reorder files, in preparation for Bullet 3 -> Bullet 2 merge
This commit is contained in:
erwincoumans
164
src/Bullet3OpenCL/BroadphaseCollision/kernels/sapFastKernels.h
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164
src/Bullet3OpenCL/BroadphaseCollision/kernels/sapFastKernels.h
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//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project
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static const char* sapFastCL= \
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"/*\n"
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"Copyright (c) 2012 Advanced Micro Devices, Inc. \n"
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"\n"
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"This software is provided 'as-is', without any express or implied warranty.\n"
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"In no event will the authors be held liable for any damages arising from the use of this software.\n"
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"Permission is granted to anyone to use this software for any purpose, \n"
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"including commercial applications, and to alter it and redistribute it freely, \n"
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"subject to the following restrictions:\n"
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"\n"
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"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"
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"2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n"
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"3. This notice may not be removed or altered from any source distribution.\n"
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"*/\n"
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"//Originally written by Erwin Coumans\n"
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"\n"
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"\n"
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"typedef struct \n"
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"{\n"
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" union\n"
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" {\n"
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" float4 m_min;\n"
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" float m_minElems[4];\n"
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" int m_minIndices[4];\n"
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" };\n"
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" union\n"
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" {\n"
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" float4 m_max;\n"
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" float m_maxElems[4];\n"
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" int m_maxIndices[4];\n"
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" };\n"
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"} b3AabbCL;\n"
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"\n"
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"\n"
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"/// conservative test for overlap between two aabbs\n"
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"bool TestAabbAgainstAabb2(const b3AabbCL* aabb1, __local const b3AabbCL* aabb2);\n"
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"bool TestAabbAgainstAabb2(const b3AabbCL* aabb1, __local const b3AabbCL* aabb2)\n"
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"{\n"
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"//skip pairs between static (mass=0) objects\n"
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" if ((aabb1->m_maxIndices[3]==0) && (aabb2->m_maxIndices[3] == 0))\n"
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" return false;\n"
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" \n"
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" bool overlap = true;\n"
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" overlap = (aabb1->m_min.x > aabb2->m_max.x || aabb1->m_max.x < aabb2->m_min.x) ? false : overlap;\n"
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" overlap = (aabb1->m_min.z > aabb2->m_max.z || aabb1->m_max.z < aabb2->m_min.z) ? false : overlap;\n"
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" overlap = (aabb1->m_min.y > aabb2->m_max.y || aabb1->m_max.y < aabb2->m_min.y) ? false : overlap;\n"
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" return overlap;\n"
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"}\n"
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"\n"
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"\n"
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"//computePairsKernelBatchWrite\n"
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"__kernel void computePairsKernel( __global const b3AabbCL* aabbs, volatile __global int2* pairsOut,volatile __global int* pairCount, int numObjects, int axis, int maxPairs)\n"
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"{\n"
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" int i = get_global_id(0);\n"
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" int localId = get_local_id(0);\n"
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"\n"
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" __local int numActiveWgItems[1];\n"
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" __local int breakRequest[1];\n"
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" __local b3AabbCL localAabbs[128];// = aabbs[i];\n"
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" \n"
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" int2 myPairs[64];\n"
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" \n"
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" b3AabbCL myAabb;\n"
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" \n"
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" myAabb = (i<numObjects)? aabbs[i]:aabbs[0];\n"
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" float testValue = myAabb.m_maxElems[axis];\n"
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" \n"
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" if (localId==0)\n"
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" {\n"
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" numActiveWgItems[0] = 0;\n"
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" breakRequest[0] = 0;\n"
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" }\n"
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" int localCount=0;\n"
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" int block=0;\n"
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" localAabbs[localId] = (i+block)<numObjects? aabbs[i+block] : aabbs[0];\n"
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" localAabbs[localId+64] = (i+block+64)<numObjects? aabbs[i+block+64]: aabbs[0];\n"
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" \n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" atomic_inc(numActiveWgItems);\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" int localBreak = 0;\n"
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" int curNumPairs = 0;\n"
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" \n"
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" int j=i+1;\n"
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" do\n"
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" {\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" \n"
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" if (j<numObjects)\n"
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" {\n"
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" if(testValue < (localAabbs[localCount+localId+1].m_minElems[axis])) \n"
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" {\n"
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" if (!localBreak)\n"
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" {\n"
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" atomic_inc(breakRequest);\n"
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" localBreak = 1;\n"
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" }\n"
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" }\n"
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" }\n"
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" \n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" \n"
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" if (j>=numObjects && !localBreak)\n"
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" {\n"
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" atomic_inc(breakRequest);\n"
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" localBreak = 1;\n"
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" }\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" \n"
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" if (!localBreak)\n"
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" {\n"
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" if (TestAabbAgainstAabb2(&myAabb,&localAabbs[localCount+localId+1]))\n"
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" {\n"
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" int2 myPair;\n"
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" myPair.x = myAabb.m_minIndices[3];\n"
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" myPair.y = localAabbs[localCount+localId+1].m_minIndices[3];\n"
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" myPairs[curNumPairs] = myPair;\n"
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" curNumPairs++;\n"
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" if (curNumPairs==64)\n"
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" {\n"
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" int curPair = atomic_add(pairCount,curNumPairs);\n"
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" //avoid a buffer overrun\n"
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" if ((curPair+curNumPairs)<maxPairs)\n"
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" {\n"
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" for (int p=0;p<curNumPairs;p++)\n"
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" {\n"
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" pairsOut[curPair+p] = myPairs[p]; //flush to main memory\n"
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" }\n"
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" }\n"
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" curNumPairs = 0;\n"
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" }\n"
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" }\n"
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" }\n"
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" barrier(CLK_LOCAL_MEM_FENCE);\n"
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" \n"
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" localCount++;\n"
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" if (localCount==64)\n"
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" {\n"
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" localCount = 0;\n"
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" block+=64; \n"
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" localAabbs[localId] = ((i+block)<numObjects) ? aabbs[i+block] : aabbs[0];\n"
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" localAabbs[localId+64] = ((i+64+block)<numObjects) ? aabbs[i+block+64] : aabbs[0];\n"
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" }\n"
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" j++;\n"
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" \n"
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" } while (breakRequest[0]<numActiveWgItems[0]);\n"
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" \n"
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" \n"
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" if (curNumPairs>0)\n"
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" {\n"
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" //avoid a buffer overrun\n"
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" int curPair = atomic_add(pairCount,curNumPairs);\n"
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" if ((curPair+curNumPairs)<maxPairs)\n"
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" {\n"
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" for (int p=0;p<curNumPairs;p++)\n"
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" {\n"
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" pairsOut[curPair+p] = myPairs[p]; //flush to main memory\n"
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" }\n"
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" }\n"
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" curNumPairs = 0;\n"
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" }\n"
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"}\n"
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;
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