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Start TextureSample

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Isaac Marovitz 2023-08-15 15:00:39 +01:00 • committed by Isaac Marovitz
parent e2f691318e
commit 4ad5be6f18
2 changed files with 41 additions and 1 deletions
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2
src/Ryujinx.Graphics.Shader/CodeGen/Msl/Instructions/InstGen.cs
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@ -135,7 +135,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
case Instruction.Store:
return Store(context, operation);
case Instruction.TextureSample:
return "|| TEXTURE SAMPLE ||";
return TextureSample(context, operation);
case Instruction.TextureSize:
return "|| TEXTURE SIZE ||";
case Instruction.VectorExtract:

40
src/Ryujinx.Graphics.Shader/CodeGen/Msl/Instructions/InstGenMemory.cs
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@ -49,5 +49,45 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl.Instructions
{
return GenerateLoadOrStore(context, operation, isStore: true);
}
public static string TextureSample(CodeGenContext context, AstOperation operation)
{
AstTextureOperation texOp = (AstTextureOperation)operation;
bool isGather = (texOp.Flags & TextureFlags.Gather) != 0;
bool isShadow = (texOp.Type & SamplerType.Shadow) != 0;
bool colorIsVector = isGather || !isShadow;
string texCall = "texture.sample(";
string samplerName = GetSamplerName(context.Properties, texOp);
texCall += samplerName;
texCall += ")" + (colorIsVector ? GetMaskMultiDest(texOp.Index) : "");
return texCall;
}
private static string GetSamplerName(ShaderProperties resourceDefinitions, AstTextureOperation textOp)
{
return resourceDefinitions.Textures[textOp.Binding].Name;
}
private static string GetMaskMultiDest(int mask)
{
string swizzle = ".";
for (int i = 0; i < 4; i++)
{
if ((mask & (1 << i)) != 0)
{
swizzle += "xyzw"[i];
}
}
return swizzle;
}
}
}