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fix(shader): preserve packed UINT16 MRT exports

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This commit is contained in:
nmzik
2026-07-31 08:20:30 +02:00
parent 6bca35d1f5
commit 212282d693
3 changed files with 130 additions and 36 deletions
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src/graphics/shader/recompiler/emitter/spirvEmitterExport.cpp
+66 -10
View File
@@ -24,7 +24,7 @@ uint32_t EmitExportVec4F32(EmitterState& state, const IR::Instruction& inst) {
const auto raw = EmitValueLoad(state, inst.src[pair_index]);
const auto unpacked = state.builder.AllocateId();
state.builder.AddFunction({OpExtInst, state.vec2_float_type, unpacked,
state.glsl_std450, GlslUnpackHalf2x16, raw});
state.glsl_std450, GlslUnpackHalf2x16, raw});
for (uint32_t lane = 0; lane < 2u; lane++) {
const auto component = pair_index * 2u + lane;
if (((inst.export_info.en >> component) & 1u) == 0) {
@@ -36,8 +36,8 @@ uint32_t EmitExportVec4F32(EmitterState& state, const IR::Instruction& inst) {
}
}
const auto vec = state.builder.AllocateId();
state.builder.AddFunction({OpCompositeConstruct, state.vec4_float_type, vec,
components[0], components[1], components[2], components[3]});
state.builder.AddFunction({OpCompositeConstruct, state.vec4_float_type, vec, components[0],
components[1], components[2], components[3]});
return vec;
}
@@ -50,7 +50,59 @@ uint32_t EmitExportVec4F32(EmitterState& state, const IR::Instruction& inst) {
return vec;
}
uint32_t ApplyMrtExportMapping(EmitterState& state, const IR::Instruction& inst, uint32_t value) {
uint32_t EmitExportComponentU32(EmitterState& state, const IR::Instruction& inst,
uint32_t component) {
const bool enabled = ((inst.export_info.en >> component) & 1u) != 0;
if (!enabled || component >= inst.src_count || component >= 4u) {
return ConstantU32(state, component == 3u ? 1u : 0u);
}
return EmitValueLoad(state, inst.src[component]);
}
uint32_t EmitExportVec4U32(EmitterState& state, const IR::Instruction& inst) {
uint32_t components[4] = {
ConstantU32(state, 0u),
ConstantU32(state, 0u),
ConstantU32(state, 0u),
ConstantU32(state, 1u),
};
if (inst.export_info.compr) {
for (uint32_t pair_index = 0; pair_index < 2u && pair_index < inst.src_count;
pair_index++) {
const auto raw = EmitValueLoad(state, inst.src[pair_index]);
for (uint32_t lane = 0; lane < 2u; lane++) {
const auto component = pair_index * 2u + lane;
if (((inst.export_info.en >> component) & 1u) == 0) {
continue;
}
components[component] = state.builder.AllocateId();
state.builder.AddFunction(
{OpBitFieldUExtract, state.uint_type, components[component], raw,
ConstantU32(state, lane * 16u), ConstantU32(state, 16u)});
}
}
} else {
for (uint32_t component = 0; component < 4u; component++) {
components[component] = EmitExportComponentU32(state, inst, component);
}
}
const auto vec = state.builder.AllocateId();
state.builder.AddFunction({OpCompositeConstruct, state.vec4_uint_type, vec, components[0],
components[1], components[2], components[3]});
return vec;
}
static bool MrtUsesUintOutput(const EmitterState& state, const IR::Instruction& inst) {
return inst.export_info.kind == IR::ExportTargetKind::Mrt &&
state.pixel_input_info != nullptr &&
inst.export_info.index < std::size(state.pixel_input_info->target_output_mode) &&
state.pixel_input_info->target_output_mode[inst.export_info.index] == 7u;
}
uint32_t ApplyMrtExportMapping(EmitterState& state, const IR::Instruction& inst, uint32_t value,
uint32_t vector_type) {
if (inst.export_info.kind != IR::ExportTargetKind::Mrt || state.pixel_input_info == nullptr ||
inst.export_info.index >= state.pixel_input_info->target_export_mapping.size()) {
return value;
@@ -62,8 +114,8 @@ uint32_t ApplyMrtExportMapping(EmitterState& state, const IR::Instruction& inst,
}
const auto mapped = state.builder.AllocateId();
state.builder.AddFunction({OpVectorShuffle, state.vec4_float_type, mapped, value, value,
mapping.Map(0), mapping.Map(1), mapping.Map(2), mapping.Map(3)});
state.builder.AddFunction({OpVectorShuffle, vector_type, mapped, value, value, mapping.Map(0),
mapping.Map(1), mapping.Map(2), mapping.Map(3)});
return mapped;
}
@@ -89,7 +141,7 @@ void EmitMrtZExport(EmitterState& state, const IR::Instruction& inst) {
const auto ptr = state.builder.AllocateId();
state.builder.AddFunction({OpBitcast, state.int_type, mask, raw});
state.builder.AddFunction({OpAccessChain, state.ptr_output_int, ptr,
state.sample_mask_variable, ConstantU32(state, 0)});
state.sample_mask_variable, ConstantU32(state, 0)});
state.builder.AddFunction({OpStore, ptr, mask});
}
}
@@ -114,11 +166,15 @@ void EmitExport(EmitterState& state, const IR::Instruction& inst) {
return;
}
const auto value = ApplyMrtExportMapping(state, inst, EmitExportVec4F32(state, inst));
const auto uint_output = MrtUsesUintOutput(state, inst);
const auto vector_type = uint_output ? state.vec4_uint_type : state.vec4_float_type;
const auto value = ApplyMrtExportMapping(
state, inst, uint_output ? EmitExportVec4U32(state, inst) : EmitExportVec4F32(state, inst),
vector_type);
if (inst.export_info.kind == IR::ExportTargetKind::Position) {
const auto pointer = state.builder.AllocateId();
state.builder.AddFunction({OpAccessChain, state.ptr_output_vec4_float, pointer, variable,
ConstantU32(state, 0)});
state.builder.AddFunction(
{OpAccessChain, state.ptr_output_vec4_float, pointer, variable, ConstantU32(state, 0)});
state.builder.AddFunction({OpStore, pointer, value});
return;
}
src/graphics/shader/recompiler/emitter/spirvEmitterModule.cpp
+48 -26
View File
@@ -174,6 +174,12 @@ uint32_t VertexParameterInputPointerType(const EmitterState& state, VertexInputS
}
}
static bool MrtUsesUintOutput(const EmitterState& state, uint32_t index) {
return state.stage == ShaderType::Pixel && state.pixel_input_info != nullptr &&
index < std::size(state.pixel_input_info->target_output_mode) &&
state.pixel_input_info->target_output_mode[index] == 7u;
}
void AllocateInputVariables(EmitterState& state) {
for (auto& binding: state.inputs) {
binding.variable_id = state.builder.AllocateId();
@@ -323,19 +329,31 @@ void AddDescriptorAnnotationsAndNames(EmitterState& state) {
Decorate(state.address_memory_variable, "address_memory",
IR::DescriptorBindingKind::AddressMemory);
}
constexpr const char* SampledNames[] = {
"sampled_1d", "sampled_1d_array", "sampled_2d", "sampled_2d_array",
"sampled_3d", "sampled_uint_1d", "sampled_uint_1d_array",
"sampled_uint_2d", "sampled_uint_2d_array", "sampled_uint_3d"};
constexpr const char* SampledNames[] = {"sampled_1d",
"sampled_1d_array",
"sampled_2d",
"sampled_2d_array",
"sampled_3d",
"sampled_uint_1d",
"sampled_uint_1d_array",
"sampled_uint_2d",
"sampled_uint_2d_array",
"sampled_uint_3d"};
for (uint32_t i = 0; i < state.sampled_images.size(); i++) {
const auto view = static_cast<ImageViewKind>(i % ImageViewKindCount);
Decorate(state.sampled_images[i].variable, SampledNames[i],
SampledBindingKind(i >= ImageViewKindCount, view));
}
constexpr const char* StorageNames[] = {
"storage_1d", "storage_1d_array", "storage_2d", "storage_2d_array",
"storage_3d", "storage_uint_1d", "storage_uint_1d_array",
"storage_uint_2d", "storage_uint_2d_array", "storage_uint_3d"};
constexpr const char* StorageNames[] = {"storage_1d",
"storage_1d_array",
"storage_2d",
"storage_2d_array",
"storage_3d",
"storage_uint_1d",
"storage_uint_1d_array",
"storage_uint_2d",
"storage_uint_2d_array",
"storage_uint_3d"};
for (uint32_t i = 0; i < state.storage_images.size(); i++) {
const auto view = static_cast<ImageViewKind>(i % ImageViewKindCount);
Decorate(state.storage_images[i].variable, StorageNames[i],
@@ -409,6 +427,7 @@ void EmitHeaderAndTypes(EmitterState& state) {
state.ptr_output_sample_mask_array = state.builder.AllocateId();
state.ptr_output_float = state.builder.AllocateId();
state.ptr_output_vec4_float = state.builder.AllocateId();
const auto ptr_output_vec4_uint = state.builder.AllocateId();
state.per_vertex_type = state.builder.AllocateId();
state.ptr_output_per_vertex = state.builder.AllocateId();
state.storage_runtime_array_type = state.builder.AllocateId();
@@ -444,15 +463,15 @@ void EmitHeaderAndTypes(EmitterState& state) {
image.array_type = state.builder.AllocateId();
image.array_pointer_type = state.builder.AllocateId();
}
state.sampler_type = state.builder.AllocateId();
state.sampler_array_type = state.builder.AllocateId();
state.ptr_uniform_sampler = state.builder.AllocateId();
state.ptr_uniform_sampler_array = state.builder.AllocateId();
state.ptr_image_uint = state.builder.AllocateId();
state.func_type = state.builder.AllocateId();
state.main_func = state.builder.AllocateId();
state.entry_label = state.builder.AllocateId();
state.glsl_std450 = state.builder.AllocateId();
state.sampler_type = state.builder.AllocateId();
state.sampler_array_type = state.builder.AllocateId();
state.ptr_uniform_sampler = state.builder.AllocateId();
state.ptr_uniform_sampler_array = state.builder.AllocateId();
state.ptr_image_uint = state.builder.AllocateId();
state.func_type = state.builder.AllocateId();
state.main_func = state.builder.AllocateId();
state.entry_label = state.builder.AllocateId();
state.glsl_std450 = state.builder.AllocateId();
state.builder.AddCapability({CapabilityShader});
state.builder.AddCapability({CapabilitySampled1D});
@@ -461,8 +480,7 @@ void EmitHeaderAndTypes(EmitterState& state) {
if (state.needs_image_gather_extended) {
state.builder.AddCapability({CapabilityImageGatherExtended});
}
if (std::any_of(state.storage_images.begin(),
state.storage_images.begin() + ImageViewKindCount,
if (std::any_of(state.storage_images.begin(), state.storage_images.begin() + ImageViewKindCount,
[](const auto& image) { return image.variable != 0; })) {
state.builder.AddCapability({CapabilityStorageImageReadWithoutFormat});
state.builder.AddCapability({CapabilityStorageImageWriteWithoutFormat});
@@ -605,6 +623,8 @@ void EmitHeaderAndTypes(EmitterState& state) {
{OpTypePointer, state.ptr_output_int, StorageClassOutput, state.int_type});
state.builder.AddType(
{OpTypePointer, state.ptr_output_vec4_float, StorageClassOutput, state.vec4_float_type});
state.builder.AddType(
{OpTypePointer, ptr_output_vec4_uint, StorageClassOutput, state.vec4_uint_type});
if (state.per_vertex_variable != 0) {
state.builder.AddType({OpTypeStruct, state.per_vertex_type, state.vec4_float_type});
state.builder.AddType({OpTypePointer, state.ptr_output_per_vertex, StorageClassOutput,
@@ -615,8 +635,12 @@ void EmitHeaderAndTypes(EmitterState& state) {
for (const auto& binding: state.outputs) {
if (binding.kind == IR::StageOutputKind::Parameter ||
binding.kind == IR::StageOutputKind::Mrt) {
const auto pointer_type =
binding.kind == IR::StageOutputKind::Mrt && MrtUsesUintOutput(state, binding.index)
? ptr_output_vec4_uint
: state.ptr_output_vec4_float;
state.builder.AddType(
{OpVariable, state.ptr_output_vec4_float, binding.variable_id, StorageClassOutput});
{OpVariable, pointer_type, binding.variable_id, StorageClassOutput});
}
}
if (state.depth_variable != 0) {
@@ -703,9 +727,8 @@ void EmitHeaderAndTypes(EmitterState& state) {
const auto view = static_cast<ImageViewKind>(i % ImageViewKindCount);
const bool integer = i >= ImageViewKindCount;
const auto component = integer ? state.uint_type : state.float_type;
state.builder.AddType({OpTypeImage, image.image_type, component,
ImageSpirvDimension(view), 0, ImageSpirvArrayed(view), 0, 1,
ImageFormatUnknown});
state.builder.AddType({OpTypeImage, image.image_type, component, ImageSpirvDimension(view),
0, ImageSpirvArrayed(view), 0, 1, ImageFormatUnknown});
state.builder.AddType({OpTypeSampledImage, image.sampled_image_type, image.image_type});
state.builder.AddType(
{OpTypePointer, image.pointer_type, StorageClassUniformConstant, image.image_type});
@@ -737,9 +760,8 @@ void EmitHeaderAndTypes(EmitterState& state) {
const bool integer = i >= ImageViewKindCount;
const auto component = integer ? state.uint_type : state.float_type;
const auto format = integer ? ImageFormatR32ui : ImageFormatUnknown;
state.builder.AddType({OpTypeImage, image.image_type, component,
ImageSpirvDimension(view), 0, ImageSpirvArrayed(view), 0, 2,
format});
state.builder.AddType({OpTypeImage, image.image_type, component, ImageSpirvDimension(view),
0, ImageSpirvArrayed(view), 0, 2, format});
state.builder.AddType(
{OpTypePointer, image.pointer_type, StorageClassUniformConstant, image.image_type});
if (image.variable != 0) {