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Merge pull request #5936 from Kelebek1/Offsets

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Offsets for TexelFetch and TextureGather in Vulkan
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bunnei 2021-02-21 21:23:45 -07:00 • committed by GitHub
commit 20245e660f
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3 changed files with 34 additions and 9 deletions
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31
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -1845,13 +1845,21 @@ private:
Expression TextureGather(Operation operation) {
const auto& meta = std::get<MetaTexture>(operation.GetMeta());
UNIMPLEMENTED_IF(!meta.aoffi.empty());
const Id coords = GetCoordinates(operation, Type::Float);
spv::ImageOperandsMask mask = spv::ImageOperandsMask::MaskNone;
std::vector<Id> operands;
Id texture{};
if (!meta.aoffi.empty()) {
mask = mask | spv::ImageOperandsMask::Offset;
operands.push_back(GetOffsetCoordinates(operation));
}
if (meta.sampler.is_shadow) {
texture = OpImageDrefGather(t_float4, GetTextureSampler(operation), coords,
AsFloat(Visit(meta.depth_compare)));
AsFloat(Visit(meta.depth_compare)), mask, operands);
} else {
u32 component_value = 0;
if (meta.component) {
@ -1860,7 +1868,7 @@ private:
component_value = component->GetValue();
}
texture = OpImageGather(t_float4, GetTextureSampler(operation), coords,
Constant(t_uint, component_value));
Constant(t_uint, component_value), mask, operands);
}
return GetTextureElement(operation, texture, Type::Float);
}
@ -1928,13 +1936,22 @@ private:
const Id image = GetTextureImage(operation);
const Id coords = GetCoordinates(operation, Type::Int);
spv::ImageOperandsMask mask = spv::ImageOperandsMask::MaskNone;
std::vector<Id> operands;
Id fetch;
if (meta.lod && !meta.sampler.is_buffer) {
fetch = OpImageFetch(t_float4, image, coords, spv::ImageOperandsMask::Lod,
AsInt(Visit(meta.lod)));
} else {
fetch = OpImageFetch(t_float4, image, coords);
mask = mask | spv::ImageOperandsMask::Lod;
operands.push_back(AsInt(Visit(meta.lod)));
}
if (!meta.aoffi.empty()) {
mask = mask | spv::ImageOperandsMask::Offset;
operands.push_back(GetOffsetCoordinates(operation));
}
fetch = OpImageFetch(t_float4, image, coords, mask, operands);
return GetTextureElement(operation, fetch, Type::Float);
}