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32 lines
1.6 KiB
Plaintext
32 lines
1.6 KiB
Plaintext
//// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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GpuSkinCacheCommon.usf: Common properties and defines for GPU Skinning Cache
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=============================================================================*/
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#ifndef GPUSKIN_USE_EXTRA_INFLUENCES
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#define GPUSKIN_USE_EXTRA_INFLUENCES 0
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#endif
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// These offsets are in uint32/floats; they attempt to match TGPUSkinVertexBase<> & derived classes:
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// TGPUSkinVertexBase<false>
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// TGPUSkinVertexBase<true>
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// TGPUSkinVertexFloat16Uvs<false, 1..N>
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// TGPUSkinVertexFloat16Uvs<true, 1..N>
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// As we know the properties of the Vertices, the layout looks like this (offset, size in u32):
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// MEMBER TGPUSkinVertexBase<false> TGPUSkinVertexFloat16Uvs<false, 1..N> TGPUSkinVertexBase<true> TGPUSkinVertexFloat16Uvs<true, 1..N> TGPUSkinVertexFloat32Uvs<true, 1..N>
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// TangentX 0,1 0,1 0,1 0,1 0,1
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// TangentZ 1,1 1,1 1,1 1,1 1,1
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// InfluenceBones 2,1 2,1 2,2 2,2 2,2
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// InfluenceWeights 3,1 3,1 4,2 4,2 4,2
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// Position 4,3 4,3 6,3 6,3 6,3
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// UVs[1..N] N/A 7,1..N N/A 9,1..N 9,(1..N)*2
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#define GPUSKIN_VB_OFFSET_TANGENT_X 0
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#define GPUSKIN_VB_OFFSET_TANGENT_Z 1
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#define GPUSKIN_VB_OFFSET_INFLUENCEBONES 2
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#define GPUSKIN_VB_OFFSET_INFLUENCEWEIGHTS (3 + GPUSKIN_USE_EXTRA_INFLUENCES)
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#define GPUSKIN_VB_OFFSET_POSITION (GPUSKIN_VB_OFFSET_INFLUENCEWEIGHTS + GPUSKIN_USE_EXTRA_INFLUENCES + 1)
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#define GPUSKIN_VB_OFFSET_UVS (GPUSKIN_VB_OFFSET_POSITION + 3)
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