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Fix Spirv simulation of ImageSampleProjDrefExplicitLod/ImplicitLod

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Divide the compare (Dref) value by q
This commit is contained in:
Jake Turner
2025-11-24 14:09:07 +13:00
parent 2f057a78d4
commit 828ec85982
1 changed files with 7 additions and 0 deletions
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renderdoc/driver/vulkan/vk_shaderdebug.cpp
+7
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@@ -1262,6 +1262,13 @@ public:
uniformParams.ddy[i] = floatComp(ddyCalc, i);
}
}
if((opcode == rdcspv::Op::ImageSampleProjDrefExplicitLod) ||
(opcode == rdcspv::Op::ImageSampleProjDrefImplicitLod))
{
RDCASSERT(useCompare);
float q = floatComp(uv, coords);
uniformParams.compare /= q;
}
break;
}