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-rw-r--r--thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/sapKernels.h681
1 files changed, 340 insertions, 341 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/sapKernels.h b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/sapKernels.h
index 04d40fcf26..d6999b94cb 100644
--- a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/sapKernels.h
+++ b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/sapKernels.h
@@ -1,342 +1,341 @@
//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project
-static const char* sapCL= \
-"/*\n"
-"Copyright (c) 2012 Advanced Micro Devices, Inc. \n"
-"This software is provided 'as-is', without any express or implied warranty.\n"
-"In no event will the authors be held liable for any damages arising from the use of this software.\n"
-"Permission is granted to anyone to use this software for any purpose, \n"
-"including commercial applications, and to alter it and redistribute it freely, \n"
-"subject to the following restrictions:\n"
-"1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n"
-"2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n"
-"3. This notice may not be removed or altered from any source distribution.\n"
-"*/\n"
-"//Originally written by Erwin Coumans\n"
-"#define NEW_PAIR_MARKER -1\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"
-"/// conservative test for overlap between two aabbs\n"
-"bool TestAabbAgainstAabb2(const btAabbCL* aabb1, __local const btAabbCL* aabb2);\n"
-"bool TestAabbAgainstAabb2(const btAabbCL* aabb1, __local const btAabbCL* aabb2)\n"
-"{\n"
-" bool overlap = true;\n"
-" overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
-" overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
-" overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
-" return overlap;\n"
-"}\n"
-"bool TestAabbAgainstAabb2GlobalGlobal(__global const btAabbCL* aabb1, __global const btAabbCL* aabb2);\n"
-"bool TestAabbAgainstAabb2GlobalGlobal(__global const btAabbCL* aabb1, __global const btAabbCL* aabb2)\n"
-"{\n"
-" bool overlap = true;\n"
-" overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
-" overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
-" overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
-" return overlap;\n"
-"}\n"
-"bool TestAabbAgainstAabb2Global(const btAabbCL* aabb1, __global const btAabbCL* aabb2);\n"
-"bool TestAabbAgainstAabb2Global(const btAabbCL* aabb1, __global const btAabbCL* aabb2)\n"
-"{\n"
-" bool overlap = true;\n"
-" overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
-" overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
-" overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
-" return overlap;\n"
-"}\n"
-"__kernel void computePairsKernelTwoArrays( __global const btAabbCL* unsortedAabbs, __global const int* unsortedAabbMapping, __global const int* unsortedAabbMapping2, volatile __global int4* pairsOut,volatile __global int* pairCount, int numUnsortedAabbs, int numUnSortedAabbs2, int axis, int maxPairs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numUnsortedAabbs)\n"
-" return;\n"
-" int j = get_global_id(1);\n"
-" if (j>=numUnSortedAabbs2)\n"
-" return;\n"
-" __global const btAabbCL* unsortedAabbPtr = &unsortedAabbs[unsortedAabbMapping[i]];\n"
-" __global const btAabbCL* unsortedAabbPtr2 = &unsortedAabbs[unsortedAabbMapping2[j]];\n"
-" if (TestAabbAgainstAabb2GlobalGlobal(unsortedAabbPtr,unsortedAabbPtr2))\n"
-" {\n"
-" int4 myPair;\n"
-" \n"
-" int xIndex = unsortedAabbPtr[0].m_minIndices[3];\n"
-" int yIndex = unsortedAabbPtr2[0].m_minIndices[3];\n"
-" if (xIndex>yIndex)\n"
-" {\n"
-" int tmp = xIndex;\n"
-" xIndex=yIndex;\n"
-" yIndex=tmp;\n"
-" }\n"
-" \n"
-" myPair.x = xIndex;\n"
-" myPair.y = yIndex;\n"
-" myPair.z = NEW_PAIR_MARKER;\n"
-" myPair.w = NEW_PAIR_MARKER;\n"
-" int curPair = atomic_inc (pairCount);\n"
-" if (curPair<maxPairs)\n"
-" {\n"
-" pairsOut[curPair] = myPair; //flush to main memory\n"
-" }\n"
-" }\n"
-"}\n"
-"__kernel void computePairsKernelBruteForce( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numObjects)\n"
-" return;\n"
-" for (int j=i+1;j<numObjects;j++)\n"
-" {\n"
-" if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
-" {\n"
-" int4 myPair;\n"
-" myPair.x = aabbs[i].m_minIndices[3];\n"
-" myPair.y = aabbs[j].m_minIndices[3];\n"
-" myPair.z = NEW_PAIR_MARKER;\n"
-" myPair.w = NEW_PAIR_MARKER;\n"
-" int curPair = atomic_inc (pairCount);\n"
-" if (curPair<maxPairs)\n"
-" {\n"
-" pairsOut[curPair] = myPair; //flush to main memory\n"
-" }\n"
-" }\n"
-" }\n"
-"}\n"
-"__kernel void computePairsKernelOriginal( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numObjects)\n"
-" return;\n"
-" for (int j=i+1;j<numObjects;j++)\n"
-" {\n"
-" if(aabbs[i].m_maxElems[axis] < (aabbs[j].m_minElems[axis])) \n"
-" {\n"
-" break;\n"
-" }\n"
-" if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
-" {\n"
-" int4 myPair;\n"
-" myPair.x = aabbs[i].m_minIndices[3];\n"
-" myPair.y = aabbs[j].m_minIndices[3];\n"
-" myPair.z = NEW_PAIR_MARKER;\n"
-" myPair.w = NEW_PAIR_MARKER;\n"
-" int curPair = atomic_inc (pairCount);\n"
-" if (curPair<maxPairs)\n"
-" {\n"
-" pairsOut[curPair] = myPair; //flush to main memory\n"
-" }\n"
-" }\n"
-" }\n"
-"}\n"
-"__kernel void computePairsKernelBarrier( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" int localId = get_local_id(0);\n"
-" __local int numActiveWgItems[1];\n"
-" __local int breakRequest[1];\n"
-" if (localId==0)\n"
-" {\n"
-" numActiveWgItems[0] = 0;\n"
-" breakRequest[0] = 0;\n"
-" }\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" atomic_inc(numActiveWgItems);\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" int localBreak = 0;\n"
-" int j=i+1;\n"
-" do\n"
-" {\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (j<numObjects)\n"
-" {\n"
-" if(aabbs[i].m_maxElems[axis] < (aabbs[j].m_minElems[axis])) \n"
-" {\n"
-" if (!localBreak)\n"
-" {\n"
-" atomic_inc(breakRequest);\n"
-" localBreak = 1;\n"
-" }\n"
-" }\n"
-" }\n"
-" \n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (j>=numObjects && !localBreak)\n"
-" {\n"
-" atomic_inc(breakRequest);\n"
-" localBreak = 1;\n"
-" }\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (!localBreak)\n"
-" {\n"
-" if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
-" {\n"
-" int4 myPair;\n"
-" myPair.x = aabbs[i].m_minIndices[3];\n"
-" myPair.y = aabbs[j].m_minIndices[3];\n"
-" myPair.z = NEW_PAIR_MARKER;\n"
-" myPair.w = NEW_PAIR_MARKER;\n"
-" int curPair = atomic_inc (pairCount);\n"
-" if (curPair<maxPairs)\n"
-" {\n"
-" pairsOut[curPair] = myPair; //flush to main memory\n"
-" }\n"
-" }\n"
-" }\n"
-" j++;\n"
-" } while (breakRequest[0]<numActiveWgItems[0]);\n"
-"}\n"
-"__kernel void computePairsKernelLocalSharedMemory( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" int localId = get_local_id(0);\n"
-" __local int numActiveWgItems[1];\n"
-" __local int breakRequest[1];\n"
-" __local btAabbCL localAabbs[128];// = aabbs[i];\n"
-" \n"
-" btAabbCL myAabb;\n"
-" \n"
-" myAabb = (i<numObjects)? aabbs[i]:aabbs[0];\n"
-" float testValue = myAabb.m_maxElems[axis];\n"
-" \n"
-" if (localId==0)\n"
-" {\n"
-" numActiveWgItems[0] = 0;\n"
-" breakRequest[0] = 0;\n"
-" }\n"
-" int localCount=0;\n"
-" int block=0;\n"
-" localAabbs[localId] = (i+block)<numObjects? aabbs[i+block] : aabbs[0];\n"
-" localAabbs[localId+64] = (i+block+64)<numObjects? aabbs[i+block+64]: aabbs[0];\n"
-" \n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" atomic_inc(numActiveWgItems);\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" int localBreak = 0;\n"
-" \n"
-" int j=i+1;\n"
-" do\n"
-" {\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (j<numObjects)\n"
-" {\n"
-" if(testValue < (localAabbs[localCount+localId+1].m_minElems[axis])) \n"
-" {\n"
-" if (!localBreak)\n"
-" {\n"
-" atomic_inc(breakRequest);\n"
-" localBreak = 1;\n"
-" }\n"
-" }\n"
-" }\n"
-" \n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (j>=numObjects && !localBreak)\n"
-" {\n"
-" atomic_inc(breakRequest);\n"
-" localBreak = 1;\n"
-" }\n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" \n"
-" if (!localBreak)\n"
-" {\n"
-" if (TestAabbAgainstAabb2(&myAabb,&localAabbs[localCount+localId+1]))\n"
-" {\n"
-" int4 myPair;\n"
-" myPair.x = myAabb.m_minIndices[3];\n"
-" myPair.y = localAabbs[localCount+localId+1].m_minIndices[3];\n"
-" myPair.z = NEW_PAIR_MARKER;\n"
-" myPair.w = NEW_PAIR_MARKER;\n"
-" int curPair = atomic_inc (pairCount);\n"
-" if (curPair<maxPairs)\n"
-" {\n"
-" pairsOut[curPair] = myPair; //flush to main memory\n"
-" }\n"
-" }\n"
-" }\n"
-" \n"
-" barrier(CLK_LOCAL_MEM_FENCE);\n"
-" localCount++;\n"
-" if (localCount==64)\n"
-" {\n"
-" localCount = 0;\n"
-" block+=64; \n"
-" localAabbs[localId] = ((i+block)<numObjects) ? aabbs[i+block] : aabbs[0];\n"
-" localAabbs[localId+64] = ((i+64+block)<numObjects) ? aabbs[i+block+64] : aabbs[0];\n"
-" }\n"
-" j++;\n"
-" \n"
-" } while (breakRequest[0]<numActiveWgItems[0]);\n"
-" \n"
-"}\n"
-"//http://stereopsis.com/radix.html\n"
-"unsigned int FloatFlip(float fl);\n"
-"unsigned int FloatFlip(float fl)\n"
-"{\n"
-" unsigned int f = *(unsigned int*)&fl;\n"
-" unsigned int mask = -(int)(f >> 31) | 0x80000000;\n"
-" return f ^ mask;\n"
-"}\n"
-"float IFloatFlip(unsigned int f);\n"
-"float IFloatFlip(unsigned int f)\n"
-"{\n"
-" unsigned int mask = ((f >> 31) - 1) | 0x80000000;\n"
-" unsigned int fl = f ^ mask;\n"
-" return *(float*)&fl;\n"
-"}\n"
-"__kernel void copyAabbsKernel( __global const btAabbCL* allAabbs, __global btAabbCL* destAabbs, int numObjects)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numObjects)\n"
-" return;\n"
-" int src = destAabbs[i].m_maxIndices[3];\n"
-" destAabbs[i] = allAabbs[src];\n"
-" destAabbs[i].m_maxIndices[3] = src;\n"
-"}\n"
-"__kernel void flipFloatKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, __global int2* sortData, int numObjects, int axis)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numObjects)\n"
-" return;\n"
-" \n"
-" \n"
-" sortData[i].x = FloatFlip(allAabbs[smallAabbMapping[i]].m_minElems[axis]);\n"
-" sortData[i].y = i;\n"
-" \n"
-"}\n"
-"__kernel void scatterKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, volatile __global const int2* sortData, __global btAabbCL* sortedAabbs, int numObjects)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numObjects)\n"
-" return;\n"
-" \n"
-" sortedAabbs[i] = allAabbs[smallAabbMapping[sortData[i].y]];\n"
-"}\n"
-"__kernel void prepareSumVarianceKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, __global float4* sum, __global float4* sum2,int numAabbs)\n"
-"{\n"
-" int i = get_global_id(0);\n"
-" if (i>=numAabbs)\n"
-" return;\n"
-" \n"
-" btAabbCL smallAabb = allAabbs[smallAabbMapping[i]];\n"
-" \n"
-" float4 s;\n"
-" s = (smallAabb.m_max+smallAabb.m_min)*0.5f;\n"
-" sum[i]=s;\n"
-" sum2[i]=s*s; \n"
-"}\n"
-;
+static const char* sapCL =
+ "/*\n"
+ "Copyright (c) 2012 Advanced Micro Devices, Inc. \n"
+ "This software is provided 'as-is', without any express or implied warranty.\n"
+ "In no event will the authors be held liable for any damages arising from the use of this software.\n"
+ "Permission is granted to anyone to use this software for any purpose, \n"
+ "including commercial applications, and to alter it and redistribute it freely, \n"
+ "subject to the following restrictions:\n"
+ "1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n"
+ "2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n"
+ "3. This notice may not be removed or altered from any source distribution.\n"
+ "*/\n"
+ "//Originally written by Erwin Coumans\n"
+ "#define NEW_PAIR_MARKER -1\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"
+ "/// conservative test for overlap between two aabbs\n"
+ "bool TestAabbAgainstAabb2(const btAabbCL* aabb1, __local const btAabbCL* aabb2);\n"
+ "bool TestAabbAgainstAabb2(const btAabbCL* aabb1, __local const btAabbCL* aabb2)\n"
+ "{\n"
+ " bool overlap = true;\n"
+ " overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
+ " return overlap;\n"
+ "}\n"
+ "bool TestAabbAgainstAabb2GlobalGlobal(__global const btAabbCL* aabb1, __global const btAabbCL* aabb2);\n"
+ "bool TestAabbAgainstAabb2GlobalGlobal(__global const btAabbCL* aabb1, __global const btAabbCL* aabb2)\n"
+ "{\n"
+ " bool overlap = true;\n"
+ " overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
+ " return overlap;\n"
+ "}\n"
+ "bool TestAabbAgainstAabb2Global(const btAabbCL* aabb1, __global const btAabbCL* aabb2);\n"
+ "bool TestAabbAgainstAabb2Global(const btAabbCL* aabb1, __global const btAabbCL* aabb2)\n"
+ "{\n"
+ " bool overlap = true;\n"
+ " overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
+ " overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
+ " return overlap;\n"
+ "}\n"
+ "__kernel void computePairsKernelTwoArrays( __global const btAabbCL* unsortedAabbs, __global const int* unsortedAabbMapping, __global const int* unsortedAabbMapping2, volatile __global int4* pairsOut,volatile __global int* pairCount, int numUnsortedAabbs, int numUnSortedAabbs2, int axis, int maxPairs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numUnsortedAabbs)\n"
+ " return;\n"
+ " int j = get_global_id(1);\n"
+ " if (j>=numUnSortedAabbs2)\n"
+ " return;\n"
+ " __global const btAabbCL* unsortedAabbPtr = &unsortedAabbs[unsortedAabbMapping[i]];\n"
+ " __global const btAabbCL* unsortedAabbPtr2 = &unsortedAabbs[unsortedAabbMapping2[j]];\n"
+ " if (TestAabbAgainstAabb2GlobalGlobal(unsortedAabbPtr,unsortedAabbPtr2))\n"
+ " {\n"
+ " int4 myPair;\n"
+ " \n"
+ " int xIndex = unsortedAabbPtr[0].m_minIndices[3];\n"
+ " int yIndex = unsortedAabbPtr2[0].m_minIndices[3];\n"
+ " if (xIndex>yIndex)\n"
+ " {\n"
+ " int tmp = xIndex;\n"
+ " xIndex=yIndex;\n"
+ " yIndex=tmp;\n"
+ " }\n"
+ " \n"
+ " myPair.x = xIndex;\n"
+ " myPair.y = yIndex;\n"
+ " myPair.z = NEW_PAIR_MARKER;\n"
+ " myPair.w = NEW_PAIR_MARKER;\n"
+ " int curPair = atomic_inc (pairCount);\n"
+ " if (curPair<maxPairs)\n"
+ " {\n"
+ " pairsOut[curPair] = myPair; //flush to main memory\n"
+ " }\n"
+ " }\n"
+ "}\n"
+ "__kernel void computePairsKernelBruteForce( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numObjects)\n"
+ " return;\n"
+ " for (int j=i+1;j<numObjects;j++)\n"
+ " {\n"
+ " if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
+ " {\n"
+ " int4 myPair;\n"
+ " myPair.x = aabbs[i].m_minIndices[3];\n"
+ " myPair.y = aabbs[j].m_minIndices[3];\n"
+ " myPair.z = NEW_PAIR_MARKER;\n"
+ " myPair.w = NEW_PAIR_MARKER;\n"
+ " int curPair = atomic_inc (pairCount);\n"
+ " if (curPair<maxPairs)\n"
+ " {\n"
+ " pairsOut[curPair] = myPair; //flush to main memory\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "}\n"
+ "__kernel void computePairsKernelOriginal( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numObjects)\n"
+ " return;\n"
+ " for (int j=i+1;j<numObjects;j++)\n"
+ " {\n"
+ " if(aabbs[i].m_maxElems[axis] < (aabbs[j].m_minElems[axis])) \n"
+ " {\n"
+ " break;\n"
+ " }\n"
+ " if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
+ " {\n"
+ " int4 myPair;\n"
+ " myPair.x = aabbs[i].m_minIndices[3];\n"
+ " myPair.y = aabbs[j].m_minIndices[3];\n"
+ " myPair.z = NEW_PAIR_MARKER;\n"
+ " myPair.w = NEW_PAIR_MARKER;\n"
+ " int curPair = atomic_inc (pairCount);\n"
+ " if (curPair<maxPairs)\n"
+ " {\n"
+ " pairsOut[curPair] = myPair; //flush to main memory\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "}\n"
+ "__kernel void computePairsKernelBarrier( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " int localId = get_local_id(0);\n"
+ " __local int numActiveWgItems[1];\n"
+ " __local int breakRequest[1];\n"
+ " if (localId==0)\n"
+ " {\n"
+ " numActiveWgItems[0] = 0;\n"
+ " breakRequest[0] = 0;\n"
+ " }\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " atomic_inc(numActiveWgItems);\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " int localBreak = 0;\n"
+ " int j=i+1;\n"
+ " do\n"
+ " {\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (j<numObjects)\n"
+ " {\n"
+ " if(aabbs[i].m_maxElems[axis] < (aabbs[j].m_minElems[axis])) \n"
+ " {\n"
+ " if (!localBreak)\n"
+ " {\n"
+ " atomic_inc(breakRequest);\n"
+ " localBreak = 1;\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ " \n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (j>=numObjects && !localBreak)\n"
+ " {\n"
+ " atomic_inc(breakRequest);\n"
+ " localBreak = 1;\n"
+ " }\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (!localBreak)\n"
+ " {\n"
+ " if (TestAabbAgainstAabb2GlobalGlobal(&aabbs[i],&aabbs[j]))\n"
+ " {\n"
+ " int4 myPair;\n"
+ " myPair.x = aabbs[i].m_minIndices[3];\n"
+ " myPair.y = aabbs[j].m_minIndices[3];\n"
+ " myPair.z = NEW_PAIR_MARKER;\n"
+ " myPair.w = NEW_PAIR_MARKER;\n"
+ " int curPair = atomic_inc (pairCount);\n"
+ " if (curPair<maxPairs)\n"
+ " {\n"
+ " pairsOut[curPair] = myPair; //flush to main memory\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ " j++;\n"
+ " } while (breakRequest[0]<numActiveWgItems[0]);\n"
+ "}\n"
+ "__kernel void computePairsKernelLocalSharedMemory( __global const btAabbCL* aabbs, volatile __global int4* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " int localId = get_local_id(0);\n"
+ " __local int numActiveWgItems[1];\n"
+ " __local int breakRequest[1];\n"
+ " __local btAabbCL localAabbs[128];// = aabbs[i];\n"
+ " \n"
+ " btAabbCL myAabb;\n"
+ " \n"
+ " myAabb = (i<numObjects)? aabbs[i]:aabbs[0];\n"
+ " float testValue = myAabb.m_maxElems[axis];\n"
+ " \n"
+ " if (localId==0)\n"
+ " {\n"
+ " numActiveWgItems[0] = 0;\n"
+ " breakRequest[0] = 0;\n"
+ " }\n"
+ " int localCount=0;\n"
+ " int block=0;\n"
+ " localAabbs[localId] = (i+block)<numObjects? aabbs[i+block] : aabbs[0];\n"
+ " localAabbs[localId+64] = (i+block+64)<numObjects? aabbs[i+block+64]: aabbs[0];\n"
+ " \n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " atomic_inc(numActiveWgItems);\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " int localBreak = 0;\n"
+ " \n"
+ " int j=i+1;\n"
+ " do\n"
+ " {\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (j<numObjects)\n"
+ " {\n"
+ " if(testValue < (localAabbs[localCount+localId+1].m_minElems[axis])) \n"
+ " {\n"
+ " if (!localBreak)\n"
+ " {\n"
+ " atomic_inc(breakRequest);\n"
+ " localBreak = 1;\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ " \n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (j>=numObjects && !localBreak)\n"
+ " {\n"
+ " atomic_inc(breakRequest);\n"
+ " localBreak = 1;\n"
+ " }\n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " \n"
+ " if (!localBreak)\n"
+ " {\n"
+ " if (TestAabbAgainstAabb2(&myAabb,&localAabbs[localCount+localId+1]))\n"
+ " {\n"
+ " int4 myPair;\n"
+ " myPair.x = myAabb.m_minIndices[3];\n"
+ " myPair.y = localAabbs[localCount+localId+1].m_minIndices[3];\n"
+ " myPair.z = NEW_PAIR_MARKER;\n"
+ " myPair.w = NEW_PAIR_MARKER;\n"
+ " int curPair = atomic_inc (pairCount);\n"
+ " if (curPair<maxPairs)\n"
+ " {\n"
+ " pairsOut[curPair] = myPair; //flush to main memory\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ " \n"
+ " barrier(CLK_LOCAL_MEM_FENCE);\n"
+ " localCount++;\n"
+ " if (localCount==64)\n"
+ " {\n"
+ " localCount = 0;\n"
+ " block+=64; \n"
+ " localAabbs[localId] = ((i+block)<numObjects) ? aabbs[i+block] : aabbs[0];\n"
+ " localAabbs[localId+64] = ((i+64+block)<numObjects) ? aabbs[i+block+64] : aabbs[0];\n"
+ " }\n"
+ " j++;\n"
+ " \n"
+ " } while (breakRequest[0]<numActiveWgItems[0]);\n"
+ " \n"
+ "}\n"
+ "//http://stereopsis.com/radix.html\n"
+ "unsigned int FloatFlip(float fl);\n"
+ "unsigned int FloatFlip(float fl)\n"
+ "{\n"
+ " unsigned int f = *(unsigned int*)&fl;\n"
+ " unsigned int mask = -(int)(f >> 31) | 0x80000000;\n"
+ " return f ^ mask;\n"
+ "}\n"
+ "float IFloatFlip(unsigned int f);\n"
+ "float IFloatFlip(unsigned int f)\n"
+ "{\n"
+ " unsigned int mask = ((f >> 31) - 1) | 0x80000000;\n"
+ " unsigned int fl = f ^ mask;\n"
+ " return *(float*)&fl;\n"
+ "}\n"
+ "__kernel void copyAabbsKernel( __global const btAabbCL* allAabbs, __global btAabbCL* destAabbs, int numObjects)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numObjects)\n"
+ " return;\n"
+ " int src = destAabbs[i].m_maxIndices[3];\n"
+ " destAabbs[i] = allAabbs[src];\n"
+ " destAabbs[i].m_maxIndices[3] = src;\n"
+ "}\n"
+ "__kernel void flipFloatKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, __global int2* sortData, int numObjects, int axis)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numObjects)\n"
+ " return;\n"
+ " \n"
+ " \n"
+ " sortData[i].x = FloatFlip(allAabbs[smallAabbMapping[i]].m_minElems[axis]);\n"
+ " sortData[i].y = i;\n"
+ " \n"
+ "}\n"
+ "__kernel void scatterKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, volatile __global const int2* sortData, __global btAabbCL* sortedAabbs, int numObjects)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numObjects)\n"
+ " return;\n"
+ " \n"
+ " sortedAabbs[i] = allAabbs[smallAabbMapping[sortData[i].y]];\n"
+ "}\n"
+ "__kernel void prepareSumVarianceKernel( __global const btAabbCL* allAabbs, __global const int* smallAabbMapping, __global float4* sum, __global float4* sum2,int numAabbs)\n"
+ "{\n"
+ " int i = get_global_id(0);\n"
+ " if (i>=numAabbs)\n"
+ " return;\n"
+ " \n"
+ " btAabbCL smallAabb = allAabbs[smallAabbMapping[i]];\n"
+ " \n"
+ " float4 s;\n"
+ " s = (smallAabb.m_max+smallAabb.m_min)*0.5f;\n"
+ " sum[i]=s;\n"
+ " sum2[i]=s*s; \n"
+ "}\n";