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Metal: Unsupported topology indexed draw conversion (#40)

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* Convert unsupported indexed buffer topologies

* Fix index count and dispatch size

* Cleanup

* Fix typos
This commit is contained in:
Isaac Marovitz 2024-09-02 12:55:30 +01:00
parent 6a46943af9
commit 302ee73f34
9 changed files with 256 additions and 106 deletions
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23
src/Ryujinx.Graphics.Metal/IndexBufferPattern.cs
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@ -1,6 +1,5 @@
using Ryujinx.Graphics.GAL;
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
@ -49,28 +48,6 @@ namespace Ryujinx.Graphics.Metal
return primitiveCount * OffsetIndex.Length;
}
public IEnumerable<int> GetIndexMapping(int indexCount)
{
int primitiveCount = GetPrimitiveCount(indexCount);
int index = BaseIndex;
for (int i = 0; i < primitiveCount; i++)
{
if (RepeatStart)
{
// Used for triangle fan
yield return 0;
}
for (int j = RepeatStart ? 1 : 0; j < OffsetIndex.Length; j++)
{
yield return index + OffsetIndex[j];
}
index += IndexStride;
}
}
public BufferHandle GetRepeatingBuffer(int vertexCount, out int indexCount)
{
int primitiveCount = GetPrimitiveCount(vertexCount);