#include "gallivm/lp_bld_const.h"
#include "gallivm/lp_bld_gather.h"
#include "gallivm/lp_bld_intr.h"
+#include "gallivm/lp_bld_logic.h"
#include "gallivm/lp_bld_tgsi.h"
#include "radeon_llvm.h"
#include "radeon_llvm_emit.h"
#include <errno.h>
#include <stdio.h>
-/*
-static ps_remap_inputs(
- struct tgsi_llvm_context * tl_ctx,
- unsigned tgsi_index,
- unsigned tgsi_chan)
-{
- :
-}
-
-struct si_input
-{
- struct list_head head;
- unsigned tgsi_index;
- unsigned tgsi_chan;
- unsigned order;
-};
-*/
-
-
struct si_shader_context
{
struct radeon_llvm_context radeon_bld;
struct tgsi_parse_context parse;
struct tgsi_token * tokens;
struct si_pipe_shader *shader;
+ struct si_shader_key key;
unsigned type; /* TGSI_PROCESSOR_* specifies the type of shader. */
unsigned ninput_emitted;
/* struct list_head inputs; */
LLVMValueRef input;
struct lp_build_context * uint = &si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base;
- struct r600_context *rctx = si_shader_ctx->rctx;
//struct pipe_vertex_element *velem = &rctx->vertex_elements->elements[input_index];
unsigned chan;
/* Load the T list */
- /* XXX: Communicate with the rest of the driver about which SGPR the T#
- * list pointer is going to be stored in. Hard code to SGPR[6:7] for
- * now */
- t_list_ptr = use_sgpr(base->gallivm, SGPR_CONST_PTR_V4I32, 6);
+ t_list_ptr = use_sgpr(base->gallivm, SGPR_CONST_PTR_V4I32, SI_SGPR_VERTEX_BUFFER);
t_offset = lp_build_const_int32(base->gallivm, input_index);
{
const char * intr_name;
unsigned chan;
+ struct si_shader *shader = &si_shader_ctx->shader->shader;
struct lp_build_context * base =
&si_shader_ctx->radeon_bld.soa.bld_base.base;
struct gallivm_state * gallivm = base->gallivm;
+ LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
/* This value is:
* [15:0] NewPrimMask (Bit mask for each quad. It is set it the
* [32:16] ParamOffset
*
*/
- /* XXX: This register number must be identical to the S_00B02C_USER_SGPR
- * register field value
- */
- LLVMValueRef params = use_sgpr(base->gallivm, SGPR_I32, 6);
+ LLVMValueRef params = use_sgpr(base->gallivm, SGPR_I32, SI_PS_NUM_USER_SGPR);
+ LLVMValueRef attr_number;
+
+ if (decl->Semantic.Name == TGSI_SEMANTIC_POSITION) {
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ LLVMValueRef args[1];
+ unsigned soa_index =
+ radeon_llvm_reg_index_soa(input_index, chan);
+ args[0] = lp_build_const_int32(gallivm, chan);
+ si_shader_ctx->radeon_bld.inputs[soa_index] =
+ build_intrinsic(base->gallivm->builder,
+ "llvm.SI.fs.read.pos", input_type,
+ args, 1, LLVMReadNoneAttribute);
+ }
+ return;
+ }
+ if (decl->Semantic.Name == TGSI_SEMANTIC_FACE) {
+ LLVMValueRef face, is_face_positive;
+
+ face = build_intrinsic(gallivm->builder,
+ "llvm.SI.fs.read.face",
+ input_type,
+ NULL, 0, LLVMReadNoneAttribute);
+ is_face_positive = LLVMBuildFCmp(gallivm->builder,
+ LLVMRealUGT, face,
+ lp_build_const_float(gallivm, 0.0f),
+ "");
+
+ si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 0)] =
+ LLVMBuildSelect(gallivm->builder,
+ is_face_positive,
+ lp_build_const_float(gallivm, 1.0f),
+ lp_build_const_float(gallivm, 0.0f),
+ "");
+ si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 1)] =
+ si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 2)] =
+ lp_build_const_float(gallivm, 0.0f);
+ si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 3)] =
+ lp_build_const_float(gallivm, 1.0f);
+
+ return;
+ }
- /* XXX: Is this the input_index? */
- LLVMValueRef attr_number = lp_build_const_int32(gallivm, input_index);
+ shader->input[input_index].param_offset = shader->ninterp++;
+ attr_number = lp_build_const_int32(gallivm,
+ shader->input[input_index].param_offset);
/* XXX: Handle all possible interpolation modes */
switch (decl->Interp.Interpolate) {
}
/* XXX: Could there be more than TGSI_NUM_CHANNELS (4) ? */
- for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ if (decl->Semantic.Name == TGSI_SEMANTIC_COLOR &&
+ si_shader_ctx->key.color_two_side) {
LLVMValueRef args[3];
- LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan);
- unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan);
- LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
- args[0] = llvm_chan;
- args[1] = attr_number;
+ LLVMValueRef face, is_face_positive;
+ LLVMValueRef back_attr_number =
+ lp_build_const_int32(gallivm,
+ shader->input[input_index].param_offset + 1);
+
+ face = build_intrinsic(gallivm->builder,
+ "llvm.SI.fs.read.face",
+ input_type,
+ NULL, 0, LLVMReadNoneAttribute);
+ is_face_positive = LLVMBuildFCmp(gallivm->builder,
+ LLVMRealUGT, face,
+ lp_build_const_float(gallivm, 0.0f),
+ "");
+
args[2] = params;
- si_shader_ctx->radeon_bld.inputs[soa_index] =
- build_intrinsic(base->gallivm->builder, intr_name,
- input_type, args, 3, LLVMReadOnlyAttribute);
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan);
+ unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan);
+ LLVMValueRef front, back;
+
+ args[0] = llvm_chan;
+ args[1] = attr_number;
+ front = build_intrinsic(base->gallivm->builder, intr_name,
+ input_type, args, 3, LLVMReadOnlyAttribute);
+
+ args[1] = back_attr_number;
+ back = build_intrinsic(base->gallivm->builder, intr_name,
+ input_type, args, 3, LLVMReadOnlyAttribute);
+
+ si_shader_ctx->radeon_bld.inputs[soa_index] =
+ LLVMBuildSelect(gallivm->builder,
+ is_face_positive,
+ front,
+ back,
+ "");
+ }
+
+ shader->ninterp++;
+ } else {
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ LLVMValueRef args[3];
+ LLVMValueRef llvm_chan = lp_build_const_int32(gallivm, chan);
+ unsigned soa_index = radeon_llvm_reg_index_soa(input_index, chan);
+ args[0] = llvm_chan;
+ args[1] = attr_number;
+ args[2] = params;
+ si_shader_ctx->radeon_bld.inputs[soa_index] =
+ build_intrinsic(base->gallivm->builder, intr_name,
+ input_type, args, 3, LLVMReadOnlyAttribute);
+ }
}
}
return bitcast(bld_base, type, load);
}
- /* XXX: Assume the pointer to the constant buffer is being stored in
- * SGPR[0:1] */
- const_ptr = use_sgpr(base->gallivm, SGPR_CONST_PTR_F32, 0);
+ const_ptr = use_sgpr(base->gallivm, SGPR_CONST_PTR_F32, SI_SGPR_CONST);
/* XXX: This assumes that the constant buffer is not packed, so
* CONST[0].x will have an offset of 0 and CONST[1].x will have an
if (cbuf >= 0 && cbuf < 8) {
struct r600_context *rctx = si_shader_ctx->rctx;
- compressed = (rctx->export_16bpc >> cbuf) & 0x1;
+ compressed = (si_shader_ctx->key.export_16bpc >> cbuf) & 0x1;
+
+ if (compressed)
+ si_shader_ctx->shader->spi_shader_col_format |=
+ V_028714_SPI_SHADER_FP16_ABGR << (4 * cbuf);
+ else
+ si_shader_ctx->shader->spi_shader_col_format |=
+ V_028714_SPI_SHADER_32_ABGR << (4 * cbuf);
}
}
LLVMInt32TypeInContext(base->gallivm->context),
args, 2,
LLVMReadNoneAttribute);
- args[chan + 7] = args[chan + 5];
+ args[chan + 7] = args[chan + 5] =
+ LLVMBuildBitCast(base->gallivm->builder,
+ args[chan + 5],
+ LLVMFloatTypeInContext(base->gallivm->context),
+ "");
}
/* Set COMPR flag */
}
+static void si_alpha_test(struct lp_build_tgsi_context *bld_base,
+ unsigned index)
+{
+ struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+ struct gallivm_state *gallivm = bld_base->base.gallivm;
+
+ if (si_shader_ctx->key.alpha_func != PIPE_FUNC_NEVER) {
+ LLVMValueRef out_ptr = si_shader_ctx->radeon_bld.soa.outputs[index][3];
+ LLVMValueRef alpha_pass =
+ lp_build_cmp(&bld_base->base,
+ si_shader_ctx->key.alpha_func,
+ LLVMBuildLoad(gallivm->builder, out_ptr, ""),
+ lp_build_const_float(gallivm, si_shader_ctx->key.alpha_ref));
+ LLVMValueRef arg =
+ lp_build_select(&bld_base->base,
+ alpha_pass,
+ lp_build_const_float(gallivm, 1.0f),
+ lp_build_const_float(gallivm, -1.0f));
+
+ build_intrinsic(gallivm->builder,
+ "llvm.AMDGPU.kill",
+ LLVMVoidTypeInContext(gallivm->context),
+ &arg, 1, 0);
+ } else {
+ build_intrinsic(gallivm->builder,
+ "llvm.AMDGPU.kilp",
+ LLVMVoidTypeInContext(gallivm->context),
+ NULL, 0, 0);
+ }
+}
+
/* XXX: This is partially implemented for VS only at this point. It is not complete */
static void si_llvm_emit_epilogue(struct lp_build_tgsi_context * bld_base)
{
struct lp_build_context * uint =
&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
struct tgsi_parse_context *parse = &si_shader_ctx->parse;
+ LLVMValueRef args[9];
LLVMValueRef last_args[9] = { 0 };
unsigned color_count = 0;
unsigned param_count = 0;
+ int depth_index = -1, stencil_index = -1;
while (!tgsi_parse_end_of_tokens(parse)) {
struct tgsi_full_declaration *d =
&parse->FullToken.FullDeclaration;
- LLVMValueRef args[9];
unsigned target;
unsigned index;
int i;
/* Select the correct target */
switch(d->Semantic.Name) {
case TGSI_SEMANTIC_PSIZE:
- case TGSI_SEMANTIC_POSITION:
target = V_008DFC_SQ_EXP_POS;
break;
+ case TGSI_SEMANTIC_POSITION:
+ if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+ target = V_008DFC_SQ_EXP_POS;
+ break;
+ } else {
+ depth_index = index;
+ continue;
+ }
+ case TGSI_SEMANTIC_STENCIL:
+ stencil_index = index;
+ continue;
case TGSI_SEMANTIC_COLOR:
if (si_shader_ctx->type == TGSI_PROCESSOR_VERTEX) {
+ case TGSI_SEMANTIC_BCOLOR:
target = V_008DFC_SQ_EXP_PARAM + param_count;
shader->output[i].param_offset = param_count;
param_count++;
} else {
target = V_008DFC_SQ_EXP_MRT + color_count;
+ if (color_count == 0 &&
+ si_shader_ctx->key.alpha_func != PIPE_FUNC_ALWAYS)
+ si_alpha_test(bld_base, index);
+
color_count++;
}
break;
}
}
+ if (depth_index >= 0 || stencil_index >= 0) {
+ LLVMValueRef out_ptr;
+ unsigned mask = 0;
+
+ /* Specify the target we are exporting */
+ args[3] = lp_build_const_int32(base->gallivm, V_008DFC_SQ_EXP_MRTZ);
+
+ if (depth_index >= 0) {
+ out_ptr = si_shader_ctx->radeon_bld.soa.outputs[depth_index][2];
+ args[5] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
+ mask |= 0x1;
+
+ if (stencil_index < 0) {
+ args[6] =
+ args[7] =
+ args[8] = args[5];
+ }
+ }
+
+ if (stencil_index >= 0) {
+ out_ptr = si_shader_ctx->radeon_bld.soa.outputs[stencil_index][1];
+ args[7] =
+ args[8] =
+ args[6] = LLVMBuildLoad(base->gallivm->builder, out_ptr, "");
+ mask |= 0x2;
+
+ if (depth_index < 0)
+ args[5] = args[6];
+ }
+
+ /* Specify which components to enable */
+ args[0] = lp_build_const_int32(base->gallivm, mask);
+
+ args[1] =
+ args[2] =
+ args[4] = uint->zero;
+
+ if (last_args[0])
+ lp_build_intrinsic(base->gallivm->builder,
+ "llvm.SI.export",
+ LLVMVoidTypeInContext(base->gallivm->context),
+ args, 9);
+ else
+ memcpy(last_args, args, sizeof(args));
+ }
+
if (!last_args[0]) {
assert(si_shader_ctx->type == TGSI_PROCESSOR_FRAGMENT);
last_args[6]= uint->zero;
last_args[7]= uint->zero;
last_args[8]= uint->zero;
+
+ si_shader_ctx->shader->spi_shader_col_format |=
+ V_028714_SPI_SHADER_32_ABGR;
}
/* Specify whether the EXEC mask represents the valid mask */
struct lp_build_tgsi_context * bld_base,
struct lp_build_emit_data * emit_data)
{
+ struct gallivm_state *gallivm = bld_base->base.gallivm;
const struct tgsi_full_instruction * inst = emit_data->inst;
LLVMValueRef ptr;
LLVMValueRef offset;
+ LLVMValueRef coords[5];
+ unsigned chan;
/* WriteMask */
/* XXX: should be optimized using emit_data->inst->Dst[0].Register.WriteMask*/
/* Coordinates */
/* XXX: Not all sample instructions need 4 address arguments. */
- if (inst->Instruction.Opcode == TGSI_OPCODE_TXP) {
- LLVMValueRef src_w;
- unsigned chan;
- LLVMValueRef coords[4];
-
- emit_data->dst_type = LLVMVectorType(bld_base->base.elem_type, 4);
- src_w = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
-
- for (chan = 0; chan < 3; chan++ ) {
- LLVMValueRef arg = lp_build_emit_fetch(bld_base,
- emit_data->inst, 0, chan);
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
+ coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W)
+;
+
+ for (chan = 0; chan < 3; chan++ ) {
+ coords[chan] = lp_build_emit_fetch(bld_base,
+ emit_data->inst, 0,
+ chan);
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
coords[chan] = lp_build_emit_llvm_binary(bld_base,
TGSI_OPCODE_DIV,
- arg, src_w);
- }
- coords[3] = bld_base->base.one;
- emit_data->args[1] = lp_build_gather_values(bld_base->base.gallivm,
- coords, 4);
- } else
- emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
- 0, LP_CHAN_ALL);
+ coords[chan],
+ coords[3]);
+ }
+
+ coords[3] = bld_base->base.one;
+
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TEX2 ||
+ inst->Instruction.Opcode == TGSI_OPCODE_TXB2 ||
+ inst->Instruction.Opcode == TGSI_OPCODE_TXL2) {
+ /* These instructions have additional operand that should be packed
+ * into the cube coord vector by radeon_llvm_emit_prepare_cube_coords.
+ * That operand should be passed as a float value in the args array
+ * right after the coord vector. After packing it's not used anymore,
+ * that's why arg_count is not increased */
+ coords[4] = lp_build_emit_fetch(bld_base, inst, 1, 0);
+ }
+
+ if ((inst->Texture.Texture == TGSI_TEXTURE_CUBE ||
+ inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE) &&
+ inst->Instruction.Opcode != TGSI_OPCODE_TXQ) {
+ radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, coords);
+ }
+
+ for (chan = 0; chan < 4; chan++ ) {
+ coords[chan] = LLVMBuildBitCast(gallivm->builder,
+ coords[chan],
+ LLVMInt32TypeInContext(gallivm->context),
+ "");
+ }
+
+ emit_data->args[1] = lp_build_gather_values(gallivm, coords, 4);
/* Resource */
- ptr = use_sgpr(bld_base->base.gallivm, SGPR_CONST_PTR_V8I32, 4);
+ ptr = use_sgpr(bld_base->base.gallivm, SGPR_CONST_PTR_V8I32, SI_SGPR_RESOURCE);
offset = lp_build_const_int32(bld_base->base.gallivm,
emit_data->inst->Src[1].Register.Index);
emit_data->args[2] = build_indexed_load(bld_base->base.gallivm,
ptr, offset);
/* Sampler */
- ptr = use_sgpr(bld_base->base.gallivm, SGPR_CONST_PTR_V4I32, 2);
+ ptr = use_sgpr(bld_base->base.gallivm, SGPR_CONST_PTR_V4I32, SI_SGPR_SAMPLER);
offset = lp_build_const_int32(bld_base->base.gallivm,
emit_data->inst->Src[1].Register.Index);
emit_data->args[3] = build_indexed_load(bld_base->base.gallivm,
ptr, offset);
/* Dimensions */
- /* XXX: We might want to pass this information to the shader at some. */
-/* emit_data->args[4] = lp_build_const_int32(bld_base->base.gallivm,
+ emit_data->args[4] = lp_build_const_int32(bld_base->base.gallivm,
emit_data->inst->Texture.Texture);
-*/
- emit_data->arg_count = 4;
+ emit_data->arg_count = 5;
/* XXX: To optimize, we could use a float or v2f32, if the last bits of
* the writemask are clear */
emit_data->dst_type = LLVMVectorType(
static const struct lp_build_tgsi_action tex_action = {
.fetch_args = tex_fetch_args,
.emit = lp_build_tgsi_intrinsic,
- .intr_name = "llvm.SI.sample"
+ .intr_name = "llvm.SI.sample."
+};
+
+static const struct lp_build_tgsi_action txb_action = {
+ .fetch_args = tex_fetch_args,
+ .emit = lp_build_tgsi_intrinsic,
+ .intr_name = "llvm.SI.sampleb."
+};
+
+static const struct lp_build_tgsi_action txl_action = {
+ .fetch_args = tex_fetch_args,
+ .emit = lp_build_tgsi_intrinsic,
+ .intr_name = "llvm.SI.samplel."
};
int si_pipe_shader_create(
struct pipe_context *ctx,
- struct si_pipe_shader *shader)
+ struct si_pipe_shader *shader,
+ struct si_shader_key key)
{
struct r600_context *rctx = (struct r600_context*)ctx;
struct si_pipe_shader_selector *sel = shader->selector;
dump = debug_get_bool_option("RADEON_DUMP_SHADERS", FALSE);
+ assert(shader->shader.noutput == 0);
+ assert(shader->shader.ninterp == 0);
+ assert(shader->shader.ninput == 0);
+
memset(&si_shader_ctx, 0, sizeof(si_shader_ctx));
radeon_llvm_context_init(&si_shader_ctx.radeon_bld);
bld_base = &si_shader_ctx.radeon_bld.soa.bld_base;
tgsi_scan_shader(sel->tokens, &shader_info);
+ if (shader_info.indirect_files != 0) {
+ fprintf(stderr, "Indirect addressing not fully handled yet\n");
+ return -ENOSYS;
+ }
+
+ shader->shader.uses_kill = shader_info.uses_kill;
bld_base->info = &shader_info;
bld_base->emit_fetch_funcs[TGSI_FILE_CONSTANT] = fetch_constant;
bld_base->emit_prologue = si_llvm_emit_prologue;
bld_base->emit_epilogue = si_llvm_emit_epilogue;
bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
+ bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action;
+ bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action;
bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;
si_shader_ctx.radeon_bld.load_input = declare_input;
si_shader_ctx.tokens = sel->tokens;
tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens);
si_shader_ctx.shader = shader;
+ si_shader_ctx.key = key;
si_shader_ctx.type = si_shader_ctx.parse.FullHeader.Processor.Processor;
si_shader_ctx.rctx = rctx;
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