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Convert Quads to Triangles in Vulkan (#3715)

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* Add Index Buffer conversion for quads to Vulkan

Also adds a reusable repeating pattern index buffer to use for non-indexed
draws, and generalizes the conversion cache for buffers.

* Fix some issues

* End render pass before conversion

* Resume transform feedback after we ensure we're in a pass.

* Always generate UInt32 type indices for topology conversion

* No it's not.

* Remove unused code

* Rely on TopologyRemap to convert quads to tris.

* Remove double newline

* Ensure render pass ends before stride or I8 conversion
This commit is contained in:
riperiperi 2022-09-20 22:38:48 +01:00 • committed by GitHub
parent da75a9a6ea
commit 4c0eb91d7e
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11 changed files with 503 additions and 65 deletions
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5
Ryujinx.Graphics.Vulkan/EnumConversion.cs
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@ -2,6 +2,7 @@
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Shader;
using Silk.NET.Vulkan;
using System;
namespace Ryujinx.Graphics.Vulkan
{
@ -179,8 +180,8 @@ namespace Ryujinx.Graphics.Vulkan
GAL.PrimitiveTopology.TrianglesAdjacency => Silk.NET.Vulkan.PrimitiveTopology.TriangleListWithAdjacency,
GAL.PrimitiveTopology.TriangleStripAdjacency => Silk.NET.Vulkan.PrimitiveTopology.TriangleStripWithAdjacency,
GAL.PrimitiveTopology.Patches => Silk.NET.Vulkan.PrimitiveTopology.PatchList,
GAL.PrimitiveTopology.Quads => Silk.NET.Vulkan.PrimitiveTopology.TriangleFan, // Emulated with triangle fans
GAL.PrimitiveTopology.QuadStrip => Silk.NET.Vulkan.PrimitiveTopology.TriangleStrip, // Emulated with triangle strips
GAL.PrimitiveTopology.Quads => throw new NotSupportedException("Quad topology is not available in Vulkan."),
GAL.PrimitiveTopology.QuadStrip => throw new NotSupportedException("QuadStrip topology is not available in Vulkan."),
_ => LogInvalidAndReturn(topology, nameof(GAL.PrimitiveTopology), Silk.NET.Vulkan.PrimitiveTopology.TriangleList)
};
}