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SPIR-V: Only allow implicit LOD sampling on fragment (#5026)

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riperiperi
2023-05-20 14:52:26 +01:00
committed by GitHub
parent bba51c2eeb
commit 69a9de33d3
2 changed files with 14 additions and 2 deletions
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14
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
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@ -1623,7 +1623,19 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
if (hasLodBias)
{
lodBias = Src(AggregateType.FP32);
lodBias = Src(AggregateType.FP32);
}
if (!isGather && !intCoords && !isMultisample && !hasLodLevel && !hasDerivatives && context.Config.Stage != ShaderStage.Fragment)
{
// Implicit LOD is only valid on fragment.
// Use the LOD bias as explicit LOD if available.
lod = lodBias ?? context.Constant(context.TypeFP32(), 0f);
lodBias = null;
hasLodBias = false;
hasLodLevel = true;
}
SpvInstruction compIdx = null;