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graphics: support compute stores to 2D MSAA images

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nmzik committed 2026-10-22 22:11:06 +02:00
1 parent aafe014d0c
commit 79837b423d
11 files changed
+156 -27
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterAnalysis.cpp
+11 -3
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@@ -121,6 +121,9 @@ uint32_t ImageType(EmitterState& state, const IR::ImageResource& image) {
EXIT("invalid image resource class");
}
const auto& info = ImageDimensionInfoFor(image.dimension);
if (sampled == 2 && info.multisampled != 0u) {
state.builder.RequireCapability(spv::CapabilityStorageImageMultisample);
}
const auto scalar_type =
image.atomic64 ? TypeU64(state) : ImageScalarType(state, image.numeric_class);
return state.builder.Type(spv::OpTypeImage, scalar_type,
@@ -213,15 +216,20 @@ uint32_t ImageDescriptorPointer(EmitterState& state, uint32_t resource, uint32_t
}
void EmitStorageImageWrite(EmitterState& state, uint32_t resource, uint32_t mip_lod, uint32_t coord,
uint32_t texel, uint32_t array_index) {
uint32_t texel, uint32_t array_index, uint32_t sample) {
const auto& image = state.program.info.images.at(resource);
EXIT_IF(image.resource_class != IR::ImageResourceClass::Storage);
if (!image.atomic) {
state.builder.RequireCapability(spv::CapabilityStorageImageWriteWithoutFormat);
}
const auto EmitWrite = [&](uint32_t mip) {
state.builder.AddFunction(spv::OpImageWrite, LoadImageDescriptor(state, resource, mip, array_index),
coord, texel);
const auto descriptor = LoadImageDescriptor(state, resource, mip, array_index);
if (sample == 0u) {
state.builder.AddFunction(spv::OpImageWrite, descriptor, coord, texel);
} else {
state.builder.AddFunction(spv::OpImageWrite, descriptor, coord, texel,
spv::ImageOperandsSampleMask, sample);
}
};
if (image.mip_mode != IR::ImageMipMode::Dynamic) {
EmitWrite(0);
src/graphics/shader/recompiler/backend/spirv/spirvEmitterImage.cpp
+4 -1
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@@ -941,9 +941,12 @@ void EmitImage(ValueEmitContext& ctx, const IR::Inst& inst) {
const auto mip_lod = candidate.mip_mode == IR::ImageMipMode::Dynamic
? LodU32(ctx, mem, *address, mem.image_dimension) : 0u;
const auto coord = CoordU32(ctx, mem, *address, candidate.dimension);
const auto& dimension_info = ImageDimensionInfoFor(candidate.dimension);
const auto sample = dimension_info.multisampled != 0u
? AddressU32(ctx, mem, *address, dimension_info.coordinate_components) : 0u;
const auto texel = StoreTexel(ctx, selected, ctx.Arg(inst, 2),
candidate.numeric_class == Prospero::TextureNumericClass::Uint);
EmitStorageImageWrite(state, resource, mip_lod, coord, texel, array_index);
EmitStorageImageWrite(state, resource, mip_lod, coord, texel, array_index, sample);
});
});
return;
src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h
+2 -1
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@@ -339,8 +339,9 @@ uint32_t MakeSampledImage(EmitterState& state, uint32_t resource, uint32_t sampl
uint32_t mip = 0, uint32_t array_index = 0,
bool sampler_dynamic = false);
// sample is 0 (no id) for single-sampled images.
void EmitStorageImageWrite(EmitterState& state, uint32_t resource, uint32_t mip_lod, uint32_t coord,
uint32_t texel, uint32_t array_index);
uint32_t texel, uint32_t array_index, uint32_t sample);
spv::ExecutionModel ExecutionModelForStage(ShaderType stage);