diff options
Diffstat (limited to 'tests/bullet/src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/UpdatePositions.cl')
| -rw-r--r-- | tests/bullet/src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/UpdatePositions.cl | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/bullet/src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/UpdatePositions.cl b/tests/bullet/src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/UpdatePositions.cl new file mode 100644 index 00000000..3155a04e --- /dev/null +++ b/tests/bullet/src/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/UpdatePositions.cl @@ -0,0 +1,34 @@ +MSTRINGIFY(
+
+__kernel void
+updateVelocitiesFromPositionsWithoutVelocitiesKernel(
+ const int numNodes,
+ const float isolverdt,
+ __global float4 * g_vertexPositions,
+ __global float4 * g_vertexPreviousPositions,
+ __global int * g_vertexClothIndices,
+ __global float * g_clothDampingFactor,
+ __global float4 * g_vertexVelocities,
+ __global float4 * g_vertexForces GUID_ARG)
+
+{
+ int nodeID = get_global_id(0);
+ if( nodeID < numNodes )
+ {
+ float4 position = g_vertexPositions[nodeID];
+ float4 previousPosition = g_vertexPreviousPositions[nodeID];
+ float4 velocity = g_vertexVelocities[nodeID];
+ int clothIndex = g_vertexClothIndices[nodeID];
+ float dampingFactor = g_clothDampingFactor[clothIndex];
+ float velocityCoefficient = (1.f - dampingFactor);
+
+ float4 difference = position - previousPosition;
+
+ velocity = difference*velocityCoefficient*isolverdt;
+
+ g_vertexVelocities[nodeID] = velocity;
+ g_vertexForces[nodeID] = (float4)(0.f, 0.f, 0.f, 0.f);
+ }
+}
+
+);
\ No newline at end of file |