* IN THE SOFTWARE.
*/
-#include <llvm/Config/llvm-config.h>
-
#include "ac_nir_to_llvm.h"
+
+#include "ac_binary.h"
#include "ac_llvm_build.h"
#include "ac_llvm_util.h"
-#include "ac_binary.h"
-#include "sid.h"
+#include "ac_shader_abi.h"
+#include "ac_shader_util.h"
#include "nir/nir.h"
#include "nir/nir_deref.h"
+#include "sid.h"
#include "util/bitscan.h"
#include "util/u_math.h"
-#include "ac_shader_abi.h"
-#include "ac_shader_util.h"
+#include <llvm/Config/llvm-config.h>
struct ac_nir_context {
- struct ac_llvm_context ac;
- struct ac_shader_abi *abi;
- const struct ac_shader_args *args;
+ struct ac_llvm_context ac;
+ struct ac_shader_abi *abi;
+ const struct ac_shader_args *args;
- gl_shader_stage stage;
- shader_info *info;
+ gl_shader_stage stage;
+ shader_info *info;
- LLVMValueRef *ssa_defs;
+ LLVMValueRef *ssa_defs;
- LLVMValueRef scratch;
- LLVMValueRef constant_data;
+ LLVMValueRef scratch;
+ LLVMValueRef constant_data;
- struct hash_table *defs;
- struct hash_table *phis;
- struct hash_table *vars;
- struct hash_table *verified_interp;
+ struct hash_table *defs;
+ struct hash_table *phis;
+ struct hash_table *vars;
+ struct hash_table *verified_interp;
- LLVMValueRef main_function;
- LLVMBasicBlockRef continue_block;
- LLVMBasicBlockRef break_block;
+ LLVMValueRef main_function;
+ LLVMBasicBlockRef continue_block;
+ LLVMBasicBlockRef break_block;
- int num_locals;
- LLVMValueRef *locals;
+ int num_locals;
+ LLVMValueRef *locals;
};
-static LLVMValueRef get_sampler_desc_index(struct ac_nir_context *ctx,
- nir_deref_instr *deref_instr,
- const nir_instr *instr,
- bool image);
-
-static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
- nir_deref_instr *deref_instr,
- enum ac_descriptor_type desc_type,
- const nir_instr *instr,
- LLVMValueRef index,
- bool image, bool write);
-
-static void
-build_store_values_extended(struct ac_llvm_context *ac,
- LLVMValueRef *values,
- unsigned value_count,
- unsigned value_stride,
- LLVMValueRef vec)
+static LLVMValueRef get_sampler_desc_index(struct ac_nir_context *ctx, nir_deref_instr *deref_instr,
+ const nir_instr *instr, bool image);
+
+static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx, nir_deref_instr *deref_instr,
+ enum ac_descriptor_type desc_type, const nir_instr *instr,
+ LLVMValueRef index, bool image, bool write);
+
+static void build_store_values_extended(struct ac_llvm_context *ac, LLVMValueRef *values,
+ unsigned value_count, unsigned value_stride,
+ LLVMValueRef vec)
{
- LLVMBuilderRef builder = ac->builder;
- unsigned i;
-
- for (i = 0; i < value_count; i++) {
- LLVMValueRef ptr = values[i * value_stride];
- LLVMValueRef index = LLVMConstInt(ac->i32, i, false);
- LLVMValueRef value = LLVMBuildExtractElement(builder, vec, index, "");
- LLVMBuildStore(builder, value, ptr);
- }
+ LLVMBuilderRef builder = ac->builder;
+ unsigned i;
+
+ for (i = 0; i < value_count; i++) {
+ LLVMValueRef ptr = values[i * value_stride];
+ LLVMValueRef index = LLVMConstInt(ac->i32, i, false);
+ LLVMValueRef value = LLVMBuildExtractElement(builder, vec, index, "");
+ LLVMBuildStore(builder, value, ptr);
+ }
}
-static LLVMTypeRef get_def_type(struct ac_nir_context *ctx,
- const nir_ssa_def *def)
+static LLVMTypeRef get_def_type(struct ac_nir_context *ctx, const nir_ssa_def *def)
{
- LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, def->bit_size);
- if (def->num_components > 1) {
- type = LLVMVectorType(type, def->num_components);
- }
- return type;
+ LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, def->bit_size);
+ if (def->num_components > 1) {
+ type = LLVMVectorType(type, def->num_components);
+ }
+ return type;
}
static LLVMValueRef get_src(struct ac_nir_context *nir, nir_src src)
{
- assert(src.is_ssa);
- return nir->ssa_defs[src.ssa->index];
+ assert(src.is_ssa);
+ return nir->ssa_defs[src.ssa->index];
}
-static LLVMValueRef
-get_memory_ptr(struct ac_nir_context *ctx, nir_src src, unsigned bit_size)
+static LLVMValueRef get_memory_ptr(struct ac_nir_context *ctx, nir_src src, unsigned bit_size)
{
- LLVMValueRef ptr = get_src(ctx, src);
- ptr = LLVMBuildGEP(ctx->ac.builder, ctx->ac.lds, &ptr, 1, "");
- int addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
+ LLVMValueRef ptr = get_src(ctx, src);
+ ptr = LLVMBuildGEP(ctx->ac.builder, ctx->ac.lds, &ptr, 1, "");
+ int addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
- LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, bit_size);
+ LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, bit_size);
- return LLVMBuildBitCast(ctx->ac.builder, ptr,
- LLVMPointerType(type, addr_space), "");
+ return LLVMBuildBitCast(ctx->ac.builder, ptr, LLVMPointerType(type, addr_space), "");
}
-static LLVMBasicBlockRef get_block(struct ac_nir_context *nir,
- const struct nir_block *b)
+static LLVMBasicBlockRef get_block(struct ac_nir_context *nir, const struct nir_block *b)
{
- struct hash_entry *entry = _mesa_hash_table_search(nir->defs, b);
- return (LLVMBasicBlockRef)entry->data;
+ struct hash_entry *entry = _mesa_hash_table_search(nir->defs, b);
+ return (LLVMBasicBlockRef)entry->data;
}
-static LLVMValueRef get_alu_src(struct ac_nir_context *ctx,
- nir_alu_src src,
+static LLVMValueRef get_alu_src(struct ac_nir_context *ctx, nir_alu_src src,
unsigned num_components)
{
- LLVMValueRef value = get_src(ctx, src.src);
- bool need_swizzle = false;
-
- assert(value);
- unsigned src_components = ac_get_llvm_num_components(value);
- for (unsigned i = 0; i < num_components; ++i) {
- assert(src.swizzle[i] < src_components);
- if (src.swizzle[i] != i)
- need_swizzle = true;
- }
-
- if (need_swizzle || num_components != src_components) {
- LLVMValueRef masks[] = {
- LLVMConstInt(ctx->ac.i32, src.swizzle[0], false),
- LLVMConstInt(ctx->ac.i32, src.swizzle[1], false),
- LLVMConstInt(ctx->ac.i32, src.swizzle[2], false),
- LLVMConstInt(ctx->ac.i32, src.swizzle[3], false)};
-
- if (src_components > 1 && num_components == 1) {
- value = LLVMBuildExtractElement(ctx->ac.builder, value,
- masks[0], "");
- } else if (src_components == 1 && num_components > 1) {
- LLVMValueRef values[] = {value, value, value, value};
- value = ac_build_gather_values(&ctx->ac, values, num_components);
- } else {
- LLVMValueRef swizzle = LLVMConstVector(masks, num_components);
- value = LLVMBuildShuffleVector(ctx->ac.builder, value, value,
- swizzle, "");
- }
- }
- assert(!src.negate);
- assert(!src.abs);
- return value;
+ LLVMValueRef value = get_src(ctx, src.src);
+ bool need_swizzle = false;
+
+ assert(value);
+ unsigned src_components = ac_get_llvm_num_components(value);
+ for (unsigned i = 0; i < num_components; ++i) {
+ assert(src.swizzle[i] < src_components);
+ if (src.swizzle[i] != i)
+ need_swizzle = true;
+ }
+
+ if (need_swizzle || num_components != src_components) {
+ LLVMValueRef masks[] = {LLVMConstInt(ctx->ac.i32, src.swizzle[0], false),
+ LLVMConstInt(ctx->ac.i32, src.swizzle[1], false),
+ LLVMConstInt(ctx->ac.i32, src.swizzle[2], false),
+ LLVMConstInt(ctx->ac.i32, src.swizzle[3], false)};
+
+ if (src_components > 1 && num_components == 1) {
+ value = LLVMBuildExtractElement(ctx->ac.builder, value, masks[0], "");
+ } else if (src_components == 1 && num_components > 1) {
+ LLVMValueRef values[] = {value, value, value, value};
+ value = ac_build_gather_values(&ctx->ac, values, num_components);
+ } else {
+ LLVMValueRef swizzle = LLVMConstVector(masks, num_components);
+ value = LLVMBuildShuffleVector(ctx->ac.builder, value, value, swizzle, "");
+ }
+ }
+ assert(!src.negate);
+ assert(!src.abs);
+ return value;
}
-static LLVMValueRef emit_int_cmp(struct ac_llvm_context *ctx,
- LLVMIntPredicate pred, LLVMValueRef src0,
- LLVMValueRef src1)
+static LLVMValueRef emit_int_cmp(struct ac_llvm_context *ctx, LLVMIntPredicate pred,
+ LLVMValueRef src0, LLVMValueRef src1)
{
- LLVMTypeRef src0_type = LLVMTypeOf(src0);
- LLVMTypeRef src1_type = LLVMTypeOf(src1);
-
- if (LLVMGetTypeKind(src0_type) == LLVMPointerTypeKind &&
- LLVMGetTypeKind(src1_type) != LLVMPointerTypeKind) {
- src1 = LLVMBuildIntToPtr(ctx->builder, src1, src0_type, "");
- } else if (LLVMGetTypeKind(src1_type) == LLVMPointerTypeKind &&
- LLVMGetTypeKind(src0_type) != LLVMPointerTypeKind) {
- src0 = LLVMBuildIntToPtr(ctx->builder, src0, src1_type, "");
- }
-
- LLVMValueRef result = LLVMBuildICmp(ctx->builder, pred, src0, src1, "");
- return LLVMBuildSelect(ctx->builder, result,
- LLVMConstInt(ctx->i32, 0xFFFFFFFF, false),
- ctx->i32_0, "");
+ LLVMTypeRef src0_type = LLVMTypeOf(src0);
+ LLVMTypeRef src1_type = LLVMTypeOf(src1);
+
+ if (LLVMGetTypeKind(src0_type) == LLVMPointerTypeKind &&
+ LLVMGetTypeKind(src1_type) != LLVMPointerTypeKind) {
+ src1 = LLVMBuildIntToPtr(ctx->builder, src1, src0_type, "");
+ } else if (LLVMGetTypeKind(src1_type) == LLVMPointerTypeKind &&
+ LLVMGetTypeKind(src0_type) != LLVMPointerTypeKind) {
+ src0 = LLVMBuildIntToPtr(ctx->builder, src0, src1_type, "");
+ }
+
+ LLVMValueRef result = LLVMBuildICmp(ctx->builder, pred, src0, src1, "");
+ return LLVMBuildSelect(ctx->builder, result, LLVMConstInt(ctx->i32, 0xFFFFFFFF, false),
+ ctx->i32_0, "");
}
-static LLVMValueRef emit_float_cmp(struct ac_llvm_context *ctx,
- LLVMRealPredicate pred, LLVMValueRef src0,
- LLVMValueRef src1)
+static LLVMValueRef emit_float_cmp(struct ac_llvm_context *ctx, LLVMRealPredicate pred,
+ LLVMValueRef src0, LLVMValueRef src1)
{
- LLVMValueRef result;
- src0 = ac_to_float(ctx, src0);
- src1 = ac_to_float(ctx, src1);
- result = LLVMBuildFCmp(ctx->builder, pred, src0, src1, "");
- return LLVMBuildSelect(ctx->builder, result,
- LLVMConstInt(ctx->i32, 0xFFFFFFFF, false),
- ctx->i32_0, "");
+ LLVMValueRef result;
+ src0 = ac_to_float(ctx, src0);
+ src1 = ac_to_float(ctx, src1);
+ result = LLVMBuildFCmp(ctx->builder, pred, src0, src1, "");
+ return LLVMBuildSelect(ctx->builder, result, LLVMConstInt(ctx->i32, 0xFFFFFFFF, false),
+ ctx->i32_0, "");
}
-static LLVMValueRef emit_intrin_1f_param(struct ac_llvm_context *ctx,
- const char *intrin,
- LLVMTypeRef result_type,
- LLVMValueRef src0)
+static LLVMValueRef emit_intrin_1f_param(struct ac_llvm_context *ctx, const char *intrin,
+ LLVMTypeRef result_type, LLVMValueRef src0)
{
- char name[64], type[64];
- LLVMValueRef params[] = {
- ac_to_float(ctx, src0),
- };
-
- ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
- ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
- assert(length < sizeof(name));
- return ac_build_intrinsic(ctx, name, result_type, params, 1, AC_FUNC_ATTR_READNONE);
+ char name[64], type[64];
+ LLVMValueRef params[] = {
+ ac_to_float(ctx, src0),
+ };
+
+ ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
+ ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
+ assert(length < sizeof(name));
+ return ac_build_intrinsic(ctx, name, result_type, params, 1, AC_FUNC_ATTR_READNONE);
}
-static LLVMValueRef emit_intrin_1f_param_scalar(struct ac_llvm_context *ctx,
- const char *intrin,
- LLVMTypeRef result_type,
- LLVMValueRef src0)
+static LLVMValueRef emit_intrin_1f_param_scalar(struct ac_llvm_context *ctx, const char *intrin,
+ LLVMTypeRef result_type, LLVMValueRef src0)
{
- if (LLVMGetTypeKind(result_type) != LLVMVectorTypeKind)
- return emit_intrin_1f_param(ctx, intrin, result_type, src0);
-
- LLVMTypeRef elem_type = LLVMGetElementType(result_type);
- LLVMValueRef ret = LLVMGetUndef(result_type);
-
- /* Scalarize the intrinsic, because vectors are not supported. */
- for (unsigned i = 0; i < LLVMGetVectorSize(result_type); i++) {
- char name[64], type[64];
- LLVMValueRef params[] = {
- ac_to_float(ctx, ac_llvm_extract_elem(ctx, src0, i)),
- };
-
- ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
- ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
- assert(length < sizeof(name));
- ret = LLVMBuildInsertElement(ctx->builder, ret,
- ac_build_intrinsic(ctx, name, elem_type, params,
- 1, AC_FUNC_ATTR_READNONE),
- LLVMConstInt(ctx->i32, i, 0), "");
- }
- return ret;
+ if (LLVMGetTypeKind(result_type) != LLVMVectorTypeKind)
+ return emit_intrin_1f_param(ctx, intrin, result_type, src0);
+
+ LLVMTypeRef elem_type = LLVMGetElementType(result_type);
+ LLVMValueRef ret = LLVMGetUndef(result_type);
+
+ /* Scalarize the intrinsic, because vectors are not supported. */
+ for (unsigned i = 0; i < LLVMGetVectorSize(result_type); i++) {
+ char name[64], type[64];
+ LLVMValueRef params[] = {
+ ac_to_float(ctx, ac_llvm_extract_elem(ctx, src0, i)),
+ };
+
+ ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
+ ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
+ assert(length < sizeof(name));
+ ret = LLVMBuildInsertElement(
+ ctx->builder, ret,
+ ac_build_intrinsic(ctx, name, elem_type, params, 1, AC_FUNC_ATTR_READNONE),
+ LLVMConstInt(ctx->i32, i, 0), "");
+ }
+ return ret;
}
-static LLVMValueRef emit_intrin_2f_param(struct ac_llvm_context *ctx,
- const char *intrin,
- LLVMTypeRef result_type,
- LLVMValueRef src0, LLVMValueRef src1)
+static LLVMValueRef emit_intrin_2f_param(struct ac_llvm_context *ctx, const char *intrin,
+ LLVMTypeRef result_type, LLVMValueRef src0,
+ LLVMValueRef src1)
{
- char name[64], type[64];
- LLVMValueRef params[] = {
- ac_to_float(ctx, src0),
- ac_to_float(ctx, src1),
- };
-
- ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
- ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
- assert(length < sizeof(name));
- return ac_build_intrinsic(ctx, name, result_type, params, 2, AC_FUNC_ATTR_READNONE);
+ char name[64], type[64];
+ LLVMValueRef params[] = {
+ ac_to_float(ctx, src0),
+ ac_to_float(ctx, src1),
+ };
+
+ ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
+ ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
+ assert(length < sizeof(name));
+ return ac_build_intrinsic(ctx, name, result_type, params, 2, AC_FUNC_ATTR_READNONE);
}
-static LLVMValueRef emit_intrin_3f_param(struct ac_llvm_context *ctx,
- const char *intrin,
- LLVMTypeRef result_type,
- LLVMValueRef src0, LLVMValueRef src1, LLVMValueRef src2)
+static LLVMValueRef emit_intrin_3f_param(struct ac_llvm_context *ctx, const char *intrin,
+ LLVMTypeRef result_type, LLVMValueRef src0,
+ LLVMValueRef src1, LLVMValueRef src2)
{
- char name[64], type[64];
- LLVMValueRef params[] = {
- ac_to_float(ctx, src0),
- ac_to_float(ctx, src1),
- ac_to_float(ctx, src2),
- };
-
- ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
- ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
- assert(length < sizeof(name));
- return ac_build_intrinsic(ctx, name, result_type, params, 3, AC_FUNC_ATTR_READNONE);
+ char name[64], type[64];
+ LLVMValueRef params[] = {
+ ac_to_float(ctx, src0),
+ ac_to_float(ctx, src1),
+ ac_to_float(ctx, src2),
+ };
+
+ ac_build_type_name_for_intr(LLVMTypeOf(params[0]), type, sizeof(type));
+ ASSERTED const int length = snprintf(name, sizeof(name), "%s.%s", intrin, type);
+ assert(length < sizeof(name));
+ return ac_build_intrinsic(ctx, name, result_type, params, 3, AC_FUNC_ATTR_READNONE);
}
-static LLVMValueRef emit_bcsel(struct ac_llvm_context *ctx,
- LLVMValueRef src0, LLVMValueRef src1, LLVMValueRef src2)
+static LLVMValueRef emit_bcsel(struct ac_llvm_context *ctx, LLVMValueRef src0, LLVMValueRef src1,
+ LLVMValueRef src2)
{
- LLVMTypeRef src1_type = LLVMTypeOf(src1);
- LLVMTypeRef src2_type = LLVMTypeOf(src2);
-
- if (LLVMGetTypeKind(src1_type) == LLVMPointerTypeKind &&
- LLVMGetTypeKind(src2_type) != LLVMPointerTypeKind) {
- src2 = LLVMBuildIntToPtr(ctx->builder, src2, src1_type, "");
- } else if (LLVMGetTypeKind(src2_type) == LLVMPointerTypeKind &&
- LLVMGetTypeKind(src1_type) != LLVMPointerTypeKind) {
- src1 = LLVMBuildIntToPtr(ctx->builder, src1, src2_type, "");
- }
-
- LLVMValueRef v = LLVMBuildICmp(ctx->builder, LLVMIntNE, src0,
- LLVMConstNull(LLVMTypeOf(src0)), "");
- return LLVMBuildSelect(ctx->builder, v,
- ac_to_integer_or_pointer(ctx, src1),
- ac_to_integer_or_pointer(ctx, src2), "");
+ LLVMTypeRef src1_type = LLVMTypeOf(src1);
+ LLVMTypeRef src2_type = LLVMTypeOf(src2);
+
+ if (LLVMGetTypeKind(src1_type) == LLVMPointerTypeKind &&
+ LLVMGetTypeKind(src2_type) != LLVMPointerTypeKind) {
+ src2 = LLVMBuildIntToPtr(ctx->builder, src2, src1_type, "");
+ } else if (LLVMGetTypeKind(src2_type) == LLVMPointerTypeKind &&
+ LLVMGetTypeKind(src1_type) != LLVMPointerTypeKind) {
+ src1 = LLVMBuildIntToPtr(ctx->builder, src1, src2_type, "");
+ }
+
+ LLVMValueRef v =
+ LLVMBuildICmp(ctx->builder, LLVMIntNE, src0, LLVMConstNull(LLVMTypeOf(src0)), "");
+ return LLVMBuildSelect(ctx->builder, v, ac_to_integer_or_pointer(ctx, src1),
+ ac_to_integer_or_pointer(ctx, src2), "");
}
-static LLVMValueRef emit_iabs(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+static LLVMValueRef emit_iabs(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- return ac_build_imax(ctx, src0, LLVMBuildNeg(ctx->builder, src0, ""));
+ return ac_build_imax(ctx, src0, LLVMBuildNeg(ctx->builder, src0, ""));
}
-static LLVMValueRef emit_uint_carry(struct ac_llvm_context *ctx,
- const char *intrin,
- LLVMValueRef src0, LLVMValueRef src1)
+static LLVMValueRef emit_uint_carry(struct ac_llvm_context *ctx, const char *intrin,
+ LLVMValueRef src0, LLVMValueRef src1)
{
- LLVMTypeRef ret_type;
- LLVMTypeRef types[] = { ctx->i32, ctx->i1 };
- LLVMValueRef res;
- LLVMValueRef params[] = { src0, src1 };
- ret_type = LLVMStructTypeInContext(ctx->context, types,
- 2, true);
-
- res = ac_build_intrinsic(ctx, intrin, ret_type,
- params, 2, AC_FUNC_ATTR_READNONE);
-
- res = LLVMBuildExtractValue(ctx->builder, res, 1, "");
- res = LLVMBuildZExt(ctx->builder, res, ctx->i32, "");
- return res;
+ LLVMTypeRef ret_type;
+ LLVMTypeRef types[] = {ctx->i32, ctx->i1};
+ LLVMValueRef res;
+ LLVMValueRef params[] = {src0, src1};
+ ret_type = LLVMStructTypeInContext(ctx->context, types, 2, true);
+
+ res = ac_build_intrinsic(ctx, intrin, ret_type, params, 2, AC_FUNC_ATTR_READNONE);
+
+ res = LLVMBuildExtractValue(ctx->builder, res, 1, "");
+ res = LLVMBuildZExt(ctx->builder, res, ctx->i32, "");
+ return res;
}
-static LLVMValueRef emit_b2f(struct ac_llvm_context *ctx,
- LLVMValueRef src0,
- unsigned bitsize)
+static LLVMValueRef emit_b2f(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize)
{
- assert(ac_get_elem_bits(ctx, LLVMTypeOf(src0)) == 32);
- LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0,
- ac_const_uint_vec(ctx, LLVMTypeOf(src0), 0x3f800000),
- "");
- result = ac_to_float(ctx, result);
-
- switch (bitsize) {
- case 16: {
- bool vec2 = LLVMGetTypeKind(LLVMTypeOf(result)) == LLVMVectorTypeKind;
- return LLVMBuildFPTrunc(ctx->builder, result, vec2 ? ctx->v2f16 : ctx->f16, "");
- }
- case 32:
- return result;
- case 64:
- return LLVMBuildFPExt(ctx->builder, result, ctx->f64, "");
- default:
- unreachable("Unsupported bit size.");
- }
+ assert(ac_get_elem_bits(ctx, LLVMTypeOf(src0)) == 32);
+ LLVMValueRef result =
+ LLVMBuildAnd(ctx->builder, src0, ac_const_uint_vec(ctx, LLVMTypeOf(src0), 0x3f800000), "");
+ result = ac_to_float(ctx, result);
+
+ switch (bitsize) {
+ case 16: {
+ bool vec2 = LLVMGetTypeKind(LLVMTypeOf(result)) == LLVMVectorTypeKind;
+ return LLVMBuildFPTrunc(ctx->builder, result, vec2 ? ctx->v2f16 : ctx->f16, "");
+ }
+ case 32:
+ return result;
+ case 64:
+ return LLVMBuildFPExt(ctx->builder, result, ctx->f64, "");
+ default:
+ unreachable("Unsupported bit size.");
+ }
}
-static LLVMValueRef emit_f2b(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+static LLVMValueRef emit_f2b(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- src0 = ac_to_float(ctx, src0);
- LLVMValueRef zero = LLVMConstNull(LLVMTypeOf(src0));
- return LLVMBuildSExt(ctx->builder,
- LLVMBuildFCmp(ctx->builder, LLVMRealUNE, src0, zero, ""),
- ctx->i32, "");
+ src0 = ac_to_float(ctx, src0);
+ LLVMValueRef zero = LLVMConstNull(LLVMTypeOf(src0));
+ return LLVMBuildSExt(ctx->builder, LLVMBuildFCmp(ctx->builder, LLVMRealUNE, src0, zero, ""),
+ ctx->i32, "");
}
-static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
- LLVMValueRef src0,
- unsigned bitsize)
+static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize)
{
- LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
-
- switch (bitsize) {
- case 8:
- return LLVMBuildTrunc(ctx->builder, result, ctx->i8, "");
- case 16:
- return LLVMBuildTrunc(ctx->builder, result, ctx->i16, "");
- case 32:
- return result;
- case 64:
- return LLVMBuildZExt(ctx->builder, result, ctx->i64, "");
- default:
- unreachable("Unsupported bit size.");
- }
+ LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
+
+ switch (bitsize) {
+ case 8:
+ return LLVMBuildTrunc(ctx->builder, result, ctx->i8, "");
+ case 16:
+ return LLVMBuildTrunc(ctx->builder, result, ctx->i16, "");
+ case 32:
+ return result;
+ case 64:
+ return LLVMBuildZExt(ctx->builder, result, ctx->i64, "");
+ default:
+ unreachable("Unsupported bit size.");
+ }
}
-static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- LLVMValueRef zero = LLVMConstNull(LLVMTypeOf(src0));
- return LLVMBuildSExt(ctx->builder,
- LLVMBuildICmp(ctx->builder, LLVMIntNE, src0, zero, ""),
- ctx->i32, "");
+ LLVMValueRef zero = LLVMConstNull(LLVMTypeOf(src0));
+ return LLVMBuildSExt(ctx->builder, LLVMBuildICmp(ctx->builder, LLVMIntNE, src0, zero, ""),
+ ctx->i32, "");
}
-static LLVMValueRef emit_f2f16(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+static LLVMValueRef emit_f2f16(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- LLVMValueRef result;
- LLVMValueRef cond = NULL;
-
- src0 = ac_to_float(ctx, src0);
- result = LLVMBuildFPTrunc(ctx->builder, src0, ctx->f16, "");
-
- if (ctx->chip_class >= GFX8) {
- LLVMValueRef args[2];
- /* Check if the result is a denormal - and flush to 0 if so. */
- args[0] = result;
- args[1] = LLVMConstInt(ctx->i32, N_SUBNORMAL | P_SUBNORMAL, false);
- cond = ac_build_intrinsic(ctx, "llvm.amdgcn.class.f16", ctx->i1, args, 2, AC_FUNC_ATTR_READNONE);
- }
-
- /* need to convert back up to f32 */
- result = LLVMBuildFPExt(ctx->builder, result, ctx->f32, "");
-
- if (ctx->chip_class >= GFX8)
- result = LLVMBuildSelect(ctx->builder, cond, ctx->f32_0, result, "");
- else {
- /* for GFX6-GFX7 */
- /* 0x38800000 is smallest half float value (2^-14) in 32-bit float,
- * so compare the result and flush to 0 if it's smaller.
- */
- LLVMValueRef temp, cond2;
- temp = emit_intrin_1f_param(ctx, "llvm.fabs", ctx->f32, result);
- cond = LLVMBuildFCmp(ctx->builder, LLVMRealOGT,
- LLVMBuildBitCast(ctx->builder, LLVMConstInt(ctx->i32, 0x38800000, false), ctx->f32, ""),
- temp, "");
- cond2 = LLVMBuildFCmp(ctx->builder, LLVMRealONE,
- temp, ctx->f32_0, "");
- cond = LLVMBuildAnd(ctx->builder, cond, cond2, "");
- result = LLVMBuildSelect(ctx->builder, cond, ctx->f32_0, result, "");
- }
- return result;
+ LLVMValueRef result;
+ LLVMValueRef cond = NULL;
+
+ src0 = ac_to_float(ctx, src0);
+ result = LLVMBuildFPTrunc(ctx->builder, src0, ctx->f16, "");
+
+ if (ctx->chip_class >= GFX8) {
+ LLVMValueRef args[2];
+ /* Check if the result is a denormal - and flush to 0 if so. */
+ args[0] = result;
+ args[1] = LLVMConstInt(ctx->i32, N_SUBNORMAL | P_SUBNORMAL, false);
+ cond =
+ ac_build_intrinsic(ctx, "llvm.amdgcn.class.f16", ctx->i1, args, 2, AC_FUNC_ATTR_READNONE);
+ }
+
+ /* need to convert back up to f32 */
+ result = LLVMBuildFPExt(ctx->builder, result, ctx->f32, "");
+
+ if (ctx->chip_class >= GFX8)
+ result = LLVMBuildSelect(ctx->builder, cond, ctx->f32_0, result, "");
+ else {
+ /* for GFX6-GFX7 */
+ /* 0x38800000 is smallest half float value (2^-14) in 32-bit float,
+ * so compare the result and flush to 0 if it's smaller.
+ */
+ LLVMValueRef temp, cond2;
+ temp = emit_intrin_1f_param(ctx, "llvm.fabs", ctx->f32, result);
+ cond = LLVMBuildFCmp(
+ ctx->builder, LLVMRealOGT,
+ LLVMBuildBitCast(ctx->builder, LLVMConstInt(ctx->i32, 0x38800000, false), ctx->f32, ""),
+ temp, "");
+ cond2 = LLVMBuildFCmp(ctx->builder, LLVMRealONE, temp, ctx->f32_0, "");
+ cond = LLVMBuildAnd(ctx->builder, cond, cond2, "");
+ result = LLVMBuildSelect(ctx->builder, cond, ctx->f32_0, result, "");
+ }
+ return result;
}
-static LLVMValueRef emit_umul_high(struct ac_llvm_context *ctx,
- LLVMValueRef src0, LLVMValueRef src1)
+static LLVMValueRef emit_umul_high(struct ac_llvm_context *ctx, LLVMValueRef src0,
+ LLVMValueRef src1)
{
- LLVMValueRef dst64, result;
- src0 = LLVMBuildZExt(ctx->builder, src0, ctx->i64, "");
- src1 = LLVMBuildZExt(ctx->builder, src1, ctx->i64, "");
-
- dst64 = LLVMBuildMul(ctx->builder, src0, src1, "");
- dst64 = LLVMBuildLShr(ctx->builder, dst64, LLVMConstInt(ctx->i64, 32, false), "");
- result = LLVMBuildTrunc(ctx->builder, dst64, ctx->i32, "");
- return result;
+ LLVMValueRef dst64, result;
+ src0 = LLVMBuildZExt(ctx->builder, src0, ctx->i64, "");
+ src1 = LLVMBuildZExt(ctx->builder, src1, ctx->i64, "");
+
+ dst64 = LLVMBuildMul(ctx->builder, src0, src1, "");
+ dst64 = LLVMBuildLShr(ctx->builder, dst64, LLVMConstInt(ctx->i64, 32, false), "");
+ result = LLVMBuildTrunc(ctx->builder, dst64, ctx->i32, "");
+ return result;
}
-static LLVMValueRef emit_imul_high(struct ac_llvm_context *ctx,
- LLVMValueRef src0, LLVMValueRef src1)
+static LLVMValueRef emit_imul_high(struct ac_llvm_context *ctx, LLVMValueRef src0,
+ LLVMValueRef src1)
{
- LLVMValueRef dst64, result;
- src0 = LLVMBuildSExt(ctx->builder, src0, ctx->i64, "");
- src1 = LLVMBuildSExt(ctx->builder, src1, ctx->i64, "");
-
- dst64 = LLVMBuildMul(ctx->builder, src0, src1, "");
- dst64 = LLVMBuildAShr(ctx->builder, dst64, LLVMConstInt(ctx->i64, 32, false), "");
- result = LLVMBuildTrunc(ctx->builder, dst64, ctx->i32, "");
- return result;
+ LLVMValueRef dst64, result;
+ src0 = LLVMBuildSExt(ctx->builder, src0, ctx->i64, "");
+ src1 = LLVMBuildSExt(ctx->builder, src1, ctx->i64, "");
+
+ dst64 = LLVMBuildMul(ctx->builder, src0, src1, "");
+ dst64 = LLVMBuildAShr(ctx->builder, dst64, LLVMConstInt(ctx->i64, 32, false), "");
+ result = LLVMBuildTrunc(ctx->builder, dst64, ctx->i32, "");
+ return result;
}
-static LLVMValueRef emit_bfm(struct ac_llvm_context *ctx,
- LLVMValueRef bits, LLVMValueRef offset)
+static LLVMValueRef emit_bfm(struct ac_llvm_context *ctx, LLVMValueRef bits, LLVMValueRef offset)
{
- /* mask = ((1 << bits) - 1) << offset */
- return LLVMBuildShl(ctx->builder,
- LLVMBuildSub(ctx->builder,
- LLVMBuildShl(ctx->builder,
- ctx->i32_1,
- bits, ""),
- ctx->i32_1, ""),
- offset, "");
+ /* mask = ((1 << bits) - 1) << offset */
+ return LLVMBuildShl(
+ ctx->builder,
+ LLVMBuildSub(ctx->builder, LLVMBuildShl(ctx->builder, ctx->i32_1, bits, ""), ctx->i32_1, ""),
+ offset, "");
}
-static LLVMValueRef emit_bitfield_select(struct ac_llvm_context *ctx,
- LLVMValueRef mask, LLVMValueRef insert,
- LLVMValueRef base)
+static LLVMValueRef emit_bitfield_select(struct ac_llvm_context *ctx, LLVMValueRef mask,
+ LLVMValueRef insert, LLVMValueRef base)
{
- /* Calculate:
- * (mask & insert) | (~mask & base) = base ^ (mask & (insert ^ base))
- * Use the right-hand side, which the LLVM backend can convert to V_BFI.
- */
- return LLVMBuildXor(ctx->builder, base,
- LLVMBuildAnd(ctx->builder, mask,
- LLVMBuildXor(ctx->builder, insert, base, ""), ""), "");
+ /* Calculate:
+ * (mask & insert) | (~mask & base) = base ^ (mask & (insert ^ base))
+ * Use the right-hand side, which the LLVM backend can convert to V_BFI.
+ */
+ return LLVMBuildXor(
+ ctx->builder, base,
+ LLVMBuildAnd(ctx->builder, mask, LLVMBuildXor(ctx->builder, insert, base, ""), ""), "");
}
-static LLVMValueRef emit_pack_2x16(struct ac_llvm_context *ctx,
- LLVMValueRef src0,
- LLVMValueRef (*pack)(struct ac_llvm_context *ctx,
- LLVMValueRef args[2]))
+static LLVMValueRef emit_pack_2x16(struct ac_llvm_context *ctx, LLVMValueRef src0,
+ LLVMValueRef (*pack)(struct ac_llvm_context *ctx,
+ LLVMValueRef args[2]))
{
- LLVMValueRef comp[2];
+ LLVMValueRef comp[2];
- src0 = ac_to_float(ctx, src0);
- comp[0] = LLVMBuildExtractElement(ctx->builder, src0, ctx->i32_0, "");
- comp[1] = LLVMBuildExtractElement(ctx->builder, src0, ctx->i32_1, "");
+ src0 = ac_to_float(ctx, src0);
+ comp[0] = LLVMBuildExtractElement(ctx->builder, src0, ctx->i32_0, "");
+ comp[1] = LLVMBuildExtractElement(ctx->builder, src0, ctx->i32_1, "");
- return LLVMBuildBitCast(ctx->builder, pack(ctx, comp), ctx->i32, "");
+ return LLVMBuildBitCast(ctx->builder, pack(ctx, comp), ctx->i32, "");
}
-static LLVMValueRef emit_unpack_half_2x16(struct ac_llvm_context *ctx,
- LLVMValueRef src0)
+static LLVMValueRef emit_unpack_half_2x16(struct ac_llvm_context *ctx, LLVMValueRef src0)
{
- LLVMValueRef const16 = LLVMConstInt(ctx->i32, 16, false);
- LLVMValueRef temps[2], val;
- int i;
-
- for (i = 0; i < 2; i++) {
- val = i == 1 ? LLVMBuildLShr(ctx->builder, src0, const16, "") : src0;
- val = LLVMBuildTrunc(ctx->builder, val, ctx->i16, "");
- val = LLVMBuildBitCast(ctx->builder, val, ctx->f16, "");
- temps[i] = LLVMBuildFPExt(ctx->builder, val, ctx->f32, "");
- }
- return ac_build_gather_values(ctx, temps, 2);
+ LLVMValueRef const16 = LLVMConstInt(ctx->i32, 16, false);
+ LLVMValueRef temps[2], val;
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ val = i == 1 ? LLVMBuildLShr(ctx->builder, src0, const16, "") : src0;
+ val = LLVMBuildTrunc(ctx->builder, val, ctx->i16, "");
+ val = LLVMBuildBitCast(ctx->builder, val, ctx->f16, "");
+ temps[i] = LLVMBuildFPExt(ctx->builder, val, ctx->f32, "");
+ }
+ return ac_build_gather_values(ctx, temps, 2);
}
-static LLVMValueRef emit_ddxy(struct ac_nir_context *ctx,
- nir_op op,
- LLVMValueRef src0)
+static LLVMValueRef emit_ddxy(struct ac_nir_context *ctx, nir_op op, LLVMValueRef src0)
{
- unsigned mask;
- int idx;
- LLVMValueRef result;
-
- if (op == nir_op_fddx_fine)
- mask = AC_TID_MASK_LEFT;
- else if (op == nir_op_fddy_fine)
- mask = AC_TID_MASK_TOP;
- else
- mask = AC_TID_MASK_TOP_LEFT;
-
- /* for DDX we want to next X pixel, DDY next Y pixel. */
- if (op == nir_op_fddx_fine ||
- op == nir_op_fddx_coarse ||
- op == nir_op_fddx)
- idx = 1;
- else
- idx = 2;
-
- result = ac_build_ddxy(&ctx->ac, mask, idx, src0);
- return result;
+ unsigned mask;
+ int idx;
+ LLVMValueRef result;
+
+ if (op == nir_op_fddx_fine)
+ mask = AC_TID_MASK_LEFT;
+ else if (op == nir_op_fddy_fine)
+ mask = AC_TID_MASK_TOP;
+ else
+ mask = AC_TID_MASK_TOP_LEFT;
+
+ /* for DDX we want to next X pixel, DDY next Y pixel. */
+ if (op == nir_op_fddx_fine || op == nir_op_fddx_coarse || op == nir_op_fddx)
+ idx = 1;
+ else
+ idx = 2;
+
+ result = ac_build_ddxy(&ctx->ac, mask, idx, src0);
+ return result;
}
struct waterfall_context {
- LLVMBasicBlockRef phi_bb[2];
- bool use_waterfall;
+ LLVMBasicBlockRef phi_bb[2];
+ bool use_waterfall;
};
/* To deal with divergent descriptors we can create a loop that handles all
*
* These helper create the begin and end of the loop leaving the caller
* to implement the body.
- *
+ *
* params:
* - ctx is the usal nir context
* - wctx is a temporary struct containing some loop info. Can be left uninitialized.
* - divergent is whether value is actually divergent. If false we just pass
* things through.
*/
-static LLVMValueRef enter_waterfall(struct ac_nir_context *ctx,
- struct waterfall_context *wctx,
- LLVMValueRef value, bool divergent)
+static LLVMValueRef enter_waterfall(struct ac_nir_context *ctx, struct waterfall_context *wctx,
+ LLVMValueRef value, bool divergent)
{
- /* If the app claims the value is divergent but it is constant we can
- * end up with a dynamic index of NULL. */
- if (!value)
- divergent = false;
+ /* If the app claims the value is divergent but it is constant we can
+ * end up with a dynamic index of NULL. */
+ if (!value)
+ divergent = false;
- wctx->use_waterfall = divergent;
- if (!divergent)
- return value;
+ wctx->use_waterfall = divergent;
+ if (!divergent)
+ return value;
- ac_build_bgnloop(&ctx->ac, 6000);
+ ac_build_bgnloop(&ctx->ac, 6000);
- LLVMValueRef scalar_value = ac_build_readlane(&ctx->ac, value, NULL);
+ LLVMValueRef scalar_value = ac_build_readlane(&ctx->ac, value, NULL);
- LLVMValueRef active = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, value,
- scalar_value, "uniform_active");
+ LLVMValueRef active =
+ LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, value, scalar_value, "uniform_active");
- wctx->phi_bb[0] = LLVMGetInsertBlock(ctx->ac.builder);
- ac_build_ifcc(&ctx->ac, active, 6001);
+ wctx->phi_bb[0] = LLVMGetInsertBlock(ctx->ac.builder);
+ ac_build_ifcc(&ctx->ac, active, 6001);
- return scalar_value;
+ return scalar_value;
}
-static LLVMValueRef exit_waterfall(struct ac_nir_context *ctx,
- struct waterfall_context *wctx,
- LLVMValueRef value)
+static LLVMValueRef exit_waterfall(struct ac_nir_context *ctx, struct waterfall_context *wctx,
+ LLVMValueRef value)
{
- LLVMValueRef ret = NULL;
- LLVMValueRef phi_src[2];
- LLVMValueRef cc_phi_src[2] = {
- LLVMConstInt(ctx->ac.i32, 0, false),
- LLVMConstInt(ctx->ac.i32, 0xffffffff, false),
- };
-
- if (!wctx->use_waterfall)
- return value;
-
- wctx->phi_bb[1] = LLVMGetInsertBlock(ctx->ac.builder);
-
- ac_build_endif(&ctx->ac, 6001);
-
- if (value) {
- phi_src[0] = LLVMGetUndef(LLVMTypeOf(value));
- phi_src[1] = value;
-
- ret = ac_build_phi(&ctx->ac, LLVMTypeOf(value), 2, phi_src, wctx->phi_bb);
- }
-
- /*
- * By using the optimization barrier on the exit decision, we decouple
- * the operations from the break, and hence avoid LLVM hoisting the
- * opteration into the break block.
- */
- LLVMValueRef cc = ac_build_phi(&ctx->ac, ctx->ac.i32, 2, cc_phi_src, wctx->phi_bb);
- ac_build_optimization_barrier(&ctx->ac, &cc);
-
- LLVMValueRef active = LLVMBuildICmp(ctx->ac.builder, LLVMIntNE, cc, ctx->ac.i32_0, "uniform_active2");
- ac_build_ifcc(&ctx->ac, active, 6002);
- ac_build_break(&ctx->ac);
- ac_build_endif(&ctx->ac, 6002);
-
- ac_build_endloop(&ctx->ac, 6000);
- return ret;
+ LLVMValueRef ret = NULL;
+ LLVMValueRef phi_src[2];
+ LLVMValueRef cc_phi_src[2] = {
+ LLVMConstInt(ctx->ac.i32, 0, false),
+ LLVMConstInt(ctx->ac.i32, 0xffffffff, false),
+ };
+
+ if (!wctx->use_waterfall)
+ return value;
+
+ wctx->phi_bb[1] = LLVMGetInsertBlock(ctx->ac.builder);
+
+ ac_build_endif(&ctx->ac, 6001);
+
+ if (value) {
+ phi_src[0] = LLVMGetUndef(LLVMTypeOf(value));
+ phi_src[1] = value;
+
+ ret = ac_build_phi(&ctx->ac, LLVMTypeOf(value), 2, phi_src, wctx->phi_bb);
+ }
+
+ /*
+ * By using the optimization barrier on the exit decision, we decouple
+ * the operations from the break, and hence avoid LLVM hoisting the
+ * opteration into the break block.
+ */
+ LLVMValueRef cc = ac_build_phi(&ctx->ac, ctx->ac.i32, 2, cc_phi_src, wctx->phi_bb);
+ ac_build_optimization_barrier(&ctx->ac, &cc);
+
+ LLVMValueRef active =
+ LLVMBuildICmp(ctx->ac.builder, LLVMIntNE, cc, ctx->ac.i32_0, "uniform_active2");
+ ac_build_ifcc(&ctx->ac, active, 6002);
+ ac_build_break(&ctx->ac);
+ ac_build_endif(&ctx->ac, 6002);
+
+ ac_build_endloop(&ctx->ac, 6000);
+ return ret;
}
static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
{
- LLVMValueRef src[4], result = NULL;
- unsigned num_components = instr->dest.dest.ssa.num_components;
- unsigned src_components;
- LLVMTypeRef def_type = get_def_type(ctx, &instr->dest.dest.ssa);
-
- assert(nir_op_infos[instr->op].num_inputs <= ARRAY_SIZE(src));
- switch (instr->op) {
- case nir_op_vec2:
- case nir_op_vec3:
- case nir_op_vec4:
- src_components = 1;
- break;
- case nir_op_pack_half_2x16:
- case nir_op_pack_snorm_2x16:
- case nir_op_pack_unorm_2x16:
- src_components = 2;
- break;
- case nir_op_unpack_half_2x16:
- src_components = 1;
- break;
- case nir_op_cube_face_coord:
- case nir_op_cube_face_index:
- src_components = 3;
- break;
- default:
- src_components = num_components;
- break;
- }
- for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
- src[i] = get_alu_src(ctx, instr->src[i], src_components);
-
- switch (instr->op) {
- case nir_op_mov:
- result = src[0];
- break;
- case nir_op_fneg:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = LLVMBuildFNeg(ctx->ac.builder, src[0], "");
- if (ctx->ac.float_mode == AC_FLOAT_MODE_DENORM_FLUSH_TO_ZERO) {
- /* fneg will be optimized by backend compiler with sign
- * bit removed via XOR. This is probably a LLVM bug.
- */
- result = ac_build_canonicalize(&ctx->ac, result,
- instr->dest.dest.ssa.bit_size);
- }
- break;
- case nir_op_ineg:
- result = LLVMBuildNeg(ctx->ac.builder, src[0], "");
- break;
- case nir_op_inot:
- result = LLVMBuildNot(ctx->ac.builder, src[0], "");
- break;
- case nir_op_iadd:
- result = LLVMBuildAdd(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_fadd:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- src[1] = ac_to_float(&ctx->ac, src[1]);
- result = LLVMBuildFAdd(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_fsub:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- src[1] = ac_to_float(&ctx->ac, src[1]);
- result = LLVMBuildFSub(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_isub:
- result = LLVMBuildSub(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_imul:
- result = LLVMBuildMul(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_imod:
- result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_umod:
- result = LLVMBuildURem(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_irem:
- result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_idiv:
- result = LLVMBuildSDiv(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_udiv:
- result = LLVMBuildUDiv(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_fmul:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- src[1] = ac_to_float(&ctx->ac, src[1]);
- result = LLVMBuildFMul(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_frcp:
- /* For doubles, we need precise division to pass GLCTS. */
- if (ctx->ac.float_mode == AC_FLOAT_MODE_DEFAULT_OPENGL &&
- ac_get_type_size(def_type) == 8) {
- result = LLVMBuildFDiv(ctx->ac.builder, ctx->ac.f64_1,
- ac_to_float(&ctx->ac, src[0]), "");
- } else {
- result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.rcp",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- }
- if (ctx->abi->clamp_div_by_zero)
- result = ac_build_fmin(&ctx->ac, result,
- LLVMConstReal(ac_to_float_type(&ctx->ac, def_type), FLT_MAX));
- break;
- case nir_op_iand:
- result = LLVMBuildAnd(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ior:
- result = LLVMBuildOr(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ixor:
- result = LLVMBuildXor(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ishl:
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) < ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildZExt(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) > ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- result = LLVMBuildShl(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ishr:
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) < ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildZExt(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) > ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- result = LLVMBuildAShr(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ushr:
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) < ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildZExt(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) > ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
- src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1],
- LLVMTypeOf(src[0]), "");
- result = LLVMBuildLShr(ctx->ac.builder, src[0], src[1], "");
- break;
- case nir_op_ilt32:
- result = emit_int_cmp(&ctx->ac, LLVMIntSLT, src[0], src[1]);
- break;
- case nir_op_ine32:
- result = emit_int_cmp(&ctx->ac, LLVMIntNE, src[0], src[1]);
- break;
- case nir_op_ieq32:
- result = emit_int_cmp(&ctx->ac, LLVMIntEQ, src[0], src[1]);
- break;
- case nir_op_ige32:
- result = emit_int_cmp(&ctx->ac, LLVMIntSGE, src[0], src[1]);
- break;
- case nir_op_ult32:
- result = emit_int_cmp(&ctx->ac, LLVMIntULT, src[0], src[1]);
- break;
- case nir_op_uge32:
- result = emit_int_cmp(&ctx->ac, LLVMIntUGE, src[0], src[1]);
- break;
- case nir_op_feq32:
- result = emit_float_cmp(&ctx->ac, LLVMRealOEQ, src[0], src[1]);
- break;
- case nir_op_fneu32:
- result = emit_float_cmp(&ctx->ac, LLVMRealUNE, src[0], src[1]);
- break;
- case nir_op_flt32:
- result = emit_float_cmp(&ctx->ac, LLVMRealOLT, src[0], src[1]);
- break;
- case nir_op_fge32:
- result = emit_float_cmp(&ctx->ac, LLVMRealOGE, src[0], src[1]);
- break;
- case nir_op_fabs:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.fabs",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- if (ctx->ac.float_mode == AC_FLOAT_MODE_DENORM_FLUSH_TO_ZERO) {
- /* fabs will be optimized by backend compiler with sign
- * bit removed via AND.
- */
- result = ac_build_canonicalize(&ctx->ac, result,
- instr->dest.dest.ssa.bit_size);
- }
- break;
- case nir_op_iabs:
- result = emit_iabs(&ctx->ac, src[0]);
- break;
- case nir_op_imax:
- result = ac_build_imax(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_imin:
- result = ac_build_imin(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_umax:
- result = ac_build_umax(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_umin:
- result = ac_build_umin(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_isign:
- result = ac_build_isign(&ctx->ac, src[0]);
- break;
- case nir_op_fsign:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = ac_build_fsign(&ctx->ac, src[0]);
- break;
- case nir_op_ffloor:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.floor",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_ftrunc:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.trunc",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fceil:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.ceil",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fround_even:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.rint",
- ac_to_float_type(&ctx->ac, def_type),src[0]);
- break;
- case nir_op_ffract:
- result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.fract",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fsin:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.sin",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fcos:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.cos",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fsqrt:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.sqrt",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_fexp2:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.exp2",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_flog2:
- result = emit_intrin_1f_param(&ctx->ac, "llvm.log2",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- break;
- case nir_op_frsq:
- result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.rsq",
- ac_to_float_type(&ctx->ac, def_type), src[0]);
- if (ctx->abi->clamp_div_by_zero)
- result = ac_build_fmin(&ctx->ac, result,
- LLVMConstReal(ac_to_float_type(&ctx->ac, def_type), FLT_MAX));
- break;
- case nir_op_frexp_exp:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = ac_build_frexp_exp(&ctx->ac, src[0],
- ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])));
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 16)
- result = LLVMBuildSExt(ctx->ac.builder, result,
- ctx->ac.i32, "");
- break;
- case nir_op_frexp_sig:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = ac_build_frexp_mant(&ctx->ac, src[0],
- instr->dest.dest.ssa.bit_size);
- break;
- case nir_op_fpow:
- result = emit_intrin_2f_param(&ctx->ac, "llvm.pow",
- ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
- break;
- case nir_op_fmax:
- result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
- ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
- if (ctx->ac.chip_class < GFX9 &&
- instr->dest.dest.ssa.bit_size == 32) {
- /* Only pre-GFX9 chips do not flush denorms. */
- result = ac_build_canonicalize(&ctx->ac, result,
- instr->dest.dest.ssa.bit_size);
- }
- break;
- case nir_op_fmin:
- result = emit_intrin_2f_param(&ctx->ac, "llvm.minnum",
- ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
- if (ctx->ac.chip_class < GFX9 &&
- instr->dest.dest.ssa.bit_size == 32) {
- /* Only pre-GFX9 chips do not flush denorms. */
- result = ac_build_canonicalize(&ctx->ac, result,
- instr->dest.dest.ssa.bit_size);
- }
- break;
- case nir_op_ffma:
- /* FMA is better on GFX10, because it has FMA units instead of MUL-ADD units. */
- result = emit_intrin_3f_param(&ctx->ac, ctx->ac.chip_class >= GFX10 ? "llvm.fma" : "llvm.fmuladd",
- ac_to_float_type(&ctx->ac, def_type), src[0], src[1], src[2]);
- break;
- case nir_op_ldexp:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- if (ac_get_elem_bits(&ctx->ac, def_type) == 32)
- result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, src, 2, AC_FUNC_ATTR_READNONE);
- else if (ac_get_elem_bits(&ctx->ac, def_type) == 16)
- result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f16", ctx->ac.f16, src, 2, AC_FUNC_ATTR_READNONE);
- else
- result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f64", ctx->ac.f64, src, 2, AC_FUNC_ATTR_READNONE);
- break;
- case nir_op_bfm:
- result = emit_bfm(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_bitfield_select:
- result = emit_bitfield_select(&ctx->ac, src[0], src[1], src[2]);
- break;
- case nir_op_ubfe:
- result = ac_build_bfe(&ctx->ac, src[0], src[1], src[2], false);
- break;
- case nir_op_ibfe:
- result = ac_build_bfe(&ctx->ac, src[0], src[1], src[2], true);
- break;
- case nir_op_bitfield_reverse:
- result = ac_build_bitfield_reverse(&ctx->ac, src[0]);
- break;
- case nir_op_bit_count:
- result = ac_build_bit_count(&ctx->ac, src[0]);
- break;
- case nir_op_vec2:
- case nir_op_vec3:
- case nir_op_vec4:
- for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
- src[i] = ac_to_integer(&ctx->ac, src[i]);
- result = ac_build_gather_values(&ctx->ac, src, num_components);
- break;
- case nir_op_f2i8:
- case nir_op_f2i16:
- case nir_op_f2i32:
- case nir_op_f2i64:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = LLVMBuildFPToSI(ctx->ac.builder, src[0], def_type, "");
- break;
- case nir_op_f2u8:
- case nir_op_f2u16:
- case nir_op_f2u32:
- case nir_op_f2u64:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- result = LLVMBuildFPToUI(ctx->ac.builder, src[0], def_type, "");
- break;
- case nir_op_i2f16:
- case nir_op_i2f32:
- case nir_op_i2f64:
- result = LLVMBuildSIToFP(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- break;
- case nir_op_u2f16:
- case nir_op_u2f32:
- case nir_op_u2f64:
- result = LLVMBuildUIToFP(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- break;
- case nir_op_f2f16_rtz:
- case nir_op_f2f16:
- case nir_op_f2fmp:
- src[0] = ac_to_float(&ctx->ac, src[0]);
-
- /* For OpenGL, we want fast packing with v_cvt_pkrtz_f16, but if we use it,
- * all f32->f16 conversions have to round towards zero, because both scalar
- * and vec2 down-conversions have to round equally.
- */
- if (ctx->ac.float_mode == AC_FLOAT_MODE_DEFAULT_OPENGL ||
- instr->op == nir_op_f2f16_rtz) {
- src[0] = ac_to_float(&ctx->ac, src[0]);
-
- if (LLVMTypeOf(src[0]) == ctx->ac.f64)
- src[0] = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ctx->ac.f32, "");
-
- /* Fast path conversion. This only works if NIR is vectorized
- * to vec2 16.
- */
- if (LLVMTypeOf(src[0]) == ctx->ac.v2f32) {
- LLVMValueRef args[] = {
- ac_llvm_extract_elem(&ctx->ac, src[0], 0),
- ac_llvm_extract_elem(&ctx->ac, src[0], 1),
- };
- result = ac_build_cvt_pkrtz_f16(&ctx->ac, args);
- break;
- }
-
- assert(ac_get_llvm_num_components(src[0]) == 1);
- LLVMValueRef param[2] = { src[0], LLVMGetUndef(ctx->ac.f32) };
- result = ac_build_cvt_pkrtz_f16(&ctx->ac, param);
- result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
- } else {
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
- result = LLVMBuildFPExt(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- else
- result = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- }
- break;
- case nir_op_f2f16_rtne:
- case nir_op_f2f32:
- case nir_op_f2f64:
- src[0] = ac_to_float(&ctx->ac, src[0]);
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
- result = LLVMBuildFPExt(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- else
- result = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
- break;
- case nir_op_u2u8:
- case nir_op_u2u16:
- case nir_op_u2ump:
- case nir_op_u2u32:
- case nir_op_u2u64:
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
- result = LLVMBuildZExt(ctx->ac.builder, src[0], def_type, "");
- else
- result = LLVMBuildTrunc(ctx->ac.builder, src[0], def_type, "");
- break;
- case nir_op_i2i8:
- case nir_op_i2i16:
- case nir_op_i2imp:
- case nir_op_i2i32:
- case nir_op_i2i64:
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
- result = LLVMBuildSExt(ctx->ac.builder, src[0], def_type, "");
- else
- result = LLVMBuildTrunc(ctx->ac.builder, src[0], def_type, "");
- break;
- case nir_op_b32csel:
- result = emit_bcsel(&ctx->ac, src[0], src[1], src[2]);
- break;
- case nir_op_find_lsb:
- result = ac_find_lsb(&ctx->ac, ctx->ac.i32, src[0]);
- break;
- case nir_op_ufind_msb:
- result = ac_build_umsb(&ctx->ac, src[0], ctx->ac.i32);
- break;
- case nir_op_ifind_msb:
- result = ac_build_imsb(&ctx->ac, src[0], ctx->ac.i32);
- break;
- case nir_op_uadd_carry:
- result = emit_uint_carry(&ctx->ac, "llvm.uadd.with.overflow.i32", src[0], src[1]);
- break;
- case nir_op_usub_borrow:
- result = emit_uint_carry(&ctx->ac, "llvm.usub.with.overflow.i32", src[0], src[1]);
- break;
- case nir_op_b2f16:
- case nir_op_b2f32:
- case nir_op_b2f64:
- result = emit_b2f(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
- break;
- case nir_op_f2b32:
- result = emit_f2b(&ctx->ac, src[0]);
- break;
- case nir_op_b2i8:
- case nir_op_b2i16:
- case nir_op_b2i32:
- case nir_op_b2i64:
- result = emit_b2i(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
- break;
- case nir_op_i2b32:
- result = emit_i2b(&ctx->ac, src[0]);
- break;
- case nir_op_fquantize2f16:
- result = emit_f2f16(&ctx->ac, src[0]);
- break;
- case nir_op_umul_high:
- result = emit_umul_high(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_imul_high:
- result = emit_imul_high(&ctx->ac, src[0], src[1]);
- break;
- case nir_op_pack_half_2x16:
- result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pkrtz_f16);
- break;
- case nir_op_pack_snorm_2x16:
- result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pknorm_i16);
- break;
- case nir_op_pack_unorm_2x16:
- result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pknorm_u16);
- break;
- case nir_op_unpack_half_2x16:
- result = emit_unpack_half_2x16(&ctx->ac, src[0]);
- break;
- case nir_op_fddx:
- case nir_op_fddy:
- case nir_op_fddx_fine:
- case nir_op_fddy_fine:
- case nir_op_fddx_coarse:
- case nir_op_fddy_coarse:
- result = emit_ddxy(ctx, instr->op, src[0]);
- break;
-
- case nir_op_unpack_64_2x32_split_x: {
- assert(ac_get_llvm_num_components(src[0]) == 1);
- LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
- ctx->ac.v2i32,
- "");
- result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
- ctx->ac.i32_0, "");
- break;
- }
-
- case nir_op_unpack_64_2x32_split_y: {
- assert(ac_get_llvm_num_components(src[0]) == 1);
- LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
- ctx->ac.v2i32,
- "");
- result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
- ctx->ac.i32_1, "");
- break;
- }
-
- case nir_op_pack_64_2x32_split: {
- LLVMValueRef tmp = ac_build_gather_values(&ctx->ac, src, 2);
- result = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->ac.i64, "");
- break;
- }
-
- case nir_op_pack_32_2x16_split: {
- LLVMValueRef tmp = ac_build_gather_values(&ctx->ac, src, 2);
- result = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->ac.i32, "");
- break;
- }
-
- case nir_op_unpack_32_2x16_split_x: {
- LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
- ctx->ac.v2i16,
- "");
- result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
- ctx->ac.i32_0, "");
- break;
- }
-
- case nir_op_unpack_32_2x16_split_y: {
- LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0],
- ctx->ac.v2i16,
- "");
- result = LLVMBuildExtractElement(ctx->ac.builder, tmp,
- ctx->ac.i32_1, "");
- break;
- }
-
- case nir_op_cube_face_coord: {
- src[0] = ac_to_float(&ctx->ac, src[0]);
- LLVMValueRef results[2];
- LLVMValueRef in[3];
- for (unsigned chan = 0; chan < 3; chan++)
- in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan);
- results[0] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubesc",
- ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE);
- results[1] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubetc",
- ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE);
- LLVMValueRef ma = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubema",
- ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE);
- results[0] = ac_build_fdiv(&ctx->ac, results[0], ma);
- results[1] = ac_build_fdiv(&ctx->ac, results[1], ma);
- LLVMValueRef offset = LLVMConstReal(ctx->ac.f32, 0.5);
- results[0] = LLVMBuildFAdd(ctx->ac.builder, results[0], offset, "");
- results[1] = LLVMBuildFAdd(ctx->ac.builder, results[1], offset, "");
- result = ac_build_gather_values(&ctx->ac, results, 2);
- break;
- }
-
- case nir_op_cube_face_index: {
- src[0] = ac_to_float(&ctx->ac, src[0]);
- LLVMValueRef in[3];
- for (unsigned chan = 0; chan < 3; chan++)
- in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan);
- result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubeid",
- ctx->ac.f32, in, 3, AC_FUNC_ATTR_READNONE);
- break;
- }
-
- default:
- fprintf(stderr, "Unknown NIR alu instr: ");
- nir_print_instr(&instr->instr, stderr);
- fprintf(stderr, "\n");
- abort();
- }
-
- if (result) {
- assert(instr->dest.dest.is_ssa);
- result = ac_to_integer_or_pointer(&ctx->ac, result);
- ctx->ssa_defs[instr->dest.dest.ssa.index] = result;
- }
+ LLVMValueRef src[4], result = NULL;
+ unsigned num_components = instr->dest.dest.ssa.num_components;
+ unsigned src_components;
+ LLVMTypeRef def_type = get_def_type(ctx, &instr->dest.dest.ssa);
+
+ assert(nir_op_infos[instr->op].num_inputs <= ARRAY_SIZE(src));
+ switch (instr->op) {
+ case nir_op_vec2:
+ case nir_op_vec3:
+ case nir_op_vec4:
+ src_components = 1;
+ break;
+ case nir_op_pack_half_2x16:
+ case nir_op_pack_snorm_2x16:
+ case nir_op_pack_unorm_2x16:
+ src_components = 2;
+ break;
+ case nir_op_unpack_half_2x16:
+ src_components = 1;
+ break;
+ case nir_op_cube_face_coord:
+ case nir_op_cube_face_index:
+ src_components = 3;
+ break;
+ default:
+ src_components = num_components;
+ break;
+ }
+ for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
+ src[i] = get_alu_src(ctx, instr->src[i], src_components);
+
+ switch (instr->op) {
+ case nir_op_mov:
+ result = src[0];
+ break;
+ case nir_op_fneg:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = LLVMBuildFNeg(ctx->ac.builder, src[0], "");
+ if (ctx->ac.float_mode == AC_FLOAT_MODE_DENORM_FLUSH_TO_ZERO) {
+ /* fneg will be optimized by backend compiler with sign
+ * bit removed via XOR. This is probably a LLVM bug.
+ */
+ result = ac_build_canonicalize(&ctx->ac, result, instr->dest.dest.ssa.bit_size);
+ }
+ break;
+ case nir_op_ineg:
+ result = LLVMBuildNeg(ctx->ac.builder, src[0], "");
+ break;
+ case nir_op_inot:
+ result = LLVMBuildNot(ctx->ac.builder, src[0], "");
+ break;
+ case nir_op_iadd:
+ result = LLVMBuildAdd(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_fadd:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ src[1] = ac_to_float(&ctx->ac, src[1]);
+ result = LLVMBuildFAdd(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_fsub:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ src[1] = ac_to_float(&ctx->ac, src[1]);
+ result = LLVMBuildFSub(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_isub:
+ result = LLVMBuildSub(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_imul:
+ result = LLVMBuildMul(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_imod:
+ result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_umod:
+ result = LLVMBuildURem(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_irem:
+ result = LLVMBuildSRem(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_idiv:
+ result = LLVMBuildSDiv(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_udiv:
+ result = LLVMBuildUDiv(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_fmul:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ src[1] = ac_to_float(&ctx->ac, src[1]);
+ result = LLVMBuildFMul(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_frcp:
+ /* For doubles, we need precise division to pass GLCTS. */
+ if (ctx->ac.float_mode == AC_FLOAT_MODE_DEFAULT_OPENGL && ac_get_type_size(def_type) == 8) {
+ result = LLVMBuildFDiv(ctx->ac.builder, ctx->ac.f64_1, ac_to_float(&ctx->ac, src[0]), "");
+ } else {
+ result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.rcp",
+ ac_to_float_type(&ctx->ac, def_type), src[0]);
+ }
+ if (ctx->abi->clamp_div_by_zero)
+ result = ac_build_fmin(&ctx->ac, result,
+ LLVMConstReal(ac_to_float_type(&ctx->ac, def_type), FLT_MAX));
+ break;
+ case nir_op_iand:
+ result = LLVMBuildAnd(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ior:
+ result = LLVMBuildOr(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ixor:
+ result = LLVMBuildXor(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ishl:
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) <
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildZExt(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) >
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ result = LLVMBuildShl(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ishr:
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) <
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildZExt(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) >
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ result = LLVMBuildAShr(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ushr:
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) <
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildZExt(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ else if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[1])) >
+ ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])))
+ src[1] = LLVMBuildTrunc(ctx->ac.builder, src[1], LLVMTypeOf(src[0]), "");
+ result = LLVMBuildLShr(ctx->ac.builder, src[0], src[1], "");
+ break;
+ case nir_op_ilt32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntSLT, src[0], src[1]);
+ break;
+ case nir_op_ine32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntNE, src[0], src[1]);
+ break;
+ case nir_op_ieq32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntEQ, src[0], src[1]);
+ break;
+ case nir_op_ige32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntSGE, src[0], src[1]);
+ break;
+ case nir_op_ult32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntULT, src[0], src[1]);
+ break;
+ case nir_op_uge32:
+ result = emit_int_cmp(&ctx->ac, LLVMIntUGE, src[0], src[1]);
+ break;
+ case nir_op_feq32:
+ result = emit_float_cmp(&ctx->ac, LLVMRealOEQ, src[0], src[1]);
+ break;
+ case nir_op_fneu32:
+ result = emit_float_cmp(&ctx->ac, LLVMRealUNE, src[0], src[1]);
+ break;
+ case nir_op_flt32:
+ result = emit_float_cmp(&ctx->ac, LLVMRealOLT, src[0], src[1]);
+ break;
+ case nir_op_fge32:
+ result = emit_float_cmp(&ctx->ac, LLVMRealOGE, src[0], src[1]);
+ break;
+ case nir_op_fabs:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.fabs", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ if (ctx->ac.float_mode == AC_FLOAT_MODE_DENORM_FLUSH_TO_ZERO) {
+ /* fabs will be optimized by backend compiler with sign
+ * bit removed via AND.
+ */
+ result = ac_build_canonicalize(&ctx->ac, result, instr->dest.dest.ssa.bit_size);
+ }
+ break;
+ case nir_op_iabs:
+ result = emit_iabs(&ctx->ac, src[0]);
+ break;
+ case nir_op_imax:
+ result = ac_build_imax(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_imin:
+ result = ac_build_imin(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_umax:
+ result = ac_build_umax(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_umin:
+ result = ac_build_umin(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_isign:
+ result = ac_build_isign(&ctx->ac, src[0]);
+ break;
+ case nir_op_fsign:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = ac_build_fsign(&ctx->ac, src[0]);
+ break;
+ case nir_op_ffloor:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.floor", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_ftrunc:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.trunc", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fceil:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.ceil", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fround_even:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.rint", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_ffract:
+ result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.fract",
+ ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fsin:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.sin", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fcos:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.cos", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fsqrt:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.sqrt", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_fexp2:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.exp2", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_flog2:
+ result =
+ emit_intrin_1f_param(&ctx->ac, "llvm.log2", ac_to_float_type(&ctx->ac, def_type), src[0]);
+ break;
+ case nir_op_frsq:
+ result = emit_intrin_1f_param_scalar(&ctx->ac, "llvm.amdgcn.rsq",
+ ac_to_float_type(&ctx->ac, def_type), src[0]);
+ if (ctx->abi->clamp_div_by_zero)
+ result = ac_build_fmin(&ctx->ac, result,
+ LLVMConstReal(ac_to_float_type(&ctx->ac, def_type), FLT_MAX));
+ break;
+ case nir_op_frexp_exp:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = ac_build_frexp_exp(&ctx->ac, src[0], ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])));
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 16)
+ result = LLVMBuildSExt(ctx->ac.builder, result, ctx->ac.i32, "");
+ break;
+ case nir_op_frexp_sig:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = ac_build_frexp_mant(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
+ break;
+ case nir_op_fpow:
+ result = emit_intrin_2f_param(&ctx->ac, "llvm.pow", ac_to_float_type(&ctx->ac, def_type),
+ src[0], src[1]);
+ break;
+ case nir_op_fmax:
+ result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum", ac_to_float_type(&ctx->ac, def_type),
+ src[0], src[1]);
+ if (ctx->ac.chip_class < GFX9 && instr->dest.dest.ssa.bit_size == 32) {
+ /* Only pre-GFX9 chips do not flush denorms. */
+ result = ac_build_canonicalize(&ctx->ac, result, instr->dest.dest.ssa.bit_size);
+ }
+ break;
+ case nir_op_fmin:
+ result = emit_intrin_2f_param(&ctx->ac, "llvm.minnum", ac_to_float_type(&ctx->ac, def_type),
+ src[0], src[1]);
+ if (ctx->ac.chip_class < GFX9 && instr->dest.dest.ssa.bit_size == 32) {
+ /* Only pre-GFX9 chips do not flush denorms. */
+ result = ac_build_canonicalize(&ctx->ac, result, instr->dest.dest.ssa.bit_size);
+ }
+ break;
+ case nir_op_ffma:
+ /* FMA is better on GFX10, because it has FMA units instead of MUL-ADD units. */
+ result =
+ emit_intrin_3f_param(&ctx->ac, ctx->ac.chip_class >= GFX10 ? "llvm.fma" : "llvm.fmuladd",
+ ac_to_float_type(&ctx->ac, def_type), src[0], src[1], src[2]);
+ break;
+ case nir_op_ldexp:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ if (ac_get_elem_bits(&ctx->ac, def_type) == 32)
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, src, 2,
+ AC_FUNC_ATTR_READNONE);
+ else if (ac_get_elem_bits(&ctx->ac, def_type) == 16)
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f16", ctx->ac.f16, src, 2,
+ AC_FUNC_ATTR_READNONE);
+ else
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f64", ctx->ac.f64, src, 2,
+ AC_FUNC_ATTR_READNONE);
+ break;
+ case nir_op_bfm:
+ result = emit_bfm(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_bitfield_select:
+ result = emit_bitfield_select(&ctx->ac, src[0], src[1], src[2]);
+ break;
+ case nir_op_ubfe:
+ result = ac_build_bfe(&ctx->ac, src[0], src[1], src[2], false);
+ break;
+ case nir_op_ibfe:
+ result = ac_build_bfe(&ctx->ac, src[0], src[1], src[2], true);
+ break;
+ case nir_op_bitfield_reverse:
+ result = ac_build_bitfield_reverse(&ctx->ac, src[0]);
+ break;
+ case nir_op_bit_count:
+ result = ac_build_bit_count(&ctx->ac, src[0]);
+ break;
+ case nir_op_vec2:
+ case nir_op_vec3:
+ case nir_op_vec4:
+ for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
+ src[i] = ac_to_integer(&ctx->ac, src[i]);
+ result = ac_build_gather_values(&ctx->ac, src, num_components);
+ break;
+ case nir_op_f2i8:
+ case nir_op_f2i16:
+ case nir_op_f2i32:
+ case nir_op_f2i64:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = LLVMBuildFPToSI(ctx->ac.builder, src[0], def_type, "");
+ break;
+ case nir_op_f2u8:
+ case nir_op_f2u16:
+ case nir_op_f2u32:
+ case nir_op_f2u64:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = LLVMBuildFPToUI(ctx->ac.builder, src[0], def_type, "");
+ break;
+ case nir_op_i2f16:
+ case nir_op_i2f32:
+ case nir_op_i2f64:
+ result = LLVMBuildSIToFP(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ break;
+ case nir_op_u2f16:
+ case nir_op_u2f32:
+ case nir_op_u2f64:
+ result = LLVMBuildUIToFP(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ break;
+ case nir_op_f2f16_rtz:
+ case nir_op_f2f16:
+ case nir_op_f2fmp:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+
+ /* For OpenGL, we want fast packing with v_cvt_pkrtz_f16, but if we use it,
+ * all f32->f16 conversions have to round towards zero, because both scalar
+ * and vec2 down-conversions have to round equally.
+ */
+ if (ctx->ac.float_mode == AC_FLOAT_MODE_DEFAULT_OPENGL || instr->op == nir_op_f2f16_rtz) {
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+
+ if (LLVMTypeOf(src[0]) == ctx->ac.f64)
+ src[0] = LLVMBuildFPTrunc(ctx->ac.builder, src[0], ctx->ac.f32, "");
+
+ /* Fast path conversion. This only works if NIR is vectorized
+ * to vec2 16.
+ */
+ if (LLVMTypeOf(src[0]) == ctx->ac.v2f32) {
+ LLVMValueRef args[] = {
+ ac_llvm_extract_elem(&ctx->ac, src[0], 0),
+ ac_llvm_extract_elem(&ctx->ac, src[0], 1),
+ };
+ result = ac_build_cvt_pkrtz_f16(&ctx->ac, args);
+ break;
+ }
+
+ assert(ac_get_llvm_num_components(src[0]) == 1);
+ LLVMValueRef param[2] = {src[0], LLVMGetUndef(ctx->ac.f32)};
+ result = ac_build_cvt_pkrtz_f16(&ctx->ac, param);
+ result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
+ } else {
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
+ result =
+ LLVMBuildFPExt(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ else
+ result =
+ LLVMBuildFPTrunc(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ }
+ break;
+ case nir_op_f2f16_rtne:
+ case nir_op_f2f32:
+ case nir_op_f2f64:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
+ result = LLVMBuildFPExt(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ else
+ result =
+ LLVMBuildFPTrunc(ctx->ac.builder, src[0], ac_to_float_type(&ctx->ac, def_type), "");
+ break;
+ case nir_op_u2u8:
+ case nir_op_u2u16:
+ case nir_op_u2ump:
+ case nir_op_u2u32:
+ case nir_op_u2u64:
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
+ result = LLVMBuildZExt(ctx->ac.builder, src[0], def_type, "");
+ else
+ result = LLVMBuildTrunc(ctx->ac.builder, src[0], def_type, "");
+ break;
+ case nir_op_i2i8:
+ case nir_op_i2i16:
+ case nir_op_i2imp:
+ case nir_op_i2i32:
+ case nir_op_i2i64:
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) < ac_get_elem_bits(&ctx->ac, def_type))
+ result = LLVMBuildSExt(ctx->ac.builder, src[0], def_type, "");
+ else
+ result = LLVMBuildTrunc(ctx->ac.builder, src[0], def_type, "");
+ break;
+ case nir_op_b32csel:
+ result = emit_bcsel(&ctx->ac, src[0], src[1], src[2]);
+ break;
+ case nir_op_find_lsb:
+ result = ac_find_lsb(&ctx->ac, ctx->ac.i32, src[0]);
+ break;
+ case nir_op_ufind_msb:
+ result = ac_build_umsb(&ctx->ac, src[0], ctx->ac.i32);
+ break;
+ case nir_op_ifind_msb:
+ result = ac_build_imsb(&ctx->ac, src[0], ctx->ac.i32);
+ break;
+ case nir_op_uadd_carry:
+ result = emit_uint_carry(&ctx->ac, "llvm.uadd.with.overflow.i32", src[0], src[1]);
+ break;
+ case nir_op_usub_borrow:
+ result = emit_uint_carry(&ctx->ac, "llvm.usub.with.overflow.i32", src[0], src[1]);
+ break;
+ case nir_op_b2f16:
+ case nir_op_b2f32:
+ case nir_op_b2f64:
+ result = emit_b2f(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
+ break;
+ case nir_op_f2b32:
+ result = emit_f2b(&ctx->ac, src[0]);
+ break;
+ case nir_op_b2i8:
+ case nir_op_b2i16:
+ case nir_op_b2i32:
+ case nir_op_b2i64:
+ result = emit_b2i(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
+ break;
+ case nir_op_i2b32:
+ result = emit_i2b(&ctx->ac, src[0]);
+ break;
+ case nir_op_fquantize2f16:
+ result = emit_f2f16(&ctx->ac, src[0]);
+ break;
+ case nir_op_umul_high:
+ result = emit_umul_high(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_imul_high:
+ result = emit_imul_high(&ctx->ac, src[0], src[1]);
+ break;
+ case nir_op_pack_half_2x16:
+ result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pkrtz_f16);
+ break;
+ case nir_op_pack_snorm_2x16:
+ result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pknorm_i16);
+ break;
+ case nir_op_pack_unorm_2x16:
+ result = emit_pack_2x16(&ctx->ac, src[0], ac_build_cvt_pknorm_u16);
+ break;
+ case nir_op_unpack_half_2x16:
+ result = emit_unpack_half_2x16(&ctx->ac, src[0]);
+ break;
+ case nir_op_fddx:
+ case nir_op_fddy:
+ case nir_op_fddx_fine:
+ case nir_op_fddy_fine:
+ case nir_op_fddx_coarse:
+ case nir_op_fddy_coarse:
+ result = emit_ddxy(ctx, instr->op, src[0]);
+ break;
+
+ case nir_op_unpack_64_2x32_split_x: {
+ assert(ac_get_llvm_num_components(src[0]) == 1);
+ LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0], ctx->ac.v2i32, "");
+ result = LLVMBuildExtractElement(ctx->ac.builder, tmp, ctx->ac.i32_0, "");
+ break;
+ }
+
+ case nir_op_unpack_64_2x32_split_y: {
+ assert(ac_get_llvm_num_components(src[0]) == 1);
+ LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0], ctx->ac.v2i32, "");
+ result = LLVMBuildExtractElement(ctx->ac.builder, tmp, ctx->ac.i32_1, "");
+ break;
+ }
+
+ case nir_op_pack_64_2x32_split: {
+ LLVMValueRef tmp = ac_build_gather_values(&ctx->ac, src, 2);
+ result = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->ac.i64, "");
+ break;
+ }
+
+ case nir_op_pack_32_2x16_split: {
+ LLVMValueRef tmp = ac_build_gather_values(&ctx->ac, src, 2);
+ result = LLVMBuildBitCast(ctx->ac.builder, tmp, ctx->ac.i32, "");
+ break;
+ }
+
+ case nir_op_unpack_32_2x16_split_x: {
+ LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0], ctx->ac.v2i16, "");
+ result = LLVMBuildExtractElement(ctx->ac.builder, tmp, ctx->ac.i32_0, "");
+ break;
+ }
+
+ case nir_op_unpack_32_2x16_split_y: {
+ LLVMValueRef tmp = LLVMBuildBitCast(ctx->ac.builder, src[0], ctx->ac.v2i16, "");
+ result = LLVMBuildExtractElement(ctx->ac.builder, tmp, ctx->ac.i32_1, "");
+ break;
+ }
+
+ case nir_op_cube_face_coord: {
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ LLVMValueRef results[2];
+ LLVMValueRef in[3];
+ for (unsigned chan = 0; chan < 3; chan++)
+ in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan);
+ results[0] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubesc", ctx->ac.f32, in, 3,
+ AC_FUNC_ATTR_READNONE);
+ results[1] = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubetc", ctx->ac.f32, in, 3,
+ AC_FUNC_ATTR_READNONE);
+ LLVMValueRef ma = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubema", ctx->ac.f32, in, 3,
+ AC_FUNC_ATTR_READNONE);
+ results[0] = ac_build_fdiv(&ctx->ac, results[0], ma);
+ results[1] = ac_build_fdiv(&ctx->ac, results[1], ma);
+ LLVMValueRef offset = LLVMConstReal(ctx->ac.f32, 0.5);
+ results[0] = LLVMBuildFAdd(ctx->ac.builder, results[0], offset, "");
+ results[1] = LLVMBuildFAdd(ctx->ac.builder, results[1], offset, "");
+ result = ac_build_gather_values(&ctx->ac, results, 2);
+ break;
+ }
+
+ case nir_op_cube_face_index: {
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ LLVMValueRef in[3];
+ for (unsigned chan = 0; chan < 3; chan++)
+ in[chan] = ac_llvm_extract_elem(&ctx->ac, src[0], chan);
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.cubeid", ctx->ac.f32, in, 3,
+ AC_FUNC_ATTR_READNONE);
+ break;
+ }
+
+ default:
+ fprintf(stderr, "Unknown NIR alu instr: ");
+ nir_print_instr(&instr->instr, stderr);
+ fprintf(stderr, "\n");
+ abort();
+ }
+
+ if (result) {
+ assert(instr->dest.dest.is_ssa);
+ result = ac_to_integer_or_pointer(&ctx->ac, result);
+ ctx->ssa_defs[instr->dest.dest.ssa.index] = result;
+ }
}
-static void visit_load_const(struct ac_nir_context *ctx,
- const nir_load_const_instr *instr)
+static void visit_load_const(struct ac_nir_context *ctx, const nir_load_const_instr *instr)
{
- LLVMValueRef values[4], value = NULL;
- LLVMTypeRef element_type =
- LLVMIntTypeInContext(ctx->ac.context, instr->def.bit_size);
-
- for (unsigned i = 0; i < instr->def.num_components; ++i) {
- switch (instr->def.bit_size) {
- case 8:
- values[i] = LLVMConstInt(element_type,
- instr->value[i].u8, false);
- break;
- case 16:
- values[i] = LLVMConstInt(element_type,
- instr->value[i].u16, false);
- break;
- case 32:
- values[i] = LLVMConstInt(element_type,
- instr->value[i].u32, false);
- break;
- case 64:
- values[i] = LLVMConstInt(element_type,
- instr->value[i].u64, false);
- break;
- default:
- fprintf(stderr,
- "unsupported nir load_const bit_size: %d\n",
- instr->def.bit_size);
- abort();
- }
- }
- if (instr->def.num_components > 1) {
- value = LLVMConstVector(values, instr->def.num_components);
- } else
- value = values[0];
-
- ctx->ssa_defs[instr->def.index] = value;
+ LLVMValueRef values[4], value = NULL;
+ LLVMTypeRef element_type = LLVMIntTypeInContext(ctx->ac.context, instr->def.bit_size);
+
+ for (unsigned i = 0; i < instr->def.num_components; ++i) {
+ switch (instr->def.bit_size) {
+ case 8:
+ values[i] = LLVMConstInt(element_type, instr->value[i].u8, false);
+ break;
+ case 16:
+ values[i] = LLVMConstInt(element_type, instr->value[i].u16, false);
+ break;
+ case 32:
+ values[i] = LLVMConstInt(element_type, instr->value[i].u32, false);
+ break;
+ case 64:
+ values[i] = LLVMConstInt(element_type, instr->value[i].u64, false);
+ break;
+ default:
+ fprintf(stderr, "unsupported nir load_const bit_size: %d\n", instr->def.bit_size);
+ abort();
+ }
+ }
+ if (instr->def.num_components > 1) {
+ value = LLVMConstVector(values, instr->def.num_components);
+ } else
+ value = values[0];
+
+ ctx->ssa_defs[instr->def.index] = value;
}
-static LLVMValueRef
-get_buffer_size(struct ac_nir_context *ctx, LLVMValueRef descriptor, bool in_elements)
+static LLVMValueRef get_buffer_size(struct ac_nir_context *ctx, LLVMValueRef descriptor,
+ bool in_elements)
{
- LLVMValueRef size =
- LLVMBuildExtractElement(ctx->ac.builder, descriptor,
- LLVMConstInt(ctx->ac.i32, 2, false), "");
-
- /* GFX8 only */
- if (ctx->ac.chip_class == GFX8 && in_elements) {
- /* On GFX8, the descriptor contains the size in bytes,
- * but TXQ must return the size in elements.
- * The stride is always non-zero for resources using TXQ.
- */
- LLVMValueRef stride =
- LLVMBuildExtractElement(ctx->ac.builder, descriptor,
- ctx->ac.i32_1, "");
- stride = LLVMBuildLShr(ctx->ac.builder, stride,
- LLVMConstInt(ctx->ac.i32, 16, false), "");
- stride = LLVMBuildAnd(ctx->ac.builder, stride,
- LLVMConstInt(ctx->ac.i32, 0x3fff, false), "");
-
- size = LLVMBuildUDiv(ctx->ac.builder, size, stride, "");
- }
- return size;
+ LLVMValueRef size =
+ LLVMBuildExtractElement(ctx->ac.builder, descriptor, LLVMConstInt(ctx->ac.i32, 2, false), "");
+
+ /* GFX8 only */
+ if (ctx->ac.chip_class == GFX8 && in_elements) {
+ /* On GFX8, the descriptor contains the size in bytes,
+ * but TXQ must return the size in elements.
+ * The stride is always non-zero for resources using TXQ.
+ */
+ LLVMValueRef stride = LLVMBuildExtractElement(ctx->ac.builder, descriptor, ctx->ac.i32_1, "");
+ stride = LLVMBuildLShr(ctx->ac.builder, stride, LLVMConstInt(ctx->ac.i32, 16, false), "");
+ stride = LLVMBuildAnd(ctx->ac.builder, stride, LLVMConstInt(ctx->ac.i32, 0x3fff, false), "");
+
+ size = LLVMBuildUDiv(ctx->ac.builder, size, stride, "");
+ }
+ return size;
}
/* Gather4 should follow the same rules as bilinear filtering, but the hardware
* runtime. In this case, return an i1 value that indicates whether the
* descriptor was overridden (and hence a fixup of the sampler result is needed).
*/
-static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx,
- nir_variable *var,
- struct ac_image_args *args,
- const nir_tex_instr *instr)
+static LLVMValueRef lower_gather4_integer(struct ac_llvm_context *ctx, nir_variable *var,
+ struct ac_image_args *args, const nir_tex_instr *instr)
{
- const struct glsl_type *type = glsl_without_array(var->type);
- enum glsl_base_type stype = glsl_get_sampler_result_type(type);
- LLVMValueRef wa_8888 = NULL;
- LLVMValueRef half_texel[2];
- LLVMValueRef result;
-
- assert(stype == GLSL_TYPE_INT || stype == GLSL_TYPE_UINT);
-
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
- LLVMValueRef formats;
- LLVMValueRef data_format;
- LLVMValueRef wa_formats;
-
- formats = LLVMBuildExtractElement(ctx->builder, args->resource, ctx->i32_1, "");
-
- data_format = LLVMBuildLShr(ctx->builder, formats,
- LLVMConstInt(ctx->i32, 20, false), "");
- data_format = LLVMBuildAnd(ctx->builder, data_format,
- LLVMConstInt(ctx->i32, (1u << 6) - 1, false), "");
- wa_8888 = LLVMBuildICmp(
- ctx->builder, LLVMIntEQ, data_format,
- LLVMConstInt(ctx->i32, V_008F14_IMG_DATA_FORMAT_8_8_8_8, false),
- "");
-
- uint32_t wa_num_format =
- stype == GLSL_TYPE_UINT ?
- S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_USCALED) :
- S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_SSCALED);
- wa_formats = LLVMBuildAnd(ctx->builder, formats,
- LLVMConstInt(ctx->i32, C_008F14_NUM_FORMAT, false),
- "");
- wa_formats = LLVMBuildOr(ctx->builder, wa_formats,
- LLVMConstInt(ctx->i32, wa_num_format, false), "");
-
- formats = LLVMBuildSelect(ctx->builder, wa_8888, wa_formats, formats, "");
- args->resource = LLVMBuildInsertElement(
- ctx->builder, args->resource, formats, ctx->i32_1, "");
- }
-
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
- assert(!wa_8888);
- half_texel[0] = half_texel[1] = LLVMConstReal(ctx->f32, -0.5);
- } else {
- struct ac_image_args resinfo = {};
- LLVMBasicBlockRef bbs[2];
-
- LLVMValueRef unnorm = NULL;
- LLVMValueRef default_offset = ctx->f32_0;
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_2D &&
- !instr->is_array) {
- /* In vulkan, whether the sampler uses unnormalized
- * coordinates or not is a dynamic property of the
- * sampler. Hence, to figure out whether or not we
- * need to divide by the texture size, we need to test
- * the sampler at runtime. This tests the bit set by
- * radv_init_sampler().
- */
- LLVMValueRef sampler0 =
- LLVMBuildExtractElement(ctx->builder, args->sampler, ctx->i32_0, "");
- sampler0 = LLVMBuildLShr(ctx->builder, sampler0,
- LLVMConstInt(ctx->i32, 15, false), "");
- sampler0 = LLVMBuildAnd(ctx->builder, sampler0, ctx->i32_1, "");
- unnorm = LLVMBuildICmp(ctx->builder, LLVMIntEQ, sampler0, ctx->i32_1, "");
- default_offset = LLVMConstReal(ctx->f32, -0.5);
- }
-
- bbs[0] = LLVMGetInsertBlock(ctx->builder);
- if (wa_8888 || unnorm) {
- assert(!(wa_8888 && unnorm));
- LLVMValueRef not_needed = wa_8888 ? wa_8888 : unnorm;
- /* Skip the texture size query entirely if we don't need it. */
- ac_build_ifcc(ctx, LLVMBuildNot(ctx->builder, not_needed, ""), 2000);
- bbs[1] = LLVMGetInsertBlock(ctx->builder);
- }
-
- /* Query the texture size. */
- resinfo.dim = ac_get_sampler_dim(ctx->chip_class, instr->sampler_dim, instr->is_array);
- resinfo.opcode = ac_image_get_resinfo;
- resinfo.dmask = 0xf;
- resinfo.lod = ctx->i32_0;
- resinfo.resource = args->resource;
- resinfo.attributes = AC_FUNC_ATTR_READNONE;
- LLVMValueRef size = ac_build_image_opcode(ctx, &resinfo);
-
- /* Compute -0.5 / size. */
- for (unsigned c = 0; c < 2; c++) {
- half_texel[c] =
- LLVMBuildExtractElement(ctx->builder, size,
- LLVMConstInt(ctx->i32, c, 0), "");
- half_texel[c] = LLVMBuildUIToFP(ctx->builder, half_texel[c], ctx->f32, "");
- half_texel[c] = ac_build_fdiv(ctx, ctx->f32_1, half_texel[c]);
- half_texel[c] = LLVMBuildFMul(ctx->builder, half_texel[c],
- LLVMConstReal(ctx->f32, -0.5), "");
- }
-
- if (wa_8888 || unnorm) {
- ac_build_endif(ctx, 2000);
-
- for (unsigned c = 0; c < 2; c++) {
- LLVMValueRef values[2] = { default_offset, half_texel[c] };
- half_texel[c] = ac_build_phi(ctx, ctx->f32, 2,
- values, bbs);
- }
- }
- }
-
- for (unsigned c = 0; c < 2; c++) {
- LLVMValueRef tmp;
- tmp = LLVMBuildBitCast(ctx->builder, args->coords[c], ctx->f32, "");
- args->coords[c] = LLVMBuildFAdd(ctx->builder, tmp, half_texel[c], "");
- }
-
- args->attributes = AC_FUNC_ATTR_READNONE;
- result = ac_build_image_opcode(ctx, args);
-
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
- LLVMValueRef tmp, tmp2;
-
- /* if the cube workaround is in place, f2i the result. */
- for (unsigned c = 0; c < 4; c++) {
- tmp = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, c, false), "");
- if (stype == GLSL_TYPE_UINT)
- tmp2 = LLVMBuildFPToUI(ctx->builder, tmp, ctx->i32, "");
- else
- tmp2 = LLVMBuildFPToSI(ctx->builder, tmp, ctx->i32, "");
- tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->i32, "");
- tmp2 = LLVMBuildBitCast(ctx->builder, tmp2, ctx->i32, "");
- tmp = LLVMBuildSelect(ctx->builder, wa_8888, tmp2, tmp, "");
- tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->f32, "");
- result = LLVMBuildInsertElement(ctx->builder, result, tmp, LLVMConstInt(ctx->i32, c, false), "");
- }
- }
- return result;
+ const struct glsl_type *type = glsl_without_array(var->type);
+ enum glsl_base_type stype = glsl_get_sampler_result_type(type);
+ LLVMValueRef wa_8888 = NULL;
+ LLVMValueRef half_texel[2];
+ LLVMValueRef result;
+
+ assert(stype == GLSL_TYPE_INT || stype == GLSL_TYPE_UINT);
+
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
+ LLVMValueRef formats;
+ LLVMValueRef data_format;
+ LLVMValueRef wa_formats;
+
+ formats = LLVMBuildExtractElement(ctx->builder, args->resource, ctx->i32_1, "");
+
+ data_format = LLVMBuildLShr(ctx->builder, formats, LLVMConstInt(ctx->i32, 20, false), "");
+ data_format =
+ LLVMBuildAnd(ctx->builder, data_format, LLVMConstInt(ctx->i32, (1u << 6) - 1, false), "");
+ wa_8888 = LLVMBuildICmp(ctx->builder, LLVMIntEQ, data_format,
+ LLVMConstInt(ctx->i32, V_008F14_IMG_DATA_FORMAT_8_8_8_8, false), "");
+
+ uint32_t wa_num_format = stype == GLSL_TYPE_UINT
+ ? S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_USCALED)
+ : S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_SSCALED);
+ wa_formats = LLVMBuildAnd(ctx->builder, formats,
+ LLVMConstInt(ctx->i32, C_008F14_NUM_FORMAT, false), "");
+ wa_formats =
+ LLVMBuildOr(ctx->builder, wa_formats, LLVMConstInt(ctx->i32, wa_num_format, false), "");
+
+ formats = LLVMBuildSelect(ctx->builder, wa_8888, wa_formats, formats, "");
+ args->resource =
+ LLVMBuildInsertElement(ctx->builder, args->resource, formats, ctx->i32_1, "");
+ }
+
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
+ assert(!wa_8888);
+ half_texel[0] = half_texel[1] = LLVMConstReal(ctx->f32, -0.5);
+ } else {
+ struct ac_image_args resinfo = {};
+ LLVMBasicBlockRef bbs[2];
+
+ LLVMValueRef unnorm = NULL;
+ LLVMValueRef default_offset = ctx->f32_0;
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_2D && !instr->is_array) {
+ /* In vulkan, whether the sampler uses unnormalized
+ * coordinates or not is a dynamic property of the
+ * sampler. Hence, to figure out whether or not we
+ * need to divide by the texture size, we need to test
+ * the sampler at runtime. This tests the bit set by
+ * radv_init_sampler().
+ */
+ LLVMValueRef sampler0 =
+ LLVMBuildExtractElement(ctx->builder, args->sampler, ctx->i32_0, "");
+ sampler0 = LLVMBuildLShr(ctx->builder, sampler0, LLVMConstInt(ctx->i32, 15, false), "");
+ sampler0 = LLVMBuildAnd(ctx->builder, sampler0, ctx->i32_1, "");
+ unnorm = LLVMBuildICmp(ctx->builder, LLVMIntEQ, sampler0, ctx->i32_1, "");
+ default_offset = LLVMConstReal(ctx->f32, -0.5);
+ }
+
+ bbs[0] = LLVMGetInsertBlock(ctx->builder);
+ if (wa_8888 || unnorm) {
+ assert(!(wa_8888 && unnorm));
+ LLVMValueRef not_needed = wa_8888 ? wa_8888 : unnorm;
+ /* Skip the texture size query entirely if we don't need it. */
+ ac_build_ifcc(ctx, LLVMBuildNot(ctx->builder, not_needed, ""), 2000);
+ bbs[1] = LLVMGetInsertBlock(ctx->builder);
+ }
+
+ /* Query the texture size. */
+ resinfo.dim = ac_get_sampler_dim(ctx->chip_class, instr->sampler_dim, instr->is_array);
+ resinfo.opcode = ac_image_get_resinfo;
+ resinfo.dmask = 0xf;
+ resinfo.lod = ctx->i32_0;
+ resinfo.resource = args->resource;
+ resinfo.attributes = AC_FUNC_ATTR_READNONE;
+ LLVMValueRef size = ac_build_image_opcode(ctx, &resinfo);
+
+ /* Compute -0.5 / size. */
+ for (unsigned c = 0; c < 2; c++) {
+ half_texel[c] =
+ LLVMBuildExtractElement(ctx->builder, size, LLVMConstInt(ctx->i32, c, 0), "");
+ half_texel[c] = LLVMBuildUIToFP(ctx->builder, half_texel[c], ctx->f32, "");
+ half_texel[c] = ac_build_fdiv(ctx, ctx->f32_1, half_texel[c]);
+ half_texel[c] =
+ LLVMBuildFMul(ctx->builder, half_texel[c], LLVMConstReal(ctx->f32, -0.5), "");
+ }
+
+ if (wa_8888 || unnorm) {
+ ac_build_endif(ctx, 2000);
+
+ for (unsigned c = 0; c < 2; c++) {
+ LLVMValueRef values[2] = {default_offset, half_texel[c]};
+ half_texel[c] = ac_build_phi(ctx, ctx->f32, 2, values, bbs);
+ }
+ }
+ }
+
+ for (unsigned c = 0; c < 2; c++) {
+ LLVMValueRef tmp;
+ tmp = LLVMBuildBitCast(ctx->builder, args->coords[c], ctx->f32, "");
+ args->coords[c] = LLVMBuildFAdd(ctx->builder, tmp, half_texel[c], "");
+ }
+
+ args->attributes = AC_FUNC_ATTR_READNONE;
+ result = ac_build_image_opcode(ctx, args);
+
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE) {
+ LLVMValueRef tmp, tmp2;
+
+ /* if the cube workaround is in place, f2i the result. */
+ for (unsigned c = 0; c < 4; c++) {
+ tmp = LLVMBuildExtractElement(ctx->builder, result, LLVMConstInt(ctx->i32, c, false), "");
+ if (stype == GLSL_TYPE_UINT)
+ tmp2 = LLVMBuildFPToUI(ctx->builder, tmp, ctx->i32, "");
+ else
+ tmp2 = LLVMBuildFPToSI(ctx->builder, tmp, ctx->i32, "");
+ tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->i32, "");
+ tmp2 = LLVMBuildBitCast(ctx->builder, tmp2, ctx->i32, "");
+ tmp = LLVMBuildSelect(ctx->builder, wa_8888, tmp2, tmp, "");
+ tmp = LLVMBuildBitCast(ctx->builder, tmp, ctx->f32, "");
+ result =
+ LLVMBuildInsertElement(ctx->builder, result, tmp, LLVMConstInt(ctx->i32, c, false), "");
+ }
+ }
+ return result;
}
static nir_deref_instr *get_tex_texture_deref(const nir_tex_instr *instr)
{
- nir_deref_instr *texture_deref_instr = NULL;
-
- for (unsigned i = 0; i < instr->num_srcs; i++) {
- switch (instr->src[i].src_type) {
- case nir_tex_src_texture_deref:
- texture_deref_instr = nir_src_as_deref(instr->src[i].src);
- break;
- default:
- break;
- }
- }
- return texture_deref_instr;
+ nir_deref_instr *texture_deref_instr = NULL;
+
+ for (unsigned i = 0; i < instr->num_srcs; i++) {
+ switch (instr->src[i].src_type) {
+ case nir_tex_src_texture_deref:
+ texture_deref_instr = nir_src_as_deref(instr->src[i].src);
+ break;
+ default:
+ break;
+ }
+ }
+ return texture_deref_instr;
}
-static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
- const nir_tex_instr *instr,
- struct ac_image_args *args)
+static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx, const nir_tex_instr *instr,
+ struct ac_image_args *args)
{
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
- unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
-
- assert(instr->dest.is_ssa);
- return ac_build_buffer_load_format(&ctx->ac,
- args->resource,
- args->coords[0],
- ctx->ac.i32_0,
- util_last_bit(mask),
- 0, true,
- instr->dest.ssa.bit_size == 16);
- }
-
- args->opcode = ac_image_sample;
-
- switch (instr->op) {
- case nir_texop_txf:
- case nir_texop_txf_ms:
- case nir_texop_samples_identical:
- args->opcode = args->level_zero ||
- instr->sampler_dim == GLSL_SAMPLER_DIM_MS ?
- ac_image_load : ac_image_load_mip;
- args->level_zero = false;
- break;
- case nir_texop_txs:
- case nir_texop_query_levels:
- args->opcode = ac_image_get_resinfo;
- if (!args->lod)
- args->lod = ctx->ac.i32_0;
- args->level_zero = false;
- break;
- case nir_texop_tex:
- if (ctx->stage != MESA_SHADER_FRAGMENT) {
- assert(!args->lod);
- args->level_zero = true;
- }
- break;
- case nir_texop_tg4:
- args->opcode = ac_image_gather4;
- if (!args->lod && !args->bias)
- args->level_zero = true;
- break;
- case nir_texop_lod:
- args->opcode = ac_image_get_lod;
- break;
- case nir_texop_fragment_fetch:
- case nir_texop_fragment_mask_fetch:
- args->opcode = ac_image_load;
- args->level_zero = false;
- break;
- default:
- break;
- }
-
- if (instr->op == nir_texop_tg4 && ctx->ac.chip_class <= GFX8) {
- nir_deref_instr *texture_deref_instr = get_tex_texture_deref(instr);
- nir_variable *var = nir_deref_instr_get_variable(texture_deref_instr);
- const struct glsl_type *type = glsl_without_array(var->type);
- enum glsl_base_type stype = glsl_get_sampler_result_type(type);
- if (stype == GLSL_TYPE_UINT || stype == GLSL_TYPE_INT) {
- return lower_gather4_integer(&ctx->ac, var, args, instr);
- }
- }
-
- /* Fixup for GFX9 which allocates 1D textures as 2D. */
- if (instr->op == nir_texop_lod && ctx->ac.chip_class == GFX9) {
- if ((args->dim == ac_image_2darray ||
- args->dim == ac_image_2d) && !args->coords[1]) {
- args->coords[1] = ctx->ac.i32_0;
- }
- }
-
- args->attributes = AC_FUNC_ATTR_READNONE;
- bool cs_derivs = ctx->stage == MESA_SHADER_COMPUTE &&
- ctx->info->cs.derivative_group != DERIVATIVE_GROUP_NONE;
- if (ctx->stage == MESA_SHADER_FRAGMENT || cs_derivs) {
- /* Prevent texture instructions with implicit derivatives from being
- * sinked into branches. */
- switch (instr->op) {
- case nir_texop_tex:
- case nir_texop_txb:
- case nir_texop_lod:
- args->attributes |= AC_FUNC_ATTR_CONVERGENT;
- break;
- default:
- break;
- }
- }
-
- return ac_build_image_opcode(&ctx->ac, args);
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
+ unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
+
+ assert(instr->dest.is_ssa);
+ return ac_build_buffer_load_format(&ctx->ac, args->resource, args->coords[0], ctx->ac.i32_0,
+ util_last_bit(mask), 0, true,
+ instr->dest.ssa.bit_size == 16);
+ }
+
+ args->opcode = ac_image_sample;
+
+ switch (instr->op) {
+ case nir_texop_txf:
+ case nir_texop_txf_ms:
+ case nir_texop_samples_identical:
+ args->opcode = args->level_zero || instr->sampler_dim == GLSL_SAMPLER_DIM_MS
+ ? ac_image_load
+ : ac_image_load_mip;
+ args->level_zero = false;
+ break;
+ case nir_texop_txs:
+ case nir_texop_query_levels:
+ args->opcode = ac_image_get_resinfo;
+ if (!args->lod)
+ args->lod = ctx->ac.i32_0;
+ args->level_zero = false;
+ break;
+ case nir_texop_tex:
+ if (ctx->stage != MESA_SHADER_FRAGMENT) {
+ assert(!args->lod);
+ args->level_zero = true;
+ }
+ break;
+ case nir_texop_tg4:
+ args->opcode = ac_image_gather4;
+ if (!args->lod && !args->bias)
+ args->level_zero = true;
+ break;
+ case nir_texop_lod:
+ args->opcode = ac_image_get_lod;
+ break;
+ case nir_texop_fragment_fetch:
+ case nir_texop_fragment_mask_fetch:
+ args->opcode = ac_image_load;
+ args->level_zero = false;
+ break;
+ default:
+ break;
+ }
+
+ if (instr->op == nir_texop_tg4 && ctx->ac.chip_class <= GFX8) {
+ nir_deref_instr *texture_deref_instr = get_tex_texture_deref(instr);
+ nir_variable *var = nir_deref_instr_get_variable(texture_deref_instr);
+ const struct glsl_type *type = glsl_without_array(var->type);
+ enum glsl_base_type stype = glsl_get_sampler_result_type(type);
+ if (stype == GLSL_TYPE_UINT || stype == GLSL_TYPE_INT) {
+ return lower_gather4_integer(&ctx->ac, var, args, instr);
+ }
+ }
+
+ /* Fixup for GFX9 which allocates 1D textures as 2D. */
+ if (instr->op == nir_texop_lod && ctx->ac.chip_class == GFX9) {
+ if ((args->dim == ac_image_2darray || args->dim == ac_image_2d) && !args->coords[1]) {
+ args->coords[1] = ctx->ac.i32_0;
+ }
+ }
+
+ args->attributes = AC_FUNC_ATTR_READNONE;
+ bool cs_derivs =
+ ctx->stage == MESA_SHADER_COMPUTE && ctx->info->cs.derivative_group != DERIVATIVE_GROUP_NONE;
+ if (ctx->stage == MESA_SHADER_FRAGMENT || cs_derivs) {
+ /* Prevent texture instructions with implicit derivatives from being
+ * sinked into branches. */
+ switch (instr->op) {
+ case nir_texop_tex:
+ case nir_texop_txb:
+ case nir_texop_lod:
+ args->attributes |= AC_FUNC_ATTR_CONVERGENT;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return ac_build_image_opcode(&ctx->ac, args);
}
static LLVMValueRef visit_vulkan_resource_reindex(struct ac_nir_context *ctx,
nir_intrinsic_instr *instr)
{
- LLVMValueRef ptr = get_src(ctx, instr->src[0]);
- LLVMValueRef index = get_src(ctx, instr->src[1]);
+ LLVMValueRef ptr = get_src(ctx, instr->src[0]);
+ LLVMValueRef index = get_src(ctx, instr->src[1]);
- LLVMValueRef result = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, "");
- LLVMSetMetadata(result, ctx->ac.uniform_md_kind, ctx->ac.empty_md);
- return result;
+ LLVMValueRef result = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, "");
+ LLVMSetMetadata(result, ctx->ac.uniform_md_kind, ctx->ac.empty_md);
+ return result;
}
-static LLVMValueRef visit_load_push_constant(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_load_push_constant(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- LLVMValueRef ptr, addr;
- LLVMValueRef src0 = get_src(ctx, instr->src[0]);
- unsigned index = nir_intrinsic_base(instr);
-
- addr = LLVMConstInt(ctx->ac.i32, index, 0);
- addr = LLVMBuildAdd(ctx->ac.builder, addr, src0, "");
-
- /* Load constant values from user SGPRS when possible, otherwise
- * fallback to the default path that loads directly from memory.
- */
- if (LLVMIsConstant(src0) &&
- instr->dest.ssa.bit_size == 32) {
- unsigned count = instr->dest.ssa.num_components;
- unsigned offset = index;
-
- offset += LLVMConstIntGetZExtValue(src0);
- offset /= 4;
-
- offset -= ctx->args->base_inline_push_consts;
-
- unsigned num_inline_push_consts = ctx->args->num_inline_push_consts;
- if (offset + count <= num_inline_push_consts) {
- LLVMValueRef push_constants[num_inline_push_consts];
- for (unsigned i = 0; i < num_inline_push_consts; i++)
- push_constants[i] = ac_get_arg(&ctx->ac,
- ctx->args->inline_push_consts[i]);
- return ac_build_gather_values(&ctx->ac,
- push_constants + offset,
- count);
- }
- }
-
- ptr = LLVMBuildGEP(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->push_constants), &addr, 1, "");
-
- if (instr->dest.ssa.bit_size == 8) {
- unsigned load_dwords = instr->dest.ssa.num_components > 1 ? 2 : 1;
- LLVMTypeRef vec_type = LLVMVectorType(ctx->ac.i8, 4 * load_dwords);
- ptr = ac_cast_ptr(&ctx->ac, ptr, vec_type);
- LLVMValueRef res = LLVMBuildLoad(ctx->ac.builder, ptr, "");
-
- LLVMValueRef params[3];
- if (load_dwords > 1) {
- LLVMValueRef res_vec = LLVMBuildBitCast(ctx->ac.builder, res, ctx->ac.v2i32, "");
- params[0] = LLVMBuildExtractElement(ctx->ac.builder, res_vec, LLVMConstInt(ctx->ac.i32, 1, false), "");
- params[1] = LLVMBuildExtractElement(ctx->ac.builder, res_vec, LLVMConstInt(ctx->ac.i32, 0, false), "");
- } else {
- res = LLVMBuildBitCast(ctx->ac.builder, res, ctx->ac.i32, "");
- params[0] = ctx->ac.i32_0;
- params[1] = res;
- }
- params[2] = addr;
- res = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.alignbyte", ctx->ac.i32, params, 3, 0);
-
- res = LLVMBuildTrunc(ctx->ac.builder, res, LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.num_components * 8), "");
- if (instr->dest.ssa.num_components > 1)
- res = LLVMBuildBitCast(ctx->ac.builder, res, LLVMVectorType(ctx->ac.i8, instr->dest.ssa.num_components), "");
- return res;
- } else if (instr->dest.ssa.bit_size == 16) {
- unsigned load_dwords = instr->dest.ssa.num_components / 2 + 1;
- LLVMTypeRef vec_type = LLVMVectorType(ctx->ac.i16, 2 * load_dwords);
- ptr = ac_cast_ptr(&ctx->ac, ptr, vec_type);
- LLVMValueRef res = LLVMBuildLoad(ctx->ac.builder, ptr, "");
- res = LLVMBuildBitCast(ctx->ac.builder, res, vec_type, "");
- LLVMValueRef cond = LLVMBuildLShr(ctx->ac.builder, addr, ctx->ac.i32_1, "");
- cond = LLVMBuildTrunc(ctx->ac.builder, cond, ctx->ac.i1, "");
- LLVMValueRef mask[] = { LLVMConstInt(ctx->ac.i32, 0, false), LLVMConstInt(ctx->ac.i32, 1, false),
- LLVMConstInt(ctx->ac.i32, 2, false), LLVMConstInt(ctx->ac.i32, 3, false),
- LLVMConstInt(ctx->ac.i32, 4, false)};
- LLVMValueRef swizzle_aligned = LLVMConstVector(&mask[0], instr->dest.ssa.num_components);
- LLVMValueRef swizzle_unaligned = LLVMConstVector(&mask[1], instr->dest.ssa.num_components);
- LLVMValueRef shuffle_aligned = LLVMBuildShuffleVector(ctx->ac.builder, res, res, swizzle_aligned, "");
- LLVMValueRef shuffle_unaligned = LLVMBuildShuffleVector(ctx->ac.builder, res, res, swizzle_unaligned, "");
- res = LLVMBuildSelect(ctx->ac.builder, cond, shuffle_unaligned, shuffle_aligned, "");
- return LLVMBuildBitCast(ctx->ac.builder, res, get_def_type(ctx, &instr->dest.ssa), "");
- }
-
- ptr = ac_cast_ptr(&ctx->ac, ptr, get_def_type(ctx, &instr->dest.ssa));
-
- return LLVMBuildLoad(ctx->ac.builder, ptr, "");
+ LLVMValueRef ptr, addr;
+ LLVMValueRef src0 = get_src(ctx, instr->src[0]);
+ unsigned index = nir_intrinsic_base(instr);
+
+ addr = LLVMConstInt(ctx->ac.i32, index, 0);
+ addr = LLVMBuildAdd(ctx->ac.builder, addr, src0, "");
+
+ /* Load constant values from user SGPRS when possible, otherwise
+ * fallback to the default path that loads directly from memory.
+ */
+ if (LLVMIsConstant(src0) && instr->dest.ssa.bit_size == 32) {
+ unsigned count = instr->dest.ssa.num_components;
+ unsigned offset = index;
+
+ offset += LLVMConstIntGetZExtValue(src0);
+ offset /= 4;
+
+ offset -= ctx->args->base_inline_push_consts;
+
+ unsigned num_inline_push_consts = ctx->args->num_inline_push_consts;
+ if (offset + count <= num_inline_push_consts) {
+ LLVMValueRef push_constants[num_inline_push_consts];
+ for (unsigned i = 0; i < num_inline_push_consts; i++)
+ push_constants[i] = ac_get_arg(&ctx->ac, ctx->args->inline_push_consts[i]);
+ return ac_build_gather_values(&ctx->ac, push_constants + offset, count);
+ }
+ }
+
+ ptr =
+ LLVMBuildGEP(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->push_constants), &addr, 1, "");
+
+ if (instr->dest.ssa.bit_size == 8) {
+ unsigned load_dwords = instr->dest.ssa.num_components > 1 ? 2 : 1;
+ LLVMTypeRef vec_type = LLVMVectorType(ctx->ac.i8, 4 * load_dwords);
+ ptr = ac_cast_ptr(&ctx->ac, ptr, vec_type);
+ LLVMValueRef res = LLVMBuildLoad(ctx->ac.builder, ptr, "");
+
+ LLVMValueRef params[3];
+ if (load_dwords > 1) {
+ LLVMValueRef res_vec = LLVMBuildBitCast(ctx->ac.builder, res, ctx->ac.v2i32, "");
+ params[0] = LLVMBuildExtractElement(ctx->ac.builder, res_vec,
+ LLVMConstInt(ctx->ac.i32, 1, false), "");
+ params[1] = LLVMBuildExtractElement(ctx->ac.builder, res_vec,
+ LLVMConstInt(ctx->ac.i32, 0, false), "");
+ } else {
+ res = LLVMBuildBitCast(ctx->ac.builder, res, ctx->ac.i32, "");
+ params[0] = ctx->ac.i32_0;
+ params[1] = res;
+ }
+ params[2] = addr;
+ res = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.alignbyte", ctx->ac.i32, params, 3, 0);
+
+ res = LLVMBuildTrunc(
+ ctx->ac.builder, res,
+ LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.num_components * 8), "");
+ if (instr->dest.ssa.num_components > 1)
+ res = LLVMBuildBitCast(ctx->ac.builder, res,
+ LLVMVectorType(ctx->ac.i8, instr->dest.ssa.num_components), "");
+ return res;
+ } else if (instr->dest.ssa.bit_size == 16) {
+ unsigned load_dwords = instr->dest.ssa.num_components / 2 + 1;
+ LLVMTypeRef vec_type = LLVMVectorType(ctx->ac.i16, 2 * load_dwords);
+ ptr = ac_cast_ptr(&ctx->ac, ptr, vec_type);
+ LLVMValueRef res = LLVMBuildLoad(ctx->ac.builder, ptr, "");
+ res = LLVMBuildBitCast(ctx->ac.builder, res, vec_type, "");
+ LLVMValueRef cond = LLVMBuildLShr(ctx->ac.builder, addr, ctx->ac.i32_1, "");
+ cond = LLVMBuildTrunc(ctx->ac.builder, cond, ctx->ac.i1, "");
+ LLVMValueRef mask[] = {
+ LLVMConstInt(ctx->ac.i32, 0, false), LLVMConstInt(ctx->ac.i32, 1, false),
+ LLVMConstInt(ctx->ac.i32, 2, false), LLVMConstInt(ctx->ac.i32, 3, false),
+ LLVMConstInt(ctx->ac.i32, 4, false)};
+ LLVMValueRef swizzle_aligned = LLVMConstVector(&mask[0], instr->dest.ssa.num_components);
+ LLVMValueRef swizzle_unaligned = LLVMConstVector(&mask[1], instr->dest.ssa.num_components);
+ LLVMValueRef shuffle_aligned =
+ LLVMBuildShuffleVector(ctx->ac.builder, res, res, swizzle_aligned, "");
+ LLVMValueRef shuffle_unaligned =
+ LLVMBuildShuffleVector(ctx->ac.builder, res, res, swizzle_unaligned, "");
+ res = LLVMBuildSelect(ctx->ac.builder, cond, shuffle_unaligned, shuffle_aligned, "");
+ return LLVMBuildBitCast(ctx->ac.builder, res, get_def_type(ctx, &instr->dest.ssa), "");
+ }
+
+ ptr = ac_cast_ptr(&ctx->ac, ptr, get_def_type(ctx, &instr->dest.ssa));
+
+ return LLVMBuildLoad(ctx->ac.builder, ptr, "");
}
static LLVMValueRef visit_get_buffer_size(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr)
{
- LLVMValueRef index = get_src(ctx, instr->src[0]);
+ LLVMValueRef index = get_src(ctx, instr->src[0]);
- return get_buffer_size(ctx, ctx->abi->load_ssbo(ctx->abi, index, false), false);
+ return get_buffer_size(ctx, ctx->abi->load_ssbo(ctx->abi, index, false), false);
}
static uint32_t widen_mask(uint32_t mask, unsigned multiplier)
{
- uint32_t new_mask = 0;
- for(unsigned i = 0; i < 32 && (1u << i) <= mask; ++i)
- if (mask & (1u << i))
- new_mask |= ((1u << multiplier) - 1u) << (i * multiplier);
- return new_mask;
+ uint32_t new_mask = 0;
+ for (unsigned i = 0; i < 32 && (1u << i) <= mask; ++i)
+ if (mask & (1u << i))
+ new_mask |= ((1u << multiplier) - 1u) << (i * multiplier);
+ return new_mask;
}
static LLVMValueRef extract_vector_range(struct ac_llvm_context *ctx, LLVMValueRef src,
unsigned start, unsigned count)
{
- LLVMValueRef mask[] = {
- ctx->i32_0, ctx->i32_1,
- LLVMConstInt(ctx->i32, 2, false), LLVMConstInt(ctx->i32, 3, false) };
-
- unsigned src_elements = ac_get_llvm_num_components(src);
-
- if (count == src_elements) {
- assert(start == 0);
- return src;
- } else if (count == 1) {
- assert(start < src_elements);
- return LLVMBuildExtractElement(ctx->builder, src, mask[start], "");
- } else {
- assert(start + count <= src_elements);
- assert(count <= 4);
- LLVMValueRef swizzle = LLVMConstVector(&mask[start], count);
- return LLVMBuildShuffleVector(ctx->builder, src, src, swizzle, "");
- }
+ LLVMValueRef mask[] = {ctx->i32_0, ctx->i32_1, LLVMConstInt(ctx->i32, 2, false),
+ LLVMConstInt(ctx->i32, 3, false)};
+
+ unsigned src_elements = ac_get_llvm_num_components(src);
+
+ if (count == src_elements) {
+ assert(start == 0);
+ return src;
+ } else if (count == 1) {
+ assert(start < src_elements);
+ return LLVMBuildExtractElement(ctx->builder, src, mask[start], "");
+ } else {
+ assert(start + count <= src_elements);
+ assert(count <= 4);
+ LLVMValueRef swizzle = LLVMConstVector(&mask[start], count);
+ return LLVMBuildShuffleVector(ctx->builder, src, src, swizzle, "");
+ }
}
-static unsigned get_cache_policy(struct ac_nir_context *ctx,
- enum gl_access_qualifier access,
- bool may_store_unaligned,
- bool writeonly_memory)
+static unsigned get_cache_policy(struct ac_nir_context *ctx, enum gl_access_qualifier access,
+ bool may_store_unaligned, bool writeonly_memory)
{
- unsigned cache_policy = 0;
-
- /* GFX6 has a TC L1 bug causing corruption of 8bit/16bit stores. All
- * store opcodes not aligned to a dword are affected. The only way to
- * get unaligned stores is through shader images.
- */
- if (((may_store_unaligned && ctx->ac.chip_class == GFX6) ||
- /* If this is write-only, don't keep data in L1 to prevent
- * evicting L1 cache lines that may be needed by other
- * instructions.
- */
- writeonly_memory ||
- access & (ACCESS_COHERENT | ACCESS_VOLATILE))) {
- cache_policy |= ac_glc;
- }
-
- if (access & ACCESS_STREAM_CACHE_POLICY)
- cache_policy |= ac_slc | ac_glc;
-
- return cache_policy;
+ unsigned cache_policy = 0;
+
+ /* GFX6 has a TC L1 bug causing corruption of 8bit/16bit stores. All
+ * store opcodes not aligned to a dword are affected. The only way to
+ * get unaligned stores is through shader images.
+ */
+ if (((may_store_unaligned && ctx->ac.chip_class == GFX6) ||
+ /* If this is write-only, don't keep data in L1 to prevent
+ * evicting L1 cache lines that may be needed by other
+ * instructions.
+ */
+ writeonly_memory || access & (ACCESS_COHERENT | ACCESS_VOLATILE))) {
+ cache_policy |= ac_glc;
+ }
+
+ if (access & ACCESS_STREAM_CACHE_POLICY)
+ cache_policy |= ac_slc | ac_glc;
+
+ return cache_policy;
}
-static LLVMValueRef enter_waterfall_ssbo(struct ac_nir_context *ctx,
- struct waterfall_context *wctx,
- const nir_intrinsic_instr *instr,
- nir_src src)
+static LLVMValueRef enter_waterfall_ssbo(struct ac_nir_context *ctx, struct waterfall_context *wctx,
+ const nir_intrinsic_instr *instr, nir_src src)
{
- return enter_waterfall(ctx, wctx, get_src(ctx, src),
- nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
+ return enter_waterfall(ctx, wctx, get_src(ctx, src),
+ nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
}
-static void visit_store_ssbo(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static void visit_store_ssbo(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7000);
- }
-
- LLVMValueRef src_data = get_src(ctx, instr->src[0]);
- int elem_size_bytes = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src_data)) / 8;
- unsigned writemask = nir_intrinsic_write_mask(instr);
- enum gl_access_qualifier access = nir_intrinsic_access(instr);
- bool writeonly_memory = access & ACCESS_NON_READABLE;
- unsigned cache_policy = get_cache_policy(ctx, access, false, writeonly_memory);
-
- struct waterfall_context wctx;
- LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[1]);
-
- LLVMValueRef rsrc = ctx->abi->load_ssbo(ctx->abi, rsrc_base, true);
- LLVMValueRef base_data = src_data;
- base_data = ac_trim_vector(&ctx->ac, base_data, instr->num_components);
- LLVMValueRef base_offset = get_src(ctx, instr->src[2]);
-
- while (writemask) {
- int start, count;
- LLVMValueRef data, offset;
- LLVMTypeRef data_type;
-
- u_bit_scan_consecutive_range(&writemask, &start, &count);
-
- /* Due to an LLVM limitation with LLVM < 9, split 3-element
- * writes into a 2-element and a 1-element write. */
- if (count == 3 &&
- (elem_size_bytes != 4 || !ac_has_vec3_support(ctx->ac.chip_class, false))) {
- writemask |= 1 << (start + 2);
- count = 2;
- }
- int num_bytes = count * elem_size_bytes; /* count in bytes */
-
- /* we can only store 4 DWords at the same time.
- * can only happen for 64 Bit vectors. */
- if (num_bytes > 16) {
- writemask |= ((1u << (count - 2)) - 1u) << (start + 2);
- count = 2;
- num_bytes = 16;
- }
-
- /* check alignment of 16 Bit stores */
- if (elem_size_bytes == 2 && num_bytes > 2 && (start % 2) == 1) {
- writemask |= ((1u << (count - 1)) - 1u) << (start + 1);
- count = 1;
- num_bytes = 2;
- }
-
- /* Due to alignment issues, split stores of 8-bit/16-bit
- * vectors.
- */
- if (ctx->ac.chip_class == GFX6 && count > 1 && elem_size_bytes < 4) {
- writemask |= ((1u << (count - 1)) - 1u) << (start + 1);
- count = 1;
- num_bytes = elem_size_bytes;
- }
-
- data = extract_vector_range(&ctx->ac, base_data, start, count);
-
- offset = LLVMBuildAdd(ctx->ac.builder, base_offset,
- LLVMConstInt(ctx->ac.i32, start * elem_size_bytes, false), "");
-
- if (num_bytes == 1) {
- ac_build_tbuffer_store_byte(&ctx->ac, rsrc, data,
- offset, ctx->ac.i32_0,
- cache_policy);
- } else if (num_bytes == 2) {
- ac_build_tbuffer_store_short(&ctx->ac, rsrc, data,
- offset, ctx->ac.i32_0,
- cache_policy);
- } else {
- int num_channels = num_bytes / 4;
-
- switch (num_bytes) {
- case 16: /* v4f32 */
- data_type = ctx->ac.v4f32;
- break;
- case 12: /* v3f32 */
- data_type = ctx->ac.v3f32;
- break;
- case 8: /* v2f32 */
- data_type = ctx->ac.v2f32;
- break;
- case 4: /* f32 */
- data_type = ctx->ac.f32;
- break;
- default:
- unreachable("Malformed vector store.");
- }
- data = LLVMBuildBitCast(ctx->ac.builder, data, data_type, "");
-
- ac_build_buffer_store_dword(&ctx->ac, rsrc, data,
- num_channels, offset,
- ctx->ac.i32_0, 0,
- cache_policy);
- }
- }
-
- exit_waterfall(ctx, &wctx, NULL);
-
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7000);
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7000);
+ }
+
+ LLVMValueRef src_data = get_src(ctx, instr->src[0]);
+ int elem_size_bytes = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src_data)) / 8;
+ unsigned writemask = nir_intrinsic_write_mask(instr);
+ enum gl_access_qualifier access = nir_intrinsic_access(instr);
+ bool writeonly_memory = access & ACCESS_NON_READABLE;
+ unsigned cache_policy = get_cache_policy(ctx, access, false, writeonly_memory);
+
+ struct waterfall_context wctx;
+ LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[1]);
+
+ LLVMValueRef rsrc = ctx->abi->load_ssbo(ctx->abi, rsrc_base, true);
+ LLVMValueRef base_data = src_data;
+ base_data = ac_trim_vector(&ctx->ac, base_data, instr->num_components);
+ LLVMValueRef base_offset = get_src(ctx, instr->src[2]);
+
+ while (writemask) {
+ int start, count;
+ LLVMValueRef data, offset;
+ LLVMTypeRef data_type;
+
+ u_bit_scan_consecutive_range(&writemask, &start, &count);
+
+ /* Due to an LLVM limitation with LLVM < 9, split 3-element
+ * writes into a 2-element and a 1-element write. */
+ if (count == 3 && (elem_size_bytes != 4 || !ac_has_vec3_support(ctx->ac.chip_class, false))) {
+ writemask |= 1 << (start + 2);
+ count = 2;
+ }
+ int num_bytes = count * elem_size_bytes; /* count in bytes */
+
+ /* we can only store 4 DWords at the same time.
+ * can only happen for 64 Bit vectors. */
+ if (num_bytes > 16) {
+ writemask |= ((1u << (count - 2)) - 1u) << (start + 2);
+ count = 2;
+ num_bytes = 16;
+ }
+
+ /* check alignment of 16 Bit stores */
+ if (elem_size_bytes == 2 && num_bytes > 2 && (start % 2) == 1) {
+ writemask |= ((1u << (count - 1)) - 1u) << (start + 1);
+ count = 1;
+ num_bytes = 2;
+ }
+
+ /* Due to alignment issues, split stores of 8-bit/16-bit
+ * vectors.
+ */
+ if (ctx->ac.chip_class == GFX6 && count > 1 && elem_size_bytes < 4) {
+ writemask |= ((1u << (count - 1)) - 1u) << (start + 1);
+ count = 1;
+ num_bytes = elem_size_bytes;
+ }
+
+ data = extract_vector_range(&ctx->ac, base_data, start, count);
+
+ offset = LLVMBuildAdd(ctx->ac.builder, base_offset,
+ LLVMConstInt(ctx->ac.i32, start * elem_size_bytes, false), "");
+
+ if (num_bytes == 1) {
+ ac_build_tbuffer_store_byte(&ctx->ac, rsrc, data, offset, ctx->ac.i32_0, cache_policy);
+ } else if (num_bytes == 2) {
+ ac_build_tbuffer_store_short(&ctx->ac, rsrc, data, offset, ctx->ac.i32_0, cache_policy);
+ } else {
+ int num_channels = num_bytes / 4;
+
+ switch (num_bytes) {
+ case 16: /* v4f32 */
+ data_type = ctx->ac.v4f32;
+ break;
+ case 12: /* v3f32 */
+ data_type = ctx->ac.v3f32;
+ break;
+ case 8: /* v2f32 */
+ data_type = ctx->ac.v2f32;
+ break;
+ case 4: /* f32 */
+ data_type = ctx->ac.f32;
+ break;
+ default:
+ unreachable("Malformed vector store.");
+ }
+ data = LLVMBuildBitCast(ctx->ac.builder, data, data_type, "");
+
+ ac_build_buffer_store_dword(&ctx->ac, rsrc, data, num_channels, offset, ctx->ac.i32_0, 0,
+ cache_policy);
+ }
+ }
+
+ exit_waterfall(ctx, &wctx, NULL);
+
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7000);
}
-static LLVMValueRef emit_ssbo_comp_swap_64(struct ac_nir_context *ctx,
- LLVMValueRef descriptor,
- LLVMValueRef offset,
- LLVMValueRef compare,
- LLVMValueRef exchange)
+static LLVMValueRef emit_ssbo_comp_swap_64(struct ac_nir_context *ctx, LLVMValueRef descriptor,
+ LLVMValueRef offset, LLVMValueRef compare,
+ LLVMValueRef exchange)
{
- LLVMBasicBlockRef start_block = NULL, then_block = NULL;
- if (ctx->abi->robust_buffer_access) {
- LLVMValueRef size = ac_llvm_extract_elem(&ctx->ac, descriptor, 2);
-
- LLVMValueRef cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntULT, offset, size, "");
- start_block = LLVMGetInsertBlock(ctx->ac.builder);
-
- ac_build_ifcc(&ctx->ac, cond, -1);
-
- then_block = LLVMGetInsertBlock(ctx->ac.builder);
- }
-
- LLVMValueRef ptr_parts[2] = {
- ac_llvm_extract_elem(&ctx->ac, descriptor, 0),
- LLVMBuildAnd(ctx->ac.builder,
- ac_llvm_extract_elem(&ctx->ac, descriptor, 1),
- LLVMConstInt(ctx->ac.i32, 65535, 0), "")
- };
-
- ptr_parts[1] = LLVMBuildTrunc(ctx->ac.builder, ptr_parts[1], ctx->ac.i16, "");
- ptr_parts[1] = LLVMBuildSExt(ctx->ac.builder, ptr_parts[1], ctx->ac.i32, "");
-
- offset = LLVMBuildZExt(ctx->ac.builder, offset, ctx->ac.i64, "");
-
- LLVMValueRef ptr = ac_build_gather_values(&ctx->ac, ptr_parts, 2);
- ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ctx->ac.i64, "");
- ptr = LLVMBuildAdd(ctx->ac.builder, ptr, offset, "");
- ptr = LLVMBuildIntToPtr(ctx->ac.builder, ptr, LLVMPointerType(ctx->ac.i64, AC_ADDR_SPACE_GLOBAL), "");
-
- LLVMValueRef result = ac_build_atomic_cmp_xchg(&ctx->ac, ptr, compare, exchange, "singlethread-one-as");
- result = LLVMBuildExtractValue(ctx->ac.builder, result, 0, "");
-
- if (ctx->abi->robust_buffer_access) {
- ac_build_endif(&ctx->ac, -1);
-
- LLVMBasicBlockRef incoming_blocks[2] = {
- start_block,
- then_block,
- };
-
- LLVMValueRef incoming_values[2] = {
- LLVMConstInt(ctx->ac.i64, 0, 0),
- result,
- };
- LLVMValueRef ret = LLVMBuildPhi(ctx->ac.builder, ctx->ac.i64, "");
- LLVMAddIncoming(ret, incoming_values, incoming_blocks, 2);
- return ret;
- } else {
- return result;
- }
+ LLVMBasicBlockRef start_block = NULL, then_block = NULL;
+ if (ctx->abi->robust_buffer_access) {
+ LLVMValueRef size = ac_llvm_extract_elem(&ctx->ac, descriptor, 2);
+
+ LLVMValueRef cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntULT, offset, size, "");
+ start_block = LLVMGetInsertBlock(ctx->ac.builder);
+
+ ac_build_ifcc(&ctx->ac, cond, -1);
+
+ then_block = LLVMGetInsertBlock(ctx->ac.builder);
+ }
+
+ LLVMValueRef ptr_parts[2] = {
+ ac_llvm_extract_elem(&ctx->ac, descriptor, 0),
+ LLVMBuildAnd(ctx->ac.builder, ac_llvm_extract_elem(&ctx->ac, descriptor, 1),
+ LLVMConstInt(ctx->ac.i32, 65535, 0), "")};
+
+ ptr_parts[1] = LLVMBuildTrunc(ctx->ac.builder, ptr_parts[1], ctx->ac.i16, "");
+ ptr_parts[1] = LLVMBuildSExt(ctx->ac.builder, ptr_parts[1], ctx->ac.i32, "");
+
+ offset = LLVMBuildZExt(ctx->ac.builder, offset, ctx->ac.i64, "");
+
+ LLVMValueRef ptr = ac_build_gather_values(&ctx->ac, ptr_parts, 2);
+ ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ctx->ac.i64, "");
+ ptr = LLVMBuildAdd(ctx->ac.builder, ptr, offset, "");
+ ptr = LLVMBuildIntToPtr(ctx->ac.builder, ptr, LLVMPointerType(ctx->ac.i64, AC_ADDR_SPACE_GLOBAL),
+ "");
+
+ LLVMValueRef result =
+ ac_build_atomic_cmp_xchg(&ctx->ac, ptr, compare, exchange, "singlethread-one-as");
+ result = LLVMBuildExtractValue(ctx->ac.builder, result, 0, "");
+
+ if (ctx->abi->robust_buffer_access) {
+ ac_build_endif(&ctx->ac, -1);
+
+ LLVMBasicBlockRef incoming_blocks[2] = {
+ start_block,
+ then_block,
+ };
+
+ LLVMValueRef incoming_values[2] = {
+ LLVMConstInt(ctx->ac.i64, 0, 0),
+ result,
+ };
+ LLVMValueRef ret = LLVMBuildPhi(ctx->ac.builder, ctx->ac.i64, "");
+ LLVMAddIncoming(ret, incoming_values, incoming_blocks, 2);
+ return ret;
+ } else {
+ return result;
+ }
}
-static LLVMValueRef visit_atomic_ssbo(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_atomic_ssbo(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7001);
- }
-
- LLVMTypeRef return_type = LLVMTypeOf(get_src(ctx, instr->src[2]));
- const char *op;
- char name[64], type[8];
- LLVMValueRef params[6], descriptor;
- LLVMValueRef result;
- int arg_count = 0;
-
- struct waterfall_context wctx;
- LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[0]);
-
- switch (instr->intrinsic) {
- case nir_intrinsic_ssbo_atomic_add:
- op = "add";
- break;
- case nir_intrinsic_ssbo_atomic_imin:
- op = "smin";
- break;
- case nir_intrinsic_ssbo_atomic_umin:
- op = "umin";
- break;
- case nir_intrinsic_ssbo_atomic_imax:
- op = "smax";
- break;
- case nir_intrinsic_ssbo_atomic_umax:
- op = "umax";
- break;
- case nir_intrinsic_ssbo_atomic_and:
- op = "and";
- break;
- case nir_intrinsic_ssbo_atomic_or:
- op = "or";
- break;
- case nir_intrinsic_ssbo_atomic_xor:
- op = "xor";
- break;
- case nir_intrinsic_ssbo_atomic_exchange:
- op = "swap";
- break;
- case nir_intrinsic_ssbo_atomic_comp_swap:
- op = "cmpswap";
- break;
- default:
- abort();
- }
-
- descriptor = ctx->abi->load_ssbo(ctx->abi,
- rsrc_base,
- true);
-
- if (instr->intrinsic == nir_intrinsic_ssbo_atomic_comp_swap &&
- return_type == ctx->ac.i64) {
- result = emit_ssbo_comp_swap_64(ctx, descriptor,
- get_src(ctx, instr->src[1]),
- get_src(ctx, instr->src[2]),
- get_src(ctx, instr->src[3]));
- } else {
- if (instr->intrinsic == nir_intrinsic_ssbo_atomic_comp_swap) {
- params[arg_count++] = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[3]), 0);
- }
- params[arg_count++] = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[2]), 0);
- params[arg_count++] = descriptor;
-
- if (LLVM_VERSION_MAJOR >= 9) {
- /* XXX: The new raw/struct atomic intrinsics are buggy with
- * LLVM 8, see r358579.
- */
- params[arg_count++] = get_src(ctx, instr->src[1]); /* voffset */
- params[arg_count++] = ctx->ac.i32_0; /* soffset */
- params[arg_count++] = ctx->ac.i32_0; /* slc */
-
- ac_build_type_name_for_intr(return_type, type, sizeof(type));
- snprintf(name, sizeof(name),
- "llvm.amdgcn.raw.buffer.atomic.%s.%s", op, type);
- } else {
- params[arg_count++] = ctx->ac.i32_0; /* vindex */
- params[arg_count++] = get_src(ctx, instr->src[1]); /* voffset */
- params[arg_count++] = ctx->ac.i1false; /* slc */
-
- assert(return_type == ctx->ac.i32);
- snprintf(name, sizeof(name),
- "llvm.amdgcn.buffer.atomic.%s", op);
- }
-
- result = ac_build_intrinsic(&ctx->ac, name, return_type, params,
- arg_count, 0);
- }
-
- result = exit_waterfall(ctx, &wctx, result);
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7001);
- return result;
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7001);
+ }
+
+ LLVMTypeRef return_type = LLVMTypeOf(get_src(ctx, instr->src[2]));
+ const char *op;
+ char name[64], type[8];
+ LLVMValueRef params[6], descriptor;
+ LLVMValueRef result;
+ int arg_count = 0;
+
+ struct waterfall_context wctx;
+ LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[0]);
+
+ switch (instr->intrinsic) {
+ case nir_intrinsic_ssbo_atomic_add:
+ op = "add";
+ break;
+ case nir_intrinsic_ssbo_atomic_imin:
+ op = "smin";
+ break;
+ case nir_intrinsic_ssbo_atomic_umin:
+ op = "umin";
+ break;
+ case nir_intrinsic_ssbo_atomic_imax:
+ op = "smax";
+ break;
+ case nir_intrinsic_ssbo_atomic_umax:
+ op = "umax";
+ break;
+ case nir_intrinsic_ssbo_atomic_and:
+ op = "and";
+ break;
+ case nir_intrinsic_ssbo_atomic_or:
+ op = "or";
+ break;
+ case nir_intrinsic_ssbo_atomic_xor:
+ op = "xor";
+ break;
+ case nir_intrinsic_ssbo_atomic_exchange:
+ op = "swap";
+ break;
+ case nir_intrinsic_ssbo_atomic_comp_swap:
+ op = "cmpswap";
+ break;
+ default:
+ abort();
+ }
+
+ descriptor = ctx->abi->load_ssbo(ctx->abi, rsrc_base, true);
+
+ if (instr->intrinsic == nir_intrinsic_ssbo_atomic_comp_swap && return_type == ctx->ac.i64) {
+ result = emit_ssbo_comp_swap_64(ctx, descriptor, get_src(ctx, instr->src[1]),
+ get_src(ctx, instr->src[2]), get_src(ctx, instr->src[3]));
+ } else {
+ if (instr->intrinsic == nir_intrinsic_ssbo_atomic_comp_swap) {
+ params[arg_count++] = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[3]), 0);
+ }
+ params[arg_count++] = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[2]), 0);
+ params[arg_count++] = descriptor;
+
+ if (LLVM_VERSION_MAJOR >= 9) {
+ /* XXX: The new raw/struct atomic intrinsics are buggy with
+ * LLVM 8, see r358579.
+ */
+ params[arg_count++] = get_src(ctx, instr->src[1]); /* voffset */
+ params[arg_count++] = ctx->ac.i32_0; /* soffset */
+ params[arg_count++] = ctx->ac.i32_0; /* slc */
+
+ ac_build_type_name_for_intr(return_type, type, sizeof(type));
+ snprintf(name, sizeof(name), "llvm.amdgcn.raw.buffer.atomic.%s.%s", op, type);
+ } else {
+ params[arg_count++] = ctx->ac.i32_0; /* vindex */
+ params[arg_count++] = get_src(ctx, instr->src[1]); /* voffset */
+ params[arg_count++] = ctx->ac.i1false; /* slc */
+
+ assert(return_type == ctx->ac.i32);
+ snprintf(name, sizeof(name), "llvm.amdgcn.buffer.atomic.%s", op);
+ }
+
+ result = ac_build_intrinsic(&ctx->ac, name, return_type, params, arg_count, 0);
+ }
+
+ result = exit_waterfall(ctx, &wctx, result);
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7001);
+ return result;
}
-static LLVMValueRef visit_load_buffer(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_load_buffer(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- struct waterfall_context wctx;
- LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[0]);
-
- int elem_size_bytes = instr->dest.ssa.bit_size / 8;
- int num_components = instr->num_components;
- enum gl_access_qualifier access = nir_intrinsic_access(instr);
- unsigned cache_policy = get_cache_policy(ctx, access, false, false);
-
- LLVMValueRef offset = get_src(ctx, instr->src[1]);
- LLVMValueRef rsrc = ctx->abi->load_ssbo(ctx->abi, rsrc_base, false);
- LLVMValueRef vindex = ctx->ac.i32_0;
-
- LLVMTypeRef def_type = get_def_type(ctx, &instr->dest.ssa);
- LLVMTypeRef def_elem_type = num_components > 1 ? LLVMGetElementType(def_type) : def_type;
-
- LLVMValueRef results[4];
- for (int i = 0; i < num_components;) {
- int num_elems = num_components - i;
- if (elem_size_bytes < 4 && nir_intrinsic_align(instr) % 4 != 0)
- num_elems = 1;
- if (num_elems * elem_size_bytes > 16)
- num_elems = 16 / elem_size_bytes;
- int load_bytes = num_elems * elem_size_bytes;
-
- LLVMValueRef immoffset = LLVMConstInt(ctx->ac.i32, i * elem_size_bytes, false);
-
- LLVMValueRef ret;
-
- if (load_bytes == 1) {
- ret = ac_build_tbuffer_load_byte(&ctx->ac,
- rsrc,
- offset,
- ctx->ac.i32_0,
- immoffset,
- cache_policy);
- } else if (load_bytes == 2) {
- ret = ac_build_tbuffer_load_short(&ctx->ac,
- rsrc,
- offset,
- ctx->ac.i32_0,
- immoffset,
- cache_policy);
- } else {
- int num_channels = util_next_power_of_two(load_bytes) / 4;
- bool can_speculate = access & ACCESS_CAN_REORDER;
-
- ret = ac_build_buffer_load(&ctx->ac, rsrc, num_channels,
- vindex, offset, immoffset, 0,
- cache_policy, can_speculate, false);
- }
-
- LLVMTypeRef byte_vec = LLVMVectorType(ctx->ac.i8, ac_get_type_size(LLVMTypeOf(ret)));
- ret = LLVMBuildBitCast(ctx->ac.builder, ret, byte_vec, "");
- ret = ac_trim_vector(&ctx->ac, ret, load_bytes);
-
- LLVMTypeRef ret_type = LLVMVectorType(def_elem_type, num_elems);
- ret = LLVMBuildBitCast(ctx->ac.builder, ret, ret_type, "");
-
- for (unsigned j = 0; j < num_elems; j++) {
- results[i + j] = LLVMBuildExtractElement(ctx->ac.builder, ret, LLVMConstInt(ctx->ac.i32, j, false), "");
- }
- i += num_elems;
- }
-
- LLVMValueRef ret = ac_build_gather_values(&ctx->ac, results, num_components);
- return exit_waterfall(ctx, &wctx, ret);
+ struct waterfall_context wctx;
+ LLVMValueRef rsrc_base = enter_waterfall_ssbo(ctx, &wctx, instr, instr->src[0]);
+
+ int elem_size_bytes = instr->dest.ssa.bit_size / 8;
+ int num_components = instr->num_components;
+ enum gl_access_qualifier access = nir_intrinsic_access(instr);
+ unsigned cache_policy = get_cache_policy(ctx, access, false, false);
+
+ LLVMValueRef offset = get_src(ctx, instr->src[1]);
+ LLVMValueRef rsrc = ctx->abi->load_ssbo(ctx->abi, rsrc_base, false);
+ LLVMValueRef vindex = ctx->ac.i32_0;
+
+ LLVMTypeRef def_type = get_def_type(ctx, &instr->dest.ssa);
+ LLVMTypeRef def_elem_type = num_components > 1 ? LLVMGetElementType(def_type) : def_type;
+
+ LLVMValueRef results[4];
+ for (int i = 0; i < num_components;) {
+ int num_elems = num_components - i;
+ if (elem_size_bytes < 4 && nir_intrinsic_align(instr) % 4 != 0)
+ num_elems = 1;
+ if (num_elems * elem_size_bytes > 16)
+ num_elems = 16 / elem_size_bytes;
+ int load_bytes = num_elems * elem_size_bytes;
+
+ LLVMValueRef immoffset = LLVMConstInt(ctx->ac.i32, i * elem_size_bytes, false);
+
+ LLVMValueRef ret;
+
+ if (load_bytes == 1) {
+ ret = ac_build_tbuffer_load_byte(&ctx->ac, rsrc, offset, ctx->ac.i32_0, immoffset,
+ cache_policy);
+ } else if (load_bytes == 2) {
+ ret = ac_build_tbuffer_load_short(&ctx->ac, rsrc, offset, ctx->ac.i32_0, immoffset,
+ cache_policy);
+ } else {
+ int num_channels = util_next_power_of_two(load_bytes) / 4;
+ bool can_speculate = access & ACCESS_CAN_REORDER;
+
+ ret = ac_build_buffer_load(&ctx->ac, rsrc, num_channels, vindex, offset, immoffset, 0,
+ cache_policy, can_speculate, false);
+ }
+
+ LLVMTypeRef byte_vec = LLVMVectorType(ctx->ac.i8, ac_get_type_size(LLVMTypeOf(ret)));
+ ret = LLVMBuildBitCast(ctx->ac.builder, ret, byte_vec, "");
+ ret = ac_trim_vector(&ctx->ac, ret, load_bytes);
+
+ LLVMTypeRef ret_type = LLVMVectorType(def_elem_type, num_elems);
+ ret = LLVMBuildBitCast(ctx->ac.builder, ret, ret_type, "");
+
+ for (unsigned j = 0; j < num_elems; j++) {
+ results[i + j] =
+ LLVMBuildExtractElement(ctx->ac.builder, ret, LLVMConstInt(ctx->ac.i32, j, false), "");
+ }
+ i += num_elems;
+ }
+
+ LLVMValueRef ret = ac_build_gather_values(&ctx->ac, results, num_components);
+ return exit_waterfall(ctx, &wctx, ret);
}
-static LLVMValueRef enter_waterfall_ubo(struct ac_nir_context *ctx,
- struct waterfall_context *wctx,
- const nir_intrinsic_instr *instr)
+static LLVMValueRef enter_waterfall_ubo(struct ac_nir_context *ctx, struct waterfall_context *wctx,
+ const nir_intrinsic_instr *instr)
{
- return enter_waterfall(ctx, wctx, get_src(ctx, instr->src[0]),
- nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
+ return enter_waterfall(ctx, wctx, get_src(ctx, instr->src[0]),
+ nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
}
-static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- struct waterfall_context wctx;
- LLVMValueRef rsrc_base = enter_waterfall_ubo(ctx, &wctx, instr);
-
- LLVMValueRef ret;
- LLVMValueRef rsrc = rsrc_base;
- LLVMValueRef offset = get_src(ctx, instr->src[1]);
- int num_components = instr->num_components;
-
- if (ctx->abi->load_ubo)
- rsrc = ctx->abi->load_ubo(ctx->abi, rsrc);
-
- if (instr->dest.ssa.bit_size == 64)
- num_components *= 2;
-
- if (instr->dest.ssa.bit_size == 16 || instr->dest.ssa.bit_size == 8) {
- unsigned load_bytes = instr->dest.ssa.bit_size / 8;
- LLVMValueRef results[num_components];
- for (unsigned i = 0; i < num_components; ++i) {
- LLVMValueRef immoffset = LLVMConstInt(ctx->ac.i32,
- load_bytes * i, 0);
-
- if (load_bytes == 1) {
- results[i] = ac_build_tbuffer_load_byte(&ctx->ac,
- rsrc,
- offset,
- ctx->ac.i32_0,
- immoffset,
- 0);
- } else {
- assert(load_bytes == 2);
- results[i] = ac_build_tbuffer_load_short(&ctx->ac,
- rsrc,
- offset,
- ctx->ac.i32_0,
- immoffset,
- 0);
- }
- }
- ret = ac_build_gather_values(&ctx->ac, results, num_components);
- } else {
- ret = ac_build_buffer_load(&ctx->ac, rsrc, num_components, NULL, offset,
- NULL, 0, 0, true, true);
-
- ret = ac_trim_vector(&ctx->ac, ret, num_components);
- }
-
- ret = LLVMBuildBitCast(ctx->ac.builder, ret,
- get_def_type(ctx, &instr->dest.ssa), "");
-
- return exit_waterfall(ctx, &wctx, ret);
+ struct waterfall_context wctx;
+ LLVMValueRef rsrc_base = enter_waterfall_ubo(ctx, &wctx, instr);
+
+ LLVMValueRef ret;
+ LLVMValueRef rsrc = rsrc_base;
+ LLVMValueRef offset = get_src(ctx, instr->src[1]);
+ int num_components = instr->num_components;
+
+ if (ctx->abi->load_ubo)
+ rsrc = ctx->abi->load_ubo(ctx->abi, rsrc);
+
+ if (instr->dest.ssa.bit_size == 64)
+ num_components *= 2;
+
+ if (instr->dest.ssa.bit_size == 16 || instr->dest.ssa.bit_size == 8) {
+ unsigned load_bytes = instr->dest.ssa.bit_size / 8;
+ LLVMValueRef results[num_components];
+ for (unsigned i = 0; i < num_components; ++i) {
+ LLVMValueRef immoffset = LLVMConstInt(ctx->ac.i32, load_bytes * i, 0);
+
+ if (load_bytes == 1) {
+ results[i] =
+ ac_build_tbuffer_load_byte(&ctx->ac, rsrc, offset, ctx->ac.i32_0, immoffset, 0);
+ } else {
+ assert(load_bytes == 2);
+ results[i] =
+ ac_build_tbuffer_load_short(&ctx->ac, rsrc, offset, ctx->ac.i32_0, immoffset, 0);
+ }
+ }
+ ret = ac_build_gather_values(&ctx->ac, results, num_components);
+ } else {
+ ret =
+ ac_build_buffer_load(&ctx->ac, rsrc, num_components, NULL, offset, NULL, 0, 0, true, true);
+
+ ret = ac_trim_vector(&ctx->ac, ret, num_components);
+ }
+
+ ret = LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
+
+ return exit_waterfall(ctx, &wctx, ret);
}
-static void
-get_deref_offset(struct ac_nir_context *ctx, nir_deref_instr *instr,
- bool vs_in, unsigned *vertex_index_out,
- LLVMValueRef *vertex_index_ref,
- unsigned *const_out, LLVMValueRef *indir_out)
+static void get_deref_offset(struct ac_nir_context *ctx, nir_deref_instr *instr, bool vs_in,
+ unsigned *vertex_index_out, LLVMValueRef *vertex_index_ref,
+ unsigned *const_out, LLVMValueRef *indir_out)
{
- nir_variable *var = nir_deref_instr_get_variable(instr);
- nir_deref_path path;
- unsigned idx_lvl = 1;
-
- nir_deref_path_init(&path, instr, NULL);
-
- if (vertex_index_out != NULL || vertex_index_ref != NULL) {
- if (vertex_index_ref) {
- *vertex_index_ref = get_src(ctx, path.path[idx_lvl]->arr.index);
- if (vertex_index_out)
- *vertex_index_out = 0;
- } else {
- *vertex_index_out = nir_src_as_uint(path.path[idx_lvl]->arr.index);
- }
- ++idx_lvl;
- }
-
- uint32_t const_offset = 0;
- LLVMValueRef offset = NULL;
-
- if (var->data.compact) {
- assert(instr->deref_type == nir_deref_type_array);
- const_offset = nir_src_as_uint(instr->arr.index);
- goto out;
- }
-
- for (; path.path[idx_lvl]; ++idx_lvl) {
- const struct glsl_type *parent_type = path.path[idx_lvl - 1]->type;
- if (path.path[idx_lvl]->deref_type == nir_deref_type_struct) {
- unsigned index = path.path[idx_lvl]->strct.index;
-
- for (unsigned i = 0; i < index; i++) {
- const struct glsl_type *ft = glsl_get_struct_field(parent_type, i);
- const_offset += glsl_count_attribute_slots(ft, vs_in);
- }
- } else if(path.path[idx_lvl]->deref_type == nir_deref_type_array) {
- unsigned size = glsl_count_attribute_slots(path.path[idx_lvl]->type, vs_in);
- if (nir_src_is_const(path.path[idx_lvl]->arr.index)) {
- const_offset += size *
- nir_src_as_uint(path.path[idx_lvl]->arr.index);
- } else {
- LLVMValueRef array_off = LLVMBuildMul(ctx->ac.builder, LLVMConstInt(ctx->ac.i32, size, 0),
- get_src(ctx, path.path[idx_lvl]->arr.index), "");
- if (offset)
- offset = LLVMBuildAdd(ctx->ac.builder, offset, array_off, "");
- else
- offset = array_off;
- }
- } else
- unreachable("Uhandled deref type in get_deref_instr_offset");
- }
+ nir_variable *var = nir_deref_instr_get_variable(instr);
+ nir_deref_path path;
+ unsigned idx_lvl = 1;
+
+ nir_deref_path_init(&path, instr, NULL);
+
+ if (vertex_index_out != NULL || vertex_index_ref != NULL) {
+ if (vertex_index_ref) {
+ *vertex_index_ref = get_src(ctx, path.path[idx_lvl]->arr.index);
+ if (vertex_index_out)
+ *vertex_index_out = 0;
+ } else {
+ *vertex_index_out = nir_src_as_uint(path.path[idx_lvl]->arr.index);
+ }
+ ++idx_lvl;
+ }
+
+ uint32_t const_offset = 0;
+ LLVMValueRef offset = NULL;
+
+ if (var->data.compact) {
+ assert(instr->deref_type == nir_deref_type_array);
+ const_offset = nir_src_as_uint(instr->arr.index);
+ goto out;
+ }
+
+ for (; path.path[idx_lvl]; ++idx_lvl) {
+ const struct glsl_type *parent_type = path.path[idx_lvl - 1]->type;
+ if (path.path[idx_lvl]->deref_type == nir_deref_type_struct) {
+ unsigned index = path.path[idx_lvl]->strct.index;
+
+ for (unsigned i = 0; i < index; i++) {
+ const struct glsl_type *ft = glsl_get_struct_field(parent_type, i);
+ const_offset += glsl_count_attribute_slots(ft, vs_in);
+ }
+ } else if (path.path[idx_lvl]->deref_type == nir_deref_type_array) {
+ unsigned size = glsl_count_attribute_slots(path.path[idx_lvl]->type, vs_in);
+ if (nir_src_is_const(path.path[idx_lvl]->arr.index)) {
+ const_offset += size * nir_src_as_uint(path.path[idx_lvl]->arr.index);
+ } else {
+ LLVMValueRef array_off =
+ LLVMBuildMul(ctx->ac.builder, LLVMConstInt(ctx->ac.i32, size, 0),
+ get_src(ctx, path.path[idx_lvl]->arr.index), "");
+ if (offset)
+ offset = LLVMBuildAdd(ctx->ac.builder, offset, array_off, "");
+ else
+ offset = array_off;
+ }
+ } else
+ unreachable("Uhandled deref type in get_deref_instr_offset");
+ }
out:
- nir_deref_path_finish(&path);
+ nir_deref_path_finish(&path);
- if (const_offset && offset)
- offset = LLVMBuildAdd(ctx->ac.builder, offset,
- LLVMConstInt(ctx->ac.i32, const_offset, 0),
- "");
+ if (const_offset && offset)
+ offset =
+ LLVMBuildAdd(ctx->ac.builder, offset, LLVMConstInt(ctx->ac.i32, const_offset, 0), "");
- *const_out = const_offset;
- *indir_out = offset;
+ *const_out = const_offset;
+ *indir_out = offset;
}
-static LLVMValueRef load_tess_varyings(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr,
- bool load_inputs)
+static LLVMValueRef load_tess_varyings(struct ac_nir_context *ctx, nir_intrinsic_instr *instr,
+ bool load_inputs)
{
- LLVMValueRef result;
- LLVMValueRef vertex_index = NULL;
- LLVMValueRef indir_index = NULL;
- unsigned const_index = 0;
-
- nir_variable *var = nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
-
- unsigned location = var->data.location;
- unsigned driver_location = var->data.driver_location;
- const bool is_patch = var->data.patch ||
- var->data.location == VARYING_SLOT_TESS_LEVEL_INNER ||
- var->data.location == VARYING_SLOT_TESS_LEVEL_OUTER;
- const bool is_compact = var->data.compact;
-
- get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
- false, NULL, is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
-
- LLVMTypeRef dest_type = get_def_type(ctx, &instr->dest.ssa);
-
- LLVMTypeRef src_component_type;
- if (LLVMGetTypeKind(dest_type) == LLVMVectorTypeKind)
- src_component_type = LLVMGetElementType(dest_type);
- else
- src_component_type = dest_type;
-
- result = ctx->abi->load_tess_varyings(ctx->abi, src_component_type,
- vertex_index, indir_index,
- const_index, location, driver_location,
- var->data.location_frac,
- instr->num_components,
- is_patch, is_compact, load_inputs);
- if (instr->dest.ssa.bit_size == 16) {
- result = ac_to_integer(&ctx->ac, result);
- result = LLVMBuildTrunc(ctx->ac.builder, result, dest_type, "");
- }
- return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
+ LLVMValueRef result;
+ LLVMValueRef vertex_index = NULL;
+ LLVMValueRef indir_index = NULL;
+ unsigned const_index = 0;
+
+ nir_variable *var =
+ nir_deref_instr_get_variable(nir_instr_as_deref(instr->src[0].ssa->parent_instr));
+
+ unsigned location = var->data.location;
+ unsigned driver_location = var->data.driver_location;
+ const bool is_patch = var->data.patch || var->data.location == VARYING_SLOT_TESS_LEVEL_INNER ||
+ var->data.location == VARYING_SLOT_TESS_LEVEL_OUTER;
+ const bool is_compact = var->data.compact;
+
+ get_deref_offset(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), false, NULL,
+ is_patch ? NULL : &vertex_index, &const_index, &indir_index);
+
+ LLVMTypeRef dest_type = get_def_type(ctx, &instr->dest.ssa);
+
+ LLVMTypeRef src_component_type;
+ if (LLVMGetTypeKind(dest_type) == LLVMVectorTypeKind)
+ src_component_type = LLVMGetElementType(dest_type);
+ else
+ src_component_type = dest_type;
+
+ result =
+ ctx->abi->load_tess_varyings(ctx->abi, src_component_type, vertex_index, indir_index,
+ const_index, location, driver_location, var->data.location_frac,
+ instr->num_components, is_patch, is_compact, load_inputs);
+ if (instr->dest.ssa.bit_size == 16) {
+ result = ac_to_integer(&ctx->ac, result);
+ result = LLVMBuildTrunc(ctx->ac.builder, result, dest_type, "");
+ }
+ return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
}
-static unsigned
-type_scalar_size_bytes(const struct glsl_type *type)
+static unsigned type_scalar_size_bytes(const struct glsl_type *type)
{
- assert(glsl_type_is_vector_or_scalar(type) ||
- glsl_type_is_matrix(type));
+ assert(glsl_type_is_vector_or_scalar(type) || glsl_type_is_matrix(type));
return glsl_type_is_boolean(type) ? 4 : glsl_get_bit_size(type) / 8;
}
-static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_load_var(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
- nir_variable *var = nir_deref_instr_get_variable(deref);
-
- LLVMValueRef values[8];
- int idx = 0;
- int ve = instr->dest.ssa.num_components;
- unsigned comp = 0;
- LLVMValueRef indir_index;
- LLVMValueRef ret;
- unsigned const_index;
- unsigned stride = 4;
- int mode = deref->mode;
-
- if (var) {
- bool vs_in = ctx->stage == MESA_SHADER_VERTEX &&
- var->data.mode == nir_var_shader_in;
- idx = var->data.driver_location;
- comp = var->data.location_frac;
- mode = var->data.mode;
-
- get_deref_offset(ctx, deref, vs_in, NULL, NULL,
- &const_index, &indir_index);
-
- if (var->data.compact) {
- stride = 1;
- const_index += comp;
- comp = 0;
- }
- }
-
- if (instr->dest.ssa.bit_size == 64 &&
- (deref->mode == nir_var_shader_in ||
- deref->mode == nir_var_shader_out ||
- deref->mode == nir_var_function_temp))
- ve *= 2;
-
- switch (mode) {
- case nir_var_shader_in:
- /* TODO: remove this after RADV switches to lowered IO */
- if (ctx->stage == MESA_SHADER_TESS_CTRL ||
- ctx->stage == MESA_SHADER_TESS_EVAL) {
- return load_tess_varyings(ctx, instr, true);
- }
-
- if (ctx->stage == MESA_SHADER_GEOMETRY) {
- LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
- LLVMValueRef indir_index;
- unsigned const_index, vertex_index;
- get_deref_offset(ctx, deref, false, &vertex_index, NULL,
- &const_index, &indir_index);
- assert(indir_index == NULL);
-
- return ctx->abi->load_inputs(ctx->abi, var->data.location,
- var->data.driver_location,
- var->data.location_frac,
- instr->num_components, vertex_index, const_index, type);
- }
-
- for (unsigned chan = comp; chan < ve + comp; chan++) {
- if (indir_index) {
- unsigned count = glsl_count_attribute_slots(
- var->type,
- ctx->stage == MESA_SHADER_VERTEX);
- count -= chan / 4;
- LLVMValueRef tmp_vec = ac_build_gather_values_extended(
- &ctx->ac, ctx->abi->inputs + idx + chan, count,
- stride, false, true);
-
- values[chan] = LLVMBuildExtractElement(ctx->ac.builder,
- tmp_vec,
- indir_index, "");
- } else
- values[chan] = ctx->abi->inputs[idx + chan + const_index * stride];
- }
- break;
- case nir_var_function_temp:
- for (unsigned chan = 0; chan < ve; chan++) {
- if (indir_index) {
- unsigned count = glsl_count_attribute_slots(
- var->type, false);
- count -= chan / 4;
- LLVMValueRef tmp_vec = ac_build_gather_values_extended(
- &ctx->ac, ctx->locals + idx + chan, count,
- stride, true, true);
-
- values[chan] = LLVMBuildExtractElement(ctx->ac.builder,
- tmp_vec,
- indir_index, "");
- } else {
- values[chan] = LLVMBuildLoad(ctx->ac.builder, ctx->locals[idx + chan + const_index * stride], "");
- }
- }
- break;
- case nir_var_shader_out:
- /* TODO: remove this after RADV switches to lowered IO */
- if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- return load_tess_varyings(ctx, instr, false);
- }
-
- if (ctx->stage == MESA_SHADER_FRAGMENT &&
- var->data.fb_fetch_output &&
- ctx->abi->emit_fbfetch)
- return ctx->abi->emit_fbfetch(ctx->abi);
-
- for (unsigned chan = comp; chan < ve + comp; chan++) {
- if (indir_index) {
- unsigned count = glsl_count_attribute_slots(
- var->type, false);
- count -= chan / 4;
- LLVMValueRef tmp_vec = ac_build_gather_values_extended(
- &ctx->ac, ctx->abi->outputs + idx + chan, count,
- stride, true, true);
-
- values[chan] = LLVMBuildExtractElement(ctx->ac.builder,
- tmp_vec,
- indir_index, "");
- } else {
- values[chan] = LLVMBuildLoad(ctx->ac.builder,
- ctx->abi->outputs[idx + chan + const_index * stride],
- "");
- }
- }
- break;
- case nir_var_mem_global: {
- LLVMValueRef address = get_src(ctx, instr->src[0]);
- LLVMTypeRef result_type = get_def_type(ctx, &instr->dest.ssa);
- unsigned explicit_stride = glsl_get_explicit_stride(deref->type);
- unsigned natural_stride = type_scalar_size_bytes(deref->type);
- unsigned stride = explicit_stride ? explicit_stride : natural_stride;
- int elem_size_bytes = ac_get_elem_bits(&ctx->ac, result_type) / 8;
- bool split_loads = ctx->ac.chip_class == GFX6 && elem_size_bytes < 4;
-
- if (stride != natural_stride || split_loads) {
- if (LLVMGetTypeKind(result_type) == LLVMVectorTypeKind)
- result_type = LLVMGetElementType(result_type);
-
- LLVMTypeRef ptr_type = LLVMPointerType(result_type,
- LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
- address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type , "");
-
- for (unsigned i = 0; i < instr->dest.ssa.num_components; ++i) {
- LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, i * stride / natural_stride, 0);
- values[i] = LLVMBuildLoad(ctx->ac.builder,
- ac_build_gep_ptr(&ctx->ac, address, offset), "");
-
- if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
- LLVMSetOrdering(values[i], LLVMAtomicOrderingMonotonic);
- }
- return ac_build_gather_values(&ctx->ac, values, instr->dest.ssa.num_components);
- } else {
- LLVMTypeRef ptr_type = LLVMPointerType(result_type,
- LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
- address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type , "");
- LLVMValueRef val = LLVMBuildLoad(ctx->ac.builder, address, "");
-
- if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
- LLVMSetOrdering(val, LLVMAtomicOrderingMonotonic);
- return val;
- }
- }
- default:
- unreachable("unhandle variable mode");
- }
- ret = ac_build_varying_gather_values(&ctx->ac, values, ve, comp);
- return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
+ nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
+ nir_variable *var = nir_deref_instr_get_variable(deref);
+
+ LLVMValueRef values[8];
+ int idx = 0;
+ int ve = instr->dest.ssa.num_components;
+ unsigned comp = 0;
+ LLVMValueRef indir_index;
+ LLVMValueRef ret;
+ unsigned const_index;
+ unsigned stride = 4;
+ int mode = deref->mode;
+
+ if (var) {
+ bool vs_in = ctx->stage == MESA_SHADER_VERTEX && var->data.mode == nir_var_shader_in;
+ idx = var->data.driver_location;
+ comp = var->data.location_frac;
+ mode = var->data.mode;
+
+ get_deref_offset(ctx, deref, vs_in, NULL, NULL, &const_index, &indir_index);
+
+ if (var->data.compact) {
+ stride = 1;
+ const_index += comp;
+ comp = 0;
+ }
+ }
+
+ if (instr->dest.ssa.bit_size == 64 &&
+ (deref->mode == nir_var_shader_in || deref->mode == nir_var_shader_out ||
+ deref->mode == nir_var_function_temp))
+ ve *= 2;
+
+ switch (mode) {
+ case nir_var_shader_in:
+ /* TODO: remove this after RADV switches to lowered IO */
+ if (ctx->stage == MESA_SHADER_TESS_CTRL || ctx->stage == MESA_SHADER_TESS_EVAL) {
+ return load_tess_varyings(ctx, instr, true);
+ }
+
+ if (ctx->stage == MESA_SHADER_GEOMETRY) {
+ LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
+ LLVMValueRef indir_index;
+ unsigned const_index, vertex_index;
+ get_deref_offset(ctx, deref, false, &vertex_index, NULL, &const_index, &indir_index);
+ assert(indir_index == NULL);
+
+ return ctx->abi->load_inputs(ctx->abi, var->data.location, var->data.driver_location,
+ var->data.location_frac, instr->num_components, vertex_index,
+ const_index, type);
+ }
+
+ for (unsigned chan = comp; chan < ve + comp; chan++) {
+ if (indir_index) {
+ unsigned count =
+ glsl_count_attribute_slots(var->type, ctx->stage == MESA_SHADER_VERTEX);
+ count -= chan / 4;
+ LLVMValueRef tmp_vec = ac_build_gather_values_extended(
+ &ctx->ac, ctx->abi->inputs + idx + chan, count, stride, false, true);
+
+ values[chan] = LLVMBuildExtractElement(ctx->ac.builder, tmp_vec, indir_index, "");
+ } else
+ values[chan] = ctx->abi->inputs[idx + chan + const_index * stride];
+ }
+ break;
+ case nir_var_function_temp:
+ for (unsigned chan = 0; chan < ve; chan++) {
+ if (indir_index) {
+ unsigned count = glsl_count_attribute_slots(var->type, false);
+ count -= chan / 4;
+ LLVMValueRef tmp_vec = ac_build_gather_values_extended(
+ &ctx->ac, ctx->locals + idx + chan, count, stride, true, true);
+
+ values[chan] = LLVMBuildExtractElement(ctx->ac.builder, tmp_vec, indir_index, "");
+ } else {
+ values[chan] =
+ LLVMBuildLoad(ctx->ac.builder, ctx->locals[idx + chan + const_index * stride], "");
+ }
+ }
+ break;
+ case nir_var_shader_out:
+ /* TODO: remove this after RADV switches to lowered IO */
+ if (ctx->stage == MESA_SHADER_TESS_CTRL) {
+ return load_tess_varyings(ctx, instr, false);
+ }
+
+ if (ctx->stage == MESA_SHADER_FRAGMENT && var->data.fb_fetch_output && ctx->abi->emit_fbfetch)
+ return ctx->abi->emit_fbfetch(ctx->abi);
+
+ for (unsigned chan = comp; chan < ve + comp; chan++) {
+ if (indir_index) {
+ unsigned count = glsl_count_attribute_slots(var->type, false);
+ count -= chan / 4;
+ LLVMValueRef tmp_vec = ac_build_gather_values_extended(
+ &ctx->ac, ctx->abi->outputs + idx + chan, count, stride, true, true);
+
+ values[chan] = LLVMBuildExtractElement(ctx->ac.builder, tmp_vec, indir_index, "");
+ } else {
+ values[chan] = LLVMBuildLoad(ctx->ac.builder,
+ ctx->abi->outputs[idx + chan + const_index * stride], "");
+ }
+ }
+ break;
+ case nir_var_mem_global: {
+ LLVMValueRef address = get_src(ctx, instr->src[0]);
+ LLVMTypeRef result_type = get_def_type(ctx, &instr->dest.ssa);
+ unsigned explicit_stride = glsl_get_explicit_stride(deref->type);
+ unsigned natural_stride = type_scalar_size_bytes(deref->type);
+ unsigned stride = explicit_stride ? explicit_stride : natural_stride;
+ int elem_size_bytes = ac_get_elem_bits(&ctx->ac, result_type) / 8;
+ bool split_loads = ctx->ac.chip_class == GFX6 && elem_size_bytes < 4;
+
+ if (stride != natural_stride || split_loads) {
+ if (LLVMGetTypeKind(result_type) == LLVMVectorTypeKind)
+ result_type = LLVMGetElementType(result_type);
+
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(result_type, LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
+ address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type, "");
+
+ for (unsigned i = 0; i < instr->dest.ssa.num_components; ++i) {
+ LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, i * stride / natural_stride, 0);
+ values[i] =
+ LLVMBuildLoad(ctx->ac.builder, ac_build_gep_ptr(&ctx->ac, address, offset), "");
+
+ if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
+ LLVMSetOrdering(values[i], LLVMAtomicOrderingMonotonic);
+ }
+ return ac_build_gather_values(&ctx->ac, values, instr->dest.ssa.num_components);
+ } else {
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(result_type, LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
+ address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type, "");
+ LLVMValueRef val = LLVMBuildLoad(ctx->ac.builder, address, "");
+
+ if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
+ LLVMSetOrdering(val, LLVMAtomicOrderingMonotonic);
+ return val;
+ }
+ }
+ default:
+ unreachable("unhandle variable mode");
+ }
+ ret = ac_build_varying_gather_values(&ctx->ac, values, ve, comp);
+ return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
}
-static void
-visit_store_var(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static void visit_store_var(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7002);
- }
-
- nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
- nir_variable *var = nir_deref_instr_get_variable(deref);
-
- LLVMValueRef temp_ptr, value;
- int idx = 0;
- unsigned comp = 0;
- LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[1]));
- int writemask = instr->const_index[0];
- LLVMValueRef indir_index;
- unsigned const_index;
-
- if (var) {
- get_deref_offset(ctx, deref, false,
- NULL, NULL, &const_index, &indir_index);
- idx = var->data.driver_location;
- comp = var->data.location_frac;
-
- if (var->data.compact) {
- const_index += comp;
- comp = 0;
- }
- }
-
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src)) == 64 &&
- (deref->mode == nir_var_shader_out ||
- deref->mode == nir_var_function_temp)) {
-
- src = LLVMBuildBitCast(ctx->ac.builder, src,
- LLVMVectorType(ctx->ac.f32, ac_get_llvm_num_components(src) * 2),
- "");
-
- writemask = widen_mask(writemask, 2);
- }
-
- writemask = writemask << comp;
-
- switch (deref->mode) {
- case nir_var_shader_out:
- /* TODO: remove this after RADV switches to lowered IO */
- if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- LLVMValueRef vertex_index = NULL;
- LLVMValueRef indir_index = NULL;
- unsigned const_index = 0;
- const bool is_patch = var->data.patch ||
- var->data.location == VARYING_SLOT_TESS_LEVEL_INNER ||
- var->data.location == VARYING_SLOT_TESS_LEVEL_OUTER;
-
- get_deref_offset(ctx, deref, false, NULL,
- is_patch ? NULL : &vertex_index,
- &const_index, &indir_index);
-
- ctx->abi->store_tcs_outputs(ctx->abi, var,
- vertex_index, indir_index,
- const_index, src, writemask,
- var->data.location_frac,
- var->data.driver_location);
- break;
- }
-
- for (unsigned chan = 0; chan < 8; chan++) {
- int stride = 4;
- if (!(writemask & (1 << chan)))
- continue;
-
- value = ac_llvm_extract_elem(&ctx->ac, src, chan - comp);
-
- if (var->data.compact)
- stride = 1;
- if (indir_index) {
- unsigned count = glsl_count_attribute_slots(
- var->type, false);
- count -= chan / 4;
- LLVMValueRef tmp_vec = ac_build_gather_values_extended(
- &ctx->ac, ctx->abi->outputs + idx + chan, count,
- stride, true, true);
-
- tmp_vec = LLVMBuildInsertElement(ctx->ac.builder, tmp_vec,
- value, indir_index, "");
- build_store_values_extended(&ctx->ac, ctx->abi->outputs + idx + chan,
- count, stride, tmp_vec);
-
- } else {
- temp_ptr = ctx->abi->outputs[idx + chan + const_index * stride];
-
- LLVMBuildStore(ctx->ac.builder, value, temp_ptr);
- }
- }
- break;
- case nir_var_function_temp:
- for (unsigned chan = 0; chan < 8; chan++) {
- if (!(writemask & (1 << chan)))
- continue;
-
- value = ac_llvm_extract_elem(&ctx->ac, src, chan);
- if (indir_index) {
- unsigned count = glsl_count_attribute_slots(
- var->type, false);
- count -= chan / 4;
- LLVMValueRef tmp_vec = ac_build_gather_values_extended(
- &ctx->ac, ctx->locals + idx + chan, count,
- 4, true, true);
-
- tmp_vec = LLVMBuildInsertElement(ctx->ac.builder, tmp_vec,
- value, indir_index, "");
- build_store_values_extended(&ctx->ac, ctx->locals + idx + chan,
- count, 4, tmp_vec);
- } else {
- temp_ptr = ctx->locals[idx + chan + const_index * 4];
-
- LLVMBuildStore(ctx->ac.builder, value, temp_ptr);
- }
- }
- break;
-
- case nir_var_mem_global: {
- int writemask = instr->const_index[0];
- LLVMValueRef address = get_src(ctx, instr->src[0]);
- LLVMValueRef val = get_src(ctx, instr->src[1]);
-
- unsigned explicit_stride = glsl_get_explicit_stride(deref->type);
- unsigned natural_stride = type_scalar_size_bytes(deref->type);
- unsigned stride = explicit_stride ? explicit_stride : natural_stride;
- int elem_size_bytes = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(val)) / 8;
- bool split_stores = ctx->ac.chip_class == GFX6 && elem_size_bytes < 4;
-
- LLVMTypeRef ptr_type = LLVMPointerType(LLVMTypeOf(val),
- LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
- address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type , "");
-
- if (writemask == (1u << ac_get_llvm_num_components(val)) - 1 &&
- stride == natural_stride && !split_stores) {
- LLVMTypeRef ptr_type = LLVMPointerType(LLVMTypeOf(val),
- LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
- address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type , "");
-
- val = LLVMBuildBitCast(ctx->ac.builder, val,
- LLVMGetElementType(LLVMTypeOf(address)), "");
- LLVMValueRef store = LLVMBuildStore(ctx->ac.builder, val, address);
-
- if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
- LLVMSetOrdering(store, LLVMAtomicOrderingMonotonic);
- } else {
- LLVMTypeRef val_type = LLVMTypeOf(val);
- if (LLVMGetTypeKind(LLVMTypeOf(val)) == LLVMVectorTypeKind)
- val_type = LLVMGetElementType(val_type);
-
- LLVMTypeRef ptr_type = LLVMPointerType(val_type,
- LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
- address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type , "");
- for (unsigned chan = 0; chan < 4; chan++) {
- if (!(writemask & (1 << chan)))
- continue;
-
- LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, chan * stride / natural_stride, 0);
-
- LLVMValueRef ptr = ac_build_gep_ptr(&ctx->ac, address, offset);
- LLVMValueRef src = ac_llvm_extract_elem(&ctx->ac, val,
- chan);
- src = LLVMBuildBitCast(ctx->ac.builder, src,
- LLVMGetElementType(LLVMTypeOf(ptr)), "");
- LLVMValueRef store = LLVMBuildStore(ctx->ac.builder, src, ptr);
-
- if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
- LLVMSetOrdering(store, LLVMAtomicOrderingMonotonic);
- }
- }
- break;
- }
- default:
- abort();
- break;
- }
-
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7002);
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7002);
+ }
+
+ nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
+ nir_variable *var = nir_deref_instr_get_variable(deref);
+
+ LLVMValueRef temp_ptr, value;
+ int idx = 0;
+ unsigned comp = 0;
+ LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[1]));
+ int writemask = instr->const_index[0];
+ LLVMValueRef indir_index;
+ unsigned const_index;
+
+ if (var) {
+ get_deref_offset(ctx, deref, false, NULL, NULL, &const_index, &indir_index);
+ idx = var->data.driver_location;
+ comp = var->data.location_frac;
+
+ if (var->data.compact) {
+ const_index += comp;
+ comp = 0;
+ }
+ }
+
+ if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src)) == 64 &&
+ (deref->mode == nir_var_shader_out || deref->mode == nir_var_function_temp)) {
+
+ src = LLVMBuildBitCast(ctx->ac.builder, src,
+ LLVMVectorType(ctx->ac.f32, ac_get_llvm_num_components(src) * 2), "");
+
+ writemask = widen_mask(writemask, 2);
+ }
+
+ writemask = writemask << comp;
+
+ switch (deref->mode) {
+ case nir_var_shader_out:
+ /* TODO: remove this after RADV switches to lowered IO */
+ if (ctx->stage == MESA_SHADER_TESS_CTRL) {
+ LLVMValueRef vertex_index = NULL;
+ LLVMValueRef indir_index = NULL;
+ unsigned const_index = 0;
+ const bool is_patch = var->data.patch ||
+ var->data.location == VARYING_SLOT_TESS_LEVEL_INNER ||
+ var->data.location == VARYING_SLOT_TESS_LEVEL_OUTER;
+
+ get_deref_offset(ctx, deref, false, NULL, is_patch ? NULL : &vertex_index, &const_index,
+ &indir_index);
+
+ ctx->abi->store_tcs_outputs(ctx->abi, var, vertex_index, indir_index, const_index, src,
+ writemask, var->data.location_frac, var->data.driver_location);
+ break;
+ }
+
+ for (unsigned chan = 0; chan < 8; chan++) {
+ int stride = 4;
+ if (!(writemask & (1 << chan)))
+ continue;
+
+ value = ac_llvm_extract_elem(&ctx->ac, src, chan - comp);
+
+ if (var->data.compact)
+ stride = 1;
+ if (indir_index) {
+ unsigned count = glsl_count_attribute_slots(var->type, false);
+ count -= chan / 4;
+ LLVMValueRef tmp_vec = ac_build_gather_values_extended(
+ &ctx->ac, ctx->abi->outputs + idx + chan, count, stride, true, true);
+
+ tmp_vec = LLVMBuildInsertElement(ctx->ac.builder, tmp_vec, value, indir_index, "");
+ build_store_values_extended(&ctx->ac, ctx->abi->outputs + idx + chan, count, stride,
+ tmp_vec);
+
+ } else {
+ temp_ptr = ctx->abi->outputs[idx + chan + const_index * stride];
+
+ LLVMBuildStore(ctx->ac.builder, value, temp_ptr);
+ }
+ }
+ break;
+ case nir_var_function_temp:
+ for (unsigned chan = 0; chan < 8; chan++) {
+ if (!(writemask & (1 << chan)))
+ continue;
+
+ value = ac_llvm_extract_elem(&ctx->ac, src, chan);
+ if (indir_index) {
+ unsigned count = glsl_count_attribute_slots(var->type, false);
+ count -= chan / 4;
+ LLVMValueRef tmp_vec = ac_build_gather_values_extended(
+ &ctx->ac, ctx->locals + idx + chan, count, 4, true, true);
+
+ tmp_vec = LLVMBuildInsertElement(ctx->ac.builder, tmp_vec, value, indir_index, "");
+ build_store_values_extended(&ctx->ac, ctx->locals + idx + chan, count, 4, tmp_vec);
+ } else {
+ temp_ptr = ctx->locals[idx + chan + const_index * 4];
+
+ LLVMBuildStore(ctx->ac.builder, value, temp_ptr);
+ }
+ }
+ break;
+
+ case nir_var_mem_global: {
+ int writemask = instr->const_index[0];
+ LLVMValueRef address = get_src(ctx, instr->src[0]);
+ LLVMValueRef val = get_src(ctx, instr->src[1]);
+
+ unsigned explicit_stride = glsl_get_explicit_stride(deref->type);
+ unsigned natural_stride = type_scalar_size_bytes(deref->type);
+ unsigned stride = explicit_stride ? explicit_stride : natural_stride;
+ int elem_size_bytes = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(val)) / 8;
+ bool split_stores = ctx->ac.chip_class == GFX6 && elem_size_bytes < 4;
+
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(LLVMTypeOf(val), LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
+ address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type, "");
+
+ if (writemask == (1u << ac_get_llvm_num_components(val)) - 1 && stride == natural_stride &&
+ !split_stores) {
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(LLVMTypeOf(val), LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
+ address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type, "");
+
+ val = LLVMBuildBitCast(ctx->ac.builder, val, LLVMGetElementType(LLVMTypeOf(address)), "");
+ LLVMValueRef store = LLVMBuildStore(ctx->ac.builder, val, address);
+
+ if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
+ LLVMSetOrdering(store, LLVMAtomicOrderingMonotonic);
+ } else {
+ LLVMTypeRef val_type = LLVMTypeOf(val);
+ if (LLVMGetTypeKind(LLVMTypeOf(val)) == LLVMVectorTypeKind)
+ val_type = LLVMGetElementType(val_type);
+
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(val_type, LLVMGetPointerAddressSpace(LLVMTypeOf(address)));
+ address = LLVMBuildBitCast(ctx->ac.builder, address, ptr_type, "");
+ for (unsigned chan = 0; chan < 4; chan++) {
+ if (!(writemask & (1 << chan)))
+ continue;
+
+ LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, chan * stride / natural_stride, 0);
+
+ LLVMValueRef ptr = ac_build_gep_ptr(&ctx->ac, address, offset);
+ LLVMValueRef src = ac_llvm_extract_elem(&ctx->ac, val, chan);
+ src = LLVMBuildBitCast(ctx->ac.builder, src, LLVMGetElementType(LLVMTypeOf(ptr)), "");
+ LLVMValueRef store = LLVMBuildStore(ctx->ac.builder, src, ptr);
+
+ if (nir_intrinsic_access(instr) & (ACCESS_COHERENT | ACCESS_VOLATILE))
+ LLVMSetOrdering(store, LLVMAtomicOrderingMonotonic);
+ }
+ }
+ break;
+ }
+ default:
+ abort();
+ break;
+ }
+
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7002);
}
-static void
-visit_store_output(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
+static void visit_store_output(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7002);
- }
-
- unsigned base = nir_intrinsic_base(instr);
- unsigned writemask = nir_intrinsic_write_mask(instr);
- unsigned component = nir_intrinsic_component(instr);
- LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[0]));
- nir_src offset = *nir_get_io_offset_src(instr);
- LLVMValueRef indir_index = NULL;
-
- if (nir_src_is_const(offset))
- assert(nir_src_as_uint(offset) == 0);
- else
- indir_index = get_src(ctx, offset);
-
- switch (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src))) {
- case 32:
- break;
- case 64:
- writemask = widen_mask(writemask, 2);
- src = LLVMBuildBitCast(ctx->ac.builder, src,
- LLVMVectorType(ctx->ac.f32, ac_get_llvm_num_components(src) * 2),
- "");
- break;
- default:
- unreachable("unhandled store_output bit size");
- return;
- }
-
- writemask <<= component;
-
- if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- nir_src *vertex_index_src = nir_get_io_vertex_index_src(instr);
- LLVMValueRef vertex_index =
- vertex_index_src ? get_src(ctx, *vertex_index_src) : NULL;
-
- ctx->abi->store_tcs_outputs(ctx->abi, NULL,
- vertex_index, indir_index,
- 0, src, writemask,
- component, base * 4);
- return;
- }
-
- /* No indirect indexing is allowed after this point. */
- assert(!indir_index);
-
- for (unsigned chan = 0; chan < 8; chan++) {
- if (!(writemask & (1 << chan)))
- continue;
-
- LLVMValueRef value = ac_llvm_extract_elem(&ctx->ac, src, chan - component);
- LLVMBuildStore(ctx->ac.builder, value,
- ctx->abi->outputs[base * 4 + chan]);
- }
-
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7002);
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7002);
+ }
+
+ unsigned base = nir_intrinsic_base(instr);
+ unsigned writemask = nir_intrinsic_write_mask(instr);
+ unsigned component = nir_intrinsic_component(instr);
+ LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[0]));
+ nir_src offset = *nir_get_io_offset_src(instr);
+ LLVMValueRef indir_index = NULL;
+
+ if (nir_src_is_const(offset))
+ assert(nir_src_as_uint(offset) == 0);
+ else
+ indir_index = get_src(ctx, offset);
+
+ switch (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src))) {
+ case 32:
+ break;
+ case 64:
+ writemask = widen_mask(writemask, 2);
+ src = LLVMBuildBitCast(ctx->ac.builder, src,
+ LLVMVectorType(ctx->ac.f32, ac_get_llvm_num_components(src) * 2), "");
+ break;
+ default:
+ unreachable("unhandled store_output bit size");
+ return;
+ }
+
+ writemask <<= component;
+
+ if (ctx->stage == MESA_SHADER_TESS_CTRL) {
+ nir_src *vertex_index_src = nir_get_io_vertex_index_src(instr);
+ LLVMValueRef vertex_index = vertex_index_src ? get_src(ctx, *vertex_index_src) : NULL;
+
+ ctx->abi->store_tcs_outputs(ctx->abi, NULL, vertex_index, indir_index, 0, src, writemask,
+ component, base * 4);
+ return;
+ }
+
+ /* No indirect indexing is allowed after this point. */
+ assert(!indir_index);
+
+ for (unsigned chan = 0; chan < 8; chan++) {
+ if (!(writemask & (1 << chan)))
+ continue;
+
+ LLVMValueRef value = ac_llvm_extract_elem(&ctx->ac, src, chan - component);
+ LLVMBuildStore(ctx->ac.builder, value, ctx->abi->outputs[base * 4 + chan]);
+ }
+
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7002);
}
static int image_type_to_components_count(enum glsl_sampler_dim dim, bool array)
{
- switch (dim) {
- case GLSL_SAMPLER_DIM_BUF:
- return 1;
- case GLSL_SAMPLER_DIM_1D:
- return array ? 2 : 1;
- case GLSL_SAMPLER_DIM_2D:
- return array ? 3 : 2;
- case GLSL_SAMPLER_DIM_MS:
- return array ? 4 : 3;
- case GLSL_SAMPLER_DIM_3D:
- case GLSL_SAMPLER_DIM_CUBE:
- return 3;
- case GLSL_SAMPLER_DIM_RECT:
- case GLSL_SAMPLER_DIM_SUBPASS:
- return 2;
- case GLSL_SAMPLER_DIM_SUBPASS_MS:
- return 3;
- default:
- break;
- }
- return 0;
+ switch (dim) {
+ case GLSL_SAMPLER_DIM_BUF:
+ return 1;
+ case GLSL_SAMPLER_DIM_1D:
+ return array ? 2 : 1;
+ case GLSL_SAMPLER_DIM_2D:
+ return array ? 3 : 2;
+ case GLSL_SAMPLER_DIM_MS:
+ return array ? 4 : 3;
+ case GLSL_SAMPLER_DIM_3D:
+ case GLSL_SAMPLER_DIM_CUBE:
+ return 3;
+ case GLSL_SAMPLER_DIM_RECT:
+ case GLSL_SAMPLER_DIM_SUBPASS:
+ return 2;
+ case GLSL_SAMPLER_DIM_SUBPASS_MS:
+ return 3;
+ default:
+ break;
+ }
+ return 0;
}
static LLVMValueRef adjust_sample_index_using_fmask(struct ac_llvm_context *ctx,
- LLVMValueRef coord_x, LLVMValueRef coord_y,
- LLVMValueRef coord_z,
- LLVMValueRef sample_index,
- LLVMValueRef fmask_desc_ptr)
+ LLVMValueRef coord_x, LLVMValueRef coord_y,
+ LLVMValueRef coord_z, LLVMValueRef sample_index,
+ LLVMValueRef fmask_desc_ptr)
{
- unsigned sample_chan = coord_z ? 3 : 2;
- LLVMValueRef addr[4] = {coord_x, coord_y, coord_z};
- addr[sample_chan] = sample_index;
+ unsigned sample_chan = coord_z ? 3 : 2;
+ LLVMValueRef addr[4] = {coord_x, coord_y, coord_z};
+ addr[sample_chan] = sample_index;
- ac_apply_fmask_to_sample(ctx, fmask_desc_ptr, addr, coord_z != NULL);
- return addr[sample_chan];
+ ac_apply_fmask_to_sample(ctx, fmask_desc_ptr, addr, coord_z != NULL);
+ return addr[sample_chan];
}
static nir_deref_instr *get_image_deref(const nir_intrinsic_instr *instr)
{
- assert(instr->src[0].is_ssa);
- return nir_instr_as_deref(instr->src[0].ssa->parent_instr);
+ assert(instr->src[0].is_ssa);
+ return nir_instr_as_deref(instr->src[0].ssa->parent_instr);
}
static LLVMValueRef get_image_descriptor(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr,
LLVMValueRef dynamic_index,
- enum ac_descriptor_type desc_type,
- bool write)
+ enum ac_descriptor_type desc_type, bool write)
{
- nir_deref_instr *deref_instr =
- instr->src[0].ssa->parent_instr->type == nir_instr_type_deref ?
- nir_instr_as_deref(instr->src[0].ssa->parent_instr) : NULL;
+ nir_deref_instr *deref_instr = instr->src[0].ssa->parent_instr->type == nir_instr_type_deref
+ ? nir_instr_as_deref(instr->src[0].ssa->parent_instr)
+ : NULL;
- return get_sampler_desc(ctx, deref_instr, desc_type, &instr->instr, dynamic_index, true, write);
+ return get_sampler_desc(ctx, deref_instr, desc_type, &instr->instr, dynamic_index, true, write);
}
-static void get_image_coords(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- LLVMValueRef dynamic_desc_index,
- struct ac_image_args *args,
- enum glsl_sampler_dim dim,
- bool is_array)
+static void get_image_coords(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ LLVMValueRef dynamic_desc_index, struct ac_image_args *args,
+ enum glsl_sampler_dim dim, bool is_array)
{
- LLVMValueRef src0 = get_src(ctx, instr->src[1]);
- LLVMValueRef masks[] = {
- LLVMConstInt(ctx->ac.i32, 0, false), LLVMConstInt(ctx->ac.i32, 1, false),
- LLVMConstInt(ctx->ac.i32, 2, false), LLVMConstInt(ctx->ac.i32, 3, false),
- };
- LLVMValueRef sample_index = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[2]), 0);
-
- int count;
- ASSERTED bool add_frag_pos = (dim == GLSL_SAMPLER_DIM_SUBPASS ||
- dim == GLSL_SAMPLER_DIM_SUBPASS_MS);
- bool is_ms = (dim == GLSL_SAMPLER_DIM_MS ||
- dim == GLSL_SAMPLER_DIM_SUBPASS_MS);
- bool gfx9_1d = ctx->ac.chip_class == GFX9 && dim == GLSL_SAMPLER_DIM_1D;
- assert(!add_frag_pos && "Input attachments should be lowered by this point.");
- count = image_type_to_components_count(dim, is_array);
-
- if (is_ms && (instr->intrinsic == nir_intrinsic_image_deref_load ||
- instr->intrinsic == nir_intrinsic_bindless_image_load)) {
- LLVMValueRef fmask_load_address[3];
-
- fmask_load_address[0] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[0], "");
- fmask_load_address[1] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[1], "");
- if (is_array)
- fmask_load_address[2] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[2], "");
- else
- fmask_load_address[2] = NULL;
-
- sample_index = adjust_sample_index_using_fmask(&ctx->ac,
- fmask_load_address[0],
- fmask_load_address[1],
- fmask_load_address[2],
- sample_index,
- get_sampler_desc(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr),
- AC_DESC_FMASK, &instr->instr, dynamic_desc_index, true, false));
- }
- if (count == 1 && !gfx9_1d) {
- if (instr->src[1].ssa->num_components)
- args->coords[0] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[0], "");
- else
- args->coords[0] = src0;
- } else {
- int chan;
- if (is_ms)
- count--;
- for (chan = 0; chan < count; ++chan) {
- args->coords[chan] = ac_llvm_extract_elem(&ctx->ac, src0, chan);
- }
-
- if (gfx9_1d) {
- if (is_array) {
- args->coords[2] = args->coords[1];
- args->coords[1] = ctx->ac.i32_0;
- } else
- args->coords[1] = ctx->ac.i32_0;
- count++;
- }
- if (ctx->ac.chip_class == GFX9 &&
- dim == GLSL_SAMPLER_DIM_2D &&
- !is_array) {
- /* The hw can't bind a slice of a 3D image as a 2D
- * image, because it ignores BASE_ARRAY if the target
- * is 3D. The workaround is to read BASE_ARRAY and set
- * it as the 3rd address operand for all 2D images.
- */
- LLVMValueRef first_layer, const5, mask;
-
- const5 = LLVMConstInt(ctx->ac.i32, 5, 0);
- mask = LLVMConstInt(ctx->ac.i32, S_008F24_BASE_ARRAY(~0), 0);
- first_layer = LLVMBuildExtractElement(ctx->ac.builder, args->resource, const5, "");
- first_layer = LLVMBuildAnd(ctx->ac.builder, first_layer, mask, "");
-
- args->coords[count] = first_layer;
- count++;
- }
-
-
- if (is_ms) {
- args->coords[count] = sample_index;
- count++;
- }
- }
+ LLVMValueRef src0 = get_src(ctx, instr->src[1]);
+ LLVMValueRef masks[] = {
+ LLVMConstInt(ctx->ac.i32, 0, false),
+ LLVMConstInt(ctx->ac.i32, 1, false),
+ LLVMConstInt(ctx->ac.i32, 2, false),
+ LLVMConstInt(ctx->ac.i32, 3, false),
+ };
+ LLVMValueRef sample_index = ac_llvm_extract_elem(&ctx->ac, get_src(ctx, instr->src[2]), 0);
+
+ int count;
+ ASSERTED bool add_frag_pos =
+ (dim == GLSL_SAMPLER_DIM_SUBPASS || dim == GLSL_SAMPLER_DIM_SUBPASS_MS);
+ bool is_ms = (dim == GLSL_SAMPLER_DIM_MS || dim == GLSL_SAMPLER_DIM_SUBPASS_MS);
+ bool gfx9_1d = ctx->ac.chip_class == GFX9 && dim == GLSL_SAMPLER_DIM_1D;
+ assert(!add_frag_pos && "Input attachments should be lowered by this point.");
+ count = image_type_to_components_count(dim, is_array);
+
+ if (is_ms && (instr->intrinsic == nir_intrinsic_image_deref_load ||
+ instr->intrinsic == nir_intrinsic_bindless_image_load)) {
+ LLVMValueRef fmask_load_address[3];
+
+ fmask_load_address[0] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[0], "");
+ fmask_load_address[1] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[1], "");
+ if (is_array)
+ fmask_load_address[2] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[2], "");
+ else
+ fmask_load_address[2] = NULL;
+
+ sample_index = adjust_sample_index_using_fmask(
+ &ctx->ac, fmask_load_address[0], fmask_load_address[1], fmask_load_address[2],
+ sample_index,
+ get_sampler_desc(ctx, nir_instr_as_deref(instr->src[0].ssa->parent_instr), AC_DESC_FMASK,
+ &instr->instr, dynamic_desc_index, true, false));
+ }
+ if (count == 1 && !gfx9_1d) {
+ if (instr->src[1].ssa->num_components)
+ args->coords[0] = LLVMBuildExtractElement(ctx->ac.builder, src0, masks[0], "");
+ else
+ args->coords[0] = src0;
+ } else {
+ int chan;
+ if (is_ms)
+ count--;
+ for (chan = 0; chan < count; ++chan) {
+ args->coords[chan] = ac_llvm_extract_elem(&ctx->ac, src0, chan);
+ }
+
+ if (gfx9_1d) {
+ if (is_array) {
+ args->coords[2] = args->coords[1];
+ args->coords[1] = ctx->ac.i32_0;
+ } else
+ args->coords[1] = ctx->ac.i32_0;
+ count++;
+ }
+ if (ctx->ac.chip_class == GFX9 && dim == GLSL_SAMPLER_DIM_2D && !is_array) {
+ /* The hw can't bind a slice of a 3D image as a 2D
+ * image, because it ignores BASE_ARRAY if the target
+ * is 3D. The workaround is to read BASE_ARRAY and set
+ * it as the 3rd address operand for all 2D images.
+ */
+ LLVMValueRef first_layer, const5, mask;
+
+ const5 = LLVMConstInt(ctx->ac.i32, 5, 0);
+ mask = LLVMConstInt(ctx->ac.i32, S_008F24_BASE_ARRAY(~0), 0);
+ first_layer = LLVMBuildExtractElement(ctx->ac.builder, args->resource, const5, "");
+ first_layer = LLVMBuildAnd(ctx->ac.builder, first_layer, mask, "");
+
+ args->coords[count] = first_layer;
+ count++;
+ }
+
+ if (is_ms) {
+ args->coords[count] = sample_index;
+ count++;
+ }
+ }
}
static LLVMValueRef get_image_buffer_descriptor(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr,
- LLVMValueRef dynamic_index,
- bool write, bool atomic)
+ LLVMValueRef dynamic_index, bool write, bool atomic)
{
- LLVMValueRef rsrc = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_BUFFER, write);
- if (ctx->ac.chip_class == GFX9 && LLVM_VERSION_MAJOR < 9 && atomic) {
- LLVMValueRef elem_count = LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 2, 0), "");
- LLVMValueRef stride = LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 1, 0), "");
- stride = LLVMBuildLShr(ctx->ac.builder, stride, LLVMConstInt(ctx->ac.i32, 16, 0), "");
-
- LLVMValueRef new_elem_count = LLVMBuildSelect(ctx->ac.builder,
- LLVMBuildICmp(ctx->ac.builder, LLVMIntUGT, elem_count, stride, ""),
- elem_count, stride, "");
-
- rsrc = LLVMBuildInsertElement(ctx->ac.builder, rsrc, new_elem_count,
- LLVMConstInt(ctx->ac.i32, 2, 0), "");
- }
- return rsrc;
+ LLVMValueRef rsrc = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_BUFFER, write);
+ if (ctx->ac.chip_class == GFX9 && LLVM_VERSION_MAJOR < 9 && atomic) {
+ LLVMValueRef elem_count =
+ LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 2, 0), "");
+ LLVMValueRef stride =
+ LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 1, 0), "");
+ stride = LLVMBuildLShr(ctx->ac.builder, stride, LLVMConstInt(ctx->ac.i32, 16, 0), "");
+
+ LLVMValueRef new_elem_count = LLVMBuildSelect(
+ ctx->ac.builder, LLVMBuildICmp(ctx->ac.builder, LLVMIntUGT, elem_count, stride, ""),
+ elem_count, stride, "");
+
+ rsrc = LLVMBuildInsertElement(ctx->ac.builder, rsrc, new_elem_count,
+ LLVMConstInt(ctx->ac.i32, 2, 0), "");
+ }
+ return rsrc;
}
static LLVMValueRef enter_waterfall_image(struct ac_nir_context *ctx,
- struct waterfall_context *wctx,
- const nir_intrinsic_instr *instr)
+ struct waterfall_context *wctx,
+ const nir_intrinsic_instr *instr)
{
- nir_deref_instr *deref_instr = NULL;
+ nir_deref_instr *deref_instr = NULL;
- if (instr->src[0].ssa->parent_instr->type == nir_instr_type_deref)
- deref_instr = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
+ if (instr->src[0].ssa->parent_instr->type == nir_instr_type_deref)
+ deref_instr = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
- LLVMValueRef value = get_sampler_desc_index(ctx, deref_instr, &instr->instr, true);
- return enter_waterfall(ctx, wctx, value, nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
+ LLVMValueRef value = get_sampler_desc_index(ctx, deref_instr, &instr->instr, true);
+ return enter_waterfall(ctx, wctx, value, nir_intrinsic_access(instr) & ACCESS_NON_UNIFORM);
}
-static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- bool bindless)
+static LLVMValueRef visit_image_load(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ bool bindless)
{
- LLVMValueRef res;
-
- enum glsl_sampler_dim dim;
- enum gl_access_qualifier access = nir_intrinsic_access(instr);
- bool is_array;
- if (bindless) {
- dim = nir_intrinsic_image_dim(instr);
- is_array = nir_intrinsic_image_array(instr);
- } else {
- const nir_deref_instr *image_deref = get_image_deref(instr);
- const struct glsl_type *type = image_deref->type;
- const nir_variable *var = nir_deref_instr_get_variable(image_deref);
- dim = glsl_get_sampler_dim(type);
- access |= var->data.access;
- is_array = glsl_sampler_type_is_array(type);
- }
-
- struct waterfall_context wctx;
- LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
-
- struct ac_image_args args = {};
-
- args.cache_policy = get_cache_policy(ctx, access, false, false);
-
- if (dim == GLSL_SAMPLER_DIM_BUF) {
- unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
- unsigned num_channels = util_last_bit(mask);
- LLVMValueRef rsrc, vindex;
-
- rsrc = get_image_buffer_descriptor(ctx, instr, dynamic_index, false, false);
- vindex = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
- ctx->ac.i32_0, "");
-
- assert(instr->dest.is_ssa);
- bool can_speculate = access & ACCESS_CAN_REORDER;
- res = ac_build_buffer_load_format(&ctx->ac, rsrc, vindex,
- ctx->ac.i32_0, num_channels,
- args.cache_policy,
- can_speculate,
- instr->dest.ssa.bit_size == 16);
- res = ac_build_expand_to_vec4(&ctx->ac, res, num_channels);
-
- res = ac_trim_vector(&ctx->ac, res, instr->dest.ssa.num_components);
- res = ac_to_integer(&ctx->ac, res);
- } else {
- bool level_zero = nir_src_is_const(instr->src[3]) && nir_src_as_uint(instr->src[3]) == 0;
-
- args.opcode = level_zero ? ac_image_load : ac_image_load_mip;
- args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
- get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
- args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
- if (!level_zero)
- args.lod = get_src(ctx, instr->src[3]);
- args.dmask = 15;
- args.attributes = AC_FUNC_ATTR_READONLY;
-
- assert(instr->dest.is_ssa);
- args.d16 = instr->dest.ssa.bit_size == 16;
-
- res = ac_build_image_opcode(&ctx->ac, &args);
- }
- return exit_waterfall(ctx, &wctx, res);
+ LLVMValueRef res;
+
+ enum glsl_sampler_dim dim;
+ enum gl_access_qualifier access = nir_intrinsic_access(instr);
+ bool is_array;
+ if (bindless) {
+ dim = nir_intrinsic_image_dim(instr);
+ is_array = nir_intrinsic_image_array(instr);
+ } else {
+ const nir_deref_instr *image_deref = get_image_deref(instr);
+ const struct glsl_type *type = image_deref->type;
+ const nir_variable *var = nir_deref_instr_get_variable(image_deref);
+ dim = glsl_get_sampler_dim(type);
+ access |= var->data.access;
+ is_array = glsl_sampler_type_is_array(type);
+ }
+
+ struct waterfall_context wctx;
+ LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
+
+ struct ac_image_args args = {};
+
+ args.cache_policy = get_cache_policy(ctx, access, false, false);
+
+ if (dim == GLSL_SAMPLER_DIM_BUF) {
+ unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
+ unsigned num_channels = util_last_bit(mask);
+ LLVMValueRef rsrc, vindex;
+
+ rsrc = get_image_buffer_descriptor(ctx, instr, dynamic_index, false, false);
+ vindex =
+ LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]), ctx->ac.i32_0, "");
+
+ assert(instr->dest.is_ssa);
+ bool can_speculate = access & ACCESS_CAN_REORDER;
+ res = ac_build_buffer_load_format(&ctx->ac, rsrc, vindex, ctx->ac.i32_0, num_channels,
+ args.cache_policy, can_speculate,
+ instr->dest.ssa.bit_size == 16);
+ res = ac_build_expand_to_vec4(&ctx->ac, res, num_channels);
+
+ res = ac_trim_vector(&ctx->ac, res, instr->dest.ssa.num_components);
+ res = ac_to_integer(&ctx->ac, res);
+ } else {
+ bool level_zero = nir_src_is_const(instr->src[3]) && nir_src_as_uint(instr->src[3]) == 0;
+
+ args.opcode = level_zero ? ac_image_load : ac_image_load_mip;
+ args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
+ get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
+ args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
+ if (!level_zero)
+ args.lod = get_src(ctx, instr->src[3]);
+ args.dmask = 15;
+ args.attributes = AC_FUNC_ATTR_READONLY;
+
+ assert(instr->dest.is_ssa);
+ args.d16 = instr->dest.ssa.bit_size == 16;
+
+ res = ac_build_image_opcode(&ctx->ac, &args);
+ }
+ return exit_waterfall(ctx, &wctx, res);
}
-static void visit_image_store(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- bool bindless)
+static void visit_image_store(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ bool bindless)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7003);
- }
-
- enum glsl_sampler_dim dim;
- enum gl_access_qualifier access = nir_intrinsic_access(instr);
- bool is_array;
-
- if (bindless) {
- dim = nir_intrinsic_image_dim(instr);
- is_array = nir_intrinsic_image_array(instr);
- } else {
- const nir_deref_instr *image_deref = get_image_deref(instr);
- const struct glsl_type *type = image_deref->type;
- const nir_variable *var = nir_deref_instr_get_variable(image_deref);
- dim = glsl_get_sampler_dim(type);
- access |= var->data.access;
- is_array = glsl_sampler_type_is_array(type);
- }
-
- struct waterfall_context wctx;
- LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
-
- bool writeonly_memory = access & ACCESS_NON_READABLE;
- struct ac_image_args args = {};
-
- args.cache_policy = get_cache_policy(ctx, access, true, writeonly_memory);
-
- if (dim == GLSL_SAMPLER_DIM_BUF) {
- LLVMValueRef rsrc = get_image_buffer_descriptor(ctx, instr, dynamic_index, true, false);
- LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
- unsigned src_channels = ac_get_llvm_num_components(src);
- LLVMValueRef vindex;
-
- if (src_channels == 3)
- src = ac_build_expand_to_vec4(&ctx->ac, src, 3);
-
- vindex = LLVMBuildExtractElement(ctx->ac.builder,
- get_src(ctx, instr->src[1]),
- ctx->ac.i32_0, "");
-
- ac_build_buffer_store_format(&ctx->ac, rsrc, src, vindex,
- ctx->ac.i32_0, args.cache_policy);
- } else {
- bool level_zero = nir_src_is_const(instr->src[4]) && nir_src_as_uint(instr->src[4]) == 0;
-
- args.opcode = level_zero ? ac_image_store : ac_image_store_mip;
- args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
- args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, true);
- get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
- args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
- if (!level_zero)
- args.lod = get_src(ctx, instr->src[4]);
- args.dmask = 15;
- args.d16 = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(args.data[0])) == 16;
-
- ac_build_image_opcode(&ctx->ac, &args);
- }
-
- exit_waterfall(ctx, &wctx, NULL);
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7003);
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7003);
+ }
+
+ enum glsl_sampler_dim dim;
+ enum gl_access_qualifier access = nir_intrinsic_access(instr);
+ bool is_array;
+
+ if (bindless) {
+ dim = nir_intrinsic_image_dim(instr);
+ is_array = nir_intrinsic_image_array(instr);
+ } else {
+ const nir_deref_instr *image_deref = get_image_deref(instr);
+ const struct glsl_type *type = image_deref->type;
+ const nir_variable *var = nir_deref_instr_get_variable(image_deref);
+ dim = glsl_get_sampler_dim(type);
+ access |= var->data.access;
+ is_array = glsl_sampler_type_is_array(type);
+ }
+
+ struct waterfall_context wctx;
+ LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
+
+ bool writeonly_memory = access & ACCESS_NON_READABLE;
+ struct ac_image_args args = {};
+
+ args.cache_policy = get_cache_policy(ctx, access, true, writeonly_memory);
+
+ if (dim == GLSL_SAMPLER_DIM_BUF) {
+ LLVMValueRef rsrc = get_image_buffer_descriptor(ctx, instr, dynamic_index, true, false);
+ LLVMValueRef src = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
+ unsigned src_channels = ac_get_llvm_num_components(src);
+ LLVMValueRef vindex;
+
+ if (src_channels == 3)
+ src = ac_build_expand_to_vec4(&ctx->ac, src, 3);
+
+ vindex =
+ LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]), ctx->ac.i32_0, "");
+
+ ac_build_buffer_store_format(&ctx->ac, rsrc, src, vindex, ctx->ac.i32_0, args.cache_policy);
+ } else {
+ bool level_zero = nir_src_is_const(instr->src[4]) && nir_src_as_uint(instr->src[4]) == 0;
+
+ args.opcode = level_zero ? ac_image_store : ac_image_store_mip;
+ args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
+ args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, true);
+ get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
+ args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
+ if (!level_zero)
+ args.lod = get_src(ctx, instr->src[4]);
+ args.dmask = 15;
+ args.d16 = ac_get_elem_bits(&ctx->ac, LLVMTypeOf(args.data[0])) == 16;
+
+ ac_build_image_opcode(&ctx->ac, &args);
+ }
+
+ exit_waterfall(ctx, &wctx, NULL);
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7003);
}
-static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- bool bindless)
+static LLVMValueRef visit_image_atomic(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ bool bindless)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7004);
- }
-
- LLVMValueRef params[7];
- int param_count = 0;
-
- bool cmpswap = instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap ||
- instr->intrinsic == nir_intrinsic_bindless_image_atomic_comp_swap;
- const char *atomic_name;
- char intrinsic_name[64];
- enum ac_atomic_op atomic_subop;
- ASSERTED int length;
-
- enum glsl_sampler_dim dim;
- bool is_array;
- if (bindless) {
- if (instr->intrinsic == nir_intrinsic_bindless_image_atomic_imin ||
- instr->intrinsic == nir_intrinsic_bindless_image_atomic_umin ||
- instr->intrinsic == nir_intrinsic_bindless_image_atomic_imax ||
- instr->intrinsic == nir_intrinsic_bindless_image_atomic_umax) {
- ASSERTED const GLenum format = nir_intrinsic_format(instr);
- assert(format == GL_R32UI || format == GL_R32I);
- }
- dim = nir_intrinsic_image_dim(instr);
- is_array = nir_intrinsic_image_array(instr);
- } else {
- const struct glsl_type *type = get_image_deref(instr)->type;
- dim = glsl_get_sampler_dim(type);
- is_array = glsl_sampler_type_is_array(type);
- }
-
- struct waterfall_context wctx;
- LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
-
- switch (instr->intrinsic) {
- case nir_intrinsic_bindless_image_atomic_add:
- case nir_intrinsic_image_deref_atomic_add:
- atomic_name = "add";
- atomic_subop = ac_atomic_add;
- break;
- case nir_intrinsic_bindless_image_atomic_imin:
- case nir_intrinsic_image_deref_atomic_imin:
- atomic_name = "smin";
- atomic_subop = ac_atomic_smin;
- break;
- case nir_intrinsic_bindless_image_atomic_umin:
- case nir_intrinsic_image_deref_atomic_umin:
- atomic_name = "umin";
- atomic_subop = ac_atomic_umin;
- break;
- case nir_intrinsic_bindless_image_atomic_imax:
- case nir_intrinsic_image_deref_atomic_imax:
- atomic_name = "smax";
- atomic_subop = ac_atomic_smax;
- break;
- case nir_intrinsic_bindless_image_atomic_umax:
- case nir_intrinsic_image_deref_atomic_umax:
- atomic_name = "umax";
- atomic_subop = ac_atomic_umax;
- break;
- case nir_intrinsic_bindless_image_atomic_and:
- case nir_intrinsic_image_deref_atomic_and:
- atomic_name = "and";
- atomic_subop = ac_atomic_and;
- break;
- case nir_intrinsic_bindless_image_atomic_or:
- case nir_intrinsic_image_deref_atomic_or:
- atomic_name = "or";
- atomic_subop = ac_atomic_or;
- break;
- case nir_intrinsic_bindless_image_atomic_xor:
- case nir_intrinsic_image_deref_atomic_xor:
- atomic_name = "xor";
- atomic_subop = ac_atomic_xor;
- break;
- case nir_intrinsic_bindless_image_atomic_exchange:
- case nir_intrinsic_image_deref_atomic_exchange:
- atomic_name = "swap";
- atomic_subop = ac_atomic_swap;
- break;
- case nir_intrinsic_bindless_image_atomic_comp_swap:
- case nir_intrinsic_image_deref_atomic_comp_swap:
- atomic_name = "cmpswap";
- atomic_subop = 0; /* not used */
- break;
- case nir_intrinsic_bindless_image_atomic_inc_wrap:
- case nir_intrinsic_image_deref_atomic_inc_wrap: {
- atomic_name = "inc";
- atomic_subop = ac_atomic_inc_wrap;
- break;
- }
- case nir_intrinsic_bindless_image_atomic_dec_wrap:
- case nir_intrinsic_image_deref_atomic_dec_wrap:
- atomic_name = "dec";
- atomic_subop = ac_atomic_dec_wrap;
- break;
- default:
- abort();
- }
-
- if (cmpswap)
- params[param_count++] = get_src(ctx, instr->src[4]);
- params[param_count++] = get_src(ctx, instr->src[3]);
-
- LLVMValueRef result;
- if (dim == GLSL_SAMPLER_DIM_BUF) {
- params[param_count++] = get_image_buffer_descriptor(ctx, instr, dynamic_index, true, true);
- params[param_count++] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
- ctx->ac.i32_0, ""); /* vindex */
- params[param_count++] = ctx->ac.i32_0; /* voffset */
- if (LLVM_VERSION_MAJOR >= 9) {
- /* XXX: The new raw/struct atomic intrinsics are buggy
- * with LLVM 8, see r358579.
- */
- params[param_count++] = ctx->ac.i32_0; /* soffset */
- params[param_count++] = ctx->ac.i32_0; /* slc */
-
- length = snprintf(intrinsic_name, sizeof(intrinsic_name),
- "llvm.amdgcn.struct.buffer.atomic.%s.i32", atomic_name);
- } else {
- params[param_count++] = ctx->ac.i1false; /* slc */
-
- length = snprintf(intrinsic_name, sizeof(intrinsic_name),
- "llvm.amdgcn.buffer.atomic.%s", atomic_name);
- }
-
- assert(length < sizeof(intrinsic_name));
- result = ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->ac.i32,
- params, param_count, 0);
- } else {
- struct ac_image_args args = {};
- args.opcode = cmpswap ? ac_image_atomic_cmpswap : ac_image_atomic;
- args.atomic = atomic_subop;
- args.data[0] = params[0];
- if (cmpswap)
- args.data[1] = params[1];
- args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, true);
- get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
- args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
-
- result = ac_build_image_opcode(&ctx->ac, &args);
- }
-
- result = exit_waterfall(ctx, &wctx, result);
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7004);
- return result;
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7004);
+ }
+
+ LLVMValueRef params[7];
+ int param_count = 0;
+
+ bool cmpswap = instr->intrinsic == nir_intrinsic_image_deref_atomic_comp_swap ||
+ instr->intrinsic == nir_intrinsic_bindless_image_atomic_comp_swap;
+ const char *atomic_name;
+ char intrinsic_name[64];
+ enum ac_atomic_op atomic_subop;
+ ASSERTED int length;
+
+ enum glsl_sampler_dim dim;
+ bool is_array;
+ if (bindless) {
+ if (instr->intrinsic == nir_intrinsic_bindless_image_atomic_imin ||
+ instr->intrinsic == nir_intrinsic_bindless_image_atomic_umin ||
+ instr->intrinsic == nir_intrinsic_bindless_image_atomic_imax ||
+ instr->intrinsic == nir_intrinsic_bindless_image_atomic_umax) {
+ ASSERTED const GLenum format = nir_intrinsic_format(instr);
+ assert(format == GL_R32UI || format == GL_R32I);
+ }
+ dim = nir_intrinsic_image_dim(instr);
+ is_array = nir_intrinsic_image_array(instr);
+ } else {
+ const struct glsl_type *type = get_image_deref(instr)->type;
+ dim = glsl_get_sampler_dim(type);
+ is_array = glsl_sampler_type_is_array(type);
+ }
+
+ struct waterfall_context wctx;
+ LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
+
+ switch (instr->intrinsic) {
+ case nir_intrinsic_bindless_image_atomic_add:
+ case nir_intrinsic_image_deref_atomic_add:
+ atomic_name = "add";
+ atomic_subop = ac_atomic_add;
+ break;
+ case nir_intrinsic_bindless_image_atomic_imin:
+ case nir_intrinsic_image_deref_atomic_imin:
+ atomic_name = "smin";
+ atomic_subop = ac_atomic_smin;
+ break;
+ case nir_intrinsic_bindless_image_atomic_umin:
+ case nir_intrinsic_image_deref_atomic_umin:
+ atomic_name = "umin";
+ atomic_subop = ac_atomic_umin;
+ break;
+ case nir_intrinsic_bindless_image_atomic_imax:
+ case nir_intrinsic_image_deref_atomic_imax:
+ atomic_name = "smax";
+ atomic_subop = ac_atomic_smax;
+ break;
+ case nir_intrinsic_bindless_image_atomic_umax:
+ case nir_intrinsic_image_deref_atomic_umax:
+ atomic_name = "umax";
+ atomic_subop = ac_atomic_umax;
+ break;
+ case nir_intrinsic_bindless_image_atomic_and:
+ case nir_intrinsic_image_deref_atomic_and:
+ atomic_name = "and";
+ atomic_subop = ac_atomic_and;
+ break;
+ case nir_intrinsic_bindless_image_atomic_or:
+ case nir_intrinsic_image_deref_atomic_or:
+ atomic_name = "or";
+ atomic_subop = ac_atomic_or;
+ break;
+ case nir_intrinsic_bindless_image_atomic_xor:
+ case nir_intrinsic_image_deref_atomic_xor:
+ atomic_name = "xor";
+ atomic_subop = ac_atomic_xor;
+ break;
+ case nir_intrinsic_bindless_image_atomic_exchange:
+ case nir_intrinsic_image_deref_atomic_exchange:
+ atomic_name = "swap";
+ atomic_subop = ac_atomic_swap;
+ break;
+ case nir_intrinsic_bindless_image_atomic_comp_swap:
+ case nir_intrinsic_image_deref_atomic_comp_swap:
+ atomic_name = "cmpswap";
+ atomic_subop = 0; /* not used */
+ break;
+ case nir_intrinsic_bindless_image_atomic_inc_wrap:
+ case nir_intrinsic_image_deref_atomic_inc_wrap: {
+ atomic_name = "inc";
+ atomic_subop = ac_atomic_inc_wrap;
+ break;
+ }
+ case nir_intrinsic_bindless_image_atomic_dec_wrap:
+ case nir_intrinsic_image_deref_atomic_dec_wrap:
+ atomic_name = "dec";
+ atomic_subop = ac_atomic_dec_wrap;
+ break;
+ default:
+ abort();
+ }
+
+ if (cmpswap)
+ params[param_count++] = get_src(ctx, instr->src[4]);
+ params[param_count++] = get_src(ctx, instr->src[3]);
+
+ LLVMValueRef result;
+ if (dim == GLSL_SAMPLER_DIM_BUF) {
+ params[param_count++] = get_image_buffer_descriptor(ctx, instr, dynamic_index, true, true);
+ params[param_count++] = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
+ ctx->ac.i32_0, ""); /* vindex */
+ params[param_count++] = ctx->ac.i32_0; /* voffset */
+ if (LLVM_VERSION_MAJOR >= 9) {
+ /* XXX: The new raw/struct atomic intrinsics are buggy
+ * with LLVM 8, see r358579.
+ */
+ params[param_count++] = ctx->ac.i32_0; /* soffset */
+ params[param_count++] = ctx->ac.i32_0; /* slc */
+
+ length = snprintf(intrinsic_name, sizeof(intrinsic_name),
+ "llvm.amdgcn.struct.buffer.atomic.%s.i32", atomic_name);
+ } else {
+ params[param_count++] = ctx->ac.i1false; /* slc */
+
+ length = snprintf(intrinsic_name, sizeof(intrinsic_name), "llvm.amdgcn.buffer.atomic.%s",
+ atomic_name);
+ }
+
+ assert(length < sizeof(intrinsic_name));
+ result = ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->ac.i32, params, param_count, 0);
+ } else {
+ struct ac_image_args args = {};
+ args.opcode = cmpswap ? ac_image_atomic_cmpswap : ac_image_atomic;
+ args.atomic = atomic_subop;
+ args.data[0] = params[0];
+ if (cmpswap)
+ args.data[1] = params[1];
+ args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, true);
+ get_image_coords(ctx, instr, dynamic_index, &args, dim, is_array);
+ args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
+
+ result = ac_build_image_opcode(&ctx->ac, &args);
+ }
+
+ result = exit_waterfall(ctx, &wctx, result);
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7004);
+ return result;
}
-static LLVMValueRef visit_image_samples(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static LLVMValueRef visit_image_samples(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- struct waterfall_context wctx;
- LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
- LLVMValueRef rsrc = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
+ struct waterfall_context wctx;
+ LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
+ LLVMValueRef rsrc = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
- LLVMValueRef ret = ac_build_image_get_sample_count(&ctx->ac, rsrc);
+ LLVMValueRef ret = ac_build_image_get_sample_count(&ctx->ac, rsrc);
- return exit_waterfall(ctx, &wctx, ret);
+ return exit_waterfall(ctx, &wctx, ret);
}
-static LLVMValueRef visit_image_size(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- bool bindless)
+static LLVMValueRef visit_image_size(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ bool bindless)
{
- LLVMValueRef res;
-
- enum glsl_sampler_dim dim;
- bool is_array;
- if (bindless) {
- dim = nir_intrinsic_image_dim(instr);
- is_array = nir_intrinsic_image_array(instr);
- } else {
- const struct glsl_type *type = get_image_deref(instr)->type;
- dim = glsl_get_sampler_dim(type);
- is_array = glsl_sampler_type_is_array(type);
- }
-
- struct waterfall_context wctx;
- LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
-
- if (dim == GLSL_SAMPLER_DIM_BUF) {
- res = get_buffer_size(ctx, get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_BUFFER, false), true);
- } else {
-
- struct ac_image_args args = { 0 };
-
- args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
- args.dmask = 0xf;
- args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
- args.opcode = ac_image_get_resinfo;
- assert(nir_src_as_uint(instr->src[1]) == 0);
- args.lod = ctx->ac.i32_0;
- args.attributes = AC_FUNC_ATTR_READNONE;
-
- res = ac_build_image_opcode(&ctx->ac, &args);
-
- LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
-
- if (dim == GLSL_SAMPLER_DIM_CUBE && is_array) {
- LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
- LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, res, two, "");
- z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
- res = LLVMBuildInsertElement(ctx->ac.builder, res, z, two, "");
- }
-
- if (ctx->ac.chip_class == GFX9 && dim == GLSL_SAMPLER_DIM_1D && is_array) {
- LLVMValueRef layers = LLVMBuildExtractElement(ctx->ac.builder, res, two, "");
- res = LLVMBuildInsertElement(ctx->ac.builder, res, layers,
- ctx->ac.i32_1, "");
- }
- }
- return exit_waterfall(ctx, &wctx, res);
+ LLVMValueRef res;
+
+ enum glsl_sampler_dim dim;
+ bool is_array;
+ if (bindless) {
+ dim = nir_intrinsic_image_dim(instr);
+ is_array = nir_intrinsic_image_array(instr);
+ } else {
+ const struct glsl_type *type = get_image_deref(instr)->type;
+ dim = glsl_get_sampler_dim(type);
+ is_array = glsl_sampler_type_is_array(type);
+ }
+
+ struct waterfall_context wctx;
+ LLVMValueRef dynamic_index = enter_waterfall_image(ctx, &wctx, instr);
+
+ if (dim == GLSL_SAMPLER_DIM_BUF) {
+ res = get_buffer_size(
+ ctx, get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_BUFFER, false), true);
+ } else {
+
+ struct ac_image_args args = {0};
+
+ args.dim = ac_get_image_dim(ctx->ac.chip_class, dim, is_array);
+ args.dmask = 0xf;
+ args.resource = get_image_descriptor(ctx, instr, dynamic_index, AC_DESC_IMAGE, false);
+ args.opcode = ac_image_get_resinfo;
+ assert(nir_src_as_uint(instr->src[1]) == 0);
+ args.lod = ctx->ac.i32_0;
+ args.attributes = AC_FUNC_ATTR_READNONE;
+
+ res = ac_build_image_opcode(&ctx->ac, &args);
+
+ LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
+
+ if (dim == GLSL_SAMPLER_DIM_CUBE && is_array) {
+ LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
+ LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, res, two, "");
+ z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
+ res = LLVMBuildInsertElement(ctx->ac.builder, res, z, two, "");
+ }
+
+ if (ctx->ac.chip_class == GFX9 && dim == GLSL_SAMPLER_DIM_1D && is_array) {
+ LLVMValueRef layers = LLVMBuildExtractElement(ctx->ac.builder, res, two, "");
+ res = LLVMBuildInsertElement(ctx->ac.builder, res, layers, ctx->ac.i32_1, "");
+ }
+ }
+ return exit_waterfall(ctx, &wctx, res);
}
-static void emit_membar(struct ac_llvm_context *ac,
- const nir_intrinsic_instr *instr)
+static void emit_membar(struct ac_llvm_context *ac, const nir_intrinsic_instr *instr)
{
- unsigned wait_flags = 0;
-
- switch (instr->intrinsic) {
- case nir_intrinsic_memory_barrier:
- case nir_intrinsic_group_memory_barrier:
- wait_flags = AC_WAIT_LGKM | AC_WAIT_VLOAD | AC_WAIT_VSTORE;
- break;
- case nir_intrinsic_memory_barrier_buffer:
- case nir_intrinsic_memory_barrier_image:
- wait_flags = AC_WAIT_VLOAD | AC_WAIT_VSTORE;
- break;
- case nir_intrinsic_memory_barrier_shared:
- wait_flags = AC_WAIT_LGKM;
- break;
- default:
- break;
- }
-
- ac_build_waitcnt(ac, wait_flags);
+ unsigned wait_flags = 0;
+
+ switch (instr->intrinsic) {
+ case nir_intrinsic_memory_barrier:
+ case nir_intrinsic_group_memory_barrier:
+ wait_flags = AC_WAIT_LGKM | AC_WAIT_VLOAD | AC_WAIT_VSTORE;
+ break;
+ case nir_intrinsic_memory_barrier_buffer:
+ case nir_intrinsic_memory_barrier_image:
+ wait_flags = AC_WAIT_VLOAD | AC_WAIT_VSTORE;
+ break;
+ case nir_intrinsic_memory_barrier_shared:
+ wait_flags = AC_WAIT_LGKM;
+ break;
+ default:
+ break;
+ }
+
+ ac_build_waitcnt(ac, wait_flags);
}
void ac_emit_barrier(struct ac_llvm_context *ac, gl_shader_stage stage)
{
- /* GFX6 only (thanks to a hw bug workaround):
- * The real barrier instruction isn’t needed, because an entire patch
- * always fits into a single wave.
- */
- if (ac->chip_class == GFX6 && stage == MESA_SHADER_TESS_CTRL) {
- ac_build_waitcnt(ac, AC_WAIT_LGKM | AC_WAIT_VLOAD | AC_WAIT_VSTORE);
- return;
- }
- ac_build_s_barrier(ac);
+ /* GFX6 only (thanks to a hw bug workaround):
+ * The real barrier instruction isn’t needed, because an entire patch
+ * always fits into a single wave.
+ */
+ if (ac->chip_class == GFX6 && stage == MESA_SHADER_TESS_CTRL) {
+ ac_build_waitcnt(ac, AC_WAIT_LGKM | AC_WAIT_VLOAD | AC_WAIT_VSTORE);
+ return;
+ }
+ ac_build_s_barrier(ac);
}
-static void emit_discard(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr)
+static void emit_discard(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr)
{
- LLVMValueRef cond;
-
- if (instr->intrinsic == nir_intrinsic_discard_if) {
- cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ,
- get_src(ctx, instr->src[0]),
- ctx->ac.i32_0, "");
- } else {
- assert(instr->intrinsic == nir_intrinsic_discard);
- cond = ctx->ac.i1false;
- }
-
- ac_build_kill_if_false(&ctx->ac, cond);
+ LLVMValueRef cond;
+
+ if (instr->intrinsic == nir_intrinsic_discard_if) {
+ cond =
+ LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, get_src(ctx, instr->src[0]), ctx->ac.i32_0, "");
+ } else {
+ assert(instr->intrinsic == nir_intrinsic_discard);
+ cond = ctx->ac.i1false;
+ }
+
+ ac_build_kill_if_false(&ctx->ac, cond);
}
-static void emit_demote(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr)
+static void emit_demote(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr)
{
- LLVMValueRef cond;
-
- if (instr->intrinsic == nir_intrinsic_demote_if) {
- cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ,
- get_src(ctx, instr->src[0]),
- ctx->ac.i32_0, "");
- } else {
- assert(instr->intrinsic == nir_intrinsic_demote);
- cond = ctx->ac.i1false;
- }
-
- /* Kill immediately while maintaining WQM. */
- ac_build_kill_if_false(&ctx->ac, ac_build_wqm_vote(&ctx->ac, cond));
-
- LLVMValueRef mask = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
- mask = LLVMBuildAnd(ctx->ac.builder, mask, cond, "");
- LLVMBuildStore(ctx->ac.builder, mask, ctx->ac.postponed_kill);
- return;
+ LLVMValueRef cond;
+
+ if (instr->intrinsic == nir_intrinsic_demote_if) {
+ cond =
+ LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, get_src(ctx, instr->src[0]), ctx->ac.i32_0, "");
+ } else {
+ assert(instr->intrinsic == nir_intrinsic_demote);
+ cond = ctx->ac.i1false;
+ }
+
+ /* Kill immediately while maintaining WQM. */
+ ac_build_kill_if_false(&ctx->ac, ac_build_wqm_vote(&ctx->ac, cond));
+
+ LLVMValueRef mask = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ mask = LLVMBuildAnd(ctx->ac.builder, mask, cond, "");
+ LLVMBuildStore(ctx->ac.builder, mask, ctx->ac.postponed_kill);
+ return;
}
-static LLVMValueRef
-visit_load_local_invocation_index(struct ac_nir_context *ctx)
+static LLVMValueRef visit_load_local_invocation_index(struct ac_nir_context *ctx)
{
- LLVMValueRef result;
- LLVMValueRef thread_id = ac_get_thread_id(&ctx->ac);
- result = LLVMBuildAnd(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->tg_size),
- LLVMConstInt(ctx->ac.i32, 0xfc0, false), "");
+ LLVMValueRef result;
+ LLVMValueRef thread_id = ac_get_thread_id(&ctx->ac);
+ result = LLVMBuildAnd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->tg_size),
+ LLVMConstInt(ctx->ac.i32, 0xfc0, false), "");
- if (ctx->ac.wave_size == 32)
- result = LLVMBuildLShr(ctx->ac.builder, result,
- LLVMConstInt(ctx->ac.i32, 1, false), "");
+ if (ctx->ac.wave_size == 32)
+ result = LLVMBuildLShr(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 1, false), "");
- return LLVMBuildAdd(ctx->ac.builder, result, thread_id, "");
+ return LLVMBuildAdd(ctx->ac.builder, result, thread_id, "");
}
-static LLVMValueRef
-visit_load_subgroup_id(struct ac_nir_context *ctx)
+static LLVMValueRef visit_load_subgroup_id(struct ac_nir_context *ctx)
{
- if (ctx->stage == MESA_SHADER_COMPUTE) {
- LLVMValueRef result;
- result = LLVMBuildAnd(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->tg_size),
- LLVMConstInt(ctx->ac.i32, 0xfc0, false), "");
- return LLVMBuildLShr(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 6, false), "");
- } else {
- return LLVMConstInt(ctx->ac.i32, 0, false);
- }
+ if (ctx->stage == MESA_SHADER_COMPUTE) {
+ LLVMValueRef result;
+ result = LLVMBuildAnd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->tg_size),
+ LLVMConstInt(ctx->ac.i32, 0xfc0, false), "");
+ return LLVMBuildLShr(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 6, false), "");
+ } else {
+ return LLVMConstInt(ctx->ac.i32, 0, false);
+ }
}
-static LLVMValueRef
-visit_load_num_subgroups(struct ac_nir_context *ctx)
+static LLVMValueRef visit_load_num_subgroups(struct ac_nir_context *ctx)
{
- if (ctx->stage == MESA_SHADER_COMPUTE) {
- return LLVMBuildAnd(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->tg_size),
- LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
- } else {
- return LLVMConstInt(ctx->ac.i32, 1, false);
- }
+ if (ctx->stage == MESA_SHADER_COMPUTE) {
+ return LLVMBuildAnd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->tg_size),
+ LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
+ } else {
+ return LLVMConstInt(ctx->ac.i32, 1, false);
+ }
}
-static LLVMValueRef
-visit_first_invocation(struct ac_nir_context *ctx)
+static LLVMValueRef visit_first_invocation(struct ac_nir_context *ctx)
{
- LLVMValueRef active_set = ac_build_ballot(&ctx->ac, ctx->ac.i32_1);
- const char *intr = ctx->ac.wave_size == 32 ? "llvm.cttz.i32" : "llvm.cttz.i64";
+ LLVMValueRef active_set = ac_build_ballot(&ctx->ac, ctx->ac.i32_1);
+ const char *intr = ctx->ac.wave_size == 32 ? "llvm.cttz.i32" : "llvm.cttz.i64";
- /* The second argument is whether cttz(0) should be defined, but we do not care. */
- LLVMValueRef args[] = {active_set, ctx->ac.i1false};
- LLVMValueRef result = ac_build_intrinsic(&ctx->ac, intr,
- ctx->ac.iN_wavemask, args, 2,
- AC_FUNC_ATTR_NOUNWIND |
- AC_FUNC_ATTR_READNONE);
+ /* The second argument is whether cttz(0) should be defined, but we do not care. */
+ LLVMValueRef args[] = {active_set, ctx->ac.i1false};
+ LLVMValueRef result = ac_build_intrinsic(&ctx->ac, intr, ctx->ac.iN_wavemask, args, 2,
+ AC_FUNC_ATTR_NOUNWIND | AC_FUNC_ATTR_READNONE);
- return LLVMBuildTrunc(ctx->ac.builder, result, ctx->ac.i32, "");
+ return LLVMBuildTrunc(ctx->ac.builder, result, ctx->ac.i32, "");
}
-static LLVMValueRef
-visit_load_shared(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr)
+static LLVMValueRef visit_load_shared(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr)
{
- LLVMValueRef values[4], derived_ptr, index, ret;
+ LLVMValueRef values[4], derived_ptr, index, ret;
- LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0],
- instr->dest.ssa.bit_size);
+ LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0], instr->dest.ssa.bit_size);
- for (int chan = 0; chan < instr->num_components; chan++) {
- index = LLVMConstInt(ctx->ac.i32, chan, 0);
- derived_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, "");
- values[chan] = LLVMBuildLoad(ctx->ac.builder, derived_ptr, "");
- }
+ for (int chan = 0; chan < instr->num_components; chan++) {
+ index = LLVMConstInt(ctx->ac.i32, chan, 0);
+ derived_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, "");
+ values[chan] = LLVMBuildLoad(ctx->ac.builder, derived_ptr, "");
+ }
- ret = ac_build_gather_values(&ctx->ac, values, instr->num_components);
- return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
+ ret = ac_build_gather_values(&ctx->ac, values, instr->num_components);
+ return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
}
-static void
-visit_store_shared(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr)
+static void visit_store_shared(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr)
{
- LLVMValueRef derived_ptr, data,index;
- LLVMBuilderRef builder = ctx->ac.builder;
-
- LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[1],
- instr->src[0].ssa->bit_size);
- LLVMValueRef src = get_src(ctx, instr->src[0]);
-
- int writemask = nir_intrinsic_write_mask(instr);
- for (int chan = 0; chan < 4; chan++) {
- if (!(writemask & (1 << chan))) {
- continue;
- }
- data = ac_llvm_extract_elem(&ctx->ac, src, chan);
- index = LLVMConstInt(ctx->ac.i32, chan, 0);
- derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
- LLVMBuildStore(builder, data, derived_ptr);
- }
+ LLVMValueRef derived_ptr, data, index;
+ LLVMBuilderRef builder = ctx->ac.builder;
+
+ LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[1], instr->src[0].ssa->bit_size);
+ LLVMValueRef src = get_src(ctx, instr->src[0]);
+
+ int writemask = nir_intrinsic_write_mask(instr);
+ for (int chan = 0; chan < 4; chan++) {
+ if (!(writemask & (1 << chan))) {
+ continue;
+ }
+ data = ac_llvm_extract_elem(&ctx->ac, src, chan);
+ index = LLVMConstInt(ctx->ac.i32, chan, 0);
+ derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
+ LLVMBuildStore(builder, data, derived_ptr);
+ }
}
-static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx,
- const nir_intrinsic_instr *instr,
- LLVMValueRef ptr, int src_idx)
+static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx, const nir_intrinsic_instr *instr,
+ LLVMValueRef ptr, int src_idx)
{
- if (ctx->ac.postponed_kill) {
- LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder,
- ctx->ac.postponed_kill, "");
- ac_build_ifcc(&ctx->ac, cond, 7005);
- }
-
- LLVMValueRef result;
- LLVMValueRef src = get_src(ctx, instr->src[src_idx]);
-
- const char *sync_scope = LLVM_VERSION_MAJOR >= 9 ? "workgroup-one-as" : "workgroup";
-
- if (instr->src[0].ssa->parent_instr->type == nir_instr_type_deref) {
- nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
- if (deref->mode == nir_var_mem_global) {
- /* use "singlethread" sync scope to implement relaxed ordering */
- sync_scope = LLVM_VERSION_MAJOR >= 9 ? "singlethread-one-as" : "singlethread";
-
- LLVMTypeRef ptr_type = LLVMPointerType(LLVMTypeOf(src), LLVMGetPointerAddressSpace(LLVMTypeOf(ptr)));
- ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ptr_type , "");
- }
- }
-
- if (instr->intrinsic == nir_intrinsic_shared_atomic_comp_swap ||
- instr->intrinsic == nir_intrinsic_deref_atomic_comp_swap) {
- LLVMValueRef src1 = get_src(ctx, instr->src[src_idx + 1]);
- result = ac_build_atomic_cmp_xchg(&ctx->ac, ptr, src, src1, sync_scope);
- result = LLVMBuildExtractValue(ctx->ac.builder, result, 0, "");
- } else {
- LLVMAtomicRMWBinOp op;
- switch (instr->intrinsic) {
- case nir_intrinsic_shared_atomic_add:
- case nir_intrinsic_deref_atomic_add:
- op = LLVMAtomicRMWBinOpAdd;
- break;
- case nir_intrinsic_shared_atomic_umin:
- case nir_intrinsic_deref_atomic_umin:
- op = LLVMAtomicRMWBinOpUMin;
- break;
- case nir_intrinsic_shared_atomic_umax:
- case nir_intrinsic_deref_atomic_umax:
- op = LLVMAtomicRMWBinOpUMax;
- break;
- case nir_intrinsic_shared_atomic_imin:
- case nir_intrinsic_deref_atomic_imin:
- op = LLVMAtomicRMWBinOpMin;
- break;
- case nir_intrinsic_shared_atomic_imax:
- case nir_intrinsic_deref_atomic_imax:
- op = LLVMAtomicRMWBinOpMax;
- break;
- case nir_intrinsic_shared_atomic_and:
- case nir_intrinsic_deref_atomic_and:
- op = LLVMAtomicRMWBinOpAnd;
- break;
- case nir_intrinsic_shared_atomic_or:
- case nir_intrinsic_deref_atomic_or:
- op = LLVMAtomicRMWBinOpOr;
- break;
- case nir_intrinsic_shared_atomic_xor:
- case nir_intrinsic_deref_atomic_xor:
- op = LLVMAtomicRMWBinOpXor;
- break;
- case nir_intrinsic_shared_atomic_exchange:
- case nir_intrinsic_deref_atomic_exchange:
- op = LLVMAtomicRMWBinOpXchg;
- break;
+ if (ctx->ac.postponed_kill) {
+ LLVMValueRef cond = LLVMBuildLoad(ctx->ac.builder, ctx->ac.postponed_kill, "");
+ ac_build_ifcc(&ctx->ac, cond, 7005);
+ }
+
+ LLVMValueRef result;
+ LLVMValueRef src = get_src(ctx, instr->src[src_idx]);
+
+ const char *sync_scope = LLVM_VERSION_MAJOR >= 9 ? "workgroup-one-as" : "workgroup";
+
+ if (instr->src[0].ssa->parent_instr->type == nir_instr_type_deref) {
+ nir_deref_instr *deref = nir_instr_as_deref(instr->src[0].ssa->parent_instr);
+ if (deref->mode == nir_var_mem_global) {
+ /* use "singlethread" sync scope to implement relaxed ordering */
+ sync_scope = LLVM_VERSION_MAJOR >= 9 ? "singlethread-one-as" : "singlethread";
+
+ LLVMTypeRef ptr_type =
+ LLVMPointerType(LLVMTypeOf(src), LLVMGetPointerAddressSpace(LLVMTypeOf(ptr)));
+ ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ptr_type, "");
+ }
+ }
+
+ if (instr->intrinsic == nir_intrinsic_shared_atomic_comp_swap ||
+ instr->intrinsic == nir_intrinsic_deref_atomic_comp_swap) {
+ LLVMValueRef src1 = get_src(ctx, instr->src[src_idx + 1]);
+ result = ac_build_atomic_cmp_xchg(&ctx->ac, ptr, src, src1, sync_scope);
+ result = LLVMBuildExtractValue(ctx->ac.builder, result, 0, "");
+ } else {
+ LLVMAtomicRMWBinOp op;
+ switch (instr->intrinsic) {
+ case nir_intrinsic_shared_atomic_add:
+ case nir_intrinsic_deref_atomic_add:
+ op = LLVMAtomicRMWBinOpAdd;
+ break;
+ case nir_intrinsic_shared_atomic_umin:
+ case nir_intrinsic_deref_atomic_umin:
+ op = LLVMAtomicRMWBinOpUMin;
+ break;
+ case nir_intrinsic_shared_atomic_umax:
+ case nir_intrinsic_deref_atomic_umax:
+ op = LLVMAtomicRMWBinOpUMax;
+ break;
+ case nir_intrinsic_shared_atomic_imin:
+ case nir_intrinsic_deref_atomic_imin:
+ op = LLVMAtomicRMWBinOpMin;
+ break;
+ case nir_intrinsic_shared_atomic_imax:
+ case nir_intrinsic_deref_atomic_imax:
+ op = LLVMAtomicRMWBinOpMax;
+ break;
+ case nir_intrinsic_shared_atomic_and:
+ case nir_intrinsic_deref_atomic_and:
+ op = LLVMAtomicRMWBinOpAnd;
+ break;
+ case nir_intrinsic_shared_atomic_or:
+ case nir_intrinsic_deref_atomic_or:
+ op = LLVMAtomicRMWBinOpOr;
+ break;
+ case nir_intrinsic_shared_atomic_xor:
+ case nir_intrinsic_deref_atomic_xor:
+ op = LLVMAtomicRMWBinOpXor;
+ break;
+ case nir_intrinsic_shared_atomic_exchange:
+ case nir_intrinsic_deref_atomic_exchange:
+ op = LLVMAtomicRMWBinOpXchg;
+ break;
#if LLVM_VERSION_MAJOR >= 10
- case nir_intrinsic_shared_atomic_fadd:
- case nir_intrinsic_deref_atomic_fadd:
- op = LLVMAtomicRMWBinOpFAdd;
- break;
+ case nir_intrinsic_shared_atomic_fadd:
+ case nir_intrinsic_deref_atomic_fadd:
+ op = LLVMAtomicRMWBinOpFAdd;
+ break;
#endif
- default:
- return NULL;
- }
+ default:
+ return NULL;
+ }
- LLVMValueRef val;
+ LLVMValueRef val;
- if (instr->intrinsic == nir_intrinsic_shared_atomic_fadd ||
- instr->intrinsic == nir_intrinsic_deref_atomic_fadd) {
- val = ac_to_float(&ctx->ac, src);
- } else {
- val = ac_to_integer(&ctx->ac, src);
- }
+ if (instr->intrinsic == nir_intrinsic_shared_atomic_fadd ||
+ instr->intrinsic == nir_intrinsic_deref_atomic_fadd) {
+ val = ac_to_float(&ctx->ac, src);
+ } else {
+ val = ac_to_integer(&ctx->ac, src);
+ }
- result = ac_build_atomic_rmw(&ctx->ac, op, ptr, val, sync_scope);
- }
+ result = ac_build_atomic_rmw(&ctx->ac, op, ptr, val, sync_scope);
+ }
- if (ctx->ac.postponed_kill)
- ac_build_endif(&ctx->ac, 7005);
- return result;
+ if (ctx->ac.postponed_kill)
+ ac_build_endif(&ctx->ac, 7005);
+ return result;
}
static LLVMValueRef load_sample_pos(struct ac_nir_context *ctx)
{
- LLVMValueRef values[2];
- LLVMValueRef pos[2];
+ LLVMValueRef values[2];
+ LLVMValueRef pos[2];
- pos[0] = ac_to_float(&ctx->ac,
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[0]));
- pos[1] = ac_to_float(&ctx->ac,
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[1]));
+ pos[0] = ac_to_float(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->frag_pos[0]));
+ pos[1] = ac_to_float(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->frag_pos[1]));
- values[0] = ac_build_fract(&ctx->ac, pos[0], 32);
- values[1] = ac_build_fract(&ctx->ac, pos[1], 32);
- return ac_build_gather_values(&ctx->ac, values, 2);
+ values[0] = ac_build_fract(&ctx->ac, pos[0], 32);
+ values[1] = ac_build_fract(&ctx->ac, pos[1], 32);
+ return ac_build_gather_values(&ctx->ac, values, 2);
}
-static LLVMValueRef lookup_interp_param(struct ac_nir_context *ctx,
- enum glsl_interp_mode interp, unsigned location)
+static LLVMValueRef lookup_interp_param(struct ac_nir_context *ctx, enum glsl_interp_mode interp,
+ unsigned location)
{
- switch (interp) {
- case INTERP_MODE_FLAT:
- default:
- return NULL;
- case INTERP_MODE_SMOOTH:
- case INTERP_MODE_NONE:
- if (location == INTERP_CENTER)
- return ac_get_arg(&ctx->ac, ctx->args->persp_center);
- else if (location == INTERP_CENTROID)
- return ctx->abi->persp_centroid;
- else if (location == INTERP_SAMPLE)
- return ac_get_arg(&ctx->ac, ctx->args->persp_sample);
- break;
- case INTERP_MODE_NOPERSPECTIVE:
- if (location == INTERP_CENTER)
- return ac_get_arg(&ctx->ac, ctx->args->linear_center);
- else if (location == INTERP_CENTROID)
- return ctx->abi->linear_centroid;
- else if (location == INTERP_SAMPLE)
- return ac_get_arg(&ctx->ac, ctx->args->linear_sample);
- break;
- }
- return NULL;
+ switch (interp) {
+ case INTERP_MODE_FLAT:
+ default:
+ return NULL;
+ case INTERP_MODE_SMOOTH:
+ case INTERP_MODE_NONE:
+ if (location == INTERP_CENTER)
+ return ac_get_arg(&ctx->ac, ctx->args->persp_center);
+ else if (location == INTERP_CENTROID)
+ return ctx->abi->persp_centroid;
+ else if (location == INTERP_SAMPLE)
+ return ac_get_arg(&ctx->ac, ctx->args->persp_sample);
+ break;
+ case INTERP_MODE_NOPERSPECTIVE:
+ if (location == INTERP_CENTER)
+ return ac_get_arg(&ctx->ac, ctx->args->linear_center);
+ else if (location == INTERP_CENTROID)
+ return ctx->abi->linear_centroid;
+ else if (location == INTERP_SAMPLE)
+ return ac_get_arg(&ctx->ac, ctx->args->linear_sample);
+ break;
+ }
+ return NULL;
}
-static LLVMValueRef barycentric_center(struct ac_nir_context *ctx,
- unsigned mode)
+static LLVMValueRef barycentric_center(struct ac_nir_context *ctx, unsigned mode)
{
- LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTER);
- return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
+ LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTER);
+ return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
}
-static LLVMValueRef barycentric_offset(struct ac_nir_context *ctx,
- unsigned mode,
- LLVMValueRef offset)
+static LLVMValueRef barycentric_offset(struct ac_nir_context *ctx, unsigned mode,
+ LLVMValueRef offset)
{
- LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTER);
- LLVMValueRef src_c0 = ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, offset, ctx->ac.i32_0, ""));
- LLVMValueRef src_c1 = ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, offset, ctx->ac.i32_1, ""));
-
- LLVMValueRef ij_out[2];
- LLVMValueRef ddxy_out = ac_build_ddxy_interp(&ctx->ac, interp_param);
-
- /*
- * take the I then J parameters, and the DDX/Y for it, and
- * calculate the IJ inputs for the interpolator.
- * temp1 = ddx * offset/sample.x + I;
- * interp_param.I = ddy * offset/sample.y + temp1;
- * temp1 = ddx * offset/sample.x + J;
- * interp_param.J = ddy * offset/sample.y + temp1;
- */
- for (unsigned i = 0; i < 2; i++) {
- LLVMValueRef ix_ll = LLVMConstInt(ctx->ac.i32, i, false);
- LLVMValueRef iy_ll = LLVMConstInt(ctx->ac.i32, i + 2, false);
- LLVMValueRef ddx_el = LLVMBuildExtractElement(ctx->ac.builder,
- ddxy_out, ix_ll, "");
- LLVMValueRef ddy_el = LLVMBuildExtractElement(ctx->ac.builder,
- ddxy_out, iy_ll, "");
- LLVMValueRef interp_el = LLVMBuildExtractElement(ctx->ac.builder,
- interp_param, ix_ll, "");
- LLVMValueRef temp1, temp2;
-
- interp_el = LLVMBuildBitCast(ctx->ac.builder, interp_el,
- ctx->ac.f32, "");
-
- temp1 = ac_build_fmad(&ctx->ac, ddx_el, src_c0, interp_el);
- temp2 = ac_build_fmad(&ctx->ac, ddy_el, src_c1, temp1);
-
- ij_out[i] = LLVMBuildBitCast(ctx->ac.builder,
- temp2, ctx->ac.i32, "");
- }
- interp_param = ac_build_gather_values(&ctx->ac, ij_out, 2);
- return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
+ LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTER);
+ LLVMValueRef src_c0 =
+ ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, offset, ctx->ac.i32_0, ""));
+ LLVMValueRef src_c1 =
+ ac_to_float(&ctx->ac, LLVMBuildExtractElement(ctx->ac.builder, offset, ctx->ac.i32_1, ""));
+
+ LLVMValueRef ij_out[2];
+ LLVMValueRef ddxy_out = ac_build_ddxy_interp(&ctx->ac, interp_param);
+
+ /*
+ * take the I then J parameters, and the DDX/Y for it, and
+ * calculate the IJ inputs for the interpolator.
+ * temp1 = ddx * offset/sample.x + I;
+ * interp_param.I = ddy * offset/sample.y + temp1;
+ * temp1 = ddx * offset/sample.x + J;
+ * interp_param.J = ddy * offset/sample.y + temp1;
+ */
+ for (unsigned i = 0; i < 2; i++) {
+ LLVMValueRef ix_ll = LLVMConstInt(ctx->ac.i32, i, false);
+ LLVMValueRef iy_ll = LLVMConstInt(ctx->ac.i32, i + 2, false);
+ LLVMValueRef ddx_el = LLVMBuildExtractElement(ctx->ac.builder, ddxy_out, ix_ll, "");
+ LLVMValueRef ddy_el = LLVMBuildExtractElement(ctx->ac.builder, ddxy_out, iy_ll, "");
+ LLVMValueRef interp_el = LLVMBuildExtractElement(ctx->ac.builder, interp_param, ix_ll, "");
+ LLVMValueRef temp1, temp2;
+
+ interp_el = LLVMBuildBitCast(ctx->ac.builder, interp_el, ctx->ac.f32, "");
+
+ temp1 = ac_build_fmad(&ctx->ac, ddx_el, src_c0, interp_el);
+ temp2 = ac_build_fmad(&ctx->ac, ddy_el, src_c1, temp1);
+
+ ij_out[i] = LLVMBuildBitCast(ctx->ac.builder, temp2, ctx->ac.i32, "");
+ }
+ interp_param = ac_build_gather_values(&ctx->ac, ij_out, 2);
+ return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
}
-static LLVMValueRef barycentric_centroid(struct ac_nir_context *ctx,
- unsigned mode)
+static LLVMValueRef barycentric_centroid(struct ac_nir_context *ctx, unsigned mode)
{
- LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTROID);
- return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
+ LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_CENTROID);
+ return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
}
-static LLVMValueRef barycentric_at_sample(struct ac_nir_context *ctx,
- unsigned mode,
- LLVMValueRef sample_id)
+static LLVMValueRef barycentric_at_sample(struct ac_nir_context *ctx, unsigned mode,
+ LLVMValueRef sample_id)
{
- if (ctx->abi->interp_at_sample_force_center)
- return barycentric_center(ctx, mode);
+ if (ctx->abi->interp_at_sample_force_center)
+ return barycentric_center(ctx, mode);
- LLVMValueRef halfval = LLVMConstReal(ctx->ac.f32, 0.5f);
+ LLVMValueRef halfval = LLVMConstReal(ctx->ac.f32, 0.5f);
- /* fetch sample ID */
- LLVMValueRef sample_pos = ctx->abi->load_sample_position(ctx->abi, sample_id);
+ /* fetch sample ID */
+ LLVMValueRef sample_pos = ctx->abi->load_sample_position(ctx->abi, sample_id);
- LLVMValueRef src_c0 = LLVMBuildExtractElement(ctx->ac.builder, sample_pos, ctx->ac.i32_0, "");
- src_c0 = LLVMBuildFSub(ctx->ac.builder, src_c0, halfval, "");
- LLVMValueRef src_c1 = LLVMBuildExtractElement(ctx->ac.builder, sample_pos, ctx->ac.i32_1, "");
- src_c1 = LLVMBuildFSub(ctx->ac.builder, src_c1, halfval, "");
- LLVMValueRef coords[] = { src_c0, src_c1 };
- LLVMValueRef offset = ac_build_gather_values(&ctx->ac, coords, 2);
+ LLVMValueRef src_c0 = LLVMBuildExtractElement(ctx->ac.builder, sample_pos, ctx->ac.i32_0, "");
+ src_c0 = LLVMBuildFSub(ctx->ac.builder, src_c0, halfval, "");
+ LLVMValueRef src_c1 = LLVMBuildExtractElement(ctx->ac.builder, sample_pos, ctx->ac.i32_1, "");
+ src_c1 = LLVMBuildFSub(ctx->ac.builder, src_c1, halfval, "");
+ LLVMValueRef coords[] = {src_c0, src_c1};
+ LLVMValueRef offset = ac_build_gather_values(&ctx->ac, coords, 2);
- return barycentric_offset(ctx, mode, offset);
+ return barycentric_offset(ctx, mode, offset);
}
-
-static LLVMValueRef barycentric_sample(struct ac_nir_context *ctx,
- unsigned mode)
+static LLVMValueRef barycentric_sample(struct ac_nir_context *ctx, unsigned mode)
{
- LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_SAMPLE);
- return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
+ LLVMValueRef interp_param = lookup_interp_param(ctx, mode, INTERP_SAMPLE);
+ return LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2i32, "");
}
static LLVMValueRef barycentric_model(struct ac_nir_context *ctx)
{
- return LLVMBuildBitCast(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->pull_model),
- ctx->ac.v3i32, "");
+ return LLVMBuildBitCast(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->pull_model),
+ ctx->ac.v3i32, "");
}
-static LLVMValueRef load_interpolated_input(struct ac_nir_context *ctx,
- LLVMValueRef interp_param,
- unsigned index, unsigned comp_start,
- unsigned num_components,
- unsigned bitsize)
+static LLVMValueRef load_interpolated_input(struct ac_nir_context *ctx, LLVMValueRef interp_param,
+ unsigned index, unsigned comp_start,
+ unsigned num_components, unsigned bitsize)
{
- LLVMValueRef attr_number = LLVMConstInt(ctx->ac.i32, index, false);
- LLVMValueRef interp_param_f;
-
- interp_param_f = LLVMBuildBitCast(ctx->ac.builder,
- interp_param, ctx->ac.v2f32, "");
- LLVMValueRef i = LLVMBuildExtractElement(
- ctx->ac.builder, interp_param_f, ctx->ac.i32_0, "");
- LLVMValueRef j = LLVMBuildExtractElement(
- ctx->ac.builder, interp_param_f, ctx->ac.i32_1, "");
-
- /* Workaround for issue 2647: kill threads with infinite interpolation coeffs */
- if (ctx->verified_interp &&
- !_mesa_hash_table_search(ctx->verified_interp, interp_param)) {
- LLVMValueRef args[2];
- args[0] = i;
- args[1] = LLVMConstInt(ctx->ac.i32, S_NAN | Q_NAN | N_INFINITY | P_INFINITY, false);
- LLVMValueRef cond = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.class.f32", ctx->ac.i1,
- args, 2, AC_FUNC_ATTR_READNONE);
- ac_build_kill_if_false(&ctx->ac, LLVMBuildNot(ctx->ac.builder, cond, ""));
- _mesa_hash_table_insert(ctx->verified_interp, interp_param, interp_param);
- }
-
- LLVMValueRef values[4];
- assert(bitsize == 16 || bitsize == 32);
- for (unsigned comp = 0; comp < num_components; comp++) {
- LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, comp_start + comp, false);
- if (bitsize == 16) {
- values[comp] = ac_build_fs_interp_f16(&ctx->ac, llvm_chan, attr_number,
- ac_get_arg(&ctx->ac, ctx->args->prim_mask), i, j);
- } else {
- values[comp] = ac_build_fs_interp(&ctx->ac, llvm_chan, attr_number,
- ac_get_arg(&ctx->ac, ctx->args->prim_mask), i, j);
- }
- }
-
- return ac_to_integer(&ctx->ac, ac_build_gather_values(&ctx->ac, values, num_components));
+ LLVMValueRef attr_number = LLVMConstInt(ctx->ac.i32, index, false);
+ LLVMValueRef interp_param_f;
+
+ interp_param_f = LLVMBuildBitCast(ctx->ac.builder, interp_param, ctx->ac.v2f32, "");
+ LLVMValueRef i = LLVMBuildExtractElement(ctx->ac.builder, interp_param_f, ctx->ac.i32_0, "");
+ LLVMValueRef j = LLVMBuildExtractElement(ctx->ac.builder, interp_param_f, ctx->ac.i32_1, "");
+
+ /* Workaround for issue 2647: kill threads with infinite interpolation coeffs */
+ if (ctx->verified_interp && !_mesa_hash_table_search(ctx->verified_interp, interp_param)) {
+ LLVMValueRef args[2];
+ args[0] = i;
+ args[1] = LLVMConstInt(ctx->ac.i32, S_NAN | Q_NAN | N_INFINITY | P_INFINITY, false);
+ LLVMValueRef cond = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.class.f32", ctx->ac.i1, args, 2,
+ AC_FUNC_ATTR_READNONE);
+ ac_build_kill_if_false(&ctx->ac, LLVMBuildNot(ctx->ac.builder, cond, ""));
+ _mesa_hash_table_insert(ctx->verified_interp, interp_param, interp_param);
+ }
+
+ LLVMValueRef values[4];
+ assert(bitsize == 16 || bitsize == 32);
+ for (unsigned comp = 0; comp < num_components; comp++) {
+ LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, comp_start + comp, false);
+ if (bitsize == 16) {
+ values[comp] = ac_build_fs_interp_f16(&ctx->ac, llvm_chan, attr_number,
+ ac_get_arg(&ctx->ac, ctx->args->prim_mask), i, j);
+ } else {
+ values[comp] = ac_build_fs_interp(&ctx->ac, llvm_chan, attr_number,
+ ac_get_arg(&ctx->ac, ctx->args->prim_mask), i, j);
+ }
+ }
+
+ return ac_to_integer(&ctx->ac, ac_build_gather_values(&ctx->ac, values, num_components));
}
-static LLVMValueRef visit_load(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr, bool is_output)
+static LLVMValueRef visit_load(struct ac_nir_context *ctx, nir_intrinsic_instr *instr,
+ bool is_output)
{
- LLVMValueRef values[8];
- LLVMTypeRef dest_type = get_def_type(ctx, &instr->dest.ssa);
- LLVMTypeRef component_type;
- unsigned base = nir_intrinsic_base(instr);
- unsigned component = nir_intrinsic_component(instr);
- unsigned count = instr->dest.ssa.num_components *
- (instr->dest.ssa.bit_size == 64 ? 2 : 1);
- nir_src *vertex_index_src = nir_get_io_vertex_index_src(instr);
- LLVMValueRef vertex_index =
- vertex_index_src ? get_src(ctx, *vertex_index_src) : NULL;
- nir_src offset = *nir_get_io_offset_src(instr);
- LLVMValueRef indir_index = NULL;
-
- if (LLVMGetTypeKind(dest_type) == LLVMVectorTypeKind)
- component_type = LLVMGetElementType(dest_type);
- else
- component_type = dest_type;
-
- if (nir_src_is_const(offset))
- assert(nir_src_as_uint(offset) == 0);
- else
- indir_index = get_src(ctx, offset);
-
- if (ctx->stage == MESA_SHADER_TESS_CTRL ||
- (ctx->stage == MESA_SHADER_TESS_EVAL && !is_output)) {
- LLVMValueRef result =
- ctx->abi->load_tess_varyings(ctx->abi, component_type,
- vertex_index, indir_index,
- 0, 0, base * 4,
- component,
- instr->num_components,
- false, false, !is_output);
- if (instr->dest.ssa.bit_size == 16) {
- result = ac_to_integer(&ctx->ac, result);
- result = LLVMBuildTrunc(ctx->ac.builder, result, dest_type, "");
- }
- return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
- }
-
- /* No indirect indexing is allowed after this point. */
- assert(!indir_index);
-
- if (ctx->stage == MESA_SHADER_GEOMETRY) {
- LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
- assert(nir_src_is_const(*vertex_index_src));
-
- return ctx->abi->load_inputs(ctx->abi, 0, base * 4, component,
- instr->num_components,
- nir_src_as_uint(*vertex_index_src),
- 0, type);
- }
-
- if (ctx->stage == MESA_SHADER_FRAGMENT && is_output &&
- nir_intrinsic_io_semantics(instr).fb_fetch_output)
- return ctx->abi->emit_fbfetch(ctx->abi);
-
- /* Other non-fragment cases have inputs and outputs in temporaries. */
- if (ctx->stage != MESA_SHADER_FRAGMENT) {
- for (unsigned chan = component; chan < count + component; chan++) {
- if (is_output) {
- values[chan] = LLVMBuildLoad(ctx->ac.builder,
- ctx->abi->outputs[base * 4 + chan], "");
- } else {
- values[chan] = ctx->abi->inputs[base * 4 + chan];
- if (!values[chan])
- values[chan] = LLVMGetUndef(ctx->ac.i32);
- }
- }
- LLVMValueRef result = ac_build_varying_gather_values(&ctx->ac, values, count, component);
- return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
- }
-
- /* Fragment shader inputs. */
- unsigned vertex_id = 2; /* P0 */
-
- if (instr->intrinsic == nir_intrinsic_load_input_vertex) {
- nir_const_value *src0 = nir_src_as_const_value(instr->src[0]);
-
- switch (src0[0].i32) {
- case 0:
- vertex_id = 2;
- break;
- case 1:
- vertex_id = 0;
- break;
- case 2:
- vertex_id = 1;
- break;
- default:
- unreachable("Invalid vertex index");
- }
- }
-
- LLVMValueRef attr_number = LLVMConstInt(ctx->ac.i32, base, false);
-
- for (unsigned chan = 0; chan < count; chan++) {
- if (component + chan > 4)
- attr_number = LLVMConstInt(ctx->ac.i32, base + 1, false);
- LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, (component + chan) % 4, false);
- values[chan] = ac_build_fs_interp_mov(&ctx->ac,
- LLVMConstInt(ctx->ac.i32, vertex_id, false),
- llvm_chan,
- attr_number,
- ac_get_arg(&ctx->ac, ctx->args->prim_mask));
- values[chan] = LLVMBuildBitCast(ctx->ac.builder, values[chan], ctx->ac.i32, "");
- values[chan] = LLVMBuildTruncOrBitCast(ctx->ac.builder, values[chan],
- instr->dest.ssa.bit_size == 16 ? ctx->ac.i16
- : ctx->ac.i32, "");
- }
-
- LLVMValueRef result = ac_build_gather_values(&ctx->ac, values, count);
- return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
+ LLVMValueRef values[8];
+ LLVMTypeRef dest_type = get_def_type(ctx, &instr->dest.ssa);
+ LLVMTypeRef component_type;
+ unsigned base = nir_intrinsic_base(instr);
+ unsigned component = nir_intrinsic_component(instr);
+ unsigned count = instr->dest.ssa.num_components * (instr->dest.ssa.bit_size == 64 ? 2 : 1);
+ nir_src *vertex_index_src = nir_get_io_vertex_index_src(instr);
+ LLVMValueRef vertex_index = vertex_index_src ? get_src(ctx, *vertex_index_src) : NULL;
+ nir_src offset = *nir_get_io_offset_src(instr);
+ LLVMValueRef indir_index = NULL;
+
+ if (LLVMGetTypeKind(dest_type) == LLVMVectorTypeKind)
+ component_type = LLVMGetElementType(dest_type);
+ else
+ component_type = dest_type;
+
+ if (nir_src_is_const(offset))
+ assert(nir_src_as_uint(offset) == 0);
+ else
+ indir_index = get_src(ctx, offset);
+
+ if (ctx->stage == MESA_SHADER_TESS_CTRL || (ctx->stage == MESA_SHADER_TESS_EVAL && !is_output)) {
+ LLVMValueRef result = ctx->abi->load_tess_varyings(
+ ctx->abi, component_type, vertex_index, indir_index, 0, 0, base * 4, component,
+ instr->num_components, false, false, !is_output);
+ if (instr->dest.ssa.bit_size == 16) {
+ result = ac_to_integer(&ctx->ac, result);
+ result = LLVMBuildTrunc(ctx->ac.builder, result, dest_type, "");
+ }
+ return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
+ }
+
+ /* No indirect indexing is allowed after this point. */
+ assert(!indir_index);
+
+ if (ctx->stage == MESA_SHADER_GEOMETRY) {
+ LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
+ assert(nir_src_is_const(*vertex_index_src));
+
+ return ctx->abi->load_inputs(ctx->abi, 0, base * 4, component, instr->num_components,
+ nir_src_as_uint(*vertex_index_src), 0, type);
+ }
+
+ if (ctx->stage == MESA_SHADER_FRAGMENT && is_output &&
+ nir_intrinsic_io_semantics(instr).fb_fetch_output)
+ return ctx->abi->emit_fbfetch(ctx->abi);
+
+ /* Other non-fragment cases have inputs and outputs in temporaries. */
+ if (ctx->stage != MESA_SHADER_FRAGMENT) {
+ for (unsigned chan = component; chan < count + component; chan++) {
+ if (is_output) {
+ values[chan] = LLVMBuildLoad(ctx->ac.builder, ctx->abi->outputs[base * 4 + chan], "");
+ } else {
+ values[chan] = ctx->abi->inputs[base * 4 + chan];
+ if (!values[chan])
+ values[chan] = LLVMGetUndef(ctx->ac.i32);
+ }
+ }
+ LLVMValueRef result = ac_build_varying_gather_values(&ctx->ac, values, count, component);
+ return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
+ }
+
+ /* Fragment shader inputs. */
+ unsigned vertex_id = 2; /* P0 */
+
+ if (instr->intrinsic == nir_intrinsic_load_input_vertex) {
+ nir_const_value *src0 = nir_src_as_const_value(instr->src[0]);
+
+ switch (src0[0].i32) {
+ case 0:
+ vertex_id = 2;
+ break;
+ case 1:
+ vertex_id = 0;
+ break;
+ case 2:
+ vertex_id = 1;
+ break;
+ default:
+ unreachable("Invalid vertex index");
+ }
+ }
+
+ LLVMValueRef attr_number = LLVMConstInt(ctx->ac.i32, base, false);
+
+ for (unsigned chan = 0; chan < count; chan++) {
+ if (component + chan > 4)
+ attr_number = LLVMConstInt(ctx->ac.i32, base + 1, false);
+ LLVMValueRef llvm_chan = LLVMConstInt(ctx->ac.i32, (component + chan) % 4, false);
+ values[chan] =
+ ac_build_fs_interp_mov(&ctx->ac, LLVMConstInt(ctx->ac.i32, vertex_id, false), llvm_chan,
+ attr_number, ac_get_arg(&ctx->ac, ctx->args->prim_mask));
+ values[chan] = LLVMBuildBitCast(ctx->ac.builder, values[chan], ctx->ac.i32, "");
+ values[chan] =
+ LLVMBuildTruncOrBitCast(ctx->ac.builder, values[chan],
+ instr->dest.ssa.bit_size == 16 ? ctx->ac.i16 : ctx->ac.i32, "");
+ }
+
+ LLVMValueRef result = ac_build_gather_values(&ctx->ac, values, count);
+ return LLVMBuildBitCast(ctx->ac.builder, result, dest_type, "");
}
-static void visit_intrinsic(struct ac_nir_context *ctx,
- nir_intrinsic_instr *instr)
+static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *instr)
{
- LLVMValueRef result = NULL;
-
- switch (instr->intrinsic) {
- case nir_intrinsic_ballot:
- result = ac_build_ballot(&ctx->ac, get_src(ctx, instr->src[0]));
- if (ctx->ac.ballot_mask_bits > ctx->ac.wave_size)
- result = LLVMBuildZExt(ctx->ac.builder, result, ctx->ac.iN_ballotmask, "");
- break;
- case nir_intrinsic_read_invocation:
- result = ac_build_readlane(&ctx->ac, get_src(ctx, instr->src[0]),
- get_src(ctx, instr->src[1]));
- break;
- case nir_intrinsic_read_first_invocation:
- result = ac_build_readlane(&ctx->ac, get_src(ctx, instr->src[0]), NULL);
- break;
- case nir_intrinsic_load_subgroup_invocation:
- result = ac_get_thread_id(&ctx->ac);
- break;
- case nir_intrinsic_load_work_group_id: {
- LLVMValueRef values[3];
-
- for (int i = 0; i < 3; i++) {
- values[i] = ctx->args->workgroup_ids[i].used ?
- ac_get_arg(&ctx->ac, ctx->args->workgroup_ids[i]) : ctx->ac.i32_0;
- }
-
- result = ac_build_gather_values(&ctx->ac, values, 3);
- break;
- }
- case nir_intrinsic_load_base_vertex:
- case nir_intrinsic_load_first_vertex:
- result = ctx->abi->load_base_vertex(ctx->abi);
- break;
- case nir_intrinsic_load_local_group_size:
- result = ctx->abi->load_local_group_size(ctx->abi);
- break;
- case nir_intrinsic_load_vertex_id:
- result = LLVMBuildAdd(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->vertex_id),
- ac_get_arg(&ctx->ac, ctx->args->base_vertex), "");
- break;
- case nir_intrinsic_load_vertex_id_zero_base: {
- result = ctx->abi->vertex_id;
- break;
- }
- case nir_intrinsic_load_local_invocation_id: {
- result = ac_get_arg(&ctx->ac, ctx->args->local_invocation_ids);
- break;
- }
- case nir_intrinsic_load_base_instance:
- result = ac_get_arg(&ctx->ac, ctx->args->start_instance);
- break;
- case nir_intrinsic_load_draw_id:
- result = ac_get_arg(&ctx->ac, ctx->args->draw_id);
- break;
- case nir_intrinsic_load_view_index:
- result = ac_get_arg(&ctx->ac, ctx->args->view_index);
- break;
- case nir_intrinsic_load_invocation_id:
- if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- result = ac_unpack_param(&ctx->ac,
- ac_get_arg(&ctx->ac, ctx->args->tcs_rel_ids),
- 8, 5);
- } else {
- if (ctx->ac.chip_class >= GFX10) {
- result = LLVMBuildAnd(ctx->ac.builder,
- ac_get_arg(&ctx->ac, ctx->args->gs_invocation_id),
- LLVMConstInt(ctx->ac.i32, 127, 0), "");
- } else {
- result = ac_get_arg(&ctx->ac, ctx->args->gs_invocation_id);
- }
- }
- break;
- case nir_intrinsic_load_primitive_id:
- if (ctx->stage == MESA_SHADER_GEOMETRY) {
- result = ac_get_arg(&ctx->ac, ctx->args->gs_prim_id);
- } else if (ctx->stage == MESA_SHADER_TESS_CTRL) {
- result = ac_get_arg(&ctx->ac, ctx->args->tcs_patch_id);
- } else if (ctx->stage == MESA_SHADER_TESS_EVAL) {
- result = ac_get_arg(&ctx->ac, ctx->args->tes_patch_id);
- } else
- fprintf(stderr, "Unknown primitive id intrinsic: %d", ctx->stage);
- break;
- case nir_intrinsic_load_sample_id:
- result = ac_unpack_param(&ctx->ac,
- ac_get_arg(&ctx->ac, ctx->args->ancillary),
- 8, 4);
- break;
- case nir_intrinsic_load_sample_pos:
- result = load_sample_pos(ctx);
- break;
- case nir_intrinsic_load_sample_mask_in:
- result = ctx->abi->load_sample_mask_in(ctx->abi);
- break;
- case nir_intrinsic_load_frag_coord: {
- LLVMValueRef values[4] = {
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[0]),
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[1]),
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[2]),
- ac_build_fdiv(&ctx->ac, ctx->ac.f32_1,
- ac_get_arg(&ctx->ac, ctx->args->frag_pos[3]))
- };
- result = ac_to_integer(&ctx->ac,
- ac_build_gather_values(&ctx->ac, values, 4));
- break;
- }
- case nir_intrinsic_load_layer_id:
- result = ctx->abi->inputs[ac_llvm_reg_index_soa(VARYING_SLOT_LAYER, 0)];
- break;
- case nir_intrinsic_load_front_face:
- result = ac_get_arg(&ctx->ac, ctx->args->front_face);
- break;
- case nir_intrinsic_load_helper_invocation:
- result = ac_build_load_helper_invocation(&ctx->ac);
- break;
- case nir_intrinsic_is_helper_invocation:
- result = ac_build_is_helper_invocation(&ctx->ac);
- break;
- case nir_intrinsic_load_color0:
- result = ctx->abi->color0;
- break;
- case nir_intrinsic_load_color1:
- result = ctx->abi->color1;
- break;
- case nir_intrinsic_load_user_data_amd:
- assert(LLVMTypeOf(ctx->abi->user_data) == ctx->ac.v4i32);
- result = ctx->abi->user_data;
- break;
- case nir_intrinsic_load_instance_id:
- result = ctx->abi->instance_id;
- break;
- case nir_intrinsic_load_num_work_groups:
- result = ac_get_arg(&ctx->ac, ctx->args->num_work_groups);
- break;
- case nir_intrinsic_load_local_invocation_index:
- result = visit_load_local_invocation_index(ctx);
- break;
- case nir_intrinsic_load_subgroup_id:
- result = visit_load_subgroup_id(ctx);
- break;
- case nir_intrinsic_load_num_subgroups:
- result = visit_load_num_subgroups(ctx);
- break;
- case nir_intrinsic_first_invocation:
- result = visit_first_invocation(ctx);
- break;
- case nir_intrinsic_load_push_constant:
- result = visit_load_push_constant(ctx, instr);
- break;
- case nir_intrinsic_vulkan_resource_index: {
- LLVMValueRef index = get_src(ctx, instr->src[0]);
- unsigned desc_set = nir_intrinsic_desc_set(instr);
- unsigned binding = nir_intrinsic_binding(instr);
-
- result = ctx->abi->load_resource(ctx->abi, index, desc_set,
- binding);
- break;
- }
- case nir_intrinsic_vulkan_resource_reindex:
- result = visit_vulkan_resource_reindex(ctx, instr);
- break;
- case nir_intrinsic_store_ssbo:
- visit_store_ssbo(ctx, instr);
- break;
- case nir_intrinsic_load_ssbo:
- result = visit_load_buffer(ctx, instr);
- break;
- case nir_intrinsic_ssbo_atomic_add:
- case nir_intrinsic_ssbo_atomic_imin:
- case nir_intrinsic_ssbo_atomic_umin:
- case nir_intrinsic_ssbo_atomic_imax:
- case nir_intrinsic_ssbo_atomic_umax:
- case nir_intrinsic_ssbo_atomic_and:
- case nir_intrinsic_ssbo_atomic_or:
- case nir_intrinsic_ssbo_atomic_xor:
- case nir_intrinsic_ssbo_atomic_exchange:
- case nir_intrinsic_ssbo_atomic_comp_swap:
- result = visit_atomic_ssbo(ctx, instr);
- break;
- case nir_intrinsic_load_ubo:
- result = visit_load_ubo_buffer(ctx, instr);
- break;
- case nir_intrinsic_get_buffer_size:
- result = visit_get_buffer_size(ctx, instr);
- break;
- case nir_intrinsic_load_deref:
- result = visit_load_var(ctx, instr);
- break;
- case nir_intrinsic_store_deref:
- visit_store_var(ctx, instr);
- break;
- case nir_intrinsic_load_input:
- case nir_intrinsic_load_input_vertex:
- case nir_intrinsic_load_per_vertex_input:
- result = visit_load(ctx, instr, false);
- break;
- case nir_intrinsic_load_output:
- case nir_intrinsic_load_per_vertex_output:
- result = visit_load(ctx, instr, true);
- break;
- case nir_intrinsic_store_output:
- case nir_intrinsic_store_per_vertex_output:
- visit_store_output(ctx, instr);
- break;
- case nir_intrinsic_load_shared:
- result = visit_load_shared(ctx, instr);
- break;
- case nir_intrinsic_store_shared:
- visit_store_shared(ctx, instr);
- break;
- case nir_intrinsic_bindless_image_samples:
- case nir_intrinsic_image_deref_samples:
- result = visit_image_samples(ctx, instr);
- break;
- case nir_intrinsic_bindless_image_load:
- result = visit_image_load(ctx, instr, true);
- break;
- case nir_intrinsic_image_deref_load:
- result = visit_image_load(ctx, instr, false);
- break;
- case nir_intrinsic_bindless_image_store:
- visit_image_store(ctx, instr, true);
- break;
- case nir_intrinsic_image_deref_store:
- visit_image_store(ctx, instr, false);
- break;
- case nir_intrinsic_bindless_image_atomic_add:
- case nir_intrinsic_bindless_image_atomic_imin:
- case nir_intrinsic_bindless_image_atomic_umin:
- case nir_intrinsic_bindless_image_atomic_imax:
- case nir_intrinsic_bindless_image_atomic_umax:
- case nir_intrinsic_bindless_image_atomic_and:
- case nir_intrinsic_bindless_image_atomic_or:
- case nir_intrinsic_bindless_image_atomic_xor:
- case nir_intrinsic_bindless_image_atomic_exchange:
- case nir_intrinsic_bindless_image_atomic_comp_swap:
- case nir_intrinsic_bindless_image_atomic_inc_wrap:
- case nir_intrinsic_bindless_image_atomic_dec_wrap:
- result = visit_image_atomic(ctx, instr, true);
- break;
- case nir_intrinsic_image_deref_atomic_add:
- case nir_intrinsic_image_deref_atomic_imin:
- case nir_intrinsic_image_deref_atomic_umin:
- case nir_intrinsic_image_deref_atomic_imax:
- case nir_intrinsic_image_deref_atomic_umax:
- case nir_intrinsic_image_deref_atomic_and:
- case nir_intrinsic_image_deref_atomic_or:
- case nir_intrinsic_image_deref_atomic_xor:
- case nir_intrinsic_image_deref_atomic_exchange:
- case nir_intrinsic_image_deref_atomic_comp_swap:
- case nir_intrinsic_image_deref_atomic_inc_wrap:
- case nir_intrinsic_image_deref_atomic_dec_wrap:
- result = visit_image_atomic(ctx, instr, false);
- break;
- case nir_intrinsic_bindless_image_size:
- result = visit_image_size(ctx, instr, true);
- break;
- case nir_intrinsic_image_deref_size:
- result = visit_image_size(ctx, instr, false);
- break;
- case nir_intrinsic_shader_clock:
- result = ac_build_shader_clock(&ctx->ac,
- nir_intrinsic_memory_scope(instr));
- break;
- case nir_intrinsic_discard:
- case nir_intrinsic_discard_if:
- emit_discard(ctx, instr);
- break;
- case nir_intrinsic_demote:
- case nir_intrinsic_demote_if:
- emit_demote(ctx, instr);
- break;
- case nir_intrinsic_memory_barrier:
- case nir_intrinsic_group_memory_barrier:
- case nir_intrinsic_memory_barrier_buffer:
- case nir_intrinsic_memory_barrier_image:
- case nir_intrinsic_memory_barrier_shared:
- emit_membar(&ctx->ac, instr);
- break;
- case nir_intrinsic_scoped_barrier: {
- assert(!(nir_intrinsic_memory_semantics(instr) &
- (NIR_MEMORY_MAKE_AVAILABLE | NIR_MEMORY_MAKE_VISIBLE)));
-
- nir_variable_mode modes = nir_intrinsic_memory_modes(instr);
-
- unsigned wait_flags = 0;
- if (modes & (nir_var_mem_global | nir_var_mem_ssbo))
- wait_flags |= AC_WAIT_VLOAD | AC_WAIT_VSTORE;
- if (modes & nir_var_mem_shared)
- wait_flags |= AC_WAIT_LGKM;
-
- if (wait_flags)
- ac_build_waitcnt(&ctx->ac, wait_flags);
-
- if (nir_intrinsic_execution_scope(instr) == NIR_SCOPE_WORKGROUP)
- ac_emit_barrier(&ctx->ac, ctx->stage);
- break;
- }
- case nir_intrinsic_memory_barrier_tcs_patch:
- break;
- case nir_intrinsic_control_barrier:
- ac_emit_barrier(&ctx->ac, ctx->stage);
- break;
- case nir_intrinsic_shared_atomic_add:
- case nir_intrinsic_shared_atomic_imin:
- case nir_intrinsic_shared_atomic_umin:
- case nir_intrinsic_shared_atomic_imax:
- case nir_intrinsic_shared_atomic_umax:
- case nir_intrinsic_shared_atomic_and:
- case nir_intrinsic_shared_atomic_or:
- case nir_intrinsic_shared_atomic_xor:
- case nir_intrinsic_shared_atomic_exchange:
- case nir_intrinsic_shared_atomic_comp_swap:
- case nir_intrinsic_shared_atomic_fadd: {
- LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0],
- instr->src[1].ssa->bit_size);
- result = visit_var_atomic(ctx, instr, ptr, 1);
- break;
- }
- case nir_intrinsic_deref_atomic_add:
- case nir_intrinsic_deref_atomic_imin:
- case nir_intrinsic_deref_atomic_umin:
- case nir_intrinsic_deref_atomic_imax:
- case nir_intrinsic_deref_atomic_umax:
- case nir_intrinsic_deref_atomic_and:
- case nir_intrinsic_deref_atomic_or:
- case nir_intrinsic_deref_atomic_xor:
- case nir_intrinsic_deref_atomic_exchange:
- case nir_intrinsic_deref_atomic_comp_swap:
- case nir_intrinsic_deref_atomic_fadd: {
- LLVMValueRef ptr = get_src(ctx, instr->src[0]);
- result = visit_var_atomic(ctx, instr, ptr, 1);
- break;
- }
- case nir_intrinsic_load_barycentric_pixel:
- result = barycentric_center(ctx, nir_intrinsic_interp_mode(instr));
- break;
- case nir_intrinsic_load_barycentric_centroid:
- result = barycentric_centroid(ctx, nir_intrinsic_interp_mode(instr));
- break;
- case nir_intrinsic_load_barycentric_sample:
- result = barycentric_sample(ctx, nir_intrinsic_interp_mode(instr));
- break;
- case nir_intrinsic_load_barycentric_model:
- result = barycentric_model(ctx);
- break;
- case nir_intrinsic_load_barycentric_at_offset: {
- LLVMValueRef offset = ac_to_float(&ctx->ac, get_src(ctx, instr->src[0]));
- result = barycentric_offset(ctx, nir_intrinsic_interp_mode(instr), offset);
- break;
- }
- case nir_intrinsic_load_barycentric_at_sample: {
- LLVMValueRef sample_id = get_src(ctx, instr->src[0]);
- result = barycentric_at_sample(ctx, nir_intrinsic_interp_mode(instr), sample_id);
- break;
- }
- case nir_intrinsic_load_interpolated_input: {
- /* We assume any indirect loads have been lowered away */
- ASSERTED nir_const_value *offset = nir_src_as_const_value(instr->src[1]);
- assert(offset);
- assert(offset[0].i32 == 0);
-
- LLVMValueRef interp_param = get_src(ctx, instr->src[0]);
- unsigned index = nir_intrinsic_base(instr);
- unsigned component = nir_intrinsic_component(instr);
- result = load_interpolated_input(ctx, interp_param, index,
- component,
- instr->dest.ssa.num_components,
- instr->dest.ssa.bit_size);
- break;
- }
- case nir_intrinsic_emit_vertex:
- ctx->abi->emit_vertex(ctx->abi, nir_intrinsic_stream_id(instr), ctx->abi->outputs);
- break;
- case nir_intrinsic_emit_vertex_with_counter: {
- unsigned stream = nir_intrinsic_stream_id(instr);
- LLVMValueRef next_vertex = get_src(ctx, instr->src[0]);
- ctx->abi->emit_vertex_with_counter(ctx->abi, stream,
- next_vertex,
- ctx->abi->outputs);
- break;
- }
- case nir_intrinsic_end_primitive:
- case nir_intrinsic_end_primitive_with_counter:
- ctx->abi->emit_primitive(ctx->abi, nir_intrinsic_stream_id(instr));
- break;
- case nir_intrinsic_load_tess_coord:
- result = ctx->abi->load_tess_coord(ctx->abi);
- break;
- case nir_intrinsic_load_tess_level_outer:
- result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_OUTER, false);
- break;
- case nir_intrinsic_load_tess_level_inner:
- result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_INNER, false);
- break;
- case nir_intrinsic_load_tess_level_outer_default:
- result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_OUTER, true);
- break;
- case nir_intrinsic_load_tess_level_inner_default:
- result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_INNER, true);
- break;
- case nir_intrinsic_load_patch_vertices_in:
- result = ctx->abi->load_patch_vertices_in(ctx->abi);
- break;
- case nir_intrinsic_vote_all: {
- LLVMValueRef tmp = ac_build_vote_all(&ctx->ac, get_src(ctx, instr->src[0]));
- result = LLVMBuildSExt(ctx->ac.builder, tmp, ctx->ac.i32, "");
- break;
- }
- case nir_intrinsic_vote_any: {
- LLVMValueRef tmp = ac_build_vote_any(&ctx->ac, get_src(ctx, instr->src[0]));
- result = LLVMBuildSExt(ctx->ac.builder, tmp, ctx->ac.i32, "");
- break;
- }
- case nir_intrinsic_shuffle:
- if (ctx->ac.chip_class == GFX8 ||
- ctx->ac.chip_class == GFX9 ||
- (ctx->ac.chip_class >= GFX10 && ctx->ac.wave_size == 32)) {
- result = ac_build_shuffle(&ctx->ac, get_src(ctx, instr->src[0]),
- get_src(ctx, instr->src[1]));
- } else {
- LLVMValueRef src = get_src(ctx, instr->src[0]);
- LLVMValueRef index = get_src(ctx, instr->src[1]);
- LLVMTypeRef type = LLVMTypeOf(src);
- struct waterfall_context wctx;
- LLVMValueRef index_val;
-
- index_val = enter_waterfall(ctx, &wctx, index, true);
-
- src = LLVMBuildZExt(ctx->ac.builder, src,
- ctx->ac.i32, "");
-
- result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.readlane",
- ctx->ac.i32,
- (LLVMValueRef []) { src, index_val }, 2,
- AC_FUNC_ATTR_READNONE |
- AC_FUNC_ATTR_CONVERGENT);
-
- result = LLVMBuildTrunc(ctx->ac.builder, result, type, "");
-
- result = exit_waterfall(ctx, &wctx, result);
- }
- break;
- case nir_intrinsic_reduce:
- result = ac_build_reduce(&ctx->ac,
- get_src(ctx, instr->src[0]),
- instr->const_index[0],
- instr->const_index[1]);
- break;
- case nir_intrinsic_inclusive_scan:
- result = ac_build_inclusive_scan(&ctx->ac,
- get_src(ctx, instr->src[0]),
- instr->const_index[0]);
- break;
- case nir_intrinsic_exclusive_scan:
- result = ac_build_exclusive_scan(&ctx->ac,
- get_src(ctx, instr->src[0]),
- instr->const_index[0]);
- break;
- case nir_intrinsic_quad_broadcast: {
- unsigned lane = nir_src_as_uint(instr->src[1]);
- result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]),
- lane, lane, lane, lane);
- break;
- }
- case nir_intrinsic_quad_swap_horizontal:
- result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 1, 0, 3 ,2);
- break;
- case nir_intrinsic_quad_swap_vertical:
- result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 2, 3, 0 ,1);
- break;
- case nir_intrinsic_quad_swap_diagonal:
- result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 3, 2, 1 ,0);
- break;
- case nir_intrinsic_quad_swizzle_amd: {
- uint32_t mask = nir_intrinsic_swizzle_mask(instr);
- result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]),
- mask & 0x3, (mask >> 2) & 0x3,
- (mask >> 4) & 0x3, (mask >> 6) & 0x3);
- break;
- }
- case nir_intrinsic_masked_swizzle_amd: {
- uint32_t mask = nir_intrinsic_swizzle_mask(instr);
- result = ac_build_ds_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), mask);
- break;
- }
- case nir_intrinsic_write_invocation_amd:
- result = ac_build_writelane(&ctx->ac, get_src(ctx, instr->src[0]),
- get_src(ctx, instr->src[1]),
- get_src(ctx, instr->src[2]));
- break;
- case nir_intrinsic_mbcnt_amd:
- result = ac_build_mbcnt(&ctx->ac, get_src(ctx, instr->src[0]));
- break;
- case nir_intrinsic_load_scratch: {
- LLVMValueRef offset = get_src(ctx, instr->src[0]);
- LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->scratch,
- offset);
- LLVMTypeRef comp_type =
- LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
- LLVMTypeRef vec_type =
- instr->dest.ssa.num_components == 1 ? comp_type :
- LLVMVectorType(comp_type, instr->dest.ssa.num_components);
- unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
- ptr = LLVMBuildBitCast(ctx->ac.builder, ptr,
- LLVMPointerType(vec_type, addr_space), "");
- result = LLVMBuildLoad(ctx->ac.builder, ptr, "");
- break;
- }
- case nir_intrinsic_store_scratch: {
- LLVMValueRef offset = get_src(ctx, instr->src[1]);
- LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->scratch,
- offset);
- LLVMTypeRef comp_type =
- LLVMIntTypeInContext(ctx->ac.context, instr->src[0].ssa->bit_size);
- unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
- ptr = LLVMBuildBitCast(ctx->ac.builder, ptr,
- LLVMPointerType(comp_type, addr_space), "");
- LLVMValueRef src = get_src(ctx, instr->src[0]);
- unsigned wrmask = nir_intrinsic_write_mask(instr);
- while (wrmask) {
- int start, count;
- u_bit_scan_consecutive_range(&wrmask, &start, &count);
-
- LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, start, false);
- LLVMValueRef offset_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &offset, 1, "");
- LLVMTypeRef vec_type =
- count == 1 ? comp_type : LLVMVectorType(comp_type, count);
- offset_ptr = LLVMBuildBitCast(ctx->ac.builder,
- offset_ptr,
- LLVMPointerType(vec_type, addr_space),
- "");
- LLVMValueRef offset_src =
- ac_extract_components(&ctx->ac, src, start, count);
- LLVMBuildStore(ctx->ac.builder, offset_src, offset_ptr);
- }
- break;
- }
- case nir_intrinsic_load_constant: {
- unsigned base = nir_intrinsic_base(instr);
- unsigned range = nir_intrinsic_range(instr);
-
- LLVMValueRef offset = get_src(ctx, instr->src[0]);
- offset = LLVMBuildAdd(ctx->ac.builder, offset,
- LLVMConstInt(ctx->ac.i32, base, false), "");
-
- /* Clamp the offset to avoid out-of-bound access because global
- * instructions can't handle them.
- */
- LLVMValueRef size = LLVMConstInt(ctx->ac.i32, base + range, false);
- LLVMValueRef cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntULT,
- offset, size, "");
- offset = LLVMBuildSelect(ctx->ac.builder, cond, offset, size, "");
-
- LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->constant_data,
- offset);
- LLVMTypeRef comp_type =
- LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
- LLVMTypeRef vec_type =
- instr->dest.ssa.num_components == 1 ? comp_type :
- LLVMVectorType(comp_type, instr->dest.ssa.num_components);
- unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
- ptr = LLVMBuildBitCast(ctx->ac.builder, ptr,
- LLVMPointerType(vec_type, addr_space), "");
- result = LLVMBuildLoad(ctx->ac.builder, ptr, "");
- break;
- }
- default:
- fprintf(stderr, "Unknown intrinsic: ");
- nir_print_instr(&instr->instr, stderr);
- fprintf(stderr, "\n");
- break;
- }
- if (result) {
- ctx->ssa_defs[instr->dest.ssa.index] = result;
- }
+ LLVMValueRef result = NULL;
+
+ switch (instr->intrinsic) {
+ case nir_intrinsic_ballot:
+ result = ac_build_ballot(&ctx->ac, get_src(ctx, instr->src[0]));
+ if (ctx->ac.ballot_mask_bits > ctx->ac.wave_size)
+ result = LLVMBuildZExt(ctx->ac.builder, result, ctx->ac.iN_ballotmask, "");
+ break;
+ case nir_intrinsic_read_invocation:
+ result =
+ ac_build_readlane(&ctx->ac, get_src(ctx, instr->src[0]), get_src(ctx, instr->src[1]));
+ break;
+ case nir_intrinsic_read_first_invocation:
+ result = ac_build_readlane(&ctx->ac, get_src(ctx, instr->src[0]), NULL);
+ break;
+ case nir_intrinsic_load_subgroup_invocation:
+ result = ac_get_thread_id(&ctx->ac);
+ break;
+ case nir_intrinsic_load_work_group_id: {
+ LLVMValueRef values[3];
+
+ for (int i = 0; i < 3; i++) {
+ values[i] = ctx->args->workgroup_ids[i].used
+ ? ac_get_arg(&ctx->ac, ctx->args->workgroup_ids[i])
+ : ctx->ac.i32_0;
+ }
+
+ result = ac_build_gather_values(&ctx->ac, values, 3);
+ break;
+ }
+ case nir_intrinsic_load_base_vertex:
+ case nir_intrinsic_load_first_vertex:
+ result = ctx->abi->load_base_vertex(ctx->abi);
+ break;
+ case nir_intrinsic_load_local_group_size:
+ result = ctx->abi->load_local_group_size(ctx->abi);
+ break;
+ case nir_intrinsic_load_vertex_id:
+ result = LLVMBuildAdd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->vertex_id),
+ ac_get_arg(&ctx->ac, ctx->args->base_vertex), "");
+ break;
+ case nir_intrinsic_load_vertex_id_zero_base: {
+ result = ctx->abi->vertex_id;
+ break;
+ }
+ case nir_intrinsic_load_local_invocation_id: {
+ result = ac_get_arg(&ctx->ac, ctx->args->local_invocation_ids);
+ break;
+ }
+ case nir_intrinsic_load_base_instance:
+ result = ac_get_arg(&ctx->ac, ctx->args->start_instance);
+ break;
+ case nir_intrinsic_load_draw_id:
+ result = ac_get_arg(&ctx->ac, ctx->args->draw_id);
+ break;
+ case nir_intrinsic_load_view_index:
+ result = ac_get_arg(&ctx->ac, ctx->args->view_index);
+ break;
+ case nir_intrinsic_load_invocation_id:
+ if (ctx->stage == MESA_SHADER_TESS_CTRL) {
+ result = ac_unpack_param(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->tcs_rel_ids), 8, 5);
+ } else {
+ if (ctx->ac.chip_class >= GFX10) {
+ result =
+ LLVMBuildAnd(ctx->ac.builder, ac_get_arg(&ctx->ac, ctx->args->gs_invocation_id),
+ LLVMConstInt(ctx->ac.i32, 127, 0), "");
+ } else {
+ result = ac_get_arg(&ctx->ac, ctx->args->gs_invocation_id);
+ }
+ }
+ break;
+ case nir_intrinsic_load_primitive_id:
+ if (ctx->stage == MESA_SHADER_GEOMETRY) {
+ result = ac_get_arg(&ctx->ac, ctx->args->gs_prim_id);
+ } else if (ctx->stage == MESA_SHADER_TESS_CTRL) {
+ result = ac_get_arg(&ctx->ac, ctx->args->tcs_patch_id);
+ } else if (ctx->stage == MESA_SHADER_TESS_EVAL) {
+ result = ac_get_arg(&ctx->ac, ctx->args->tes_patch_id);
+ } else
+ fprintf(stderr, "Unknown primitive id intrinsic: %d", ctx->stage);
+ break;
+ case nir_intrinsic_load_sample_id:
+ result = ac_unpack_param(&ctx->ac, ac_get_arg(&ctx->ac, ctx->args->ancillary), 8, 4);
+ break;
+ case nir_intrinsic_load_sample_pos:
+ result = load_sample_pos(ctx);
+ break;
+ case nir_intrinsic_load_sample_mask_in:
+ result = ctx->abi->load_sample_mask_in(ctx->abi);
+ break;
+ case nir_intrinsic_load_frag_coord: {
+ LLVMValueRef values[4] = {
+ ac_get_arg(&ctx->ac, ctx->args->frag_pos[0]), ac_get_arg(&ctx->ac, ctx->args->frag_pos[1]),
+ ac_get_arg(&ctx->ac, ctx->args->frag_pos[2]),
+ ac_build_fdiv(&ctx->ac, ctx->ac.f32_1, ac_get_arg(&ctx->ac, ctx->args->frag_pos[3]))};
+ result = ac_to_integer(&ctx->ac, ac_build_gather_values(&ctx->ac, values, 4));
+ break;
+ }
+ case nir_intrinsic_load_layer_id:
+ result = ctx->abi->inputs[ac_llvm_reg_index_soa(VARYING_SLOT_LAYER, 0)];
+ break;
+ case nir_intrinsic_load_front_face:
+ result = ac_get_arg(&ctx->ac, ctx->args->front_face);
+ break;
+ case nir_intrinsic_load_helper_invocation:
+ result = ac_build_load_helper_invocation(&ctx->ac);
+ break;
+ case nir_intrinsic_is_helper_invocation:
+ result = ac_build_is_helper_invocation(&ctx->ac);
+ break;
+ case nir_intrinsic_load_color0:
+ result = ctx->abi->color0;
+ break;
+ case nir_intrinsic_load_color1:
+ result = ctx->abi->color1;
+ break;
+ case nir_intrinsic_load_user_data_amd:
+ assert(LLVMTypeOf(ctx->abi->user_data) == ctx->ac.v4i32);
+ result = ctx->abi->user_data;
+ break;
+ case nir_intrinsic_load_instance_id:
+ result = ctx->abi->instance_id;
+ break;
+ case nir_intrinsic_load_num_work_groups:
+ result = ac_get_arg(&ctx->ac, ctx->args->num_work_groups);
+ break;
+ case nir_intrinsic_load_local_invocation_index:
+ result = visit_load_local_invocation_index(ctx);
+ break;
+ case nir_intrinsic_load_subgroup_id:
+ result = visit_load_subgroup_id(ctx);
+ break;
+ case nir_intrinsic_load_num_subgroups:
+ result = visit_load_num_subgroups(ctx);
+ break;
+ case nir_intrinsic_first_invocation:
+ result = visit_first_invocation(ctx);
+ break;
+ case nir_intrinsic_load_push_constant:
+ result = visit_load_push_constant(ctx, instr);
+ break;
+ case nir_intrinsic_vulkan_resource_index: {
+ LLVMValueRef index = get_src(ctx, instr->src[0]);
+ unsigned desc_set = nir_intrinsic_desc_set(instr);
+ unsigned binding = nir_intrinsic_binding(instr);
+
+ result = ctx->abi->load_resource(ctx->abi, index, desc_set, binding);
+ break;
+ }
+ case nir_intrinsic_vulkan_resource_reindex:
+ result = visit_vulkan_resource_reindex(ctx, instr);
+ break;
+ case nir_intrinsic_store_ssbo:
+ visit_store_ssbo(ctx, instr);
+ break;
+ case nir_intrinsic_load_ssbo:
+ result = visit_load_buffer(ctx, instr);
+ break;
+ case nir_intrinsic_ssbo_atomic_add:
+ case nir_intrinsic_ssbo_atomic_imin:
+ case nir_intrinsic_ssbo_atomic_umin:
+ case nir_intrinsic_ssbo_atomic_imax:
+ case nir_intrinsic_ssbo_atomic_umax:
+ case nir_intrinsic_ssbo_atomic_and:
+ case nir_intrinsic_ssbo_atomic_or:
+ case nir_intrinsic_ssbo_atomic_xor:
+ case nir_intrinsic_ssbo_atomic_exchange:
+ case nir_intrinsic_ssbo_atomic_comp_swap:
+ result = visit_atomic_ssbo(ctx, instr);
+ break;
+ case nir_intrinsic_load_ubo:
+ result = visit_load_ubo_buffer(ctx, instr);
+ break;
+ case nir_intrinsic_get_buffer_size:
+ result = visit_get_buffer_size(ctx, instr);
+ break;
+ case nir_intrinsic_load_deref:
+ result = visit_load_var(ctx, instr);
+ break;
+ case nir_intrinsic_store_deref:
+ visit_store_var(ctx, instr);
+ break;
+ case nir_intrinsic_load_input:
+ case nir_intrinsic_load_input_vertex:
+ case nir_intrinsic_load_per_vertex_input:
+ result = visit_load(ctx, instr, false);
+ break;
+ case nir_intrinsic_load_output:
+ case nir_intrinsic_load_per_vertex_output:
+ result = visit_load(ctx, instr, true);
+ break;
+ case nir_intrinsic_store_output:
+ case nir_intrinsic_store_per_vertex_output:
+ visit_store_output(ctx, instr);
+ break;
+ case nir_intrinsic_load_shared:
+ result = visit_load_shared(ctx, instr);
+ break;
+ case nir_intrinsic_store_shared:
+ visit_store_shared(ctx, instr);
+ break;
+ case nir_intrinsic_bindless_image_samples:
+ case nir_intrinsic_image_deref_samples:
+ result = visit_image_samples(ctx, instr);
+ break;
+ case nir_intrinsic_bindless_image_load:
+ result = visit_image_load(ctx, instr, true);
+ break;
+ case nir_intrinsic_image_deref_load:
+ result = visit_image_load(ctx, instr, false);
+ break;
+ case nir_intrinsic_bindless_image_store:
+ visit_image_store(ctx, instr, true);
+ break;
+ case nir_intrinsic_image_deref_store:
+ visit_image_store(ctx, instr, false);
+ break;
+ case nir_intrinsic_bindless_image_atomic_add:
+ case nir_intrinsic_bindless_image_atomic_imin:
+ case nir_intrinsic_bindless_image_atomic_umin:
+ case nir_intrinsic_bindless_image_atomic_imax:
+ case nir_intrinsic_bindless_image_atomic_umax:
+ case nir_intrinsic_bindless_image_atomic_and:
+ case nir_intrinsic_bindless_image_atomic_or:
+ case nir_intrinsic_bindless_image_atomic_xor:
+ case nir_intrinsic_bindless_image_atomic_exchange:
+ case nir_intrinsic_bindless_image_atomic_comp_swap:
+ case nir_intrinsic_bindless_image_atomic_inc_wrap:
+ case nir_intrinsic_bindless_image_atomic_dec_wrap:
+ result = visit_image_atomic(ctx, instr, true);
+ break;
+ case nir_intrinsic_image_deref_atomic_add:
+ case nir_intrinsic_image_deref_atomic_imin:
+ case nir_intrinsic_image_deref_atomic_umin:
+ case nir_intrinsic_image_deref_atomic_imax:
+ case nir_intrinsic_image_deref_atomic_umax:
+ case nir_intrinsic_image_deref_atomic_and:
+ case nir_intrinsic_image_deref_atomic_or:
+ case nir_intrinsic_image_deref_atomic_xor:
+ case nir_intrinsic_image_deref_atomic_exchange:
+ case nir_intrinsic_image_deref_atomic_comp_swap:
+ case nir_intrinsic_image_deref_atomic_inc_wrap:
+ case nir_intrinsic_image_deref_atomic_dec_wrap:
+ result = visit_image_atomic(ctx, instr, false);
+ break;
+ case nir_intrinsic_bindless_image_size:
+ result = visit_image_size(ctx, instr, true);
+ break;
+ case nir_intrinsic_image_deref_size:
+ result = visit_image_size(ctx, instr, false);
+ break;
+ case nir_intrinsic_shader_clock:
+ result = ac_build_shader_clock(&ctx->ac, nir_intrinsic_memory_scope(instr));
+ break;
+ case nir_intrinsic_discard:
+ case nir_intrinsic_discard_if:
+ emit_discard(ctx, instr);
+ break;
+ case nir_intrinsic_demote:
+ case nir_intrinsic_demote_if:
+ emit_demote(ctx, instr);
+ break;
+ case nir_intrinsic_memory_barrier:
+ case nir_intrinsic_group_memory_barrier:
+ case nir_intrinsic_memory_barrier_buffer:
+ case nir_intrinsic_memory_barrier_image:
+ case nir_intrinsic_memory_barrier_shared:
+ emit_membar(&ctx->ac, instr);
+ break;
+ case nir_intrinsic_scoped_barrier: {
+ assert(!(nir_intrinsic_memory_semantics(instr) &
+ (NIR_MEMORY_MAKE_AVAILABLE | NIR_MEMORY_MAKE_VISIBLE)));
+
+ nir_variable_mode modes = nir_intrinsic_memory_modes(instr);
+
+ unsigned wait_flags = 0;
+ if (modes & (nir_var_mem_global | nir_var_mem_ssbo))
+ wait_flags |= AC_WAIT_VLOAD | AC_WAIT_VSTORE;
+ if (modes & nir_var_mem_shared)
+ wait_flags |= AC_WAIT_LGKM;
+
+ if (wait_flags)
+ ac_build_waitcnt(&ctx->ac, wait_flags);
+
+ if (nir_intrinsic_execution_scope(instr) == NIR_SCOPE_WORKGROUP)
+ ac_emit_barrier(&ctx->ac, ctx->stage);
+ break;
+ }
+ case nir_intrinsic_memory_barrier_tcs_patch:
+ break;
+ case nir_intrinsic_control_barrier:
+ ac_emit_barrier(&ctx->ac, ctx->stage);
+ break;
+ case nir_intrinsic_shared_atomic_add:
+ case nir_intrinsic_shared_atomic_imin:
+ case nir_intrinsic_shared_atomic_umin:
+ case nir_intrinsic_shared_atomic_imax:
+ case nir_intrinsic_shared_atomic_umax:
+ case nir_intrinsic_shared_atomic_and:
+ case nir_intrinsic_shared_atomic_or:
+ case nir_intrinsic_shared_atomic_xor:
+ case nir_intrinsic_shared_atomic_exchange:
+ case nir_intrinsic_shared_atomic_comp_swap:
+ case nir_intrinsic_shared_atomic_fadd: {
+ LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0], instr->src[1].ssa->bit_size);
+ result = visit_var_atomic(ctx, instr, ptr, 1);
+ break;
+ }
+ case nir_intrinsic_deref_atomic_add:
+ case nir_intrinsic_deref_atomic_imin:
+ case nir_intrinsic_deref_atomic_umin:
+ case nir_intrinsic_deref_atomic_imax:
+ case nir_intrinsic_deref_atomic_umax:
+ case nir_intrinsic_deref_atomic_and:
+ case nir_intrinsic_deref_atomic_or:
+ case nir_intrinsic_deref_atomic_xor:
+ case nir_intrinsic_deref_atomic_exchange:
+ case nir_intrinsic_deref_atomic_comp_swap:
+ case nir_intrinsic_deref_atomic_fadd: {
+ LLVMValueRef ptr = get_src(ctx, instr->src[0]);
+ result = visit_var_atomic(ctx, instr, ptr, 1);
+ break;
+ }
+ case nir_intrinsic_load_barycentric_pixel:
+ result = barycentric_center(ctx, nir_intrinsic_interp_mode(instr));
+ break;
+ case nir_intrinsic_load_barycentric_centroid:
+ result = barycentric_centroid(ctx, nir_intrinsic_interp_mode(instr));
+ break;
+ case nir_intrinsic_load_barycentric_sample:
+ result = barycentric_sample(ctx, nir_intrinsic_interp_mode(instr));
+ break;
+ case nir_intrinsic_load_barycentric_model:
+ result = barycentric_model(ctx);
+ break;
+ case nir_intrinsic_load_barycentric_at_offset: {
+ LLVMValueRef offset = ac_to_float(&ctx->ac, get_src(ctx, instr->src[0]));
+ result = barycentric_offset(ctx, nir_intrinsic_interp_mode(instr), offset);
+ break;
+ }
+ case nir_intrinsic_load_barycentric_at_sample: {
+ LLVMValueRef sample_id = get_src(ctx, instr->src[0]);
+ result = barycentric_at_sample(ctx, nir_intrinsic_interp_mode(instr), sample_id);
+ break;
+ }
+ case nir_intrinsic_load_interpolated_input: {
+ /* We assume any indirect loads have been lowered away */
+ ASSERTED nir_const_value *offset = nir_src_as_const_value(instr->src[1]);
+ assert(offset);
+ assert(offset[0].i32 == 0);
+
+ LLVMValueRef interp_param = get_src(ctx, instr->src[0]);
+ unsigned index = nir_intrinsic_base(instr);
+ unsigned component = nir_intrinsic_component(instr);
+ result = load_interpolated_input(ctx, interp_param, index, component,
+ instr->dest.ssa.num_components, instr->dest.ssa.bit_size);
+ break;
+ }
+ case nir_intrinsic_emit_vertex:
+ ctx->abi->emit_vertex(ctx->abi, nir_intrinsic_stream_id(instr), ctx->abi->outputs);
+ break;
+ case nir_intrinsic_emit_vertex_with_counter: {
+ unsigned stream = nir_intrinsic_stream_id(instr);
+ LLVMValueRef next_vertex = get_src(ctx, instr->src[0]);
+ ctx->abi->emit_vertex_with_counter(ctx->abi, stream, next_vertex, ctx->abi->outputs);
+ break;
+ }
+ case nir_intrinsic_end_primitive:
+ case nir_intrinsic_end_primitive_with_counter:
+ ctx->abi->emit_primitive(ctx->abi, nir_intrinsic_stream_id(instr));
+ break;
+ case nir_intrinsic_load_tess_coord:
+ result = ctx->abi->load_tess_coord(ctx->abi);
+ break;
+ case nir_intrinsic_load_tess_level_outer:
+ result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_OUTER, false);
+ break;
+ case nir_intrinsic_load_tess_level_inner:
+ result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_INNER, false);
+ break;
+ case nir_intrinsic_load_tess_level_outer_default:
+ result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_OUTER, true);
+ break;
+ case nir_intrinsic_load_tess_level_inner_default:
+ result = ctx->abi->load_tess_level(ctx->abi, VARYING_SLOT_TESS_LEVEL_INNER, true);
+ break;
+ case nir_intrinsic_load_patch_vertices_in:
+ result = ctx->abi->load_patch_vertices_in(ctx->abi);
+ break;
+ case nir_intrinsic_vote_all: {
+ LLVMValueRef tmp = ac_build_vote_all(&ctx->ac, get_src(ctx, instr->src[0]));
+ result = LLVMBuildSExt(ctx->ac.builder, tmp, ctx->ac.i32, "");
+ break;
+ }
+ case nir_intrinsic_vote_any: {
+ LLVMValueRef tmp = ac_build_vote_any(&ctx->ac, get_src(ctx, instr->src[0]));
+ result = LLVMBuildSExt(ctx->ac.builder, tmp, ctx->ac.i32, "");
+ break;
+ }
+ case nir_intrinsic_shuffle:
+ if (ctx->ac.chip_class == GFX8 || ctx->ac.chip_class == GFX9 ||
+ (ctx->ac.chip_class >= GFX10 && ctx->ac.wave_size == 32)) {
+ result =
+ ac_build_shuffle(&ctx->ac, get_src(ctx, instr->src[0]), get_src(ctx, instr->src[1]));
+ } else {
+ LLVMValueRef src = get_src(ctx, instr->src[0]);
+ LLVMValueRef index = get_src(ctx, instr->src[1]);
+ LLVMTypeRef type = LLVMTypeOf(src);
+ struct waterfall_context wctx;
+ LLVMValueRef index_val;
+
+ index_val = enter_waterfall(ctx, &wctx, index, true);
+
+ src = LLVMBuildZExt(ctx->ac.builder, src, ctx->ac.i32, "");
+
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.readlane", ctx->ac.i32,
+ (LLVMValueRef[]){src, index_val}, 2,
+ AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT);
+
+ result = LLVMBuildTrunc(ctx->ac.builder, result, type, "");
+
+ result = exit_waterfall(ctx, &wctx, result);
+ }
+ break;
+ case nir_intrinsic_reduce:
+ result = ac_build_reduce(&ctx->ac, get_src(ctx, instr->src[0]), instr->const_index[0],
+ instr->const_index[1]);
+ break;
+ case nir_intrinsic_inclusive_scan:
+ result =
+ ac_build_inclusive_scan(&ctx->ac, get_src(ctx, instr->src[0]), instr->const_index[0]);
+ break;
+ case nir_intrinsic_exclusive_scan:
+ result =
+ ac_build_exclusive_scan(&ctx->ac, get_src(ctx, instr->src[0]), instr->const_index[0]);
+ break;
+ case nir_intrinsic_quad_broadcast: {
+ unsigned lane = nir_src_as_uint(instr->src[1]);
+ result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), lane, lane, lane, lane);
+ break;
+ }
+ case nir_intrinsic_quad_swap_horizontal:
+ result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 1, 0, 3, 2);
+ break;
+ case nir_intrinsic_quad_swap_vertical:
+ result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 2, 3, 0, 1);
+ break;
+ case nir_intrinsic_quad_swap_diagonal:
+ result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), 3, 2, 1, 0);
+ break;
+ case nir_intrinsic_quad_swizzle_amd: {
+ uint32_t mask = nir_intrinsic_swizzle_mask(instr);
+ result = ac_build_quad_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), mask & 0x3,
+ (mask >> 2) & 0x3, (mask >> 4) & 0x3, (mask >> 6) & 0x3);
+ break;
+ }
+ case nir_intrinsic_masked_swizzle_amd: {
+ uint32_t mask = nir_intrinsic_swizzle_mask(instr);
+ result = ac_build_ds_swizzle(&ctx->ac, get_src(ctx, instr->src[0]), mask);
+ break;
+ }
+ case nir_intrinsic_write_invocation_amd:
+ result = ac_build_writelane(&ctx->ac, get_src(ctx, instr->src[0]),
+ get_src(ctx, instr->src[1]), get_src(ctx, instr->src[2]));
+ break;
+ case nir_intrinsic_mbcnt_amd:
+ result = ac_build_mbcnt(&ctx->ac, get_src(ctx, instr->src[0]));
+ break;
+ case nir_intrinsic_load_scratch: {
+ LLVMValueRef offset = get_src(ctx, instr->src[0]);
+ LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->scratch, offset);
+ LLVMTypeRef comp_type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
+ LLVMTypeRef vec_type = instr->dest.ssa.num_components == 1
+ ? comp_type
+ : LLVMVectorType(comp_type, instr->dest.ssa.num_components);
+ unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
+ ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, LLVMPointerType(vec_type, addr_space), "");
+ result = LLVMBuildLoad(ctx->ac.builder, ptr, "");
+ break;
+ }
+ case nir_intrinsic_store_scratch: {
+ LLVMValueRef offset = get_src(ctx, instr->src[1]);
+ LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->scratch, offset);
+ LLVMTypeRef comp_type = LLVMIntTypeInContext(ctx->ac.context, instr->src[0].ssa->bit_size);
+ unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
+ ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, LLVMPointerType(comp_type, addr_space), "");
+ LLVMValueRef src = get_src(ctx, instr->src[0]);
+ unsigned wrmask = nir_intrinsic_write_mask(instr);
+ while (wrmask) {
+ int start, count;
+ u_bit_scan_consecutive_range(&wrmask, &start, &count);
+
+ LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, start, false);
+ LLVMValueRef offset_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &offset, 1, "");
+ LLVMTypeRef vec_type = count == 1 ? comp_type : LLVMVectorType(comp_type, count);
+ offset_ptr = LLVMBuildBitCast(ctx->ac.builder, offset_ptr,
+ LLVMPointerType(vec_type, addr_space), "");
+ LLVMValueRef offset_src = ac_extract_components(&ctx->ac, src, start, count);
+ LLVMBuildStore(ctx->ac.builder, offset_src, offset_ptr);
+ }
+ break;
+ }
+ case nir_intrinsic_load_constant: {
+ unsigned base = nir_intrinsic_base(instr);
+ unsigned range = nir_intrinsic_range(instr);
+
+ LLVMValueRef offset = get_src(ctx, instr->src[0]);
+ offset = LLVMBuildAdd(ctx->ac.builder, offset, LLVMConstInt(ctx->ac.i32, base, false), "");
+
+ /* Clamp the offset to avoid out-of-bound access because global
+ * instructions can't handle them.
+ */
+ LLVMValueRef size = LLVMConstInt(ctx->ac.i32, base + range, false);
+ LLVMValueRef cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntULT, offset, size, "");
+ offset = LLVMBuildSelect(ctx->ac.builder, cond, offset, size, "");
+
+ LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->constant_data, offset);
+ LLVMTypeRef comp_type = LLVMIntTypeInContext(ctx->ac.context, instr->dest.ssa.bit_size);
+ LLVMTypeRef vec_type = instr->dest.ssa.num_components == 1
+ ? comp_type
+ : LLVMVectorType(comp_type, instr->dest.ssa.num_components);
+ unsigned addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr));
+ ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, LLVMPointerType(vec_type, addr_space), "");
+ result = LLVMBuildLoad(ctx->ac.builder, ptr, "");
+ break;
+ }
+ default:
+ fprintf(stderr, "Unknown intrinsic: ");
+ nir_print_instr(&instr->instr, stderr);
+ fprintf(stderr, "\n");
+ break;
+ }
+ if (result) {
+ ctx->ssa_defs[instr->dest.ssa.index] = result;
+ }
}
-static LLVMValueRef get_bindless_index_from_uniform(struct ac_nir_context *ctx,
- unsigned base_index,
- unsigned constant_index,
- LLVMValueRef dynamic_index)
+static LLVMValueRef get_bindless_index_from_uniform(struct ac_nir_context *ctx, unsigned base_index,
+ unsigned constant_index,
+ LLVMValueRef dynamic_index)
{
- LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, base_index * 4, 0);
- LLVMValueRef index = LLVMBuildAdd(ctx->ac.builder, dynamic_index,
- LLVMConstInt(ctx->ac.i32, constant_index, 0), "");
+ LLVMValueRef offset = LLVMConstInt(ctx->ac.i32, base_index * 4, 0);
+ LLVMValueRef index = LLVMBuildAdd(ctx->ac.builder, dynamic_index,
+ LLVMConstInt(ctx->ac.i32, constant_index, 0), "");
- /* Bindless uniforms are 64bit so multiple index by 8 */
- index = LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i32, 8, 0), "");
- offset = LLVMBuildAdd(ctx->ac.builder, offset, index, "");
+ /* Bindless uniforms are 64bit so multiple index by 8 */
+ index = LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i32, 8, 0), "");
+ offset = LLVMBuildAdd(ctx->ac.builder, offset, index, "");
- LLVMValueRef ubo_index = ctx->abi->load_ubo(ctx->abi, ctx->ac.i32_0);
+ LLVMValueRef ubo_index = ctx->abi->load_ubo(ctx->abi, ctx->ac.i32_0);
- LLVMValueRef ret = ac_build_buffer_load(&ctx->ac, ubo_index, 1, NULL, offset,
- NULL, 0, 0, true, true);
+ LLVMValueRef ret =
+ ac_build_buffer_load(&ctx->ac, ubo_index, 1, NULL, offset, NULL, 0, 0, true, true);
- return LLVMBuildBitCast(ctx->ac.builder, ret, ctx->ac.i32, "");
+ return LLVMBuildBitCast(ctx->ac.builder, ret, ctx->ac.i32, "");
}
struct sampler_desc_address {
- unsigned descriptor_set;
- unsigned base_index; /* binding in vulkan */
- unsigned constant_index;
- LLVMValueRef dynamic_index;
- bool image;
- bool bindless;
+ unsigned descriptor_set;
+ unsigned base_index; /* binding in vulkan */
+ unsigned constant_index;
+ LLVMValueRef dynamic_index;
+ bool image;
+ bool bindless;
};
-static struct sampler_desc_address
-get_sampler_desc_internal(struct ac_nir_context *ctx,
- nir_deref_instr *deref_instr,
- const nir_instr *instr,
- bool image)
+static struct sampler_desc_address get_sampler_desc_internal(struct ac_nir_context *ctx,
+ nir_deref_instr *deref_instr,
+ const nir_instr *instr, bool image)
{
- LLVMValueRef index = NULL;
- unsigned constant_index = 0;
- unsigned descriptor_set;
- unsigned base_index;
- bool bindless = false;
-
- if (!deref_instr) {
- descriptor_set = 0;
- if (image) {
- nir_intrinsic_instr *img_instr = nir_instr_as_intrinsic(instr);
- base_index = 0;
- bindless = true;
- index = get_src(ctx, img_instr->src[0]);
- } else {
- nir_tex_instr *tex_instr = nir_instr_as_tex(instr);
- int sampSrcIdx = nir_tex_instr_src_index(tex_instr,
- nir_tex_src_sampler_handle);
- if (sampSrcIdx != -1) {
- base_index = 0;
- bindless = true;
- index = get_src(ctx, tex_instr->src[sampSrcIdx].src);
- } else {
- assert(tex_instr && !image);
- base_index = tex_instr->sampler_index;
- }
- }
- } else {
- while(deref_instr->deref_type != nir_deref_type_var) {
- if (deref_instr->deref_type == nir_deref_type_array) {
- unsigned array_size = glsl_get_aoa_size(deref_instr->type);
- if (!array_size)
- array_size = 1;
-
- if (nir_src_is_const(deref_instr->arr.index)) {
- constant_index += array_size * nir_src_as_uint(deref_instr->arr.index);
- } else {
- LLVMValueRef indirect = get_src(ctx, deref_instr->arr.index);
-
- indirect = LLVMBuildMul(ctx->ac.builder, indirect,
- LLVMConstInt(ctx->ac.i32, array_size, false), "");
-
- if (!index)
- index = indirect;
- else
- index = LLVMBuildAdd(ctx->ac.builder, index, indirect, "");
- }
-
- deref_instr = nir_src_as_deref(deref_instr->parent);
- } else if (deref_instr->deref_type == nir_deref_type_struct) {
- unsigned sidx = deref_instr->strct.index;
- deref_instr = nir_src_as_deref(deref_instr->parent);
- constant_index += glsl_get_struct_location_offset(deref_instr->type, sidx);
- } else {
- unreachable("Unsupported deref type");
- }
- }
- descriptor_set = deref_instr->var->data.descriptor_set;
-
- if (deref_instr->var->data.bindless) {
- /* For now just assert on unhandled variable types */
- assert(deref_instr->var->data.mode == nir_var_uniform);
-
- base_index = deref_instr->var->data.driver_location;
- bindless = true;
-
- index = index ? index : ctx->ac.i32_0;
- index = get_bindless_index_from_uniform(ctx, base_index,
- constant_index, index);
- } else
- base_index = deref_instr->var->data.binding;
- }
- return (struct sampler_desc_address) {
- .descriptor_set = descriptor_set,
- .base_index = base_index,
- .constant_index = constant_index,
- .dynamic_index = index,
- .image = image,
- .bindless = bindless,
- };
+ LLVMValueRef index = NULL;
+ unsigned constant_index = 0;
+ unsigned descriptor_set;
+ unsigned base_index;
+ bool bindless = false;
+
+ if (!deref_instr) {
+ descriptor_set = 0;
+ if (image) {
+ nir_intrinsic_instr *img_instr = nir_instr_as_intrinsic(instr);
+ base_index = 0;
+ bindless = true;
+ index = get_src(ctx, img_instr->src[0]);
+ } else {
+ nir_tex_instr *tex_instr = nir_instr_as_tex(instr);
+ int sampSrcIdx = nir_tex_instr_src_index(tex_instr, nir_tex_src_sampler_handle);
+ if (sampSrcIdx != -1) {
+ base_index = 0;
+ bindless = true;
+ index = get_src(ctx, tex_instr->src[sampSrcIdx].src);
+ } else {
+ assert(tex_instr && !image);
+ base_index = tex_instr->sampler_index;
+ }
+ }
+ } else {
+ while (deref_instr->deref_type != nir_deref_type_var) {
+ if (deref_instr->deref_type == nir_deref_type_array) {
+ unsigned array_size = glsl_get_aoa_size(deref_instr->type);
+ if (!array_size)
+ array_size = 1;
+
+ if (nir_src_is_const(deref_instr->arr.index)) {
+ constant_index += array_size * nir_src_as_uint(deref_instr->arr.index);
+ } else {
+ LLVMValueRef indirect = get_src(ctx, deref_instr->arr.index);
+
+ indirect = LLVMBuildMul(ctx->ac.builder, indirect,
+ LLVMConstInt(ctx->ac.i32, array_size, false), "");
+
+ if (!index)
+ index = indirect;
+ else
+ index = LLVMBuildAdd(ctx->ac.builder, index, indirect, "");
+ }
+
+ deref_instr = nir_src_as_deref(deref_instr->parent);
+ } else if (deref_instr->deref_type == nir_deref_type_struct) {
+ unsigned sidx = deref_instr->strct.index;
+ deref_instr = nir_src_as_deref(deref_instr->parent);
+ constant_index += glsl_get_struct_location_offset(deref_instr->type, sidx);
+ } else {
+ unreachable("Unsupported deref type");
+ }
+ }
+ descriptor_set = deref_instr->var->data.descriptor_set;
+
+ if (deref_instr->var->data.bindless) {
+ /* For now just assert on unhandled variable types */
+ assert(deref_instr->var->data.mode == nir_var_uniform);
+
+ base_index = deref_instr->var->data.driver_location;
+ bindless = true;
+
+ index = index ? index : ctx->ac.i32_0;
+ index = get_bindless_index_from_uniform(ctx, base_index, constant_index, index);
+ } else
+ base_index = deref_instr->var->data.binding;
+ }
+ return (struct sampler_desc_address){
+ .descriptor_set = descriptor_set,
+ .base_index = base_index,
+ .constant_index = constant_index,
+ .dynamic_index = index,
+ .image = image,
+ .bindless = bindless,
+ };
}
/* Extract any possibly divergent index into a separate value that can be fed
* into get_sampler_desc with the same arguments. */
-static LLVMValueRef get_sampler_desc_index(struct ac_nir_context *ctx,
- nir_deref_instr *deref_instr,
- const nir_instr *instr,
- bool image)
+static LLVMValueRef get_sampler_desc_index(struct ac_nir_context *ctx, nir_deref_instr *deref_instr,
+ const nir_instr *instr, bool image)
{
- struct sampler_desc_address addr = get_sampler_desc_internal(ctx, deref_instr, instr, image);
- return addr.dynamic_index;
+ struct sampler_desc_address addr = get_sampler_desc_internal(ctx, deref_instr, instr, image);
+ return addr.dynamic_index;
}
-static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx,
- nir_deref_instr *deref_instr,
- enum ac_descriptor_type desc_type,
- const nir_instr *instr,
- LLVMValueRef index,
- bool image, bool write)
+static LLVMValueRef get_sampler_desc(struct ac_nir_context *ctx, nir_deref_instr *deref_instr,
+ enum ac_descriptor_type desc_type, const nir_instr *instr,
+ LLVMValueRef index, bool image, bool write)
{
- struct sampler_desc_address addr = get_sampler_desc_internal(ctx, deref_instr, instr, image);
- return ctx->abi->load_sampler_desc(ctx->abi,
- addr.descriptor_set,
- addr.base_index,
- addr.constant_index, index,
- desc_type, addr.image, write, addr.bindless);
+ struct sampler_desc_address addr = get_sampler_desc_internal(ctx, deref_instr, instr, image);
+ return ctx->abi->load_sampler_desc(ctx->abi, addr.descriptor_set, addr.base_index,
+ addr.constant_index, index, desc_type, addr.image, write,
+ addr.bindless);
}
/* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL.
* GFX8:
* The ANISO_OVERRIDE sampler field enables this fix in TA.
*/
-static LLVMValueRef sici_fix_sampler_aniso(struct ac_nir_context *ctx,
- LLVMValueRef res, LLVMValueRef samp)
+static LLVMValueRef sici_fix_sampler_aniso(struct ac_nir_context *ctx, LLVMValueRef res,
+ LLVMValueRef samp)
{
- LLVMBuilderRef builder = ctx->ac.builder;
- LLVMValueRef img7, samp0;
-
- if (ctx->ac.chip_class >= GFX8)
- return samp;
-
- img7 = LLVMBuildExtractElement(builder, res,
- LLVMConstInt(ctx->ac.i32, 7, 0), "");
- samp0 = LLVMBuildExtractElement(builder, samp,
- LLVMConstInt(ctx->ac.i32, 0, 0), "");
- samp0 = LLVMBuildAnd(builder, samp0, img7, "");
- return LLVMBuildInsertElement(builder, samp, samp0,
- LLVMConstInt(ctx->ac.i32, 0, 0), "");
+ LLVMBuilderRef builder = ctx->ac.builder;
+ LLVMValueRef img7, samp0;
+
+ if (ctx->ac.chip_class >= GFX8)
+ return samp;
+
+ img7 = LLVMBuildExtractElement(builder, res, LLVMConstInt(ctx->ac.i32, 7, 0), "");
+ samp0 = LLVMBuildExtractElement(builder, samp, LLVMConstInt(ctx->ac.i32, 0, 0), "");
+ samp0 = LLVMBuildAnd(builder, samp0, img7, "");
+ return LLVMBuildInsertElement(builder, samp, samp0, LLVMConstInt(ctx->ac.i32, 0, 0), "");
}
-static void tex_fetch_ptrs(struct ac_nir_context *ctx,
- nir_tex_instr *instr,
- struct waterfall_context *wctx,
- LLVMValueRef *res_ptr, LLVMValueRef *samp_ptr,
- LLVMValueRef *fmask_ptr)
+static void tex_fetch_ptrs(struct ac_nir_context *ctx, nir_tex_instr *instr,
+ struct waterfall_context *wctx, LLVMValueRef *res_ptr,
+ LLVMValueRef *samp_ptr, LLVMValueRef *fmask_ptr)
{
- nir_deref_instr *texture_deref_instr = NULL;
- nir_deref_instr *sampler_deref_instr = NULL;
- int plane = -1;
-
- for (unsigned i = 0; i < instr->num_srcs; i++) {
- switch (instr->src[i].src_type) {
- case nir_tex_src_texture_deref:
- texture_deref_instr = nir_src_as_deref(instr->src[i].src);
- break;
- case nir_tex_src_sampler_deref:
- sampler_deref_instr = nir_src_as_deref(instr->src[i].src);
- break;
- case nir_tex_src_plane:
- plane = nir_src_as_int(instr->src[i].src);
- break;
- default:
- break;
- }
- }
-
- LLVMValueRef texture_dynamic_index = get_sampler_desc_index(ctx, texture_deref_instr,
- &instr->instr, false);
- if (!sampler_deref_instr)
- sampler_deref_instr = texture_deref_instr;
-
- LLVMValueRef sampler_dynamic_index = get_sampler_desc_index(ctx, sampler_deref_instr,
- &instr->instr, false);
- if (instr->texture_non_uniform)
- texture_dynamic_index = enter_waterfall(ctx, wctx + 0, texture_dynamic_index, true);
-
- if (instr->sampler_non_uniform)
- sampler_dynamic_index = enter_waterfall(ctx, wctx + 1, sampler_dynamic_index, true);
-
- enum ac_descriptor_type main_descriptor = instr->sampler_dim == GLSL_SAMPLER_DIM_BUF ? AC_DESC_BUFFER : AC_DESC_IMAGE;
-
- if (plane >= 0) {
- assert(instr->op != nir_texop_txf_ms &&
- instr->op != nir_texop_samples_identical);
- assert(instr->sampler_dim != GLSL_SAMPLER_DIM_BUF);
-
- main_descriptor = AC_DESC_PLANE_0 + plane;
- }
-
- if (instr->op == nir_texop_fragment_mask_fetch) {
- /* The fragment mask is fetched from the compressed
- * multisampled surface.
- */
- main_descriptor = AC_DESC_FMASK;
- }
-
- *res_ptr = get_sampler_desc(ctx, texture_deref_instr, main_descriptor, &instr->instr,
- texture_dynamic_index, false, false);
-
- if (samp_ptr) {
- *samp_ptr = get_sampler_desc(ctx, sampler_deref_instr, AC_DESC_SAMPLER, &instr->instr,
- sampler_dynamic_index, false, false);
- if (instr->sampler_dim < GLSL_SAMPLER_DIM_RECT)
- *samp_ptr = sici_fix_sampler_aniso(ctx, *res_ptr, *samp_ptr);
- }
- if (fmask_ptr && (instr->op == nir_texop_txf_ms ||
- instr->op == nir_texop_samples_identical))
- *fmask_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_FMASK,
- &instr->instr, texture_dynamic_index, false, false);
+ nir_deref_instr *texture_deref_instr = NULL;
+ nir_deref_instr *sampler_deref_instr = NULL;
+ int plane = -1;
+
+ for (unsigned i = 0; i < instr->num_srcs; i++) {
+ switch (instr->src[i].src_type) {
+ case nir_tex_src_texture_deref:
+ texture_deref_instr = nir_src_as_deref(instr->src[i].src);
+ break;
+ case nir_tex_src_sampler_deref:
+ sampler_deref_instr = nir_src_as_deref(instr->src[i].src);
+ break;
+ case nir_tex_src_plane:
+ plane = nir_src_as_int(instr->src[i].src);
+ break;
+ default:
+ break;
+ }
+ }
+
+ LLVMValueRef texture_dynamic_index =
+ get_sampler_desc_index(ctx, texture_deref_instr, &instr->instr, false);
+ if (!sampler_deref_instr)
+ sampler_deref_instr = texture_deref_instr;
+
+ LLVMValueRef sampler_dynamic_index =
+ get_sampler_desc_index(ctx, sampler_deref_instr, &instr->instr, false);
+ if (instr->texture_non_uniform)
+ texture_dynamic_index = enter_waterfall(ctx, wctx + 0, texture_dynamic_index, true);
+
+ if (instr->sampler_non_uniform)
+ sampler_dynamic_index = enter_waterfall(ctx, wctx + 1, sampler_dynamic_index, true);
+
+ enum ac_descriptor_type main_descriptor =
+ instr->sampler_dim == GLSL_SAMPLER_DIM_BUF ? AC_DESC_BUFFER : AC_DESC_IMAGE;
+
+ if (plane >= 0) {
+ assert(instr->op != nir_texop_txf_ms && instr->op != nir_texop_samples_identical);
+ assert(instr->sampler_dim != GLSL_SAMPLER_DIM_BUF);
+
+ main_descriptor = AC_DESC_PLANE_0 + plane;
+ }
+
+ if (instr->op == nir_texop_fragment_mask_fetch) {
+ /* The fragment mask is fetched from the compressed
+ * multisampled surface.
+ */
+ main_descriptor = AC_DESC_FMASK;
+ }
+
+ *res_ptr = get_sampler_desc(ctx, texture_deref_instr, main_descriptor, &instr->instr,
+ texture_dynamic_index, false, false);
+
+ if (samp_ptr) {
+ *samp_ptr = get_sampler_desc(ctx, sampler_deref_instr, AC_DESC_SAMPLER, &instr->instr,
+ sampler_dynamic_index, false, false);
+ if (instr->sampler_dim < GLSL_SAMPLER_DIM_RECT)
+ *samp_ptr = sici_fix_sampler_aniso(ctx, *res_ptr, *samp_ptr);
+ }
+ if (fmask_ptr && (instr->op == nir_texop_txf_ms || instr->op == nir_texop_samples_identical))
+ *fmask_ptr = get_sampler_desc(ctx, texture_deref_instr, AC_DESC_FMASK, &instr->instr,
+ texture_dynamic_index, false, false);
}
-static LLVMValueRef apply_round_slice(struct ac_llvm_context *ctx,
- LLVMValueRef coord)
+static LLVMValueRef apply_round_slice(struct ac_llvm_context *ctx, LLVMValueRef coord)
{
- coord = ac_to_float(ctx, coord);
- coord = ac_build_round(ctx, coord);
- coord = ac_to_integer(ctx, coord);
- return coord;
+ coord = ac_to_float(ctx, coord);
+ coord = ac_build_round(ctx, coord);
+ coord = ac_to_integer(ctx, coord);
+ return coord;
}
static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
{
- LLVMValueRef result = NULL;
- struct ac_image_args args = { 0 };
- LLVMValueRef fmask_ptr = NULL, sample_index = NULL;
- LLVMValueRef ddx = NULL, ddy = NULL;
- unsigned offset_src = 0;
- struct waterfall_context wctx[2] = {{{0}}};
-
- tex_fetch_ptrs(ctx, instr, wctx, &args.resource, &args.sampler, &fmask_ptr);
-
- for (unsigned i = 0; i < instr->num_srcs; i++) {
- switch (instr->src[i].src_type) {
- case nir_tex_src_coord: {
- LLVMValueRef coord = get_src(ctx, instr->src[i].src);
- for (unsigned chan = 0; chan < instr->coord_components; ++chan)
- args.coords[chan] = ac_llvm_extract_elem(&ctx->ac, coord, chan);
- break;
- }
- case nir_tex_src_projector:
- break;
- case nir_tex_src_comparator:
- if (instr->is_shadow) {
- args.compare = get_src(ctx, instr->src[i].src);
- args.compare = ac_to_float(&ctx->ac, args.compare);
- }
- break;
- case nir_tex_src_offset:
- args.offset = get_src(ctx, instr->src[i].src);
- offset_src = i;
- break;
- case nir_tex_src_bias:
- args.bias = get_src(ctx, instr->src[i].src);
- break;
- case nir_tex_src_lod: {
- if (nir_src_is_const(instr->src[i].src) && nir_src_as_uint(instr->src[i].src) == 0)
- args.level_zero = true;
- else
- args.lod = get_src(ctx, instr->src[i].src);
- break;
- }
- case nir_tex_src_ms_index:
- sample_index = get_src(ctx, instr->src[i].src);
- break;
- case nir_tex_src_ms_mcs:
- break;
- case nir_tex_src_ddx:
- ddx = get_src(ctx, instr->src[i].src);
- break;
- case nir_tex_src_ddy:
- ddy = get_src(ctx, instr->src[i].src);
- break;
- case nir_tex_src_min_lod:
- args.min_lod = get_src(ctx, instr->src[i].src);
- break;
- case nir_tex_src_texture_offset:
- case nir_tex_src_sampler_offset:
- case nir_tex_src_plane:
- default:
- break;
- }
- }
-
- if (instr->op == nir_texop_txs && instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
- result = get_buffer_size(ctx, args.resource, true);
- goto write_result;
- }
-
- if (instr->op == nir_texop_texture_samples) {
- LLVMValueRef res, samples, is_msaa;
- LLVMValueRef default_sample;
-
- res = LLVMBuildBitCast(ctx->ac.builder, args.resource, ctx->ac.v8i32, "");
- samples = LLVMBuildExtractElement(ctx->ac.builder, res,
- LLVMConstInt(ctx->ac.i32, 3, false), "");
- is_msaa = LLVMBuildLShr(ctx->ac.builder, samples,
- LLVMConstInt(ctx->ac.i32, 28, false), "");
- is_msaa = LLVMBuildAnd(ctx->ac.builder, is_msaa,
- LLVMConstInt(ctx->ac.i32, 0xe, false), "");
- is_msaa = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, is_msaa,
- LLVMConstInt(ctx->ac.i32, 0xe, false), "");
-
- samples = LLVMBuildLShr(ctx->ac.builder, samples,
- LLVMConstInt(ctx->ac.i32, 16, false), "");
- samples = LLVMBuildAnd(ctx->ac.builder, samples,
- LLVMConstInt(ctx->ac.i32, 0xf, false), "");
- samples = LLVMBuildShl(ctx->ac.builder, ctx->ac.i32_1,
- samples, "");
-
- if (ctx->abi->robust_buffer_access) {
- LLVMValueRef dword1, is_null_descriptor;
-
- /* Extract the second dword of the descriptor, if it's
- * all zero, then it's a null descriptor.
- */
- dword1 = LLVMBuildExtractElement(ctx->ac.builder, res,
- LLVMConstInt(ctx->ac.i32, 1, false), "");
- is_null_descriptor =
- LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, dword1,
- LLVMConstInt(ctx->ac.i32, 0, false), "");
- default_sample =
- LLVMBuildSelect(ctx->ac.builder, is_null_descriptor,
- ctx->ac.i32_0, ctx->ac.i32_1, "");
- } else {
- default_sample = ctx->ac.i32_1;
- }
-
- samples = LLVMBuildSelect(ctx->ac.builder, is_msaa, samples,
- default_sample, "");
- result = samples;
- goto write_result;
- }
-
- if (args.offset && instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms) {
- LLVMValueRef offset[3], pack;
- for (unsigned chan = 0; chan < 3; ++chan)
- offset[chan] = ctx->ac.i32_0;
-
- unsigned num_components = ac_get_llvm_num_components(args.offset);
- for (unsigned chan = 0; chan < num_components; chan++) {
- offset[chan] = ac_llvm_extract_elem(&ctx->ac, args.offset, chan);
- offset[chan] = LLVMBuildAnd(ctx->ac.builder, offset[chan],
- LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
- if (chan)
- offset[chan] = LLVMBuildShl(ctx->ac.builder, offset[chan],
- LLVMConstInt(ctx->ac.i32, chan * 8, false), "");
- }
- pack = LLVMBuildOr(ctx->ac.builder, offset[0], offset[1], "");
- pack = LLVMBuildOr(ctx->ac.builder, pack, offset[2], "");
- args.offset = pack;
- }
-
- /* Section 8.23.1 (Depth Texture Comparison Mode) of the
- * OpenGL 4.5 spec says:
- *
- * "If the texture’s internal format indicates a fixed-point
- * depth texture, then D_t and D_ref are clamped to the
- * range [0, 1]; otherwise no clamping is performed."
- *
- * TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT,
- * so the depth comparison value isn't clamped for Z16 and
- * Z24 anymore. Do it manually here for GFX8-9; GFX10 has
- * an explicitly clamped 32-bit float format.
- */
- if (args.compare &&
- ctx->ac.chip_class >= GFX8 &&
- ctx->ac.chip_class <= GFX9 &&
- ctx->abi->clamp_shadow_reference) {
- LLVMValueRef upgraded, clamped;
-
- upgraded = LLVMBuildExtractElement(ctx->ac.builder, args.sampler,
- LLVMConstInt(ctx->ac.i32, 3, false), "");
- upgraded = LLVMBuildLShr(ctx->ac.builder, upgraded,
- LLVMConstInt(ctx->ac.i32, 29, false), "");
- upgraded = LLVMBuildTrunc(ctx->ac.builder, upgraded, ctx->ac.i1, "");
- clamped = ac_build_clamp(&ctx->ac, args.compare);
- args.compare = LLVMBuildSelect(ctx->ac.builder, upgraded, clamped,
- args.compare, "");
- }
-
- /* pack derivatives */
- if (ddx || ddy) {
- int num_src_deriv_channels, num_dest_deriv_channels;
- switch (instr->sampler_dim) {
- case GLSL_SAMPLER_DIM_3D:
- case GLSL_SAMPLER_DIM_CUBE:
- num_src_deriv_channels = 3;
- num_dest_deriv_channels = 3;
- break;
- case GLSL_SAMPLER_DIM_2D:
- default:
- num_src_deriv_channels = 2;
- num_dest_deriv_channels = 2;
- break;
- case GLSL_SAMPLER_DIM_1D:
- num_src_deriv_channels = 1;
- if (ctx->ac.chip_class == GFX9) {
- num_dest_deriv_channels = 2;
- } else {
- num_dest_deriv_channels = 1;
- }
- break;
- }
-
- for (unsigned i = 0; i < num_src_deriv_channels; i++) {
- args.derivs[i] = ac_to_float(&ctx->ac,
- ac_llvm_extract_elem(&ctx->ac, ddx, i));
- args.derivs[num_dest_deriv_channels + i] = ac_to_float(&ctx->ac,
- ac_llvm_extract_elem(&ctx->ac, ddy, i));
- }
- for (unsigned i = num_src_deriv_channels; i < num_dest_deriv_channels; i++) {
- args.derivs[i] = ctx->ac.f32_0;
- args.derivs[num_dest_deriv_channels + i] = ctx->ac.f32_0;
- }
- }
-
- if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && args.coords[0]) {
- for (unsigned chan = 0; chan < instr->coord_components; chan++)
- args.coords[chan] = ac_to_float(&ctx->ac, args.coords[chan]);
- if (instr->coord_components == 3)
- args.coords[3] = LLVMGetUndef(ctx->ac.f32);
- ac_prepare_cube_coords(&ctx->ac,
- instr->op == nir_texop_txd, instr->is_array,
- instr->op == nir_texop_lod, args.coords, args.derivs);
- }
-
- /* Texture coordinates fixups */
- if (instr->coord_components > 1 &&
- instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
- instr->is_array &&
- instr->op != nir_texop_txf) {
- args.coords[1] = apply_round_slice(&ctx->ac, args.coords[1]);
- }
-
- if (instr->coord_components > 2 &&
- (instr->sampler_dim == GLSL_SAMPLER_DIM_2D ||
- instr->sampler_dim == GLSL_SAMPLER_DIM_MS ||
- instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS ||
- instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS) &&
- instr->is_array &&
- instr->op != nir_texop_txf &&
- instr->op != nir_texop_txf_ms &&
- instr->op != nir_texop_fragment_fetch &&
- instr->op != nir_texop_fragment_mask_fetch) {
- args.coords[2] = apply_round_slice(&ctx->ac, args.coords[2]);
- }
-
- if (ctx->ac.chip_class == GFX9 &&
- instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
- instr->op != nir_texop_lod) {
- LLVMValueRef filler;
- if (instr->op == nir_texop_txf)
- filler = ctx->ac.i32_0;
- else
- filler = LLVMConstReal(ctx->ac.f32, 0.5);
-
- if (instr->is_array)
- args.coords[2] = args.coords[1];
- args.coords[1] = filler;
- }
-
- /* Pack sample index */
- if (sample_index && (instr->op == nir_texop_txf_ms ||
- instr->op == nir_texop_fragment_fetch))
- args.coords[instr->coord_components] = sample_index;
-
- if (instr->op == nir_texop_samples_identical) {
- struct ac_image_args txf_args = { 0 };
- memcpy(txf_args.coords, args.coords, sizeof(txf_args.coords));
-
- txf_args.dmask = 0xf;
- txf_args.resource = fmask_ptr;
- txf_args.dim = instr->is_array ? ac_image_2darray : ac_image_2d;
- result = build_tex_intrinsic(ctx, instr, &txf_args);
-
- result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
- result = emit_int_cmp(&ctx->ac, LLVMIntEQ, result, ctx->ac.i32_0);
- goto write_result;
- }
-
- if ((instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS ||
- instr->sampler_dim == GLSL_SAMPLER_DIM_MS) &&
- instr->op != nir_texop_txs &&
- instr->op != nir_texop_fragment_fetch &&
- instr->op != nir_texop_fragment_mask_fetch) {
- unsigned sample_chan = instr->is_array ? 3 : 2;
- args.coords[sample_chan] = adjust_sample_index_using_fmask(
- &ctx->ac, args.coords[0], args.coords[1],
- instr->is_array ? args.coords[2] : NULL,
- args.coords[sample_chan], fmask_ptr);
- }
-
- if (args.offset && (instr->op == nir_texop_txf || instr->op == nir_texop_txf_ms)) {
- int num_offsets = instr->src[offset_src].src.ssa->num_components;
- num_offsets = MIN2(num_offsets, instr->coord_components);
- for (unsigned i = 0; i < num_offsets; ++i) {
- args.coords[i] = LLVMBuildAdd(
- ctx->ac.builder, args.coords[i],
- LLVMConstInt(ctx->ac.i32, nir_src_comp_as_uint(instr->src[offset_src].src, i), false), "");
- }
- args.offset = NULL;
- }
-
- /* DMASK was repurposed for GATHER4. 4 components are always
- * returned and DMASK works like a swizzle - it selects
- * the component to fetch. The only valid DMASK values are
- * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns
- * (red,red,red,red) etc.) The ISA document doesn't mention
- * this.
- */
- args.dmask = 0xf;
- if (instr->op == nir_texop_tg4) {
- if (instr->is_shadow)
- args.dmask = 1;
- else
- args.dmask = 1 << instr->component;
- }
-
- if (instr->sampler_dim != GLSL_SAMPLER_DIM_BUF) {
- args.dim = ac_get_sampler_dim(ctx->ac.chip_class, instr->sampler_dim, instr->is_array);
- args.unorm = instr->sampler_dim == GLSL_SAMPLER_DIM_RECT;
- }
-
- /* Adjust the number of coordinates because we only need (x,y) for 2D
- * multisampled images and (x,y,layer) for 2D multisampled layered
- * images or for multisampled input attachments.
- */
- if (instr->op == nir_texop_fragment_mask_fetch) {
- if (args.dim == ac_image_2dmsaa) {
- args.dim = ac_image_2d;
- } else {
- assert(args.dim == ac_image_2darraymsaa);
- args.dim = ac_image_2darray;
- }
- }
-
- assert(instr->dest.is_ssa);
- args.d16 = instr->dest.ssa.bit_size == 16;
-
- result = build_tex_intrinsic(ctx, instr, &args);
-
- if (instr->op == nir_texop_query_levels)
- result = LLVMBuildExtractElement(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 3, false), "");
- else if (instr->is_shadow && instr->is_new_style_shadow &&
- instr->op != nir_texop_txs && instr->op != nir_texop_lod &&
- instr->op != nir_texop_tg4)
- result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
- else if (instr->op == nir_texop_txs &&
- instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE &&
- instr->is_array) {
- LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
- LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
- LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, result, two, "");
- z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
- result = LLVMBuildInsertElement(ctx->ac.builder, result, z, two, "");
- } else if (ctx->ac.chip_class == GFX9 &&
- instr->op == nir_texop_txs &&
- instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
- instr->is_array) {
- LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
- LLVMValueRef layers = LLVMBuildExtractElement(ctx->ac.builder, result, two, "");
- result = LLVMBuildInsertElement(ctx->ac.builder, result, layers,
- ctx->ac.i32_1, "");
- } else if (instr->dest.ssa.num_components != 4)
- result = ac_trim_vector(&ctx->ac, result, instr->dest.ssa.num_components);
+ LLVMValueRef result = NULL;
+ struct ac_image_args args = {0};
+ LLVMValueRef fmask_ptr = NULL, sample_index = NULL;
+ LLVMValueRef ddx = NULL, ddy = NULL;
+ unsigned offset_src = 0;
+ struct waterfall_context wctx[2] = {{{0}}};
+
+ tex_fetch_ptrs(ctx, instr, wctx, &args.resource, &args.sampler, &fmask_ptr);
+
+ for (unsigned i = 0; i < instr->num_srcs; i++) {
+ switch (instr->src[i].src_type) {
+ case nir_tex_src_coord: {
+ LLVMValueRef coord = get_src(ctx, instr->src[i].src);
+ for (unsigned chan = 0; chan < instr->coord_components; ++chan)
+ args.coords[chan] = ac_llvm_extract_elem(&ctx->ac, coord, chan);
+ break;
+ }
+ case nir_tex_src_projector:
+ break;
+ case nir_tex_src_comparator:
+ if (instr->is_shadow) {
+ args.compare = get_src(ctx, instr->src[i].src);
+ args.compare = ac_to_float(&ctx->ac, args.compare);
+ }
+ break;
+ case nir_tex_src_offset:
+ args.offset = get_src(ctx, instr->src[i].src);
+ offset_src = i;
+ break;
+ case nir_tex_src_bias:
+ args.bias = get_src(ctx, instr->src[i].src);
+ break;
+ case nir_tex_src_lod: {
+ if (nir_src_is_const(instr->src[i].src) && nir_src_as_uint(instr->src[i].src) == 0)
+ args.level_zero = true;
+ else
+ args.lod = get_src(ctx, instr->src[i].src);
+ break;
+ }
+ case nir_tex_src_ms_index:
+ sample_index = get_src(ctx, instr->src[i].src);
+ break;
+ case nir_tex_src_ms_mcs:
+ break;
+ case nir_tex_src_ddx:
+ ddx = get_src(ctx, instr->src[i].src);
+ break;
+ case nir_tex_src_ddy:
+ ddy = get_src(ctx, instr->src[i].src);
+ break;
+ case nir_tex_src_min_lod:
+ args.min_lod = get_src(ctx, instr->src[i].src);
+ break;
+ case nir_tex_src_texture_offset:
+ case nir_tex_src_sampler_offset:
+ case nir_tex_src_plane:
+ default:
+ break;
+ }
+ }
+
+ if (instr->op == nir_texop_txs && instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
+ result = get_buffer_size(ctx, args.resource, true);
+ goto write_result;
+ }
+
+ if (instr->op == nir_texop_texture_samples) {
+ LLVMValueRef res, samples, is_msaa;
+ LLVMValueRef default_sample;
+
+ res = LLVMBuildBitCast(ctx->ac.builder, args.resource, ctx->ac.v8i32, "");
+ samples =
+ LLVMBuildExtractElement(ctx->ac.builder, res, LLVMConstInt(ctx->ac.i32, 3, false), "");
+ is_msaa = LLVMBuildLShr(ctx->ac.builder, samples, LLVMConstInt(ctx->ac.i32, 28, false), "");
+ is_msaa = LLVMBuildAnd(ctx->ac.builder, is_msaa, LLVMConstInt(ctx->ac.i32, 0xe, false), "");
+ is_msaa = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, is_msaa,
+ LLVMConstInt(ctx->ac.i32, 0xe, false), "");
+
+ samples = LLVMBuildLShr(ctx->ac.builder, samples, LLVMConstInt(ctx->ac.i32, 16, false), "");
+ samples = LLVMBuildAnd(ctx->ac.builder, samples, LLVMConstInt(ctx->ac.i32, 0xf, false), "");
+ samples = LLVMBuildShl(ctx->ac.builder, ctx->ac.i32_1, samples, "");
+
+ if (ctx->abi->robust_buffer_access) {
+ LLVMValueRef dword1, is_null_descriptor;
+
+ /* Extract the second dword of the descriptor, if it's
+ * all zero, then it's a null descriptor.
+ */
+ dword1 =
+ LLVMBuildExtractElement(ctx->ac.builder, res, LLVMConstInt(ctx->ac.i32, 1, false), "");
+ is_null_descriptor = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, dword1,
+ LLVMConstInt(ctx->ac.i32, 0, false), "");
+ default_sample =
+ LLVMBuildSelect(ctx->ac.builder, is_null_descriptor, ctx->ac.i32_0, ctx->ac.i32_1, "");
+ } else {
+ default_sample = ctx->ac.i32_1;
+ }
+
+ samples = LLVMBuildSelect(ctx->ac.builder, is_msaa, samples, default_sample, "");
+ result = samples;
+ goto write_result;
+ }
+
+ if (args.offset && instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms) {
+ LLVMValueRef offset[3], pack;
+ for (unsigned chan = 0; chan < 3; ++chan)
+ offset[chan] = ctx->ac.i32_0;
+
+ unsigned num_components = ac_get_llvm_num_components(args.offset);
+ for (unsigned chan = 0; chan < num_components; chan++) {
+ offset[chan] = ac_llvm_extract_elem(&ctx->ac, args.offset, chan);
+ offset[chan] =
+ LLVMBuildAnd(ctx->ac.builder, offset[chan], LLVMConstInt(ctx->ac.i32, 0x3f, false), "");
+ if (chan)
+ offset[chan] = LLVMBuildShl(ctx->ac.builder, offset[chan],
+ LLVMConstInt(ctx->ac.i32, chan * 8, false), "");
+ }
+ pack = LLVMBuildOr(ctx->ac.builder, offset[0], offset[1], "");
+ pack = LLVMBuildOr(ctx->ac.builder, pack, offset[2], "");
+ args.offset = pack;
+ }
+
+ /* Section 8.23.1 (Depth Texture Comparison Mode) of the
+ * OpenGL 4.5 spec says:
+ *
+ * "If the texture’s internal format indicates a fixed-point
+ * depth texture, then D_t and D_ref are clamped to the
+ * range [0, 1]; otherwise no clamping is performed."
+ *
+ * TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT,
+ * so the depth comparison value isn't clamped for Z16 and
+ * Z24 anymore. Do it manually here for GFX8-9; GFX10 has
+ * an explicitly clamped 32-bit float format.
+ */
+ if (args.compare && ctx->ac.chip_class >= GFX8 && ctx->ac.chip_class <= GFX9 &&
+ ctx->abi->clamp_shadow_reference) {
+ LLVMValueRef upgraded, clamped;
+
+ upgraded = LLVMBuildExtractElement(ctx->ac.builder, args.sampler,
+ LLVMConstInt(ctx->ac.i32, 3, false), "");
+ upgraded = LLVMBuildLShr(ctx->ac.builder, upgraded, LLVMConstInt(ctx->ac.i32, 29, false), "");
+ upgraded = LLVMBuildTrunc(ctx->ac.builder, upgraded, ctx->ac.i1, "");
+ clamped = ac_build_clamp(&ctx->ac, args.compare);
+ args.compare = LLVMBuildSelect(ctx->ac.builder, upgraded, clamped, args.compare, "");
+ }
+
+ /* pack derivatives */
+ if (ddx || ddy) {
+ int num_src_deriv_channels, num_dest_deriv_channels;
+ switch (instr->sampler_dim) {
+ case GLSL_SAMPLER_DIM_3D:
+ case GLSL_SAMPLER_DIM_CUBE:
+ num_src_deriv_channels = 3;
+ num_dest_deriv_channels = 3;
+ break;
+ case GLSL_SAMPLER_DIM_2D:
+ default:
+ num_src_deriv_channels = 2;
+ num_dest_deriv_channels = 2;
+ break;
+ case GLSL_SAMPLER_DIM_1D:
+ num_src_deriv_channels = 1;
+ if (ctx->ac.chip_class == GFX9) {
+ num_dest_deriv_channels = 2;
+ } else {
+ num_dest_deriv_channels = 1;
+ }
+ break;
+ }
+
+ for (unsigned i = 0; i < num_src_deriv_channels; i++) {
+ args.derivs[i] = ac_to_float(&ctx->ac, ac_llvm_extract_elem(&ctx->ac, ddx, i));
+ args.derivs[num_dest_deriv_channels + i] =
+ ac_to_float(&ctx->ac, ac_llvm_extract_elem(&ctx->ac, ddy, i));
+ }
+ for (unsigned i = num_src_deriv_channels; i < num_dest_deriv_channels; i++) {
+ args.derivs[i] = ctx->ac.f32_0;
+ args.derivs[num_dest_deriv_channels + i] = ctx->ac.f32_0;
+ }
+ }
+
+ if (instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE && args.coords[0]) {
+ for (unsigned chan = 0; chan < instr->coord_components; chan++)
+ args.coords[chan] = ac_to_float(&ctx->ac, args.coords[chan]);
+ if (instr->coord_components == 3)
+ args.coords[3] = LLVMGetUndef(ctx->ac.f32);
+ ac_prepare_cube_coords(&ctx->ac, instr->op == nir_texop_txd, instr->is_array,
+ instr->op == nir_texop_lod, args.coords, args.derivs);
+ }
+
+ /* Texture coordinates fixups */
+ if (instr->coord_components > 1 && instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
+ instr->is_array && instr->op != nir_texop_txf) {
+ args.coords[1] = apply_round_slice(&ctx->ac, args.coords[1]);
+ }
+
+ if (instr->coord_components > 2 &&
+ (instr->sampler_dim == GLSL_SAMPLER_DIM_2D || instr->sampler_dim == GLSL_SAMPLER_DIM_MS ||
+ instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS ||
+ instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS) &&
+ instr->is_array && instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms &&
+ instr->op != nir_texop_fragment_fetch && instr->op != nir_texop_fragment_mask_fetch) {
+ args.coords[2] = apply_round_slice(&ctx->ac, args.coords[2]);
+ }
+
+ if (ctx->ac.chip_class == GFX9 && instr->sampler_dim == GLSL_SAMPLER_DIM_1D &&
+ instr->op != nir_texop_lod) {
+ LLVMValueRef filler;
+ if (instr->op == nir_texop_txf)
+ filler = ctx->ac.i32_0;
+ else
+ filler = LLVMConstReal(ctx->ac.f32, 0.5);
+
+ if (instr->is_array)
+ args.coords[2] = args.coords[1];
+ args.coords[1] = filler;
+ }
+
+ /* Pack sample index */
+ if (sample_index && (instr->op == nir_texop_txf_ms || instr->op == nir_texop_fragment_fetch))
+ args.coords[instr->coord_components] = sample_index;
+
+ if (instr->op == nir_texop_samples_identical) {
+ struct ac_image_args txf_args = {0};
+ memcpy(txf_args.coords, args.coords, sizeof(txf_args.coords));
+
+ txf_args.dmask = 0xf;
+ txf_args.resource = fmask_ptr;
+ txf_args.dim = instr->is_array ? ac_image_2darray : ac_image_2d;
+ result = build_tex_intrinsic(ctx, instr, &txf_args);
+
+ result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
+ result = emit_int_cmp(&ctx->ac, LLVMIntEQ, result, ctx->ac.i32_0);
+ goto write_result;
+ }
+
+ if ((instr->sampler_dim == GLSL_SAMPLER_DIM_SUBPASS_MS ||
+ instr->sampler_dim == GLSL_SAMPLER_DIM_MS) &&
+ instr->op != nir_texop_txs && instr->op != nir_texop_fragment_fetch &&
+ instr->op != nir_texop_fragment_mask_fetch) {
+ unsigned sample_chan = instr->is_array ? 3 : 2;
+ args.coords[sample_chan] = adjust_sample_index_using_fmask(
+ &ctx->ac, args.coords[0], args.coords[1], instr->is_array ? args.coords[2] : NULL,
+ args.coords[sample_chan], fmask_ptr);
+ }
+
+ if (args.offset && (instr->op == nir_texop_txf || instr->op == nir_texop_txf_ms)) {
+ int num_offsets = instr->src[offset_src].src.ssa->num_components;
+ num_offsets = MIN2(num_offsets, instr->coord_components);
+ for (unsigned i = 0; i < num_offsets; ++i) {
+ args.coords[i] = LLVMBuildAdd(
+ ctx->ac.builder, args.coords[i],
+ LLVMConstInt(ctx->ac.i32, nir_src_comp_as_uint(instr->src[offset_src].src, i), false),
+ "");
+ }
+ args.offset = NULL;
+ }
+
+ /* DMASK was repurposed for GATHER4. 4 components are always
+ * returned and DMASK works like a swizzle - it selects
+ * the component to fetch. The only valid DMASK values are
+ * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns
+ * (red,red,red,red) etc.) The ISA document doesn't mention
+ * this.
+ */
+ args.dmask = 0xf;
+ if (instr->op == nir_texop_tg4) {
+ if (instr->is_shadow)
+ args.dmask = 1;
+ else
+ args.dmask = 1 << instr->component;
+ }
+
+ if (instr->sampler_dim != GLSL_SAMPLER_DIM_BUF) {
+ args.dim = ac_get_sampler_dim(ctx->ac.chip_class, instr->sampler_dim, instr->is_array);
+ args.unorm = instr->sampler_dim == GLSL_SAMPLER_DIM_RECT;
+ }
+
+ /* Adjust the number of coordinates because we only need (x,y) for 2D
+ * multisampled images and (x,y,layer) for 2D multisampled layered
+ * images or for multisampled input attachments.
+ */
+ if (instr->op == nir_texop_fragment_mask_fetch) {
+ if (args.dim == ac_image_2dmsaa) {
+ args.dim = ac_image_2d;
+ } else {
+ assert(args.dim == ac_image_2darraymsaa);
+ args.dim = ac_image_2darray;
+ }
+ }
+
+ assert(instr->dest.is_ssa);
+ args.d16 = instr->dest.ssa.bit_size == 16;
+
+ result = build_tex_intrinsic(ctx, instr, &args);
+
+ if (instr->op == nir_texop_query_levels)
+ result =
+ LLVMBuildExtractElement(ctx->ac.builder, result, LLVMConstInt(ctx->ac.i32, 3, false), "");
+ else if (instr->is_shadow && instr->is_new_style_shadow && instr->op != nir_texop_txs &&
+ instr->op != nir_texop_lod && instr->op != nir_texop_tg4)
+ result = LLVMBuildExtractElement(ctx->ac.builder, result, ctx->ac.i32_0, "");
+ else if (instr->op == nir_texop_txs && instr->sampler_dim == GLSL_SAMPLER_DIM_CUBE &&
+ instr->is_array) {
+ LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
+ LLVMValueRef six = LLVMConstInt(ctx->ac.i32, 6, false);
+ LLVMValueRef z = LLVMBuildExtractElement(ctx->ac.builder, result, two, "");
+ z = LLVMBuildSDiv(ctx->ac.builder, z, six, "");
+ result = LLVMBuildInsertElement(ctx->ac.builder, result, z, two, "");
+ } else if (ctx->ac.chip_class == GFX9 && instr->op == nir_texop_txs &&
+ instr->sampler_dim == GLSL_SAMPLER_DIM_1D && instr->is_array) {
+ LLVMValueRef two = LLVMConstInt(ctx->ac.i32, 2, false);
+ LLVMValueRef layers = LLVMBuildExtractElement(ctx->ac.builder, result, two, "");
+ result = LLVMBuildInsertElement(ctx->ac.builder, result, layers, ctx->ac.i32_1, "");
+ } else if (instr->dest.ssa.num_components != 4)
+ result = ac_trim_vector(&ctx->ac, result, instr->dest.ssa.num_components);
write_result:
- if (result) {
- assert(instr->dest.is_ssa);
- result = ac_to_integer(&ctx->ac, result);
+ if (result) {
+ assert(instr->dest.is_ssa);
+ result = ac_to_integer(&ctx->ac, result);
- for (int i = ARRAY_SIZE(wctx); --i >= 0;) {
- result = exit_waterfall(ctx, wctx + i, result);
- }
+ for (int i = ARRAY_SIZE(wctx); --i >= 0;) {
+ result = exit_waterfall(ctx, wctx + i, result);
+ }
- ctx->ssa_defs[instr->dest.ssa.index] = result;
- }
+ ctx->ssa_defs[instr->dest.ssa.index] = result;
+ }
}
static void visit_phi(struct ac_nir_context *ctx, nir_phi_instr *instr)
{
- LLVMTypeRef type = get_def_type(ctx, &instr->dest.ssa);
- LLVMValueRef result = LLVMBuildPhi(ctx->ac.builder, type, "");
+ LLVMTypeRef type = get_def_type(ctx, &instr->dest.ssa);
+ LLVMValueRef result = LLVMBuildPhi(ctx->ac.builder, type, "");
- ctx->ssa_defs[instr->dest.ssa.index] = result;
- _mesa_hash_table_insert(ctx->phis, instr, result);
+ ctx->ssa_defs[instr->dest.ssa.index] = result;
+ _mesa_hash_table_insert(ctx->phis, instr, result);
}
-static void visit_post_phi(struct ac_nir_context *ctx,
- nir_phi_instr *instr,
- LLVMValueRef llvm_phi)
+static void visit_post_phi(struct ac_nir_context *ctx, nir_phi_instr *instr, LLVMValueRef llvm_phi)
{
- nir_foreach_phi_src(src, instr) {
- LLVMBasicBlockRef block = get_block(ctx, src->pred);
- LLVMValueRef llvm_src = get_src(ctx, src->src);
+ nir_foreach_phi_src (src, instr) {
+ LLVMBasicBlockRef block = get_block(ctx, src->pred);
+ LLVMValueRef llvm_src = get_src(ctx, src->src);
- LLVMAddIncoming(llvm_phi, &llvm_src, &block, 1);
- }
+ LLVMAddIncoming(llvm_phi, &llvm_src, &block, 1);
+ }
}
static void phi_post_pass(struct ac_nir_context *ctx)
{
- hash_table_foreach(ctx->phis, entry) {
- visit_post_phi(ctx, (nir_phi_instr*)entry->key,
- (LLVMValueRef)entry->data);
- }
+ hash_table_foreach(ctx->phis, entry)
+ {
+ visit_post_phi(ctx, (nir_phi_instr *)entry->key, (LLVMValueRef)entry->data);
+ }
}
-
-static bool is_def_used_in_an_export(const nir_ssa_def* def) {
- nir_foreach_use(use_src, def) {
- if (use_src->parent_instr->type == nir_instr_type_intrinsic) {
- nir_intrinsic_instr *instr = nir_instr_as_intrinsic(use_src->parent_instr);
- if (instr->intrinsic == nir_intrinsic_store_deref)
- return true;
- } else if (use_src->parent_instr->type == nir_instr_type_alu) {
- nir_alu_instr *instr = nir_instr_as_alu(use_src->parent_instr);
- if (instr->op == nir_op_vec4 &&
- is_def_used_in_an_export(&instr->dest.dest.ssa)) {
- return true;
- }
- }
- }
- return false;
+static bool is_def_used_in_an_export(const nir_ssa_def *def)
+{
+ nir_foreach_use (use_src, def) {
+ if (use_src->parent_instr->type == nir_instr_type_intrinsic) {
+ nir_intrinsic_instr *instr = nir_instr_as_intrinsic(use_src->parent_instr);
+ if (instr->intrinsic == nir_intrinsic_store_deref)
+ return true;
+ } else if (use_src->parent_instr->type == nir_instr_type_alu) {
+ nir_alu_instr *instr = nir_instr_as_alu(use_src->parent_instr);
+ if (instr->op == nir_op_vec4 && is_def_used_in_an_export(&instr->dest.dest.ssa)) {
+ return true;
+ }
+ }
+ }
+ return false;
}
-static void visit_ssa_undef(struct ac_nir_context *ctx,
- const nir_ssa_undef_instr *instr)
+static void visit_ssa_undef(struct ac_nir_context *ctx, const nir_ssa_undef_instr *instr)
{
- unsigned num_components = instr->def.num_components;
- LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->def.bit_size);
-
- if (!ctx->abi->convert_undef_to_zero || is_def_used_in_an_export(&instr->def)) {
- LLVMValueRef undef;
-
- if (num_components == 1)
- undef = LLVMGetUndef(type);
- else {
- undef = LLVMGetUndef(LLVMVectorType(type, num_components));
- }
- ctx->ssa_defs[instr->def.index] = undef;
- } else {
- LLVMValueRef zero = LLVMConstInt(type, 0, false);
- if (num_components > 1) {
- zero = ac_build_gather_values_extended(
- &ctx->ac, &zero, 4, 0, false, false);
- }
- ctx->ssa_defs[instr->def.index] = zero;
- }
+ unsigned num_components = instr->def.num_components;
+ LLVMTypeRef type = LLVMIntTypeInContext(ctx->ac.context, instr->def.bit_size);
+
+ if (!ctx->abi->convert_undef_to_zero || is_def_used_in_an_export(&instr->def)) {
+ LLVMValueRef undef;
+
+ if (num_components == 1)
+ undef = LLVMGetUndef(type);
+ else {
+ undef = LLVMGetUndef(LLVMVectorType(type, num_components));
+ }
+ ctx->ssa_defs[instr->def.index] = undef;
+ } else {
+ LLVMValueRef zero = LLVMConstInt(type, 0, false);
+ if (num_components > 1) {
+ zero = ac_build_gather_values_extended(&ctx->ac, &zero, 4, 0, false, false);
+ }
+ ctx->ssa_defs[instr->def.index] = zero;
+ }
}
-static void visit_jump(struct ac_llvm_context *ctx,
- const nir_jump_instr *instr)
+static void visit_jump(struct ac_llvm_context *ctx, const nir_jump_instr *instr)
{
- switch (instr->type) {
- case nir_jump_break:
- ac_build_break(ctx);
- break;
- case nir_jump_continue:
- ac_build_continue(ctx);
- break;
- default:
- fprintf(stderr, "Unknown NIR jump instr: ");
- nir_print_instr(&instr->instr, stderr);
- fprintf(stderr, "\n");
- abort();
- }
+ switch (instr->type) {
+ case nir_jump_break:
+ ac_build_break(ctx);
+ break;
+ case nir_jump_continue:
+ ac_build_continue(ctx);
+ break;
+ default:
+ fprintf(stderr, "Unknown NIR jump instr: ");
+ nir_print_instr(&instr->instr, stderr);
+ fprintf(stderr, "\n");
+ abort();
+ }
}
-static LLVMTypeRef
-glsl_base_to_llvm_type(struct ac_llvm_context *ac,
- enum glsl_base_type type)
+static LLVMTypeRef glsl_base_to_llvm_type(struct ac_llvm_context *ac, enum glsl_base_type type)
{
- switch (type) {
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_BOOL:
- case GLSL_TYPE_SUBROUTINE:
- return ac->i32;
- case GLSL_TYPE_INT8:
- case GLSL_TYPE_UINT8:
- return ac->i8;
- case GLSL_TYPE_INT16:
- case GLSL_TYPE_UINT16:
- return ac->i16;
- case GLSL_TYPE_FLOAT:
- return ac->f32;
- case GLSL_TYPE_FLOAT16:
- return ac->f16;
- case GLSL_TYPE_INT64:
- case GLSL_TYPE_UINT64:
- return ac->i64;
- case GLSL_TYPE_DOUBLE:
- return ac->f64;
- default:
- unreachable("unknown GLSL type");
- }
+ switch (type) {
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_BOOL:
+ case GLSL_TYPE_SUBROUTINE:
+ return ac->i32;
+ case GLSL_TYPE_INT8:
+ case GLSL_TYPE_UINT8:
+ return ac->i8;
+ case GLSL_TYPE_INT16:
+ case GLSL_TYPE_UINT16:
+ return ac->i16;
+ case GLSL_TYPE_FLOAT:
+ return ac->f32;
+ case GLSL_TYPE_FLOAT16:
+ return ac->f16;
+ case GLSL_TYPE_INT64:
+ case GLSL_TYPE_UINT64:
+ return ac->i64;
+ case GLSL_TYPE_DOUBLE:
+ return ac->f64;
+ default:
+ unreachable("unknown GLSL type");
+ }
}
-static LLVMTypeRef
-glsl_to_llvm_type(struct ac_llvm_context *ac,
- const struct glsl_type *type)
+static LLVMTypeRef glsl_to_llvm_type(struct ac_llvm_context *ac, const struct glsl_type *type)
{
- if (glsl_type_is_scalar(type)) {
- return glsl_base_to_llvm_type(ac, glsl_get_base_type(type));
- }
-
- if (glsl_type_is_vector(type)) {
- return LLVMVectorType(
- glsl_base_to_llvm_type(ac, glsl_get_base_type(type)),
- glsl_get_vector_elements(type));
- }
-
- if (glsl_type_is_matrix(type)) {
- return LLVMArrayType(
- glsl_to_llvm_type(ac, glsl_get_column_type(type)),
- glsl_get_matrix_columns(type));
- }
-
- if (glsl_type_is_array(type)) {
- return LLVMArrayType(
- glsl_to_llvm_type(ac, glsl_get_array_element(type)),
- glsl_get_length(type));
- }
-
- assert(glsl_type_is_struct_or_ifc(type));
-
- LLVMTypeRef member_types[glsl_get_length(type)];
-
- for (unsigned i = 0; i < glsl_get_length(type); i++) {
- member_types[i] =
- glsl_to_llvm_type(ac,
- glsl_get_struct_field(type, i));
- }
-
- return LLVMStructTypeInContext(ac->context, member_types,
- glsl_get_length(type), false);
+ if (glsl_type_is_scalar(type)) {
+ return glsl_base_to_llvm_type(ac, glsl_get_base_type(type));
+ }
+
+ if (glsl_type_is_vector(type)) {
+ return LLVMVectorType(glsl_base_to_llvm_type(ac, glsl_get_base_type(type)),
+ glsl_get_vector_elements(type));
+ }
+
+ if (glsl_type_is_matrix(type)) {
+ return LLVMArrayType(glsl_to_llvm_type(ac, glsl_get_column_type(type)),
+ glsl_get_matrix_columns(type));
+ }
+
+ if (glsl_type_is_array(type)) {
+ return LLVMArrayType(glsl_to_llvm_type(ac, glsl_get_array_element(type)),
+ glsl_get_length(type));
+ }
+
+ assert(glsl_type_is_struct_or_ifc(type));
+
+ LLVMTypeRef member_types[glsl_get_length(type)];
+
+ for (unsigned i = 0; i < glsl_get_length(type); i++) {
+ member_types[i] = glsl_to_llvm_type(ac, glsl_get_struct_field(type, i));
+ }
+
+ return LLVMStructTypeInContext(ac->context, member_types, glsl_get_length(type), false);
}
-static void visit_deref(struct ac_nir_context *ctx,
- nir_deref_instr *instr)
+static void visit_deref(struct ac_nir_context *ctx, nir_deref_instr *instr)
{
- if (instr->mode != nir_var_mem_shared &&
- instr->mode != nir_var_mem_global)
- return;
-
- LLVMValueRef result = NULL;
- switch(instr->deref_type) {
- case nir_deref_type_var: {
- struct hash_entry *entry = _mesa_hash_table_search(ctx->vars, instr->var);
- result = entry->data;
- break;
- }
- case nir_deref_type_struct:
- if (instr->mode == nir_var_mem_global) {
- nir_deref_instr *parent = nir_deref_instr_parent(instr);
- uint64_t offset = glsl_get_struct_field_offset(parent->type,
- instr->strct.index);
- result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent),
- LLVMConstInt(ctx->ac.i32, offset, 0));
- } else {
- result = ac_build_gep0(&ctx->ac, get_src(ctx, instr->parent),
- LLVMConstInt(ctx->ac.i32, instr->strct.index, 0));
- }
- break;
- case nir_deref_type_array:
- if (instr->mode == nir_var_mem_global) {
- nir_deref_instr *parent = nir_deref_instr_parent(instr);
- unsigned stride = glsl_get_explicit_stride(parent->type);
-
- if ((glsl_type_is_matrix(parent->type) &&
- glsl_matrix_type_is_row_major(parent->type)) ||
- (glsl_type_is_vector(parent->type) && stride == 0))
- stride = type_scalar_size_bytes(parent->type);
-
- assert(stride > 0);
- LLVMValueRef index = get_src(ctx, instr->arr.index);
- if (LLVMTypeOf(index) != ctx->ac.i64)
- index = LLVMBuildZExt(ctx->ac.builder, index, ctx->ac.i64, "");
-
- LLVMValueRef offset = LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i64, stride, 0), "");
-
- result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent), offset);
- } else {
- result = ac_build_gep0(&ctx->ac, get_src(ctx, instr->parent),
- get_src(ctx, instr->arr.index));
- }
- break;
- case nir_deref_type_ptr_as_array:
- if (instr->mode == nir_var_mem_global) {
- unsigned stride = nir_deref_instr_array_stride(instr);
-
- LLVMValueRef index = get_src(ctx, instr->arr.index);
- if (LLVMTypeOf(index) != ctx->ac.i64)
- index = LLVMBuildZExt(ctx->ac.builder, index, ctx->ac.i64, "");
-
- LLVMValueRef offset = LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i64, stride, 0), "");
-
- result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent), offset);
- } else {
- result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent),
- get_src(ctx, instr->arr.index));
- }
- break;
- case nir_deref_type_cast: {
- result = get_src(ctx, instr->parent);
-
- /* We can't use the structs from LLVM because the shader
- * specifies its own offsets. */
- LLVMTypeRef pointee_type = ctx->ac.i8;
- if (instr->mode == nir_var_mem_shared)
- pointee_type = glsl_to_llvm_type(&ctx->ac, instr->type);
-
- unsigned address_space;
-
- switch(instr->mode) {
- case nir_var_mem_shared:
- address_space = AC_ADDR_SPACE_LDS;
- break;
- case nir_var_mem_global:
- address_space = AC_ADDR_SPACE_GLOBAL;
- break;
- default:
- unreachable("Unhandled address space");
- }
-
- LLVMTypeRef type = LLVMPointerType(pointee_type, address_space);
-
- if (LLVMTypeOf(result) != type) {
- if (LLVMGetTypeKind(LLVMTypeOf(result)) == LLVMVectorTypeKind) {
- result = LLVMBuildBitCast(ctx->ac.builder, result,
- type, "");
- } else {
- result = LLVMBuildIntToPtr(ctx->ac.builder, result,
- type, "");
- }
- }
- break;
- }
- default:
- unreachable("Unhandled deref_instr deref type");
- }
-
- ctx->ssa_defs[instr->dest.ssa.index] = result;
+ if (instr->mode != nir_var_mem_shared && instr->mode != nir_var_mem_global)
+ return;
+
+ LLVMValueRef result = NULL;
+ switch (instr->deref_type) {
+ case nir_deref_type_var: {
+ struct hash_entry *entry = _mesa_hash_table_search(ctx->vars, instr->var);
+ result = entry->data;
+ break;
+ }
+ case nir_deref_type_struct:
+ if (instr->mode == nir_var_mem_global) {
+ nir_deref_instr *parent = nir_deref_instr_parent(instr);
+ uint64_t offset = glsl_get_struct_field_offset(parent->type, instr->strct.index);
+ result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent),
+ LLVMConstInt(ctx->ac.i32, offset, 0));
+ } else {
+ result = ac_build_gep0(&ctx->ac, get_src(ctx, instr->parent),
+ LLVMConstInt(ctx->ac.i32, instr->strct.index, 0));
+ }
+ break;
+ case nir_deref_type_array:
+ if (instr->mode == nir_var_mem_global) {
+ nir_deref_instr *parent = nir_deref_instr_parent(instr);
+ unsigned stride = glsl_get_explicit_stride(parent->type);
+
+ if ((glsl_type_is_matrix(parent->type) && glsl_matrix_type_is_row_major(parent->type)) ||
+ (glsl_type_is_vector(parent->type) && stride == 0))
+ stride = type_scalar_size_bytes(parent->type);
+
+ assert(stride > 0);
+ LLVMValueRef index = get_src(ctx, instr->arr.index);
+ if (LLVMTypeOf(index) != ctx->ac.i64)
+ index = LLVMBuildZExt(ctx->ac.builder, index, ctx->ac.i64, "");
+
+ LLVMValueRef offset =
+ LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i64, stride, 0), "");
+
+ result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent), offset);
+ } else {
+ result =
+ ac_build_gep0(&ctx->ac, get_src(ctx, instr->parent), get_src(ctx, instr->arr.index));
+ }
+ break;
+ case nir_deref_type_ptr_as_array:
+ if (instr->mode == nir_var_mem_global) {
+ unsigned stride = nir_deref_instr_array_stride(instr);
+
+ LLVMValueRef index = get_src(ctx, instr->arr.index);
+ if (LLVMTypeOf(index) != ctx->ac.i64)
+ index = LLVMBuildZExt(ctx->ac.builder, index, ctx->ac.i64, "");
+
+ LLVMValueRef offset =
+ LLVMBuildMul(ctx->ac.builder, index, LLVMConstInt(ctx->ac.i64, stride, 0), "");
+
+ result = ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent), offset);
+ } else {
+ result =
+ ac_build_gep_ptr(&ctx->ac, get_src(ctx, instr->parent), get_src(ctx, instr->arr.index));
+ }
+ break;
+ case nir_deref_type_cast: {
+ result = get_src(ctx, instr->parent);
+
+ /* We can't use the structs from LLVM because the shader
+ * specifies its own offsets. */
+ LLVMTypeRef pointee_type = ctx->ac.i8;
+ if (instr->mode == nir_var_mem_shared)
+ pointee_type = glsl_to_llvm_type(&ctx->ac, instr->type);
+
+ unsigned address_space;
+
+ switch (instr->mode) {
+ case nir_var_mem_shared:
+ address_space = AC_ADDR_SPACE_LDS;
+ break;
+ case nir_var_mem_global:
+ address_space = AC_ADDR_SPACE_GLOBAL;
+ break;
+ default:
+ unreachable("Unhandled address space");
+ }
+
+ LLVMTypeRef type = LLVMPointerType(pointee_type, address_space);
+
+ if (LLVMTypeOf(result) != type) {
+ if (LLVMGetTypeKind(LLVMTypeOf(result)) == LLVMVectorTypeKind) {
+ result = LLVMBuildBitCast(ctx->ac.builder, result, type, "");
+ } else {
+ result = LLVMBuildIntToPtr(ctx->ac.builder, result, type, "");
+ }
+ }
+ break;
+ }
+ default:
+ unreachable("Unhandled deref_instr deref type");
+ }
+
+ ctx->ssa_defs[instr->dest.ssa.index] = result;
}
-static void visit_cf_list(struct ac_nir_context *ctx,
- struct exec_list *list);
+static void visit_cf_list(struct ac_nir_context *ctx, struct exec_list *list);
static void visit_block(struct ac_nir_context *ctx, nir_block *block)
{
- nir_foreach_instr(instr, block)
- {
- switch (instr->type) {
- case nir_instr_type_alu:
- visit_alu(ctx, nir_instr_as_alu(instr));
- break;
- case nir_instr_type_load_const:
- visit_load_const(ctx, nir_instr_as_load_const(instr));
- break;
- case nir_instr_type_intrinsic:
- visit_intrinsic(ctx, nir_instr_as_intrinsic(instr));
- break;
- case nir_instr_type_tex:
- visit_tex(ctx, nir_instr_as_tex(instr));
- break;
- case nir_instr_type_phi:
- visit_phi(ctx, nir_instr_as_phi(instr));
- break;
- case nir_instr_type_ssa_undef:
- visit_ssa_undef(ctx, nir_instr_as_ssa_undef(instr));
- break;
- case nir_instr_type_jump:
- visit_jump(&ctx->ac, nir_instr_as_jump(instr));
- break;
- case nir_instr_type_deref:
- visit_deref(ctx, nir_instr_as_deref(instr));
- break;
- default:
- fprintf(stderr, "Unknown NIR instr type: ");
- nir_print_instr(instr, stderr);
- fprintf(stderr, "\n");
- abort();
- }
- }
-
- _mesa_hash_table_insert(ctx->defs, block,
- LLVMGetInsertBlock(ctx->ac.builder));
+ nir_foreach_instr (instr, block) {
+ switch (instr->type) {
+ case nir_instr_type_alu:
+ visit_alu(ctx, nir_instr_as_alu(instr));
+ break;
+ case nir_instr_type_load_const:
+ visit_load_const(ctx, nir_instr_as_load_const(instr));
+ break;
+ case nir_instr_type_intrinsic:
+ visit_intrinsic(ctx, nir_instr_as_intrinsic(instr));
+ break;
+ case nir_instr_type_tex:
+ visit_tex(ctx, nir_instr_as_tex(instr));
+ break;
+ case nir_instr_type_phi:
+ visit_phi(ctx, nir_instr_as_phi(instr));
+ break;
+ case nir_instr_type_ssa_undef:
+ visit_ssa_undef(ctx, nir_instr_as_ssa_undef(instr));
+ break;
+ case nir_instr_type_jump:
+ visit_jump(&ctx->ac, nir_instr_as_jump(instr));
+ break;
+ case nir_instr_type_deref:
+ visit_deref(ctx, nir_instr_as_deref(instr));
+ break;
+ default:
+ fprintf(stderr, "Unknown NIR instr type: ");
+ nir_print_instr(instr, stderr);
+ fprintf(stderr, "\n");
+ abort();
+ }
+ }
+
+ _mesa_hash_table_insert(ctx->defs, block, LLVMGetInsertBlock(ctx->ac.builder));
}
static void visit_if(struct ac_nir_context *ctx, nir_if *if_stmt)
{
- LLVMValueRef value = get_src(ctx, if_stmt->condition);
+ LLVMValueRef value = get_src(ctx, if_stmt->condition);
- nir_block *then_block =
- (nir_block *) exec_list_get_head(&if_stmt->then_list);
+ nir_block *then_block = (nir_block *)exec_list_get_head(&if_stmt->then_list);
- ac_build_uif(&ctx->ac, value, then_block->index);
+ ac_build_uif(&ctx->ac, value, then_block->index);
- visit_cf_list(ctx, &if_stmt->then_list);
+ visit_cf_list(ctx, &if_stmt->then_list);
- if (!exec_list_is_empty(&if_stmt->else_list)) {
- nir_block *else_block =
- (nir_block *) exec_list_get_head(&if_stmt->else_list);
+ if (!exec_list_is_empty(&if_stmt->else_list)) {
+ nir_block *else_block = (nir_block *)exec_list_get_head(&if_stmt->else_list);
- ac_build_else(&ctx->ac, else_block->index);
- visit_cf_list(ctx, &if_stmt->else_list);
- }
+ ac_build_else(&ctx->ac, else_block->index);
+ visit_cf_list(ctx, &if_stmt->else_list);
+ }
- ac_build_endif(&ctx->ac, then_block->index);
+ ac_build_endif(&ctx->ac, then_block->index);
}
static void visit_loop(struct ac_nir_context *ctx, nir_loop *loop)
{
- nir_block *first_loop_block =
- (nir_block *) exec_list_get_head(&loop->body);
+ nir_block *first_loop_block = (nir_block *)exec_list_get_head(&loop->body);
- ac_build_bgnloop(&ctx->ac, first_loop_block->index);
+ ac_build_bgnloop(&ctx->ac, first_loop_block->index);
- visit_cf_list(ctx, &loop->body);
+ visit_cf_list(ctx, &loop->body);
- ac_build_endloop(&ctx->ac, first_loop_block->index);
+ ac_build_endloop(&ctx->ac, first_loop_block->index);
}
-static void visit_cf_list(struct ac_nir_context *ctx,
- struct exec_list *list)
+static void visit_cf_list(struct ac_nir_context *ctx, struct exec_list *list)
{
- foreach_list_typed(nir_cf_node, node, node, list)
- {
- switch (node->type) {
- case nir_cf_node_block:
- visit_block(ctx, nir_cf_node_as_block(node));
- break;
-
- case nir_cf_node_if:
- visit_if(ctx, nir_cf_node_as_if(node));
- break;
-
- case nir_cf_node_loop:
- visit_loop(ctx, nir_cf_node_as_loop(node));
- break;
-
- default:
- assert(0);
- }
- }
+ foreach_list_typed(nir_cf_node, node, node, list)
+ {
+ switch (node->type) {
+ case nir_cf_node_block:
+ visit_block(ctx, nir_cf_node_as_block(node));
+ break;
+
+ case nir_cf_node_if:
+ visit_if(ctx, nir_cf_node_as_if(node));
+ break;
+
+ case nir_cf_node_loop:
+ visit_loop(ctx, nir_cf_node_as_loop(node));
+ break;
+
+ default:
+ assert(0);
+ }
+ }
}
-void
-ac_handle_shader_output_decl(struct ac_llvm_context *ctx,
- struct ac_shader_abi *abi,
- struct nir_shader *nir,
- struct nir_variable *variable,
- gl_shader_stage stage)
+void ac_handle_shader_output_decl(struct ac_llvm_context *ctx, struct ac_shader_abi *abi,
+ struct nir_shader *nir, struct nir_variable *variable,
+ gl_shader_stage stage)
{
- unsigned output_loc = variable->data.driver_location / 4;
- unsigned attrib_count = glsl_count_attribute_slots(variable->type, false);
-
- /* tess ctrl has it's own load/store paths for outputs */
- if (stage == MESA_SHADER_TESS_CTRL)
- return;
-
- if (stage == MESA_SHADER_VERTEX ||
- stage == MESA_SHADER_TESS_EVAL ||
- stage == MESA_SHADER_GEOMETRY) {
- int idx = variable->data.location + variable->data.index;
- if (idx == VARYING_SLOT_CLIP_DIST0) {
- int length = nir->info.clip_distance_array_size +
- nir->info.cull_distance_array_size;
-
- if (length > 4)
- attrib_count = 2;
- else
- attrib_count = 1;
- }
- }
-
- bool is_16bit = glsl_type_is_16bit(glsl_without_array(variable->type));
- LLVMTypeRef type = is_16bit ? ctx->f16 : ctx->f32;
- for (unsigned i = 0; i < attrib_count; ++i) {
- for (unsigned chan = 0; chan < 4; chan++) {
- abi->outputs[ac_llvm_reg_index_soa(output_loc + i, chan)] =
- ac_build_alloca_undef(ctx, type, "");
- }
- }
+ unsigned output_loc = variable->data.driver_location / 4;
+ unsigned attrib_count = glsl_count_attribute_slots(variable->type, false);
+
+ /* tess ctrl has it's own load/store paths for outputs */
+ if (stage == MESA_SHADER_TESS_CTRL)
+ return;
+
+ if (stage == MESA_SHADER_VERTEX || stage == MESA_SHADER_TESS_EVAL ||
+ stage == MESA_SHADER_GEOMETRY) {
+ int idx = variable->data.location + variable->data.index;
+ if (idx == VARYING_SLOT_CLIP_DIST0) {
+ int length = nir->info.clip_distance_array_size + nir->info.cull_distance_array_size;
+
+ if (length > 4)
+ attrib_count = 2;
+ else
+ attrib_count = 1;
+ }
+ }
+
+ bool is_16bit = glsl_type_is_16bit(glsl_without_array(variable->type));
+ LLVMTypeRef type = is_16bit ? ctx->f16 : ctx->f32;
+ for (unsigned i = 0; i < attrib_count; ++i) {
+ for (unsigned chan = 0; chan < 4; chan++) {
+ abi->outputs[ac_llvm_reg_index_soa(output_loc + i, chan)] =
+ ac_build_alloca_undef(ctx, type, "");
+ }
+ }
}
-static void
-setup_locals(struct ac_nir_context *ctx,
- struct nir_function *func)
+static void setup_locals(struct ac_nir_context *ctx, struct nir_function *func)
{
- int i, j;
- ctx->num_locals = 0;
- nir_foreach_function_temp_variable(variable, func->impl) {
- unsigned attrib_count = glsl_count_attribute_slots(variable->type, false);
- variable->data.driver_location = ctx->num_locals * 4;
- variable->data.location_frac = 0;
- ctx->num_locals += attrib_count;
- }
- ctx->locals = malloc(4 * ctx->num_locals * sizeof(LLVMValueRef));
- if (!ctx->locals)
- return;
-
- for (i = 0; i < ctx->num_locals; i++) {
- for (j = 0; j < 4; j++) {
- ctx->locals[i * 4 + j] =
- ac_build_alloca_undef(&ctx->ac, ctx->ac.f32, "temp");
- }
- }
+ int i, j;
+ ctx->num_locals = 0;
+ nir_foreach_function_temp_variable(variable, func->impl)
+ {
+ unsigned attrib_count = glsl_count_attribute_slots(variable->type, false);
+ variable->data.driver_location = ctx->num_locals * 4;
+ variable->data.location_frac = 0;
+ ctx->num_locals += attrib_count;
+ }
+ ctx->locals = malloc(4 * ctx->num_locals * sizeof(LLVMValueRef));
+ if (!ctx->locals)
+ return;
+
+ for (i = 0; i < ctx->num_locals; i++) {
+ for (j = 0; j < 4; j++) {
+ ctx->locals[i * 4 + j] = ac_build_alloca_undef(&ctx->ac, ctx->ac.f32, "temp");
+ }
+ }
}
-static void
-setup_scratch(struct ac_nir_context *ctx,
- struct nir_shader *shader)
+static void setup_scratch(struct ac_nir_context *ctx, struct nir_shader *shader)
{
- if (shader->scratch_size == 0)
- return;
+ if (shader->scratch_size == 0)
+ return;
- ctx->scratch = ac_build_alloca_undef(&ctx->ac,
- LLVMArrayType(ctx->ac.i8, shader->scratch_size),
- "scratch");
+ ctx->scratch =
+ ac_build_alloca_undef(&ctx->ac, LLVMArrayType(ctx->ac.i8, shader->scratch_size), "scratch");
}
-static void
-setup_constant_data(struct ac_nir_context *ctx,
- struct nir_shader *shader)
+static void setup_constant_data(struct ac_nir_context *ctx, struct nir_shader *shader)
{
- if (!shader->constant_data)
- return;
-
- LLVMValueRef data =
- LLVMConstStringInContext(ctx->ac.context,
- shader->constant_data,
- shader->constant_data_size,
- true);
- LLVMTypeRef type = LLVMArrayType(ctx->ac.i8, shader->constant_data_size);
-
- /* We want to put the constant data in the CONST address space so that
- * we can use scalar loads. However, LLVM versions before 10 put these
- * variables in the same section as the code, which is unacceptable
- * for RadeonSI as it needs to relocate all the data sections after
- * the code sections. See https://reviews.llvm.org/D65813.
- */
- unsigned address_space =
- LLVM_VERSION_MAJOR < 10 ? AC_ADDR_SPACE_GLOBAL : AC_ADDR_SPACE_CONST;
-
- LLVMValueRef global =
- LLVMAddGlobalInAddressSpace(ctx->ac.module, type,
- "const_data",
- address_space);
-
- LLVMSetInitializer(global, data);
- LLVMSetGlobalConstant(global, true);
- LLVMSetVisibility(global, LLVMHiddenVisibility);
- ctx->constant_data = global;
+ if (!shader->constant_data)
+ return;
+
+ LLVMValueRef data = LLVMConstStringInContext(ctx->ac.context, shader->constant_data,
+ shader->constant_data_size, true);
+ LLVMTypeRef type = LLVMArrayType(ctx->ac.i8, shader->constant_data_size);
+
+ /* We want to put the constant data in the CONST address space so that
+ * we can use scalar loads. However, LLVM versions before 10 put these
+ * variables in the same section as the code, which is unacceptable
+ * for RadeonSI as it needs to relocate all the data sections after
+ * the code sections. See https://reviews.llvm.org/D65813.
+ */
+ unsigned address_space = LLVM_VERSION_MAJOR < 10 ? AC_ADDR_SPACE_GLOBAL : AC_ADDR_SPACE_CONST;
+
+ LLVMValueRef global =
+ LLVMAddGlobalInAddressSpace(ctx->ac.module, type, "const_data", address_space);
+
+ LLVMSetInitializer(global, data);
+ LLVMSetGlobalConstant(global, true);
+ LLVMSetVisibility(global, LLVMHiddenVisibility);
+ ctx->constant_data = global;
}
-static void
-setup_shared(struct ac_nir_context *ctx,
- struct nir_shader *nir)
+static void setup_shared(struct ac_nir_context *ctx, struct nir_shader *nir)
{
- if (ctx->ac.lds)
- return;
+ if (ctx->ac.lds)
+ return;
- LLVMTypeRef type = LLVMArrayType(ctx->ac.i8,
- nir->info.cs.shared_size);
+ LLVMTypeRef type = LLVMArrayType(ctx->ac.i8, nir->info.cs.shared_size);
- LLVMValueRef lds =
- LLVMAddGlobalInAddressSpace(ctx->ac.module, type,
- "compute_lds",
- AC_ADDR_SPACE_LDS);
- LLVMSetAlignment(lds, 64 * 1024);
+ LLVMValueRef lds =
+ LLVMAddGlobalInAddressSpace(ctx->ac.module, type, "compute_lds", AC_ADDR_SPACE_LDS);
+ LLVMSetAlignment(lds, 64 * 1024);
- ctx->ac.lds = LLVMBuildBitCast(ctx->ac.builder, lds,
- LLVMPointerType(ctx->ac.i8,
- AC_ADDR_SPACE_LDS), "");
+ ctx->ac.lds =
+ LLVMBuildBitCast(ctx->ac.builder, lds, LLVMPointerType(ctx->ac.i8, AC_ADDR_SPACE_LDS), "");
}
void ac_nir_translate(struct ac_llvm_context *ac, struct ac_shader_abi *abi,
- const struct ac_shader_args *args, struct nir_shader *nir)
+ const struct ac_shader_args *args, struct nir_shader *nir)
{
- struct ac_nir_context ctx = {};
- struct nir_function *func;
-
- ctx.ac = *ac;
- ctx.abi = abi;
- ctx.args = args;
-
- ctx.stage = nir->info.stage;
- ctx.info = &nir->info;
-
- ctx.main_function = LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx.ac.builder));
-
- /* TODO: remove this after RADV switches to lowered IO */
- if (!nir->info.io_lowered) {
- nir_foreach_shader_out_variable(variable, nir) {
- ac_handle_shader_output_decl(&ctx.ac, ctx.abi, nir, variable,
- ctx.stage);
- }
- }
-
- ctx.defs = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- ctx.phis = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- ctx.vars = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
-
- if (ctx.abi->kill_ps_if_inf_interp)
- ctx.verified_interp = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
-
- func = (struct nir_function *)exec_list_get_head(&nir->functions);
-
- nir_index_ssa_defs(func->impl);
- ctx.ssa_defs = calloc(func->impl->ssa_alloc, sizeof(LLVMValueRef));
-
- setup_locals(&ctx, func);
- setup_scratch(&ctx, nir);
- setup_constant_data(&ctx, nir);
-
- if (gl_shader_stage_is_compute(nir->info.stage))
- setup_shared(&ctx, nir);
-
- if (nir->info.stage == MESA_SHADER_FRAGMENT && nir->info.fs.uses_demote) {
- ctx.ac.postponed_kill = ac_build_alloca_undef(&ctx.ac, ac->i1, "");
- /* true = don't kill. */
- LLVMBuildStore(ctx.ac.builder, ctx.ac.i1true, ctx.ac.postponed_kill);
- }
-
- visit_cf_list(&ctx, &func->impl->body);
- phi_post_pass(&ctx);
-
- if (ctx.ac.postponed_kill)
- ac_build_kill_if_false(&ctx.ac, LLVMBuildLoad(ctx.ac.builder,
- ctx.ac.postponed_kill, ""));
-
- if (!gl_shader_stage_is_compute(nir->info.stage))
- ctx.abi->emit_outputs(ctx.abi, AC_LLVM_MAX_OUTPUTS,
- ctx.abi->outputs);
-
- free(ctx.locals);
- free(ctx.ssa_defs);
- ralloc_free(ctx.defs);
- ralloc_free(ctx.phis);
- ralloc_free(ctx.vars);
- if (ctx.abi->kill_ps_if_inf_interp)
- ralloc_free(ctx.verified_interp);
+ struct ac_nir_context ctx = {};
+ struct nir_function *func;
+
+ ctx.ac = *ac;
+ ctx.abi = abi;
+ ctx.args = args;
+
+ ctx.stage = nir->info.stage;
+ ctx.info = &nir->info;
+
+ ctx.main_function = LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx.ac.builder));
+
+ /* TODO: remove this after RADV switches to lowered IO */
+ if (!nir->info.io_lowered) {
+ nir_foreach_shader_out_variable(variable, nir)
+ {
+ ac_handle_shader_output_decl(&ctx.ac, ctx.abi, nir, variable, ctx.stage);
+ }
+ }
+
+ ctx.defs = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+ ctx.phis = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+ ctx.vars = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+
+ if (ctx.abi->kill_ps_if_inf_interp)
+ ctx.verified_interp =
+ _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+
+ func = (struct nir_function *)exec_list_get_head(&nir->functions);
+
+ nir_index_ssa_defs(func->impl);
+ ctx.ssa_defs = calloc(func->impl->ssa_alloc, sizeof(LLVMValueRef));
+
+ setup_locals(&ctx, func);
+ setup_scratch(&ctx, nir);
+ setup_constant_data(&ctx, nir);
+
+ if (gl_shader_stage_is_compute(nir->info.stage))
+ setup_shared(&ctx, nir);
+
+ if (nir->info.stage == MESA_SHADER_FRAGMENT && nir->info.fs.uses_demote) {
+ ctx.ac.postponed_kill = ac_build_alloca_undef(&ctx.ac, ac->i1, "");
+ /* true = don't kill. */
+ LLVMBuildStore(ctx.ac.builder, ctx.ac.i1true, ctx.ac.postponed_kill);
+ }
+
+ visit_cf_list(&ctx, &func->impl->body);
+ phi_post_pass(&ctx);
+
+ if (ctx.ac.postponed_kill)
+ ac_build_kill_if_false(&ctx.ac, LLVMBuildLoad(ctx.ac.builder, ctx.ac.postponed_kill, ""));
+
+ if (!gl_shader_stage_is_compute(nir->info.stage))
+ ctx.abi->emit_outputs(ctx.abi, AC_LLVM_MAX_OUTPUTS, ctx.abi->outputs);
+
+ free(ctx.locals);
+ free(ctx.ssa_defs);
+ ralloc_free(ctx.defs);
+ ralloc_free(ctx.phis);
+ ralloc_free(ctx.vars);
+ if (ctx.abi->kill_ps_if_inf_interp)
+ ralloc_free(ctx.verified_interp);
}
-bool
-ac_lower_indirect_derefs(struct nir_shader *nir, enum chip_class chip_class)
+bool ac_lower_indirect_derefs(struct nir_shader *nir, enum chip_class chip_class)
{
- bool progress = false;
-
- /* Lower large variables to scratch first so that we won't bloat the
- * shader by generating large if ladders for them. We later lower
- * scratch to alloca's, assuming LLVM won't generate VGPR indexing.
- */
- NIR_PASS(progress, nir, nir_lower_vars_to_scratch,
- nir_var_function_temp,
- 256,
- glsl_get_natural_size_align_bytes);
-
- /* While it would be nice not to have this flag, we are constrained
- * by the reality that LLVM 9.0 has buggy VGPR indexing on GFX9.
- */
- bool llvm_has_working_vgpr_indexing = chip_class != GFX9;
-
- /* TODO: Indirect indexing of GS inputs is unimplemented.
- *
- * TCS and TES load inputs directly from LDS or offchip memory, so
- * indirect indexing is trivial.
- */
- nir_variable_mode indirect_mask = 0;
- if (nir->info.stage == MESA_SHADER_GEOMETRY ||
- (nir->info.stage != MESA_SHADER_TESS_CTRL &&
- nir->info.stage != MESA_SHADER_TESS_EVAL &&
- !llvm_has_working_vgpr_indexing)) {
- indirect_mask |= nir_var_shader_in;
- }
- if (!llvm_has_working_vgpr_indexing &&
- nir->info.stage != MESA_SHADER_TESS_CTRL)
- indirect_mask |= nir_var_shader_out;
-
- /* TODO: We shouldn't need to do this, however LLVM isn't currently
- * smart enough to handle indirects without causing excess spilling
- * causing the gpu to hang.
- *
- * See the following thread for more details of the problem:
- * https://lists.freedesktop.org/archives/mesa-dev/2017-July/162106.html
- */
- indirect_mask |= nir_var_function_temp;
-
- progress |= nir_lower_indirect_derefs(nir, indirect_mask, UINT32_MAX);
- return progress;
+ bool progress = false;
+
+ /* Lower large variables to scratch first so that we won't bloat the
+ * shader by generating large if ladders for them. We later lower
+ * scratch to alloca's, assuming LLVM won't generate VGPR indexing.
+ */
+ NIR_PASS(progress, nir, nir_lower_vars_to_scratch, nir_var_function_temp, 256,
+ glsl_get_natural_size_align_bytes);
+
+ /* While it would be nice not to have this flag, we are constrained
+ * by the reality that LLVM 9.0 has buggy VGPR indexing on GFX9.
+ */
+ bool llvm_has_working_vgpr_indexing = chip_class != GFX9;
+
+ /* TODO: Indirect indexing of GS inputs is unimplemented.
+ *
+ * TCS and TES load inputs directly from LDS or offchip memory, so
+ * indirect indexing is trivial.
+ */
+ nir_variable_mode indirect_mask = 0;
+ if (nir->info.stage == MESA_SHADER_GEOMETRY ||
+ (nir->info.stage != MESA_SHADER_TESS_CTRL && nir->info.stage != MESA_SHADER_TESS_EVAL &&
+ !llvm_has_working_vgpr_indexing)) {
+ indirect_mask |= nir_var_shader_in;
+ }
+ if (!llvm_has_working_vgpr_indexing && nir->info.stage != MESA_SHADER_TESS_CTRL)
+ indirect_mask |= nir_var_shader_out;
+
+ /* TODO: We shouldn't need to do this, however LLVM isn't currently
+ * smart enough to handle indirects without causing excess spilling
+ * causing the gpu to hang.
+ *
+ * See the following thread for more details of the problem:
+ * https://lists.freedesktop.org/archives/mesa-dev/2017-July/162106.html
+ */
+ indirect_mask |= nir_var_function_temp;
+
+ progress |= nir_lower_indirect_derefs(nir, indirect_mask, UINT32_MAX);
+ return progress;
}
-static unsigned
-get_inst_tessfactor_writemask(nir_intrinsic_instr *intrin)
+static unsigned get_inst_tessfactor_writemask(nir_intrinsic_instr *intrin)
{
- if (intrin->intrinsic != nir_intrinsic_store_output)
- return 0;
+ if (intrin->intrinsic != nir_intrinsic_store_output)
+ return 0;
- unsigned writemask = nir_intrinsic_write_mask(intrin) <<
- nir_intrinsic_component(intrin);
- unsigned location = nir_intrinsic_io_semantics(intrin).location;
+ unsigned writemask = nir_intrinsic_write_mask(intrin) << nir_intrinsic_component(intrin);
+ unsigned location = nir_intrinsic_io_semantics(intrin).location;
- if (location == VARYING_SLOT_TESS_LEVEL_OUTER)
- return writemask << 4;
- else if (location == VARYING_SLOT_TESS_LEVEL_INNER)
- return writemask;
+ if (location == VARYING_SLOT_TESS_LEVEL_OUTER)
+ return writemask << 4;
+ else if (location == VARYING_SLOT_TESS_LEVEL_INNER)
+ return writemask;
- return 0;
+ return 0;
}
-static void
-scan_tess_ctrl(nir_cf_node *cf_node, unsigned *upper_block_tf_writemask,
- unsigned *cond_block_tf_writemask,
- bool *tessfactors_are_def_in_all_invocs, bool is_nested_cf)
+static void scan_tess_ctrl(nir_cf_node *cf_node, unsigned *upper_block_tf_writemask,
+ unsigned *cond_block_tf_writemask,
+ bool *tessfactors_are_def_in_all_invocs, bool is_nested_cf)
{
- switch (cf_node->type) {
- case nir_cf_node_block: {
- nir_block *block = nir_cf_node_as_block(cf_node);
- nir_foreach_instr(instr, block) {
- if (instr->type != nir_instr_type_intrinsic)
- continue;
-
- nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
- if (intrin->intrinsic == nir_intrinsic_control_barrier) {
-
- /* If we find a barrier in nested control flow put this in the
- * too hard basket. In GLSL this is not possible but it is in
- * SPIR-V.
- */
- if (is_nested_cf) {
- *tessfactors_are_def_in_all_invocs = false;
- return;
- }
-
- /* The following case must be prevented:
- * gl_TessLevelInner = ...;
- * barrier();
- * if (gl_InvocationID == 1)
- * gl_TessLevelInner = ...;
- *
- * If you consider disjoint code segments separated by barriers, each
- * such segment that writes tess factor channels should write the same
- * channels in all codepaths within that segment.
- */
- if (upper_block_tf_writemask || cond_block_tf_writemask) {
- /* Accumulate the result: */
- *tessfactors_are_def_in_all_invocs &=
- !(*cond_block_tf_writemask & ~(*upper_block_tf_writemask));
-
- /* Analyze the next code segment from scratch. */
- *upper_block_tf_writemask = 0;
- *cond_block_tf_writemask = 0;
- }
- } else
- *upper_block_tf_writemask |= get_inst_tessfactor_writemask(intrin);
- }
-
- break;
- }
- case nir_cf_node_if: {
- unsigned then_tessfactor_writemask = 0;
- unsigned else_tessfactor_writemask = 0;
-
- nir_if *if_stmt = nir_cf_node_as_if(cf_node);
- foreach_list_typed(nir_cf_node, nested_node, node, &if_stmt->then_list) {
- scan_tess_ctrl(nested_node, &then_tessfactor_writemask,
- cond_block_tf_writemask,
- tessfactors_are_def_in_all_invocs, true);
- }
-
- foreach_list_typed(nir_cf_node, nested_node, node, &if_stmt->else_list) {
- scan_tess_ctrl(nested_node, &else_tessfactor_writemask,
- cond_block_tf_writemask,
- tessfactors_are_def_in_all_invocs, true);
- }
-
- if (then_tessfactor_writemask || else_tessfactor_writemask) {
- /* If both statements write the same tess factor channels,
- * we can say that the upper block writes them too.
- */
- *upper_block_tf_writemask |= then_tessfactor_writemask &
- else_tessfactor_writemask;
- *cond_block_tf_writemask |= then_tessfactor_writemask |
- else_tessfactor_writemask;
- }
-
- break;
- }
- case nir_cf_node_loop: {
- nir_loop *loop = nir_cf_node_as_loop(cf_node);
- foreach_list_typed(nir_cf_node, nested_node, node, &loop->body) {
- scan_tess_ctrl(nested_node, cond_block_tf_writemask,
- cond_block_tf_writemask,
- tessfactors_are_def_in_all_invocs, true);
- }
-
- break;
- }
- default:
- unreachable("unknown cf node type");
- }
+ switch (cf_node->type) {
+ case nir_cf_node_block: {
+ nir_block *block = nir_cf_node_as_block(cf_node);
+ nir_foreach_instr (instr, block) {
+ if (instr->type != nir_instr_type_intrinsic)
+ continue;
+
+ nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
+ if (intrin->intrinsic == nir_intrinsic_control_barrier) {
+
+ /* If we find a barrier in nested control flow put this in the
+ * too hard basket. In GLSL this is not possible but it is in
+ * SPIR-V.
+ */
+ if (is_nested_cf) {
+ *tessfactors_are_def_in_all_invocs = false;
+ return;
+ }
+
+ /* The following case must be prevented:
+ * gl_TessLevelInner = ...;
+ * barrier();
+ * if (gl_InvocationID == 1)
+ * gl_TessLevelInner = ...;
+ *
+ * If you consider disjoint code segments separated by barriers, each
+ * such segment that writes tess factor channels should write the same
+ * channels in all codepaths within that segment.
+ */
+ if (upper_block_tf_writemask || cond_block_tf_writemask) {
+ /* Accumulate the result: */
+ *tessfactors_are_def_in_all_invocs &=
+ !(*cond_block_tf_writemask & ~(*upper_block_tf_writemask));
+
+ /* Analyze the next code segment from scratch. */
+ *upper_block_tf_writemask = 0;
+ *cond_block_tf_writemask = 0;
+ }
+ } else
+ *upper_block_tf_writemask |= get_inst_tessfactor_writemask(intrin);
+ }
+
+ break;
+ }
+ case nir_cf_node_if: {
+ unsigned then_tessfactor_writemask = 0;
+ unsigned else_tessfactor_writemask = 0;
+
+ nir_if *if_stmt = nir_cf_node_as_if(cf_node);
+ foreach_list_typed(nir_cf_node, nested_node, node, &if_stmt->then_list)
+ {
+ scan_tess_ctrl(nested_node, &then_tessfactor_writemask, cond_block_tf_writemask,
+ tessfactors_are_def_in_all_invocs, true);
+ }
+
+ foreach_list_typed(nir_cf_node, nested_node, node, &if_stmt->else_list)
+ {
+ scan_tess_ctrl(nested_node, &else_tessfactor_writemask, cond_block_tf_writemask,
+ tessfactors_are_def_in_all_invocs, true);
+ }
+
+ if (then_tessfactor_writemask || else_tessfactor_writemask) {
+ /* If both statements write the same tess factor channels,
+ * we can say that the upper block writes them too.
+ */
+ *upper_block_tf_writemask |= then_tessfactor_writemask & else_tessfactor_writemask;
+ *cond_block_tf_writemask |= then_tessfactor_writemask | else_tessfactor_writemask;
+ }
+
+ break;
+ }
+ case nir_cf_node_loop: {
+ nir_loop *loop = nir_cf_node_as_loop(cf_node);
+ foreach_list_typed(nir_cf_node, nested_node, node, &loop->body)
+ {
+ scan_tess_ctrl(nested_node, cond_block_tf_writemask, cond_block_tf_writemask,
+ tessfactors_are_def_in_all_invocs, true);
+ }
+
+ break;
+ }
+ default:
+ unreachable("unknown cf node type");
+ }
}
-bool
-ac_are_tessfactors_def_in_all_invocs(const struct nir_shader *nir)
+bool ac_are_tessfactors_def_in_all_invocs(const struct nir_shader *nir)
{
- assert(nir->info.stage == MESA_SHADER_TESS_CTRL);
-
- /* The pass works as follows:
- * If all codepaths write tess factors, we can say that all
- * invocations define tess factors.
- *
- * Each tess factor channel is tracked separately.
- */
- unsigned main_block_tf_writemask = 0; /* if main block writes tess factors */
- unsigned cond_block_tf_writemask = 0; /* if cond block writes tess factors */
-
- /* Initial value = true. Here the pass will accumulate results from
- * multiple segments surrounded by barriers. If tess factors aren't
- * written at all, it's a shader bug and we don't care if this will be
- * true.
- */
- bool tessfactors_are_def_in_all_invocs = true;
-
- nir_foreach_function(function, nir) {
- if (function->impl) {
- foreach_list_typed(nir_cf_node, node, node, &function->impl->body) {
- scan_tess_ctrl(node, &main_block_tf_writemask,
- &cond_block_tf_writemask,
- &tessfactors_are_def_in_all_invocs,
- false);
- }
- }
- }
-
- /* Accumulate the result for the last code segment separated by a
- * barrier.
- */
- if (main_block_tf_writemask || cond_block_tf_writemask) {
- tessfactors_are_def_in_all_invocs &=
- !(cond_block_tf_writemask & ~main_block_tf_writemask);
- }
-
- return tessfactors_are_def_in_all_invocs;
+ assert(nir->info.stage == MESA_SHADER_TESS_CTRL);
+
+ /* The pass works as follows:
+ * If all codepaths write tess factors, we can say that all
+ * invocations define tess factors.
+ *
+ * Each tess factor channel is tracked separately.
+ */
+ unsigned main_block_tf_writemask = 0; /* if main block writes tess factors */
+ unsigned cond_block_tf_writemask = 0; /* if cond block writes tess factors */
+
+ /* Initial value = true. Here the pass will accumulate results from
+ * multiple segments surrounded by barriers. If tess factors aren't
+ * written at all, it's a shader bug and we don't care if this will be
+ * true.
+ */
+ bool tessfactors_are_def_in_all_invocs = true;
+
+ nir_foreach_function (function, nir) {
+ if (function->impl) {
+ foreach_list_typed(nir_cf_node, node, node, &function->impl->body)
+ {
+ scan_tess_ctrl(node, &main_block_tf_writemask, &cond_block_tf_writemask,
+ &tessfactors_are_def_in_all_invocs, false);
+ }
+ }
+ }
+
+ /* Accumulate the result for the last code segment separated by a
+ * barrier.
+ */
+ if (main_block_tf_writemask || cond_block_tf_writemask) {
+ tessfactors_are_def_in_all_invocs &= !(cond_block_tf_writemask & ~main_block_tf_writemask);
+ }
+
+ return tessfactors_are_def_in_all_invocs;
}
projects / mesa.git / blobdiff