Luis Gonzalez
58 lines
2.2 KiB
HLSL
58 lines
2.2 KiB
HLSL
#ifndef COPY_INITIAL_MESH_DATA_HLSL_
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#define COPY_INITIAL_MESH_DATA_HLSL_
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/////////////////////////////////////////////////////////////////////////////////
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ByteAddressBuffer meshVertexData;
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ByteAddressBuffer meshBonesPerVertexData;
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RWByteAddressBuffer outInitialDeformedMeshData;
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int inputVertexSizeInBytes;
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int outDataVertexOffset;
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uint totalMeshVertices;
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int outBonesWeightsDataOffset;
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int inputBonesWeightsDataOffset;
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/////////////////////////////////////////////////////////////////////////////////
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SourceSkinnedMeshVertex ReadSourceVertex(int vertexIndex)
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{
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int vertexByteOffset = vertexIndex * inputVertexSizeInBytes;
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SourceSkinnedMeshVertex rv = (SourceSkinnedMeshVertex)0;
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#ifndef RUKHANKA_INPLACE_SKINNING
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CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_DEFORMATION_COPY_MESH_DATA, vertexByteOffset, 40, meshVertexData);
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float4 v0 = asfloat(meshVertexData.Load4(vertexByteOffset + 0));
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float4 v1 = asfloat(meshVertexData.Load4(vertexByteOffset + 16));
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float1 v2 = asfloat(meshVertexData.Load(vertexByteOffset + 32));
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rv.position = v0.xyz;
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rv.normal = float3(v0.w, v1.xy);
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rv.tangent = float3(v1.zw, v2.x);
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#endif
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int baseBoneWeightIndex = inputBonesWeightsDataOffset + vertexIndex;
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CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_DEFORMATION_COPY_MESH_DATA, baseBoneWeightIndex * 4, 4, meshBonesPerVertexData);
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uint boneWeightsOffsetAndCountPacked = meshBonesPerVertexData.Load(baseBoneWeightIndex * 4);
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rv.boneWeightsOffset = SourceSkinnedMeshVertex::GetBoneWeightsOffsetFromPackedUINT(boneWeightsOffsetAndCountPacked) + outBonesWeightsDataOffset;
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rv.boneWeightsCount = SourceSkinnedMeshVertex::GetBoneWeightsCountFromPackedUINT(boneWeightsOffsetAndCountPacked);
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return rv;
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}
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/////////////////////////////////////////////////////////////////////////////////
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[numthreads(128, 1, 1)]
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void CopyInitialMeshData(uint tid: SV_DispatchThreadID)
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{
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if (tid >= totalMeshVertices)
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return;
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SourceSkinnedMeshVertex v = ReadSourceVertex(tid);
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int outVertexOffset = tid + outDataVertexOffset;
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v.WriteIntoRawBuffer(outInitialDeformedMeshData, outVertexOffset);
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}
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#endif // COPY_INITIAL_MESH_DATA_HLSL_
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