GEEKING

App.BulletPhysics/BulletMultiThreaded/GpuSoftBodySolvers/OpenCL/OpenCLC10/Integrate.cl

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+MSTRINGIFY(
+
+// Node indices for each link
+
+
+
+__kernel void
+IntegrateKernel( 
+	const int numNodes,
+	const float solverdt,
+	__global float * g_vertexInverseMasses,
+	__global float4 * g_vertexPositions,
+	__global float4 * g_vertexVelocity,
+	__global float4 * g_vertexPreviousPositions,
+	__global float4 * g_vertexForceAccumulator GUID_ARG)
+{
+	int nodeID = get_global_id(0);
+	if( nodeID < numNodes )
+	{	
+		float4 position   = g_vertexPositions[nodeID];
+		float4 velocity   = g_vertexVelocity[nodeID];
+		float4 force      = g_vertexForceAccumulator[nodeID];
+		float inverseMass = g_vertexInverseMasses[nodeID];
+		
+		g_vertexPreviousPositions[nodeID] = position;
+		velocity += force * inverseMass * solverdt;
+		position += velocity * solverdt;
+		
+		g_vertexForceAccumulator[nodeID] = (float4)(0.f, 0.f, 0.f, 0.0f);
+		g_vertexPositions[nodeID]        = position;
+		g_vertexVelocity[nodeID]         = velocity;	
+	}
+}
+
+);