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MSTRINGIFY(
__kernel void
OutputToVertexArrayWithNormalsKernel(
const int startNode, const int numNodes, __global float *g_vertexBuffer,
const int positionOffset, const int positionStride, const __global float4* g_vertexPositions,
const int normalOffset, const int normalStride, const __global float4* g_vertexNormals )
{
int nodeID = get_global_id(0);
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;
}
}
__kernel void
OutputToVertexArrayWithoutNormalsKernel(
const int startNode, const int numNodes, __global float *g_vertexBuffer,
const int positionOffset, const int positionStride, const __global float4* g_vertexPositions )
{
int nodeID = get_global_id(0);
if( nodeID < numNodes )
{
float4 position = g_vertexPositions[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;
}
}
);
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