//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project
static const char* bvhTraversalKernelCL= \
"//keep this enum in sync with the CPU version (in btCollidable.h)\n"
"//written by Erwin Coumans\n"
"\n"
"#define SHAPE_CONVEX_HULL 3\n"
"#define SHAPE_CONCAVE_TRIMESH 5\n"
"#define TRIANGLE_NUM_CONVEX_FACES 5\n"
"#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n"
"\n"
"typedef unsigned int u32;\n"
"\n"
"///keep this in sync with btCollidable.h\n"
"typedef struct\n"
"{\n"
"	int m_numChildShapes;\n"
"	int blaat2;\n"
"	int m_shapeType;\n"
"	int m_shapeIndex;\n"
"	\n"
"} btCollidableGpu;\n"
"\n"
"typedef struct\n"
"{\n"
"	float4	m_childPosition;\n"
"	float4	m_childOrientation;\n"
"	int m_shapeIndex;\n"
"	int m_unused0;\n"
"	int m_unused1;\n"
"	int m_unused2;\n"
"} btGpuChildShape;\n"
"\n"
"\n"
"typedef struct\n"
"{\n"
"	float4 m_pos;\n"
"	float4 m_quat;\n"
"	float4 m_linVel;\n"
"	float4 m_angVel;\n"
"\n"
"	u32 m_collidableIdx;\n"
"	float m_invMass;\n"
"	float m_restituitionCoeff;\n"
"	float m_frictionCoeff;\n"
"} BodyData;\n"
"\n"
"typedef struct \n"
"{\n"
"	union\n"
"	{\n"
"		float4	m_min;\n"
"		float   m_minElems[4];\n"
"		int			m_minIndices[4];\n"
"	};\n"
"	union\n"
"	{\n"
"		float4	m_max;\n"
"		float   m_maxElems[4];\n"
"		int			m_maxIndices[4];\n"
"	};\n"
"} btAabbCL;\n"
"\n"
"// work-in-progress\n"
"__kernel void   bvhTraversalKernel( __global const int2* pairs, \n"
"																					__global const BodyData* rigidBodies, \n"
"																					__global const btCollidableGpu* collidables,\n"
"																					__global btAabbCL* aabbs,\n"
"																					__global int4* concavePairsOut,\n"
"																					__global volatile int* numConcavePairsOut,\n"
"																					int numPairs,\n"
"																					int maxNumConcavePairsCapacity\n"
"																					)\n"
"{\n"
"\n"
"	int i = get_global_id(0);\n"
"	\n"
"	if (i<numPairs)\n"
"	{\n"
"\n"
"	\n"
"		int bodyIndexA = pairs[i].x;\n"
"		int bodyIndexB = pairs[i].y;\n"
"\n"
"		int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n"
"		int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n"
"	\n"
"		int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n"
"		int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n"
"		\n"
"		\n"
"		//once the broadphase avoids static-static pairs, we can remove this test\n"
"		if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n"
"		{\n"
"			return;\n"
"		}\n"
"		\n"
"		if ((collidables[collidableIndexA].m_shapeType==SHAPE_CONCAVE_TRIMESH))// && (collidables[collidableIndexB].m_shapeType==SHAPE_CONVEX_HULL))\n"
"		{\n"
"			int pairIdx = atomic_inc(numConcavePairsOut);\n"
"			if (pairIdx<maxNumConcavePairsCapacity)\n"
"			{\n"
"				//int4 newPair;\n"
"				concavePairsOut[pairIdx].x = bodyIndexA;\n"
"				concavePairsOut[pairIdx].y = bodyIndexB;\n"
"				concavePairsOut[pairIdx].z = 5;\n"
"				concavePairsOut[pairIdx].w = 3;\n"
"			}\n"
"		}//SHAPE_CONCAVE_TRIMESH\n"
"		\n"
"	}//i<numpairs\n"
"}\n"
;