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[dxvk] Check whether fragment shader exports sample mask

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This commit is contained in:
Philip Rebohle 2023-08-01 16:26:56 +02:00
parent 9b019d26ac
commit 007e9f4c89
2 changed files with 11 additions and 0 deletions
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10
src/dxvk/dxvk_shader.cpp
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@ -77,6 +77,7 @@ namespace dxvk {
// info that we may need during pipeline compilation.
std::vector<BindingOffsets> bindingOffsets;
std::vector<uint32_t> varIds;
std::vector<uint32_t> sampleMaskIds;
SpirvCodeBuffer code = std::move(spirv);
uint32_t o1VarId = 0;
@ -92,6 +93,8 @@ namespace dxvk {
}
if (ins.arg(2) == spv::DecorationBuiltIn) {
if (ins.arg(3) == spv::BuiltInSampleMask)
sampleMaskIds.push_back(ins.arg(1));
if (ins.arg(3) == spv::BuiltInPosition)
m_flags.set(DxvkShaderFlag::ExportsPosition);
}
@ -146,6 +149,13 @@ namespace dxvk {
m_flags.set(DxvkShaderFlag::UsesFragmentCoverage);
}
if (ins.opCode() == spv::OpVariable) {
if (ins.arg(3) == spv::StorageClassOutput) {
if (std::find(sampleMaskIds.begin(), sampleMaskIds.end(), ins.arg(2)) != sampleMaskIds.end())
m_flags.set(DxvkShaderFlag::ExportsSampleMask);
}
}
// Ignore the actual shader code, there's nothing interesting for us in there.
if (ins.opCode() == spv::OpFunction)
break;

1
src/dxvk/dxvk_shader.h
View File

@ -30,6 +30,7 @@ namespace dxvk {
ExportsPosition,
ExportsStencilRef,
ExportsViewportIndexLayerFromVertexStage,
ExportsSampleMask,
UsesFragmentCoverage,
UsesSparseResidency,
};