MSTRINGIFY( cbuffer OutputToVertexArrayCB : register( b0 ) { int startNode; int numNodes; int positionOffset; int positionStride; int normalOffset; int normalStride; int padding1; int padding2; }; StructuredBuffer g_vertexPositions : register( t0 ); StructuredBuffer g_vertexNormals : register( t1 ); RWBuffer g_vertexBuffer : register( u0 ); [numthreads(128, 1, 1)] void OutputToVertexArrayWithNormalsKernel( uint3 Gid : SV_GroupID, uint3 DTid : SV_DispatchThreadID, uint3 GTid : SV_GroupThreadID, uint GI : SV_GroupIndex ) { int nodeID = DTid.x; if( nodeID < numNodes ) { float4 position = g_vertexPositions[nodeID + startNode]; float4 normal = g_vertexNormals[nodeID + startNode]; // Stride should account for the float->float4 conversion int positionDestination = nodeID * positionStride + positionOffset; g_vertexBuffer[positionDestination] = position.x; g_vertexBuffer[positionDestination+1] = position.y; g_vertexBuffer[positionDestination+2] = position.z; int normalDestination = nodeID * normalStride + normalOffset; g_vertexBuffer[normalDestination] = normal.x; g_vertexBuffer[normalDestination+1] = normal.y; g_vertexBuffer[normalDestination+2] = normal.z; } } [numthreads(128, 1, 1)] void OutputToVertexArrayWithoutNormalsKernel( uint3 Gid : SV_GroupID, uint3 DTid : SV_DispatchThreadID, uint3 GTid : SV_GroupThreadID, uint GI : SV_GroupIndex ) { int nodeID = DTid.x; if( nodeID < numNodes ) { float4 position = g_vertexPositions[nodeID + startNode]; float4 normal = g_vertexNormals[nodeID + startNode]; // Stride should account for the float->float4 conversion int positionDestination = nodeID * positionStride + positionOffset; g_vertexBuffer[positionDestination] = position.x; g_vertexBuffer[positionDestination+1] = position.y; g_vertexBuffer[positionDestination+2] = position.z; } } );