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Vertex Input Attributes

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Isaac Marovitz 2023-08-04 23:51:24 -04:00 • committed by Isaac Marovitz
parent f07327166c
commit bbc2ac2e9b
6 changed files with 46 additions and 16 deletions
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29
src/Ryujinx.Graphics.Shader/CodeGen/Msl/Declarations.cs
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@ -1,6 +1,9 @@
using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Numerics;
namespace Ryujinx.Graphics.Shader.CodeGen.Msl
{
@ -12,11 +15,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
context.AppendLine("#include <simd/simd.h>");
context.AppendLine();
context.AppendLine("using namespace metal;");
context.AppendLine();
if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
{
}
DeclareInputAttributes(context, info);
}
public static void DeclareLocals(CodeGenContext context, StructuredFunction function)
@ -53,5 +59,28 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
_ => throw new ArgumentException($"Invalid variable type \"{type}\"."),
};
}
private static void DeclareInputAttributes(CodeGenContext context, StructuredProgramInfo info)
{
if (context.Config.UsedInputAttributes != 0)
{
context.AppendLine("struct VertexIn");
context.EnterScope();
int usedAttributes = context.Config.UsedInputAttributes | context.Config.PassthroughAttributes;
while (usedAttributes != 0)
{
int index = BitOperations.TrailingZeroCount(usedAttributes);
string name = $"{DefaultNames.IAttributePrefix}{index}";
var type = context.Config.GpuAccessor.QueryAttributeType(index).ToVec4Type(TargetLanguage.Msl);
context.AppendLine($"{type} {name} [[attribute({index})]];");
usedAttributes &= ~(1 << index);
}
context.LeaveScope(";");
}
}
}
}