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Initial tessellation shader support (#2534)

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* Initial tessellation shader support

* Nits

* Re-arrange built-in table

* This is not needed anymore

* PR feedback
This commit is contained in:
gdkchan 2021-10-18 18:38:04 -03:00 • committed by GitHub
parent 7603dbe3c8
commit d512ce122c
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GPG key ID: 4AEE18F83AFDEB23
42 changed files with 775 additions and 148 deletions
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23
Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs
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@ -168,10 +168,31 @@ namespace Ryujinx.Graphics.Gpu.Shader
PrimitiveTopology.TriangleFan => InputTopology.Triangles,
PrimitiveTopology.TrianglesAdjacency or
PrimitiveTopology.TriangleStripAdjacency => InputTopology.TrianglesAdjacency,
_ => InputTopology.Points,
PrimitiveTopology.Patches => _state.TessellationMode.UnpackPatchType() == TessPatchType.Isolines
? InputTopology.Lines
: InputTopology.Triangles,
_ => InputTopology.Points
};
}
/// <summary>
/// Queries the tessellation evaluation shader primitive winding order.
/// </summary>
/// <returns>True if the primitive winding order is clockwise, false if counter-clockwise</returns>
public bool QueryTessCw() => _state.TessellationMode.UnpackCw();
/// <summary>
/// Queries the tessellation evaluation shader abstract patch type.
/// </summary>
/// <returns>Abstract patch type</returns>
public TessPatchType QueryTessPatchType() => _state.TessellationMode.UnpackPatchType();
/// <summary>
/// Queries the tessellation evaluation shader spacing between tessellated vertices of the patch.
/// </summary>
/// <returns>Spacing between tessellated vertices of the patch</returns>
public TessSpacing QueryTessSpacing() => _state.TessellationMode.UnpackSpacing();
/// <summary>
/// Gets the texture descriptor for a given texture on the pool.
/// </summary>