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Code Issues Releases Activity

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
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 2 deletions
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2
src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
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@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
private const ushort FileFormatVersionMajor = 1; private const ushort FileFormatVersionMajor = 1;
private const ushort FileFormatVersionMinor = 2; private const ushort FileFormatVersionMinor = 2;
private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor; private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
private const uint CodeGenVersion = 4578; private const uint CodeGenVersion = 5027;
private const string SharedTocFileName = "shared.toc"; private const string SharedTocFileName = "shared.toc";
private const string SharedDataFileName = "shared.data"; private const string SharedDataFileName = "shared.data";

12
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
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@ -1626,6 +1626,18 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
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; SpvInstruction compIdx = null;
// textureGather* optional extra component index, // textureGather* optional extra component index,