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[ir, spv] Added support for sampler component types in texture handling

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CamilleLaVey 2025-11-27 16:18:15 -04:00 • committed by Caio Oliveira
parent 611b3332ce
commit 9992e5d39c
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GPG key ID: AAAE6C7FD4186B0C
8 changed files with 205 additions and 20 deletions
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43
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
View file

@ -198,6 +198,20 @@ Id Texture(EmitContext& ctx, IR::TextureInstInfo info, [[maybe_unused]] const IR
}
}
Id TextureColorResultType(EmitContext& ctx, const TextureDefinition& def) {
switch (def.component_type) {
case SamplerComponentType::Float:
case SamplerComponentType::Depth:
return ctx.F32[4];
case SamplerComponentType::Sint:
case SamplerComponentType::Stencil:
return ctx.S32[4];
case SamplerComponentType::Uint:
return ctx.U32[4];
}
throw InvalidArgument("Invalid sampler component type {}", def.component_type);
}
Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info, const IR::Value& index) {
if (!index.IsImmediate() || index.U32() != 0) {
throw NotImplementedException("Indirect image indexing");
@ -452,12 +466,15 @@ Id EmitBoundImageWrite(EmitContext&) {
Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id bias_lc, const IR::Value& offset) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const Id texture{Texture(ctx, info, index)};
if (ctx.stage == Stage::Fragment) {
const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0,
bias_lc, offset);
return Emit(&EmitContext::OpImageSparseSampleImplicitLod,
&EmitContext::OpImageSampleImplicitLod, ctx, inst, ctx.F32[4],
Texture(ctx, info, index), coords, operands.MaskOptional(), operands.Span());
&EmitContext::OpImageSampleImplicitLod, ctx, inst, color_type, texture, coords,
operands.MaskOptional(), operands.Span());
} else {
// We can't use implicit lods on non-fragment stages on SPIR-V. Maxwell hardware behaves as
// if the lod was explicitly zero. This may change on Turing with implicit compute
@ -465,17 +482,19 @@ Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value&
const Id lod{ctx.Const(0.0f)};
const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod, offset);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type, texture, coords,
operands.Mask(), operands.Span());
}
}
Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id lod, const IR::Value& offset) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const ImageOperands operands(ctx, false, true, false, lod, offset);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
}
@ -512,12 +531,15 @@ Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Va
Id EmitImageGather(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
const IR::Value& offset, const IR::Value& offset2) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const ImageOperands operands(ctx, offset, offset2);
const Id texture{Texture(ctx, info, index)};
if (ctx.profile.need_gather_subpixel_offset) {
coords = ImageGatherSubpixelOffset(ctx, info, TextureImage(ctx, info, index), coords);
}
return Emit(&EmitContext::OpImageSparseGather, &EmitContext::OpImageGather, ctx, inst,
ctx.F32[4], Texture(ctx, info, index), coords, ctx.Const(info.gather_component),
color_type, texture, coords, ctx.Const(info.gather_component),
operands.MaskOptional(), operands.Span());
}
@ -536,6 +558,9 @@ Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
Id lod, Id ms) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const TextureDefinition* def =
info.type == TextureType::Buffer ? nullptr : &ctx.textures.at(info.descriptor_index);
const Id result_type{def ? TextureColorResultType(ctx, *def) : ctx.F32[4]};
AddOffsetToCoordinates(ctx, info, coords, offset);
if (info.type == TextureType::Buffer) {
lod = Id{};
@ -546,7 +571,7 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
}
const ImageOperands operands(lod, ms);
return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst,
ctx.F32[4], TextureImage(ctx, info, index), coords, operands.MaskOptional(),
result_type, TextureImage(ctx, info, index), coords, operands.MaskOptional(),
operands.Span());
}
@ -592,13 +617,15 @@ Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, I
Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id derivatives, const IR::Value& offset, Id lod_clamp) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
const Id color_type{TextureColorResultType(ctx, def)};
const auto operands = info.num_derivatives == 3
? ImageOperands(ctx, info.has_lod_clamp != 0, derivatives,
ctx.Def(offset), {}, lod_clamp)
: ImageOperands(ctx, info.has_lod_clamp != 0, derivatives,
info.num_derivatives, offset, lod_clamp);
return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
&EmitContext::OpImageSampleExplicitLod, ctx, inst, color_type,
Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
}

36
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -28,27 +28,40 @@ enum class Operation {
FPMax,
};
Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
Id ComponentScalarType(EmitContext& ctx, SamplerComponentType component_type) {
switch (component_type) {
case SamplerComponentType::Float:
case SamplerComponentType::Depth:
return ctx.F32[1];
case SamplerComponentType::Sint:
case SamplerComponentType::Stencil:
return ctx.S32[1];
case SamplerComponentType::Uint:
return ctx.U32[1];
}
throw InvalidArgument("Invalid sampler component type {}", component_type);
}
Id ImageType(EmitContext& ctx, const TextureDescriptor& desc, Id sampled_type) {
const spv::ImageFormat format{spv::ImageFormat::Unknown};
const Id type{ctx.F32[1]};
const bool depth{desc.is_depth};
const bool ms{desc.is_multisample};
switch (desc.type) {
case TextureType::Color1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Dim1D, depth, false, false, 1, format);
case TextureType::ColorArray1D:
return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Dim1D, depth, true, false, 1, format);
case TextureType::Color2D:
case TextureType::Color2DRect:
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, ms, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Dim2D, depth, false, ms, 1, format);
case TextureType::ColorArray2D:
return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, ms, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Dim2D, depth, true, ms, 1, format);
case TextureType::Color3D:
return ctx.TypeImage(type, spv::Dim::Dim3D, depth, false, false, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Dim3D, depth, false, false, 1, format);
case TextureType::ColorCube:
return ctx.TypeImage(type, spv::Dim::Cube, depth, false, false, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Cube, depth, false, false, 1, format);
case TextureType::ColorArrayCube:
return ctx.TypeImage(type, spv::Dim::Cube, depth, true, false, 1, format);
return ctx.TypeImage(sampled_type, spv::Dim::Cube, depth, true, false, 1, format);
case TextureType::Buffer:
break;
}
@ -1363,7 +1376,8 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_index) {
textures.reserve(info.texture_descriptors.size());
for (const TextureDescriptor& desc : info.texture_descriptors) {
const Id image_type{ImageType(*this, desc)};
const Id result_type{ComponentScalarType(*this, desc.component_type)};
const Id image_type{ImageType(*this, desc, result_type)};
const Id sampled_type{TypeSampledImage(image_type)};
const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, sampled_type)};
const Id desc_type{DescType(*this, sampled_type, pointer_type, desc.count)};
@ -1376,8 +1390,10 @@ void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_in
.sampled_type = sampled_type,
.pointer_type = pointer_type,
.image_type = image_type,
.result_type = result_type,
.count = desc.count,
.is_multisample = desc.is_multisample,
.component_type = desc.component_type,
});
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(id);

2
src/shader_recompiler/backend/spirv/spirv_emit_context.h
View file

@ -39,8 +39,10 @@ struct TextureDefinition {
Id sampled_type;
Id pointer_type;
Id image_type;
Id result_type;
u32 count;
bool is_multisample;
SamplerComponentType component_type;
};
struct TextureBufferDefinition {