mirror of
https://github.com/Ragora/T2-CPP.git
synced 2026-03-26 15:49:09 +00:00
63 lines
No EOL
1.9 KiB
HLSL
63 lines
No EOL
1.9 KiB
HLSL
MSTRINGIFY(
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cbuffer OutputToVertexArrayCB : register( b0 )
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{
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int startNode;
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int numNodes;
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int positionOffset;
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int positionStride;
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int normalOffset;
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int normalStride;
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int padding1;
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int padding2;
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};
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StructuredBuffer<float4> g_vertexPositions : register( t0 );
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StructuredBuffer<float4> g_vertexNormals : register( t1 );
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RWBuffer<float> g_vertexBuffer : register( u0 );
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[numthreads(128, 1, 1)]
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void
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OutputToVertexArrayWithNormalsKernel( uint3 Gid : SV_GroupID, uint3 DTid : SV_DispatchThreadID, uint3 GTid : SV_GroupThreadID, uint GI : SV_GroupIndex )
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{
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int nodeID = DTid.x;
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if( nodeID < numNodes )
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{
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float4 position = g_vertexPositions[nodeID + startNode];
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float4 normal = g_vertexNormals[nodeID + startNode];
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// Stride should account for the float->float4 conversion
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int positionDestination = nodeID * positionStride + positionOffset;
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g_vertexBuffer[positionDestination] = position.x;
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g_vertexBuffer[positionDestination+1] = position.y;
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g_vertexBuffer[positionDestination+2] = position.z;
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int normalDestination = nodeID * normalStride + normalOffset;
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g_vertexBuffer[normalDestination] = normal.x;
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g_vertexBuffer[normalDestination+1] = normal.y;
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g_vertexBuffer[normalDestination+2] = normal.z;
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}
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}
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[numthreads(128, 1, 1)]
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void
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OutputToVertexArrayWithoutNormalsKernel( uint3 Gid : SV_GroupID, uint3 DTid : SV_DispatchThreadID, uint3 GTid : SV_GroupThreadID, uint GI : SV_GroupIndex )
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{
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int nodeID = DTid.x;
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if( nodeID < numNodes )
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{
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float4 position = g_vertexPositions[nodeID + startNode];
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float4 normal = g_vertexNormals[nodeID + startNode];
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// Stride should account for the float->float4 conversion
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int positionDestination = nodeID * positionStride + positionOffset;
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g_vertexBuffer[positionDestination] = position.x;
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g_vertexBuffer[positionDestination+1] = position.y;
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g_vertexBuffer[positionDestination+2] = position.z;
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}
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}
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); |