#include "nir.h"
#include "pipe/p_state.h"
#include "util/u_memory.h"
+#include "util/hash_table.h"
struct ntv_context {
struct spirv_builder builder;
SpvId GLSL_std_450;
gl_shader_stage stage;
- SpvId inputs[PIPE_MAX_SHADER_INPUTS][4];
- SpvId input_types[PIPE_MAX_SHADER_INPUTS][4];
- SpvId outputs[PIPE_MAX_SHADER_OUTPUTS][4];
- SpvId output_types[PIPE_MAX_SHADER_OUTPUTS][4];
SpvId ubos[128];
size_t num_ubos;
SpvId *defs;
size_t num_defs;
- struct hash_table *vars;
+ SpvId *regs;
+ size_t num_regs;
+
+ struct hash_table *vars; /* nir_variable -> SpvId */
const SpvId *block_ids;
size_t num_blocks;
bool block_started;
+ SpvId loop_break, loop_cont;
+
+ SpvId front_face_var;
};
static SpvId
-get_fvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
- const float values[]);
+get_fvec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, float value);
static SpvId
-get_uvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
- const uint32_t values[]);
+get_uvec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, uint32_t value);
+
+static SpvId
+get_ivec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, int32_t value);
static SpvId
emit_unop(struct ntv_context *ctx, SpvOp op, SpvId type, SpvId src);
return ctx->block_ids[block->index];
}
+static SpvId
+emit_float_const(struct ntv_context *ctx, int bit_size, float value)
+{
+ assert(bit_size == 32);
+ return spirv_builder_const_float(&ctx->builder, bit_size, value);
+}
+
+static SpvId
+emit_uint_const(struct ntv_context *ctx, int bit_size, uint32_t value)
+{
+ assert(bit_size == 32);
+ return spirv_builder_const_uint(&ctx->builder, bit_size, value);
+}
+
+static SpvId
+emit_int_const(struct ntv_context *ctx, int bit_size, int32_t value)
+{
+ assert(bit_size == 32);
+ return spirv_builder_const_int(&ctx->builder, bit_size, value);
+}
+
static SpvId
get_fvec_type(struct ntv_context *ctx, unsigned bit_size, unsigned num_components)
{
static SpvId
get_ivec_type(struct ntv_context *ctx, unsigned bit_size, unsigned num_components)
{
- assert(bit_size == 32); // only 32-bit ints supported so far
+ assert(bit_size == 1 || bit_size == 32); // only 32-bit ints supported so far
- SpvId int_type = spirv_builder_type_int(&ctx->builder, bit_size);
+ SpvId int_type = spirv_builder_type_int(&ctx->builder, MAX2(bit_size, 32));
if (num_components > 1)
return spirv_builder_type_vector(&ctx->builder, int_type,
num_components);
static SpvId
get_uvec_type(struct ntv_context *ctx, unsigned bit_size, unsigned num_components)
{
- assert(bit_size == 32); // only 32-bit uints supported so far
+ assert(bit_size == 1 || bit_size == 32); // only 32-bit uints supported so far
- SpvId uint_type = spirv_builder_type_uint(&ctx->builder, bit_size);
+ SpvId uint_type = spirv_builder_type_uint(&ctx->builder, MAX2(bit_size, 32));
if (num_components > 1)
return spirv_builder_type_vector(&ctx->builder, uint_type,
num_components);
get_glsl_basetype(struct ntv_context *ctx, enum glsl_base_type type)
{
switch (type) {
+ case GLSL_TYPE_BOOL:
+ return spirv_builder_type_bool(&ctx->builder);
+
case GLSL_TYPE_FLOAT:
return spirv_builder_type_float(&ctx->builder, 32);
get_glsl_basetype(ctx, glsl_get_base_type(type)),
glsl_get_vector_elements(type));
+ if (glsl_type_is_array(type)) {
+ SpvId ret = spirv_builder_type_array(&ctx->builder,
+ get_glsl_type(ctx, glsl_get_array_element(type)),
+ emit_uint_const(ctx, 32, glsl_get_length(type)));
+ uint32_t stride = glsl_get_explicit_stride(type);
+ if (stride)
+ spirv_builder_emit_array_stride(&ctx->builder, ret, stride);
+ return ret;
+ }
+
+
unreachable("we shouldn't get here, I think...");
}
static void
emit_input(struct ntv_context *ctx, struct nir_variable *var)
{
- SpvId vec_type = get_glsl_type(ctx, var->type);
+ SpvId var_type = get_glsl_type(ctx, var->type);
SpvId pointer_type = spirv_builder_type_pointer(&ctx->builder,
SpvStorageClassInput,
- vec_type);
+ var_type);
SpvId var_id = spirv_builder_emit_var(&ctx->builder, pointer_type,
SpvStorageClassInput);
spirv_builder_emit_name(&ctx->builder, var_id, var->name);
if (ctx->stage == MESA_SHADER_FRAGMENT) {
- switch (var->data.location) {
- case VARYING_SLOT_POS:
- spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInFragCoord);
- break;
-
- case VARYING_SLOT_PNTC:
- spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPointCoord);
- break;
-
- default:
+ if (var->data.location >= VARYING_SLOT_VAR0)
spirv_builder_emit_location(&ctx->builder, var_id,
- var->data.driver_location);
- break;
+ var->data.location -
+ VARYING_SLOT_VAR0 +
+ VARYING_SLOT_TEX0);
+ else if ((var->data.location >= VARYING_SLOT_COL0 &&
+ var->data.location <= VARYING_SLOT_TEX7) ||
+ var->data.location == VARYING_SLOT_BFC0 ||
+ var->data.location == VARYING_SLOT_BFC1) {
+ spirv_builder_emit_location(&ctx->builder, var_id,
+ var->data.location);
+ } else {
+ switch (var->data.location) {
+ case VARYING_SLOT_POS:
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInFragCoord);
+ break;
+
+ case VARYING_SLOT_PNTC:
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPointCoord);
+ break;
+
+ default:
+ debug_printf("unknown varying slot: %s\n", gl_varying_slot_name(var->data.location));
+ unreachable("unexpected varying slot");
+ }
}
} else {
spirv_builder_emit_location(&ctx->builder, var_id,
if (var->data.interpolation == INTERP_MODE_FLAT)
spirv_builder_emit_decoration(&ctx->builder, var_id, SpvDecorationFlat);
- assert(var->data.driver_location < PIPE_MAX_SHADER_INPUTS);
- assert(var->data.location_frac < 4);
- assert(ctx->inputs[var->data.driver_location][var->data.location_frac] == 0);
- ctx->inputs[var->data.driver_location][var->data.location_frac] = var_id;
- ctx->input_types[var->data.driver_location][var->data.location_frac] = vec_type;
+ _mesa_hash_table_insert(ctx->vars, var, (void *)(intptr_t)var_id);
assert(ctx->num_entry_ifaces < ARRAY_SIZE(ctx->entry_ifaces));
ctx->entry_ifaces[ctx->num_entry_ifaces++] = var_id;
static void
emit_output(struct ntv_context *ctx, struct nir_variable *var)
{
- SpvId vec_type = get_glsl_type(ctx, var->type);
+ SpvId var_type = get_glsl_type(ctx, var->type);
SpvId pointer_type = spirv_builder_type_pointer(&ctx->builder,
SpvStorageClassOutput,
- vec_type);
+ var_type);
SpvId var_id = spirv_builder_emit_var(&ctx->builder, pointer_type,
SpvStorageClassOutput);
if (var->name)
if (ctx->stage == MESA_SHADER_VERTEX) {
- switch (var->data.location) {
- case VARYING_SLOT_POS:
- spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPosition);
- break;
-
- case VARYING_SLOT_PSIZ:
- spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPointSize);
- break;
-
- default:
+ if (var->data.location >= VARYING_SLOT_VAR0)
spirv_builder_emit_location(&ctx->builder, var_id,
- var->data.driver_location - 1);
+ var->data.location -
+ VARYING_SLOT_VAR0 +
+ VARYING_SLOT_TEX0);
+ else if ((var->data.location >= VARYING_SLOT_COL0 &&
+ var->data.location <= VARYING_SLOT_TEX7) ||
+ var->data.location == VARYING_SLOT_BFC0 ||
+ var->data.location == VARYING_SLOT_BFC1) {
+ spirv_builder_emit_location(&ctx->builder, var_id,
+ var->data.location);
+ } else {
+ switch (var->data.location) {
+ case VARYING_SLOT_POS:
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPosition);
+ break;
+
+ case VARYING_SLOT_PSIZ:
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInPointSize);
+ break;
+
+ case VARYING_SLOT_CLIP_DIST0:
+ assert(glsl_type_is_array(var->type));
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInClipDistance);
+ break;
+
+ default:
+ debug_printf("unknown varying slot: %s\n", gl_varying_slot_name(var->data.location));
+ unreachable("unexpected varying slot");
+ }
}
} else if (ctx->stage == MESA_SHADER_FRAGMENT) {
- switch (var->data.location) {
- case FRAG_RESULT_DEPTH:
- spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInFragDepth);
- break;
-
- default:
+ if (var->data.location >= FRAG_RESULT_DATA0)
spirv_builder_emit_location(&ctx->builder, var_id,
- var->data.driver_location);
+ var->data.location - FRAG_RESULT_DATA0);
+ else {
+ switch (var->data.location) {
+ case FRAG_RESULT_COLOR:
+ spirv_builder_emit_location(&ctx->builder, var_id, 0);
+ break;
+
+ case FRAG_RESULT_DEPTH:
+ spirv_builder_emit_builtin(&ctx->builder, var_id, SpvBuiltInFragDepth);
+ break;
+
+ default:
+ spirv_builder_emit_location(&ctx->builder, var_id,
+ var->data.driver_location);
+ }
}
}
spirv_builder_emit_component(&ctx->builder, var_id,
var->data.location_frac);
- assert(var->data.driver_location < PIPE_MAX_SHADER_INPUTS);
- assert(var->data.location_frac < 4);
- assert(ctx->outputs[var->data.driver_location][var->data.location_frac] == 0);
- ctx->outputs[var->data.driver_location][var->data.location_frac] = var_id;
- ctx->output_types[var->data.driver_location][var->data.location_frac] = vec_type;
+ _mesa_hash_table_insert(ctx->vars, var, (void *)(intptr_t)var_id);
assert(ctx->num_entry_ifaces < ARRAY_SIZE(ctx->entry_ifaces));
ctx->entry_ifaces[ctx->num_entry_ifaces++] = var_id;
return SpvDim1D;
case GLSL_SAMPLER_DIM_2D:
return SpvDim2D;
- case GLSL_SAMPLER_DIM_RECT:
- return SpvDimRect;
- case GLSL_SAMPLER_DIM_CUBE:
- return SpvDimCube;
case GLSL_SAMPLER_DIM_3D:
return SpvDim3D;
+ case GLSL_SAMPLER_DIM_CUBE:
+ return SpvDimCube;
+ case GLSL_SAMPLER_DIM_RECT:
+ return SpvDimRect;
+ case GLSL_SAMPLER_DIM_BUF:
+ return SpvDimBuffer;
+ case GLSL_SAMPLER_DIM_EXTERNAL:
+ return SpvDim2D; /* seems dodgy... */
case GLSL_SAMPLER_DIM_MS:
*is_ms = true;
return SpvDim2D;
{
uint32_t size = glsl_count_attribute_slots(var->type, false);
SpvId vec4_type = get_uvec_type(ctx, 32, 4);
- SpvId array_length = spirv_builder_const_uint(&ctx->builder, 32, size);
+ SpvId array_length = emit_uint_const(ctx, 32, size);
SpvId array_type = spirv_builder_type_array(&ctx->builder, vec4_type,
array_length);
spirv_builder_emit_array_stride(&ctx->builder, array_type, 16);
static void
emit_uniform(struct ntv_context *ctx, struct nir_variable *var)
{
- if (glsl_type_is_sampler(var->type))
- emit_sampler(ctx, var);
- else if (var->interface_type)
+ if (var->data.mode == nir_var_mem_ubo)
emit_ubo(ctx, var);
+ else {
+ assert(var->data.mode == nir_var_uniform);
+ if (glsl_type_is_sampler(var->type))
+ emit_sampler(ctx, var);
+ }
}
static SpvId
static SpvId
get_var_from_reg(struct ntv_context *ctx, nir_register *reg)
{
- struct hash_entry *he = _mesa_hash_table_search(ctx->vars, reg);
- if (!he) {
- SpvId type = get_uvec_type(ctx, reg->bit_size, reg->num_components);
- SpvId pointer_type = spirv_builder_type_pointer(&ctx->builder,
- SpvStorageClassFunction,
- type);
-
- SpvId var = spirv_builder_emit_var(&ctx->builder, pointer_type,
- SpvStorageClassFunction);
-
- he = _mesa_hash_table_insert(ctx->vars, reg, (void *)(intptr_t)var);
- }
- return (SpvId)(intptr_t)he->data;
+ assert(reg->index < ctx->num_regs);
+ assert(ctx->regs[reg->index] != 0);
+ return ctx->regs[reg->index];
}
static SpvId
return def;
int bit_size = nir_src_bit_size(alu->src[src].src);
+ assert(bit_size == 1 || bit_size == 32);
- SpvId uint_type = spirv_builder_type_uint(&ctx->builder, bit_size);
+ SpvId uint_type = spirv_builder_type_uint(&ctx->builder, MAX2(bit_size, 32));
if (used_channels == 1) {
uint32_t indices[] = { alu->src[src].swizzle[0] };
return spirv_builder_emit_composite_extract(&ctx->builder, uint_type,
ctx->defs[ssa->index] = result;
}
+static SpvId
+emit_select(struct ntv_context *ctx, SpvId type, SpvId cond,
+ SpvId if_true, SpvId if_false)
+{
+ return emit_triop(ctx, SpvOpSelect, type, cond, if_true, if_false);
+}
+
static SpvId
bvec_to_uvec(struct ntv_context *ctx, SpvId value, unsigned num_components)
{
SpvId otype = get_uvec_type(ctx, 32, num_components);
- uint32_t zeros[4] = { 0, 0, 0, 0 };
- uint32_t ones[4] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
- SpvId zero = get_uvec_constant(ctx, 32, num_components, zeros);
- SpvId one = get_uvec_constant(ctx, 32, num_components, ones);
- return emit_triop(ctx, SpvOpSelect, otype, value, one, zero);
+ SpvId zero = get_uvec_constant(ctx, 32, num_components, 0);
+ SpvId one = get_uvec_constant(ctx, 32, num_components, UINT32_MAX);
+ return emit_select(ctx, otype, value, one, zero);
}
static SpvId
uvec_to_bvec(struct ntv_context *ctx, SpvId value, unsigned num_components)
{
SpvId type = get_bvec_type(ctx, num_components);
-
- uint32_t zeros[NIR_MAX_VEC_COMPONENTS] = { 0 };
- SpvId zero = get_uvec_constant(ctx, 32, num_components, zeros);
-
+ SpvId zero = get_uvec_constant(ctx, 32, num_components, 0);
return emit_binop(ctx, SpvOpINotEqual, type, value, zero);
}
+static SpvId
+emit_bitcast(struct ntv_context *ctx, SpvId type, SpvId value)
+{
+ return emit_unop(ctx, SpvOpBitcast, type, value);
+}
+
static SpvId
bitcast_to_uvec(struct ntv_context *ctx, SpvId value, unsigned bit_size,
unsigned num_components)
{
SpvId type = get_uvec_type(ctx, bit_size, num_components);
- return emit_unop(ctx, SpvOpBitcast, type, value);
+ return emit_bitcast(ctx, type, value);
}
static SpvId
unsigned num_components)
{
SpvId type = get_ivec_type(ctx, bit_size, num_components);
- return emit_unop(ctx, SpvOpBitcast, type, value);
+ return emit_bitcast(ctx, type, value);
}
static SpvId
unsigned num_components)
{
SpvId type = get_fvec_type(ctx, bit_size, num_components);
- return emit_unop(ctx, SpvOpBitcast, type, value);
+ return emit_bitcast(ctx, type, value);
}
static void
}
static SpvId
-get_fvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
- const float values[])
+emit_builtin_triop(struct ntv_context *ctx, enum GLSLstd450 op, SpvId type,
+ SpvId src0, SpvId src1, SpvId src2)
+{
+ SpvId args[] = { src0, src1, src2 };
+ return spirv_builder_emit_ext_inst(&ctx->builder, type, ctx->GLSL_std_450,
+ op, args, ARRAY_SIZE(args));
+}
+
+static SpvId
+get_fvec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, float value)
{
assert(bit_size == 32);
- if (num_components > 1) {
- SpvId components[num_components];
- for (int i = 0; i < num_components; i++)
- components[i] = spirv_builder_const_float(&ctx->builder, bit_size,
- values[i]);
+ SpvId result = emit_float_const(ctx, bit_size, value);
+ if (num_components == 1)
+ return result;
- SpvId type = get_fvec_type(ctx, bit_size, num_components);
- return spirv_builder_const_composite(&ctx->builder, type, components,
- num_components);
- }
+ assert(num_components > 1);
+ SpvId components[num_components];
+ for (int i = 0; i < num_components; i++)
+ components[i] = result;
- assert(num_components == 1);
- return spirv_builder_const_float(&ctx->builder, bit_size, values[0]);
+ SpvId type = get_fvec_type(ctx, bit_size, num_components);
+ return spirv_builder_const_composite(&ctx->builder, type, components,
+ num_components);
}
static SpvId
-get_uvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
- const uint32_t values[])
+get_uvec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, uint32_t value)
{
assert(bit_size == 32);
- if (num_components > 1) {
- SpvId components[num_components];
- for (int i = 0; i < num_components; i++)
- components[i] = spirv_builder_const_uint(&ctx->builder, bit_size,
- values[i]);
+ SpvId result = emit_uint_const(ctx, bit_size, value);
+ if (num_components == 1)
+ return result;
- SpvId type = get_uvec_type(ctx, bit_size, num_components);
- return spirv_builder_const_composite(&ctx->builder, type, components,
- num_components);
- }
+ assert(num_components > 1);
+ SpvId components[num_components];
+ for (int i = 0; i < num_components; i++)
+ components[i] = result;
- assert(num_components == 1);
- return spirv_builder_const_uint(&ctx->builder, bit_size, values[0]);
+ SpvId type = get_uvec_type(ctx, bit_size, num_components);
+ return spirv_builder_const_composite(&ctx->builder, type, components,
+ num_components);
+}
+
+static SpvId
+get_ivec_constant(struct ntv_context *ctx, unsigned bit_size,
+ unsigned num_components, int32_t value)
+{
+ assert(bit_size == 32);
+
+ SpvId result = emit_int_const(ctx, bit_size, value);
+ if (num_components == 1)
+ return result;
+
+ assert(num_components > 1);
+ SpvId components[num_components];
+ for (int i = 0; i < num_components; i++)
+ components[i] = result;
+
+ SpvId type = get_ivec_type(ctx, bit_size, num_components);
+ return spirv_builder_const_composite(&ctx->builder, type, components,
+ num_components);
}
static inline unsigned
result = emit_unop(ctx, spirv_op, dest_type, src[0]); \
break;
+ UNOP(nir_op_ineg, SpvOpSNegate)
+ UNOP(nir_op_fneg, SpvOpFNegate)
+ UNOP(nir_op_fddx, SpvOpDPdx)
+ UNOP(nir_op_fddy, SpvOpDPdy)
+ UNOP(nir_op_f2i32, SpvOpConvertFToS)
+ UNOP(nir_op_f2u32, SpvOpConvertFToU)
+ UNOP(nir_op_i2f32, SpvOpConvertSToF)
+ UNOP(nir_op_u2f32, SpvOpConvertUToF)
+ UNOP(nir_op_inot, SpvOpNot)
+#undef UNOP
+
+ case nir_op_b2i32:
+ assert(nir_op_infos[alu->op].num_inputs == 1);
+ result = emit_select(ctx, dest_type, src[0],
+ get_ivec_constant(ctx, 32, num_components, 1),
+ get_ivec_constant(ctx, 32, num_components, 0));
+ break;
+
+ case nir_op_b2f32:
+ assert(nir_op_infos[alu->op].num_inputs == 1);
+ result = emit_select(ctx, dest_type, src[0],
+ get_fvec_constant(ctx, 32, num_components, 1),
+ get_fvec_constant(ctx, 32, num_components, 0));
+ break;
+
#define BUILTIN_UNOP(nir_op, spirv_op) \
case nir_op: \
assert(nir_op_infos[alu->op].num_inputs == 1); \
result = emit_builtin_unop(ctx, spirv_op, dest_type, src[0]); \
break;
- UNOP(nir_op_fneg, SpvOpFNegate)
- UNOP(nir_op_fddx, SpvOpDPdx)
- UNOP(nir_op_fddy, SpvOpDPdy)
-
+ BUILTIN_UNOP(nir_op_iabs, GLSLstd450SAbs)
BUILTIN_UNOP(nir_op_fabs, GLSLstd450FAbs)
BUILTIN_UNOP(nir_op_fsqrt, GLSLstd450Sqrt)
BUILTIN_UNOP(nir_op_frsq, GLSLstd450InverseSqrt)
BUILTIN_UNOP(nir_op_fsign, GLSLstd450FSign)
BUILTIN_UNOP(nir_op_fsin, GLSLstd450Sin)
BUILTIN_UNOP(nir_op_fcos, GLSLstd450Cos)
+#undef BUILTIN_UNOP
- case nir_op_frcp: {
+ case nir_op_frcp:
assert(nir_op_infos[alu->op].num_inputs == 1);
- float one[4] = { 1, 1, 1, 1 };
- src[1] = src[0];
- src[0] = get_fvec_constant(ctx, bit_size, num_components, one);
- result = emit_binop(ctx, SpvOpFDiv, dest_type, src[0], src[1]);
- }
+ result = emit_binop(ctx, SpvOpFDiv, dest_type,
+ get_fvec_constant(ctx, bit_size, num_components, 1),
+ src[0]);
+ break;
+
+ case nir_op_f2b1:
+ assert(nir_op_infos[alu->op].num_inputs == 1);
+ result = emit_binop(ctx, SpvOpFOrdNotEqual, dest_type, src[0],
+ get_fvec_constant(ctx,
+ nir_src_bit_size(alu->src[0].src),
+ num_components, 0));
break;
-#undef UNOP
-#undef BUILTIN_UNOP
#define BINOP(nir_op, spirv_op) \
case nir_op: \
result = emit_binop(ctx, spirv_op, dest_type, src[0], src[1]); \
break;
-#define BUILTIN_BINOP(nir_op, spirv_op) \
- case nir_op: \
- assert(nir_op_infos[alu->op].num_inputs == 2); \
- result = emit_builtin_binop(ctx, spirv_op, dest_type, src[0], src[1]); \
- break;
-
BINOP(nir_op_iadd, SpvOpIAdd)
BINOP(nir_op_isub, SpvOpISub)
BINOP(nir_op_imul, SpvOpIMul)
+ BINOP(nir_op_idiv, SpvOpSDiv)
+ BINOP(nir_op_udiv, SpvOpUDiv)
+ BINOP(nir_op_umod, SpvOpUMod)
BINOP(nir_op_fadd, SpvOpFAdd)
BINOP(nir_op_fsub, SpvOpFSub)
BINOP(nir_op_fmul, SpvOpFMul)
- BINOP(nir_op_flt, SpvOpFUnordLessThan)
- BINOP(nir_op_fge, SpvOpFUnordGreaterThanEqual)
+ BINOP(nir_op_fdiv, SpvOpFDiv)
+ BINOP(nir_op_fmod, SpvOpFMod)
+ BINOP(nir_op_ilt, SpvOpSLessThan)
+ BINOP(nir_op_ige, SpvOpSGreaterThanEqual)
+ BINOP(nir_op_ieq, SpvOpIEqual)
+ BINOP(nir_op_ine, SpvOpINotEqual)
+ BINOP(nir_op_uge, SpvOpUGreaterThanEqual)
+ BINOP(nir_op_flt, SpvOpFOrdLessThan)
+ BINOP(nir_op_fge, SpvOpFOrdGreaterThanEqual)
+ BINOP(nir_op_feq, SpvOpFOrdEqual)
+ BINOP(nir_op_fne, SpvOpFOrdNotEqual)
+ BINOP(nir_op_ishl, SpvOpShiftLeftLogical)
+ BINOP(nir_op_ishr, SpvOpShiftRightArithmetic)
+ BINOP(nir_op_ushr, SpvOpShiftRightLogical)
+ BINOP(nir_op_iand, SpvOpBitwiseAnd)
+ BINOP(nir_op_ior, SpvOpBitwiseOr)
+#undef BINOP
+
+#define BUILTIN_BINOP(nir_op, spirv_op) \
+ case nir_op: \
+ assert(nir_op_infos[alu->op].num_inputs == 2); \
+ result = emit_builtin_binop(ctx, spirv_op, dest_type, src[0], src[1]); \
+ break;
BUILTIN_BINOP(nir_op_fmin, GLSLstd450FMin)
BUILTIN_BINOP(nir_op_fmax, GLSLstd450FMax)
-
-#undef BINOP
#undef BUILTIN_BINOP
case nir_op_fdot2:
int num_components = nir_dest_num_components(alu->dest.dest);
SpvId bool_type = get_bvec_type(ctx, num_components);
- SpvId zero = spirv_builder_const_float(&ctx->builder, 32, 0.0f);
- SpvId one = spirv_builder_const_float(&ctx->builder, 32, 1.0f);
+ SpvId zero = emit_float_const(ctx, bit_size, 0.0f);
+ SpvId one = emit_float_const(ctx, bit_size, 1.0f);
if (num_components > 1) {
SpvId zero_comps[num_components], one_comps[num_components];
for (int i = 0; i < num_components; i++) {
}
result = emit_binop(ctx, op, bool_type, src[0], src[1]);
- result = emit_triop(ctx, SpvOpSelect, dest_type, result, one, zero);
+ result = emit_select(ctx, dest_type, result, one, zero);
}
break;
- case nir_op_fcsel: {
+ case nir_op_flrp:
assert(nir_op_infos[alu->op].num_inputs == 3);
- int num_components = nir_dest_num_components(alu->dest.dest);
- SpvId bool_type = get_bvec_type(ctx, num_components);
+ result = emit_builtin_triop(ctx, GLSLstd450FMix, dest_type,
+ src[0], src[1], src[2]);
+ break;
+
+ case nir_op_fcsel:
+ result = emit_binop(ctx, SpvOpFOrdGreaterThan,
+ get_bvec_type(ctx, num_components),
+ src[0],
+ get_fvec_constant(ctx,
+ nir_src_bit_size(alu->src[0].src),
+ num_components, 0));
+ result = emit_select(ctx, dest_type, result, src[1], src[2]);
+ break;
- float zero[4] = { 0, 0, 0, 0 };
- SpvId cmp = get_fvec_constant(ctx, nir_src_bit_size(alu->src[0].src),
- num_components, zero);
+ case nir_op_bcsel:
+ assert(nir_op_infos[alu->op].num_inputs == 3);
+ result = emit_select(ctx, dest_type, src[0], src[1], src[2]);
+ break;
- result = emit_binop(ctx, SpvOpFOrdGreaterThan, bool_type, src[0], cmp);
- result = emit_triop(ctx, SpvOpSelect, dest_type, result, src[1], src[2]);
- }
+ case nir_op_bany_fnequal2:
+ case nir_op_bany_fnequal3:
+ case nir_op_bany_fnequal4:
+ assert(nir_op_infos[alu->op].num_inputs == 2);
+ assert(alu_instr_src_components(alu, 0) ==
+ alu_instr_src_components(alu, 1));
+ result = emit_binop(ctx, SpvOpFOrdNotEqual,
+ get_bvec_type(ctx, alu_instr_src_components(alu, 0)),
+ src[0], src[1]);
+ result = emit_unop(ctx, SpvOpAny, dest_type, result);
+ break;
+
+ case nir_op_ball_fequal2:
+ case nir_op_ball_fequal3:
+ case nir_op_ball_fequal4:
+ assert(nir_op_infos[alu->op].num_inputs == 2);
+ assert(alu_instr_src_components(alu, 0) ==
+ alu_instr_src_components(alu, 1));
+ result = emit_binop(ctx, SpvOpFOrdEqual,
+ get_bvec_type(ctx, alu_instr_src_components(alu, 0)),
+ src[0], src[1]);
+ result = emit_unop(ctx, SpvOpAll, dest_type, result);
+ break;
+
+ case nir_op_bany_inequal2:
+ case nir_op_bany_inequal3:
+ case nir_op_bany_inequal4:
+ assert(nir_op_infos[alu->op].num_inputs == 2);
+ assert(alu_instr_src_components(alu, 0) ==
+ alu_instr_src_components(alu, 1));
+ result = emit_binop(ctx, SpvOpINotEqual,
+ get_bvec_type(ctx, alu_instr_src_components(alu, 0)),
+ src[0], src[1]);
+ result = emit_unop(ctx, SpvOpAny, dest_type, result);
+ break;
+
+ case nir_op_ball_iequal2:
+ case nir_op_ball_iequal3:
+ case nir_op_ball_iequal4:
+ assert(nir_op_infos[alu->op].num_inputs == 2);
+ assert(alu_instr_src_components(alu, 0) ==
+ alu_instr_src_components(alu, 1));
+ result = emit_binop(ctx, SpvOpIEqual,
+ get_bvec_type(ctx, alu_instr_src_components(alu, 0)),
+ src[0], src[1]);
+ result = emit_unop(ctx, SpvOpAll, dest_type, result);
break;
case nir_op_vec2:
static void
emit_load_const(struct ntv_context *ctx, nir_load_const_instr *load_const)
{
- uint32_t values[NIR_MAX_VEC_COMPONENTS];
- for (int i = 0; i < load_const->def.num_components; ++i)
- values[i] = load_const->value[i].u32;
+ unsigned bit_size = load_const->def.bit_size;
+ unsigned num_components = load_const->def.num_components;
- SpvId constant = get_uvec_constant(ctx, load_const->def.bit_size,
- load_const->def.num_components,
- values);
- store_ssa_def_uint(ctx, &load_const->def, constant);
-}
-
-static void
-emit_load_input(struct ntv_context *ctx, nir_intrinsic_instr *intr)
-{
- nir_const_value *const_offset = nir_src_as_const_value(intr->src[0]);
- if (const_offset) {
- int driver_location = (int)nir_intrinsic_base(intr) + const_offset->u32;
- assert(driver_location < PIPE_MAX_SHADER_INPUTS);
- int location_frac = nir_intrinsic_component(intr);
- assert(location_frac < 4);
-
- SpvId ptr = ctx->inputs[driver_location][location_frac];
- SpvId type = ctx->input_types[driver_location][location_frac];
- assert(ptr && type);
-
- SpvId result = spirv_builder_emit_load(&ctx->builder, type, ptr);
+ SpvId constant;
+ if (num_components > 1) {
+ SpvId components[num_components];
+ SpvId type;
+ if (bit_size == 1) {
+ for (int i = 0; i < num_components; i++)
+ components[i] = spirv_builder_const_bool(&ctx->builder,
+ load_const->value[i].b);
+
+ type = get_bvec_type(ctx, num_components);
+ } else {
+ for (int i = 0; i < num_components; i++)
+ components[i] = emit_uint_const(ctx, bit_size,
+ load_const->value[i].u32);
+
+ type = get_uvec_type(ctx, bit_size, num_components);
+ }
+ constant = spirv_builder_const_composite(&ctx->builder, type,
+ components, num_components);
+ } else {
+ assert(num_components == 1);
+ if (bit_size == 1)
+ constant = spirv_builder_const_bool(&ctx->builder,
+ load_const->value[0].b);
+ else
+ constant = emit_uint_const(ctx, bit_size, load_const->value[0].u32);
+ }
- unsigned num_components = nir_dest_num_components(intr->dest);
- unsigned bit_size = nir_dest_bit_size(intr->dest);
- result = bitcast_to_uvec(ctx, result, bit_size, num_components);
+ if (bit_size == 1)
+ constant = bvec_to_uvec(ctx, constant, num_components);
- store_dest_uint(ctx, &intr->dest, result);
- } else
- unreachable("input-addressing not yet supported");
+ store_ssa_def_uint(ctx, &load_const->def, constant);
}
static void
uvec4_type);
unsigned idx = const_offset->u32;
- SpvId member = spirv_builder_const_uint(&ctx->builder, 32, 0);
- SpvId offset = spirv_builder_const_uint(&ctx->builder, 32, idx);
+ SpvId member = emit_uint_const(ctx, 32, 0);
+ SpvId offset = emit_uint_const(ctx, 32, idx);
SpvId offsets[] = { member, offset };
SpvId ptr = spirv_builder_emit_access_chain(&ctx->builder, pointer_type,
ctx->ubos[0], offsets,
}
static void
-emit_store_output(struct ntv_context *ctx, nir_intrinsic_instr *intr)
+emit_discard(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
- nir_const_value *const_offset = nir_src_as_const_value(intr->src[1]);
- if (const_offset) {
- int driver_location = (int)nir_intrinsic_base(intr) + const_offset->u32;
- assert(driver_location < PIPE_MAX_SHADER_OUTPUTS);
- int location_frac = nir_intrinsic_component(intr);
- assert(location_frac < 4);
-
- SpvId ptr = ctx->outputs[driver_location][location_frac];
- assert(ptr > 0);
-
- SpvId src = get_src_uint(ctx, &intr->src[0]);
- SpvId spirv_type = ctx->output_types[driver_location][location_frac];
- SpvId result = emit_unop(ctx, SpvOpBitcast, spirv_type, src);
- spirv_builder_emit_store(&ctx->builder, ptr, result);
- } else
- unreachable("output-addressing not yet supported");
+ assert(ctx->block_started);
+ spirv_builder_emit_kill(&ctx->builder);
+ /* discard is weird in NIR, so let's just create an unreachable block after
+ it and hope that the vulkan driver will DCE any instructinos in it. */
+ spirv_builder_label(&ctx->builder, spirv_builder_new_id(&ctx->builder));
+}
+
+static void
+emit_load_deref(struct ntv_context *ctx, nir_intrinsic_instr *intr)
+{
+ /* uint is a bit of a lie here; it's really just a pointer */
+ SpvId ptr = get_src_uint(ctx, intr->src);
+
+ nir_variable *var = nir_intrinsic_get_var(intr, 0);
+ SpvId result = spirv_builder_emit_load(&ctx->builder,
+ get_glsl_type(ctx, var->type),
+ ptr);
+ unsigned num_components = nir_dest_num_components(intr->dest);
+ unsigned bit_size = nir_dest_bit_size(intr->dest);
+ result = bitcast_to_uvec(ctx, result, bit_size, num_components);
+ store_dest_uint(ctx, &intr->dest, result);
+}
+
+static void
+emit_store_deref(struct ntv_context *ctx, nir_intrinsic_instr *intr)
+{
+ /* uint is a bit of a lie here; it's really just a pointer */
+ SpvId ptr = get_src_uint(ctx, &intr->src[0]);
+ SpvId src = get_src_uint(ctx, &intr->src[1]);
+
+ nir_variable *var = nir_intrinsic_get_var(intr, 0);
+ SpvId type = get_glsl_type(ctx, glsl_without_array(var->type));
+ SpvId result = emit_bitcast(ctx, type, src);
+ spirv_builder_emit_store(&ctx->builder, ptr, result);
+}
+
+static void
+emit_load_front_face(struct ntv_context *ctx, nir_intrinsic_instr *intr)
+{
+ SpvId var_type = get_glsl_type(ctx, glsl_bool_type());
+ if (!ctx->front_face_var) {
+ SpvId pointer_type = spirv_builder_type_pointer(&ctx->builder,
+ SpvStorageClassInput,
+ var_type);
+ ctx->front_face_var = spirv_builder_emit_var(&ctx->builder,
+ pointer_type,
+ SpvStorageClassInput);
+ spirv_builder_emit_name(&ctx->builder, ctx->front_face_var,
+ "gl_FrontFacing");
+ spirv_builder_emit_builtin(&ctx->builder, ctx->front_face_var,
+ SpvBuiltInFrontFacing);
+
+ assert(ctx->num_entry_ifaces < ARRAY_SIZE(ctx->entry_ifaces));
+ ctx->entry_ifaces[ctx->num_entry_ifaces++] = ctx->front_face_var;
+ }
+
+ SpvId result = spirv_builder_emit_load(&ctx->builder, var_type,
+ ctx->front_face_var);
+ assert(1 == nir_dest_num_components(intr->dest));
+ result = bvec_to_uvec(ctx, result, 1);
+ store_dest_uint(ctx, &intr->dest, result);
}
static void
emit_intrinsic(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
switch (intr->intrinsic) {
- case nir_intrinsic_load_input:
- emit_load_input(ctx, intr);
- break;
-
case nir_intrinsic_load_ubo:
emit_load_ubo(ctx, intr);
break;
- case nir_intrinsic_store_output:
- emit_store_output(ctx, intr);
+ case nir_intrinsic_discard:
+ emit_discard(ctx, intr);
+ break;
+
+ case nir_intrinsic_load_deref:
+ emit_load_deref(ctx, intr);
+ break;
+
+ case nir_intrinsic_store_deref:
+ emit_store_deref(ctx, intr);
+ break;
+
+ case nir_intrinsic_load_front_face:
+ emit_load_front_face(ctx, intr);
break;
default:
static void
emit_undef(struct ntv_context *ctx, nir_ssa_undef_instr *undef)
{
- SpvId type = get_fvec_type(ctx, undef->def.bit_size,
+ SpvId type = get_uvec_type(ctx, undef->def.bit_size,
undef->def.num_components);
store_ssa_def_uint(ctx, &undef->def,
return bitcast_to_fvec(ctx, def, bit_size, num_components);
}
+static SpvId
+get_src_int(struct ntv_context *ctx, nir_src *src)
+{
+ SpvId def = get_src_uint(ctx, src);
+ unsigned num_components = nir_src_num_components(*src);
+ unsigned bit_size = nir_src_bit_size(*src);
+ return bitcast_to_ivec(ctx, def, bit_size, num_components);
+}
+
static void
emit_tex(struct ntv_context *ctx, nir_tex_instr *tex)
{
- assert(tex->op == nir_texop_tex);
+ assert(tex->op == nir_texop_tex ||
+ tex->op == nir_texop_txb ||
+ tex->op == nir_texop_txl ||
+ tex->op == nir_texop_txd ||
+ tex->op == nir_texop_txf);
assert(nir_alu_type_get_base_type(tex->dest_type) == nir_type_float);
assert(tex->texture_index == tex->sampler_index);
- bool has_proj = false;
- SpvId coord = 0, proj;
- unsigned coord_components;
+ SpvId coord = 0, proj = 0, bias = 0, lod = 0, dref = 0, dx = 0, dy = 0;
+ unsigned coord_components = 0;
for (unsigned i = 0; i < tex->num_srcs; i++) {
switch (tex->src[i].src_type) {
case nir_tex_src_coord:
- coord = get_src_float(ctx, &tex->src[i].src);
+ if (tex->op == nir_texop_txf)
+ coord = get_src_int(ctx, &tex->src[i].src);
+ else
+ coord = get_src_float(ctx, &tex->src[i].src);
coord_components = nir_src_num_components(tex->src[i].src);
break;
case nir_tex_src_projector:
- has_proj = true;
+ assert(nir_src_num_components(tex->src[i].src) == 1);
proj = get_src_float(ctx, &tex->src[i].src);
+ assert(proj != 0);
+ break;
+
+ case nir_tex_src_bias:
+ assert(tex->op == nir_texop_txb);
+ bias = get_src_float(ctx, &tex->src[i].src);
+ assert(bias != 0);
+ break;
+
+ case nir_tex_src_lod:
assert(nir_src_num_components(tex->src[i].src) == 1);
+ if (tex->op == nir_texop_txf)
+ lod = get_src_int(ctx, &tex->src[i].src);
+ else
+ lod = get_src_float(ctx, &tex->src[i].src);
+ assert(lod != 0);
+ break;
+
+ case nir_tex_src_comparator:
+ assert(nir_src_num_components(tex->src[i].src) == 1);
+ dref = get_src_float(ctx, &tex->src[i].src);
+ assert(dref != 0);
+ break;
+
+ case nir_tex_src_ddx:
+ dx = get_src_float(ctx, &tex->src[i].src);
+ assert(dx != 0);
+ break;
+
+ case nir_tex_src_ddy:
+ dy = get_src_float(ctx, &tex->src[i].src);
+ assert(dy != 0);
break;
default:
}
}
+ if (lod == 0 && ctx->stage != MESA_SHADER_FRAGMENT) {
+ lod = emit_float_const(ctx, 32, 0.0f);
+ assert(lod != 0);
+ }
+
bool is_ms;
SpvDim dimension = type_to_dim(tex->sampler_dim, &is_ms);
SpvId float_type = spirv_builder_type_float(&ctx->builder, 32);
SpvId dest_type = get_dest_type(ctx, &tex->dest, tex->dest_type);
- SpvId result;
- if (has_proj) {
+ if (proj) {
SpvId constituents[coord_components + 1];
- SpvId float_type = spirv_builder_type_float(&ctx->builder, 32);
- for (uint32_t i = 0; i < coord_components; ++i)
- constituents[i] = spirv_builder_emit_composite_extract(&ctx->builder,
- float_type,
- coord,
- &i, 1);
+ if (coord_components == 1)
+ constituents[0] = coord;
+ else {
+ assert(coord_components > 1);
+ SpvId float_type = spirv_builder_type_float(&ctx->builder, 32);
+ for (uint32_t i = 0; i < coord_components; ++i)
+ constituents[i] = spirv_builder_emit_composite_extract(&ctx->builder,
+ float_type,
+ coord,
+ &i, 1);
+ }
constituents[coord_components++] = proj;
SpvId vec_type = get_fvec_type(ctx, 32, coord_components);
- SpvId merged = spirv_builder_emit_composite_construct(&ctx->builder,
+ coord = spirv_builder_emit_composite_construct(&ctx->builder,
vec_type,
constituents,
coord_components);
+ }
+
+ SpvId actual_dest_type = dest_type;
+ if (dref)
+ actual_dest_type = float_type;
+
+ SpvId result;
+ if (tex->op == nir_texop_txf) {
+ SpvId image = spirv_builder_emit_image(&ctx->builder, image_type, load);
+ result = spirv_builder_emit_image_fetch(&ctx->builder, dest_type,
+ image, coord, lod);
+ } else {
+ result = spirv_builder_emit_image_sample(&ctx->builder,
+ actual_dest_type, load,
+ coord,
+ proj != 0,
+ lod, bias, dref, dx, dy);
+ }
- result = spirv_builder_emit_image_sample_proj_implicit_lod(&ctx->builder,
- dest_type,
- load,
- merged);
- } else
- result = spirv_builder_emit_image_sample_implicit_lod(&ctx->builder,
- dest_type, load,
- coord);
spirv_builder_emit_decoration(&ctx->builder, result,
SpvDecorationRelaxedPrecision);
+ if (dref) {
+ SpvId components[4] = { result, result, result, result };
+ result = spirv_builder_emit_composite_construct(&ctx->builder,
+ dest_type,
+ components,
+ 4);
+ }
+
store_dest(ctx, &tex->dest, result, tex->dest_type);
}
ctx->block_started = false;
}
+static void
+emit_jump(struct ntv_context *ctx, nir_jump_instr *jump)
+{
+ switch (jump->type) {
+ case nir_jump_break:
+ assert(ctx->loop_break);
+ branch(ctx, ctx->loop_break);
+ break;
+
+ case nir_jump_continue:
+ assert(ctx->loop_cont);
+ branch(ctx, ctx->loop_cont);
+ break;
+
+ default:
+ unreachable("Unsupported jump type\n");
+ }
+}
+
+static void
+emit_deref_var(struct ntv_context *ctx, nir_deref_instr *deref)
+{
+ assert(deref->deref_type == nir_deref_type_var);
+
+ struct hash_entry *he = _mesa_hash_table_search(ctx->vars, deref->var);
+ assert(he);
+ SpvId result = (SpvId)(intptr_t)he->data;
+ /* uint is a bit of a lie here, it's really just an opaque type */
+ store_dest_uint(ctx, &deref->dest, result);
+}
+
+static void
+emit_deref_array(struct ntv_context *ctx, nir_deref_instr *deref)
+{
+ assert(deref->deref_type == nir_deref_type_array);
+ nir_variable *var = nir_deref_instr_get_variable(deref);
+
+ SpvStorageClass storage_class;
+ switch (var->data.mode) {
+ case nir_var_shader_in:
+ storage_class = SpvStorageClassInput;
+ break;
+
+ case nir_var_shader_out:
+ storage_class = SpvStorageClassOutput;
+ break;
+
+ default:
+ unreachable("Unsupported nir_variable_mode\n");
+ }
+
+ SpvId index = get_src_uint(ctx, &deref->arr.index);
+
+ SpvId ptr_type = spirv_builder_type_pointer(&ctx->builder,
+ storage_class,
+ get_glsl_type(ctx, deref->type));
+
+ SpvId result = spirv_builder_emit_access_chain(&ctx->builder,
+ ptr_type,
+ get_src_uint(ctx, &deref->parent),
+ &index, 1);
+ /* uint is a bit of a lie here, it's really just an opaque type */
+ store_dest_uint(ctx, &deref->dest, result);
+}
+
+static void
+emit_deref(struct ntv_context *ctx, nir_deref_instr *deref)
+{
+ switch (deref->deref_type) {
+ case nir_deref_type_var:
+ emit_deref_var(ctx, deref);
+ break;
+
+ case nir_deref_type_array:
+ emit_deref_array(ctx, deref);
+ break;
+
+ default:
+ unreachable("unexpected deref_type");
+ }
+}
+
static void
emit_block(struct ntv_context *ctx, struct nir_block *block)
{
unreachable("nir_instr_type_phi not supported");
break;
case nir_instr_type_jump:
- unreachable("nir_instr_type_jump not supported");
+ emit_jump(ctx, nir_instr_as_jump(instr));
break;
case nir_instr_type_call:
unreachable("nir_instr_type_call not supported");
unreachable("nir_instr_type_parallel_copy not supported");
break;
case nir_instr_type_deref:
- unreachable("nir_instr_type_deref not supported");
+ emit_deref(ctx, nir_instr_as_deref(instr));
break;
}
}
get_src_bool(struct ntv_context *ctx, nir_src *src)
{
SpvId def = get_src_uint(ctx, src);
- assert(nir_src_bit_size(*src) == 32);
+ assert(nir_src_bit_size(*src) == 1);
unsigned num_components = nir_src_num_components(*src);
return uvec_to_bvec(ctx, def, num_components);
}
emit_cf_list(ctx, &if_stmt->then_list);
if (has_else) {
- branch(ctx, endif_id);
+ if (ctx->block_started)
+ branch(ctx, endif_id);
+
emit_cf_list(ctx, &if_stmt->else_list);
}
start_block(ctx, endif_id);
}
+static void
+emit_loop(struct ntv_context *ctx, nir_loop *loop)
+{
+ SpvId header_id = spirv_builder_new_id(&ctx->builder);
+ SpvId begin_id = block_label(ctx, nir_loop_first_block(loop));
+ SpvId break_id = spirv_builder_new_id(&ctx->builder);
+ SpvId cont_id = spirv_builder_new_id(&ctx->builder);
+
+ /* create a header-block */
+ start_block(ctx, header_id);
+ spirv_builder_loop_merge(&ctx->builder, break_id, cont_id, SpvLoopControlMaskNone);
+ branch(ctx, begin_id);
+
+ SpvId save_break = ctx->loop_break;
+ SpvId save_cont = ctx->loop_cont;
+ ctx->loop_break = break_id;
+ ctx->loop_cont = cont_id;
+
+ emit_cf_list(ctx, &loop->body);
+
+ ctx->loop_break = save_break;
+ ctx->loop_cont = save_cont;
+
+ branch(ctx, cont_id);
+ start_block(ctx, cont_id);
+ branch(ctx, header_id);
+
+ start_block(ctx, break_id);
+}
+
static void
emit_cf_list(struct ntv_context *ctx, struct exec_list *list)
{
break;
case nir_cf_node_loop:
- unreachable("nir_cf_node_loop not supported");
+ emit_loop(ctx, nir_cf_node_as_loop(node));
break;
case nir_cf_node_function:
unreachable("invalid stage");
}
+ // TODO: only enable when needed
+ if (s->info.stage == MESA_SHADER_FRAGMENT)
+ spirv_builder_emit_cap(&ctx.builder, SpvCapabilitySampled1D);
+
ctx.stage = s->info.stage;
ctx.GLSL_std_450 = spirv_builder_import(&ctx.builder, "GLSL.std.450");
spirv_builder_emit_source(&ctx.builder, SpvSourceLanguageGLSL, 450);
SpvId entry_point = spirv_builder_new_id(&ctx.builder);
spirv_builder_emit_name(&ctx.builder, entry_point, "main");
+ ctx.vars = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
+ _mesa_key_pointer_equal);
+
nir_foreach_variable(var, &s->inputs)
emit_input(&ctx, var);
nir_foreach_variable(var, &s->uniforms)
emit_uniform(&ctx, var);
- spirv_builder_emit_entry_point(&ctx.builder, exec_model, entry_point,
- "main", ctx.entry_ifaces,
- ctx.num_entry_ifaces);
- if (s->info.stage == MESA_SHADER_FRAGMENT)
+ if (s->info.stage == MESA_SHADER_FRAGMENT) {
spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
SpvExecutionModeOriginUpperLeft);
+ if (s->info.outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+ spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
+ SpvExecutionModeDepthReplacing);
+ }
spirv_builder_function(&ctx.builder, entry_point, type_void,
goto fail;
ctx.num_defs = entry->ssa_alloc;
- ctx.vars = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
- if (!ctx.vars)
+ nir_index_local_regs(entry);
+ ctx.regs = malloc(sizeof(SpvId) * entry->reg_alloc);
+ if (!ctx.regs)
goto fail;
+ ctx.num_regs = entry->reg_alloc;
SpvId *block_ids = (SpvId *)malloc(sizeof(SpvId) * entry->num_blocks);
if (!block_ids)
ctx.block_ids = block_ids;
ctx.num_blocks = entry->num_blocks;
+ /* emit a block only for the variable declarations */
+ start_block(&ctx, spirv_builder_new_id(&ctx.builder));
+ foreach_list_typed(nir_register, reg, node, &entry->registers) {
+ SpvId type = get_uvec_type(&ctx, reg->bit_size, reg->num_components);
+ SpvId pointer_type = spirv_builder_type_pointer(&ctx.builder,
+ SpvStorageClassFunction,
+ type);
+ SpvId var = spirv_builder_emit_var(&ctx.builder, pointer_type,
+ SpvStorageClassFunction);
+
+ ctx.regs[reg->index] = var;
+ }
+
emit_cf_list(&ctx, &entry->body);
free(ctx.defs);
spirv_builder_return(&ctx.builder); // doesn't belong here, but whatevz
spirv_builder_function_end(&ctx.builder);
+ spirv_builder_emit_entry_point(&ctx.builder, exec_model, entry_point,
+ "main", ctx.entry_ifaces,
+ ctx.num_entry_ifaces);
+
size_t num_words = spirv_builder_get_num_words(&ctx.builder);
ret = CALLOC_STRUCT(spirv_shader);
if (ret)
spirv_shader_delete(ret);
+ if (ctx.vars)
+ _mesa_hash_table_destroy(ctx.vars, NULL);
+
return NULL;
}
projects / mesa.git / blobdiff