2011-04-27 11:58:34 +00:00
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/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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2013-06-19 17:54:23 +00:00
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#include <iostream>
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2011-09-09 12:04:39 +00:00
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#include <stdlib.h>
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2012-10-18 13:48:02 +00:00
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#include <stdio.h>
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2011-09-09 12:04:39 +00:00
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2011-04-27 11:58:34 +00:00
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#include "util_cuda.h"
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#include "util_debug.h"
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#include "util_dynlib.h"
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2011-09-08 18:58:07 +00:00
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#include "util_path.h"
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#include "util_string.h"
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2011-04-27 11:58:34 +00:00
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2013-06-19 17:54:23 +00:00
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#ifdef _WIN32
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#define popen _popen
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#define pclose _pclose
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#endif
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2011-04-27 11:58:34 +00:00
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/* function defininitions */
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tcuInit *cuInit;
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tcuDriverGetVersion *cuDriverGetVersion;
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tcuDeviceGet *cuDeviceGet;
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tcuDeviceGetCount *cuDeviceGetCount;
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tcuDeviceGetName *cuDeviceGetName;
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tcuDeviceComputeCapability *cuDeviceComputeCapability;
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tcuDeviceTotalMem *cuDeviceTotalMem;
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tcuDeviceGetProperties *cuDeviceGetProperties;
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tcuDeviceGetAttribute *cuDeviceGetAttribute;
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tcuCtxCreate *cuCtxCreate;
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tcuCtxDestroy *cuCtxDestroy;
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tcuCtxAttach *cuCtxAttach;
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tcuCtxDetach *cuCtxDetach;
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tcuCtxPushCurrent *cuCtxPushCurrent;
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tcuCtxPopCurrent *cuCtxPopCurrent;
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tcuCtxGetDevice *cuCtxGetDevice;
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tcuCtxSynchronize *cuCtxSynchronize;
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tcuModuleLoad *cuModuleLoad;
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tcuModuleLoadData *cuModuleLoadData;
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tcuModuleLoadDataEx *cuModuleLoadDataEx;
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tcuModuleLoadFatBinary *cuModuleLoadFatBinary;
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tcuModuleUnload *cuModuleUnload;
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tcuModuleGetFunction *cuModuleGetFunction;
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tcuModuleGetGlobal *cuModuleGetGlobal;
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tcuModuleGetTexRef *cuModuleGetTexRef;
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tcuModuleGetSurfRef *cuModuleGetSurfRef;
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tcuMemGetInfo *cuMemGetInfo;
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tcuMemAlloc *cuMemAlloc;
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tcuMemAllocPitch *cuMemAllocPitch;
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tcuMemFree *cuMemFree;
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tcuMemGetAddressRange *cuMemGetAddressRange;
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tcuMemAllocHost *cuMemAllocHost;
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tcuMemFreeHost *cuMemFreeHost;
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tcuMemHostAlloc *cuMemHostAlloc;
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tcuMemHostGetDevicePointer *cuMemHostGetDevicePointer;
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tcuMemHostGetFlags *cuMemHostGetFlags;
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tcuMemcpyHtoD *cuMemcpyHtoD;
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tcuMemcpyDtoH *cuMemcpyDtoH;
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tcuMemcpyDtoD *cuMemcpyDtoD;
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tcuMemcpyDtoA *cuMemcpyDtoA;
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tcuMemcpyAtoD *cuMemcpyAtoD;
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tcuMemcpyHtoA *cuMemcpyHtoA;
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tcuMemcpyAtoH *cuMemcpyAtoH;
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tcuMemcpyAtoA *cuMemcpyAtoA;
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tcuMemcpy2D *cuMemcpy2D;
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tcuMemcpy2DUnaligned *cuMemcpy2DUnaligned;
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tcuMemcpy3D *cuMemcpy3D;
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tcuMemcpyHtoDAsync *cuMemcpyHtoDAsync;
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tcuMemcpyDtoHAsync *cuMemcpyDtoHAsync;
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tcuMemcpyDtoDAsync *cuMemcpyDtoDAsync;
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tcuMemcpyHtoAAsync *cuMemcpyHtoAAsync;
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tcuMemcpyAtoHAsync *cuMemcpyAtoHAsync;
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tcuMemcpy2DAsync *cuMemcpy2DAsync;
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tcuMemcpy3DAsync *cuMemcpy3DAsync;
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tcuMemsetD8 *cuMemsetD8;
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tcuMemsetD16 *cuMemsetD16;
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tcuMemsetD32 *cuMemsetD32;
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tcuMemsetD2D8 *cuMemsetD2D8;
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tcuMemsetD2D16 *cuMemsetD2D16;
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tcuMemsetD2D32 *cuMemsetD2D32;
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tcuFuncSetBlockShape *cuFuncSetBlockShape;
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tcuFuncSetSharedSize *cuFuncSetSharedSize;
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tcuFuncGetAttribute *cuFuncGetAttribute;
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tcuFuncSetCacheConfig *cuFuncSetCacheConfig;
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tcuArrayCreate *cuArrayCreate;
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tcuArrayGetDescriptor *cuArrayGetDescriptor;
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tcuArrayDestroy *cuArrayDestroy;
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tcuArray3DCreate *cuArray3DCreate;
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tcuArray3DGetDescriptor *cuArray3DGetDescriptor;
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tcuTexRefCreate *cuTexRefCreate;
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tcuTexRefDestroy *cuTexRefDestroy;
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tcuTexRefSetArray *cuTexRefSetArray;
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tcuTexRefSetAddress *cuTexRefSetAddress;
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tcuTexRefSetAddress2D *cuTexRefSetAddress2D;
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tcuTexRefSetFormat *cuTexRefSetFormat;
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tcuTexRefSetAddressMode *cuTexRefSetAddressMode;
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tcuTexRefSetFilterMode *cuTexRefSetFilterMode;
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tcuTexRefSetFlags *cuTexRefSetFlags;
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tcuTexRefGetAddress *cuTexRefGetAddress;
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tcuTexRefGetArray *cuTexRefGetArray;
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tcuTexRefGetAddressMode *cuTexRefGetAddressMode;
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tcuTexRefGetFilterMode *cuTexRefGetFilterMode;
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tcuTexRefGetFormat *cuTexRefGetFormat;
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tcuTexRefGetFlags *cuTexRefGetFlags;
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tcuSurfRefSetArray *cuSurfRefSetArray;
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tcuSurfRefGetArray *cuSurfRefGetArray;
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tcuParamSetSize *cuParamSetSize;
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tcuParamSeti *cuParamSeti;
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tcuParamSetf *cuParamSetf;
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tcuParamSetv *cuParamSetv;
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tcuParamSetTexRef *cuParamSetTexRef;
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tcuLaunch *cuLaunch;
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tcuLaunchGrid *cuLaunchGrid;
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tcuLaunchGridAsync *cuLaunchGridAsync;
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tcuEventCreate *cuEventCreate;
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tcuEventRecord *cuEventRecord;
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tcuEventQuery *cuEventQuery;
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tcuEventSynchronize *cuEventSynchronize;
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tcuEventDestroy *cuEventDestroy;
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tcuEventElapsedTime *cuEventElapsedTime;
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tcuStreamCreate *cuStreamCreate;
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tcuStreamQuery *cuStreamQuery;
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tcuStreamSynchronize *cuStreamSynchronize;
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tcuStreamDestroy *cuStreamDestroy;
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tcuGraphicsUnregisterResource *cuGraphicsUnregisterResource;
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tcuGraphicsSubResourceGetMappedArray *cuGraphicsSubResourceGetMappedArray;
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tcuGraphicsResourceGetMappedPointer *cuGraphicsResourceGetMappedPointer;
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tcuGraphicsResourceSetMapFlags *cuGraphicsResourceSetMapFlags;
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tcuGraphicsMapResources *cuGraphicsMapResources;
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tcuGraphicsUnmapResources *cuGraphicsUnmapResources;
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tcuGetExportTable *cuGetExportTable;
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tcuCtxSetLimit *cuCtxSetLimit;
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tcuCtxGetLimit *cuCtxGetLimit;
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tcuGLCtxCreate *cuGLCtxCreate;
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tcuGraphicsGLRegisterBuffer *cuGraphicsGLRegisterBuffer;
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tcuGraphicsGLRegisterImage *cuGraphicsGLRegisterImage;
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tcuCtxSetCurrent *cuCtxSetCurrent;
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CCL_NAMESPACE_BEGIN
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/* utility macros */
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2011-11-12 03:59:45 +00:00
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#define CUDA_LIBRARY_FIND_CHECKED(name) \
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name = (t##name*)dynamic_library_find(lib, #name);
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2011-04-27 11:58:34 +00:00
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#define CUDA_LIBRARY_FIND(name) \
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name = (t##name*)dynamic_library_find(lib, #name); \
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assert(name);
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#define CUDA_LIBRARY_FIND_V2(name) \
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name = (t##name*)dynamic_library_find(lib, #name "_v2"); \
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assert(name);
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/* initialization function */
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bool cuLibraryInit()
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{
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static bool initialized = false;
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static bool result = false;
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if(initialized)
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return result;
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initialized = true;
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/* library paths */
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#ifdef _WIN32
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/* expected in c:/windows/system or similar, no path needed */
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const char *path = "nvcuda.dll";
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#elif defined(__APPLE__)
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/* default installation path */
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const char *path = "/usr/local/cuda/lib/libcuda.dylib";
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#else
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const char *path = "libcuda.so";
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#endif
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/* load library */
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DynamicLibrary *lib = dynamic_library_open(path);
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if(lib == NULL)
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return false;
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/* detect driver version */
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int driver_version = 1000;
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2011-11-12 03:59:45 +00:00
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CUDA_LIBRARY_FIND_CHECKED(cuDriverGetVersion);
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2011-04-27 11:58:34 +00:00
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if(cuDriverGetVersion)
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cuDriverGetVersion(&driver_version);
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/* we require version 4.0 */
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if(driver_version < 4000)
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return false;
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/* fetch all function pointers */
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CUDA_LIBRARY_FIND(cuInit);
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CUDA_LIBRARY_FIND(cuDeviceGet);
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CUDA_LIBRARY_FIND(cuDeviceGetCount);
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CUDA_LIBRARY_FIND(cuDeviceGetName);
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CUDA_LIBRARY_FIND(cuDeviceComputeCapability);
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CUDA_LIBRARY_FIND(cuDeviceTotalMem);
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CUDA_LIBRARY_FIND(cuDeviceGetProperties);
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CUDA_LIBRARY_FIND(cuDeviceGetAttribute);
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CUDA_LIBRARY_FIND(cuCtxCreate);
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CUDA_LIBRARY_FIND(cuCtxDestroy);
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CUDA_LIBRARY_FIND(cuCtxAttach);
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CUDA_LIBRARY_FIND(cuCtxDetach);
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CUDA_LIBRARY_FIND(cuCtxPushCurrent);
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CUDA_LIBRARY_FIND(cuCtxPopCurrent);
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CUDA_LIBRARY_FIND(cuCtxGetDevice);
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CUDA_LIBRARY_FIND(cuCtxSynchronize);
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CUDA_LIBRARY_FIND(cuModuleLoad);
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CUDA_LIBRARY_FIND(cuModuleLoadData);
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CUDA_LIBRARY_FIND(cuModuleUnload);
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CUDA_LIBRARY_FIND(cuModuleGetFunction);
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CUDA_LIBRARY_FIND(cuModuleGetGlobal);
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CUDA_LIBRARY_FIND(cuModuleGetTexRef);
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CUDA_LIBRARY_FIND(cuMemGetInfo);
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CUDA_LIBRARY_FIND(cuMemAlloc);
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CUDA_LIBRARY_FIND(cuMemAllocPitch);
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CUDA_LIBRARY_FIND(cuMemFree);
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CUDA_LIBRARY_FIND(cuMemGetAddressRange);
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CUDA_LIBRARY_FIND(cuMemAllocHost);
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CUDA_LIBRARY_FIND(cuMemFreeHost);
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CUDA_LIBRARY_FIND(cuMemHostAlloc);
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CUDA_LIBRARY_FIND(cuMemHostGetDevicePointer);
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CUDA_LIBRARY_FIND(cuMemcpyHtoD);
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CUDA_LIBRARY_FIND(cuMemcpyDtoH);
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CUDA_LIBRARY_FIND(cuMemcpyDtoD);
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CUDA_LIBRARY_FIND(cuMemcpyDtoA);
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CUDA_LIBRARY_FIND(cuMemcpyAtoD);
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CUDA_LIBRARY_FIND(cuMemcpyHtoA);
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CUDA_LIBRARY_FIND(cuMemcpyAtoH);
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CUDA_LIBRARY_FIND(cuMemcpyAtoA);
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CUDA_LIBRARY_FIND(cuMemcpy2D);
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CUDA_LIBRARY_FIND(cuMemcpy2DUnaligned);
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CUDA_LIBRARY_FIND(cuMemcpy3D);
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CUDA_LIBRARY_FIND(cuMemcpyHtoDAsync);
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CUDA_LIBRARY_FIND(cuMemcpyDtoHAsync);
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CUDA_LIBRARY_FIND(cuMemcpyHtoAAsync);
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CUDA_LIBRARY_FIND(cuMemcpyAtoHAsync);
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CUDA_LIBRARY_FIND(cuMemcpy2DAsync);
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CUDA_LIBRARY_FIND(cuMemcpy3DAsync);
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CUDA_LIBRARY_FIND(cuMemsetD8);
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CUDA_LIBRARY_FIND(cuMemsetD16);
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CUDA_LIBRARY_FIND(cuMemsetD32);
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CUDA_LIBRARY_FIND(cuMemsetD2D8);
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CUDA_LIBRARY_FIND(cuMemsetD2D16);
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CUDA_LIBRARY_FIND(cuMemsetD2D32);
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CUDA_LIBRARY_FIND(cuFuncSetBlockShape);
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CUDA_LIBRARY_FIND(cuFuncSetSharedSize);
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CUDA_LIBRARY_FIND(cuFuncGetAttribute);
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CUDA_LIBRARY_FIND(cuArrayCreate);
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CUDA_LIBRARY_FIND(cuArrayGetDescriptor);
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CUDA_LIBRARY_FIND(cuArrayDestroy);
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CUDA_LIBRARY_FIND(cuArray3DCreate);
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CUDA_LIBRARY_FIND(cuArray3DGetDescriptor);
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CUDA_LIBRARY_FIND(cuTexRefCreate);
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CUDA_LIBRARY_FIND(cuTexRefDestroy);
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CUDA_LIBRARY_FIND(cuTexRefSetArray);
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CUDA_LIBRARY_FIND(cuTexRefSetAddress);
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CUDA_LIBRARY_FIND(cuTexRefSetAddress2D);
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CUDA_LIBRARY_FIND(cuTexRefSetFormat);
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CUDA_LIBRARY_FIND(cuTexRefSetAddressMode);
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CUDA_LIBRARY_FIND(cuTexRefSetFilterMode);
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CUDA_LIBRARY_FIND(cuTexRefSetFlags);
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CUDA_LIBRARY_FIND(cuTexRefGetAddress);
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CUDA_LIBRARY_FIND(cuTexRefGetArray);
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CUDA_LIBRARY_FIND(cuTexRefGetAddressMode);
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CUDA_LIBRARY_FIND(cuTexRefGetFilterMode);
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CUDA_LIBRARY_FIND(cuTexRefGetFormat);
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CUDA_LIBRARY_FIND(cuTexRefGetFlags);
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CUDA_LIBRARY_FIND(cuParamSetSize);
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CUDA_LIBRARY_FIND(cuParamSeti);
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CUDA_LIBRARY_FIND(cuParamSetf);
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CUDA_LIBRARY_FIND(cuParamSetv);
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CUDA_LIBRARY_FIND(cuParamSetTexRef);
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CUDA_LIBRARY_FIND(cuLaunch);
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CUDA_LIBRARY_FIND(cuLaunchGrid);
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CUDA_LIBRARY_FIND(cuLaunchGridAsync);
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CUDA_LIBRARY_FIND(cuEventCreate);
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CUDA_LIBRARY_FIND(cuEventRecord);
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CUDA_LIBRARY_FIND(cuEventQuery);
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CUDA_LIBRARY_FIND(cuEventSynchronize);
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CUDA_LIBRARY_FIND(cuEventDestroy);
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CUDA_LIBRARY_FIND(cuEventElapsedTime);
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CUDA_LIBRARY_FIND(cuStreamCreate);
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CUDA_LIBRARY_FIND(cuStreamQuery);
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CUDA_LIBRARY_FIND(cuStreamSynchronize);
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CUDA_LIBRARY_FIND(cuStreamDestroy);
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/* cuda 2.1 */
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CUDA_LIBRARY_FIND(cuModuleLoadDataEx);
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CUDA_LIBRARY_FIND(cuModuleLoadFatBinary);
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CUDA_LIBRARY_FIND(cuGLCtxCreate);
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CUDA_LIBRARY_FIND(cuGraphicsGLRegisterBuffer);
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CUDA_LIBRARY_FIND(cuGraphicsGLRegisterImage);
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/* cuda 2.3 */
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CUDA_LIBRARY_FIND(cuMemHostGetFlags);
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CUDA_LIBRARY_FIND(cuGraphicsGLRegisterBuffer);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsGLRegisterImage);
|
|
|
|
|
|
|
|
/* cuda 3.0 */
|
|
|
|
CUDA_LIBRARY_FIND(cuMemcpyDtoDAsync);
|
|
|
|
CUDA_LIBRARY_FIND(cuFuncSetCacheConfig);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsUnregisterResource);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsSubResourceGetMappedArray);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsResourceGetMappedPointer);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsResourceSetMapFlags);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsMapResources);
|
|
|
|
CUDA_LIBRARY_FIND(cuGraphicsUnmapResources);
|
|
|
|
CUDA_LIBRARY_FIND(cuGetExportTable);
|
|
|
|
|
|
|
|
/* cuda 3.1 */
|
|
|
|
CUDA_LIBRARY_FIND(cuModuleGetSurfRef);
|
|
|
|
CUDA_LIBRARY_FIND(cuSurfRefSetArray);
|
|
|
|
CUDA_LIBRARY_FIND(cuSurfRefGetArray);
|
|
|
|
CUDA_LIBRARY_FIND(cuCtxSetLimit);
|
|
|
|
CUDA_LIBRARY_FIND(cuCtxGetLimit);
|
|
|
|
|
|
|
|
/* functions which changed 3.1 -> 3.2 for 64 bit stuff, the cuda library
|
2012-06-09 17:22:52 +00:00
|
|
|
* has both the old ones for compatibility and new ones with _v2 postfix,
|
|
|
|
* we load the _v2 ones here. */
|
2011-04-27 11:58:34 +00:00
|
|
|
CUDA_LIBRARY_FIND_V2(cuDeviceTotalMem);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuCtxCreate);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuModuleGetGlobal);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemGetInfo);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemAlloc);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemAllocPitch);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemFree);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemGetAddressRange);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemAllocHost);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemHostGetDevicePointer);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyHtoD);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyDtoH);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyDtoD);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyDtoA);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyAtoD);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyHtoA);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyAtoH);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyAtoA);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyHtoAAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyAtoHAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpy2D);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpy2DUnaligned);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpy3D);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyHtoDAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyDtoHAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpyDtoDAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpy2DAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemcpy3DAsync);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD8);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD16);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD32);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD2D8);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD2D16);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuMemsetD2D32);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuArrayCreate);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuArrayGetDescriptor);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuArray3DCreate);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuArray3DGetDescriptor);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuTexRefSetAddress);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuTexRefSetAddress2D);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuTexRefGetAddress);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuGraphicsResourceGetMappedPointer);
|
|
|
|
CUDA_LIBRARY_FIND_V2(cuGLCtxCreate);
|
|
|
|
|
|
|
|
/* cuda 4.0 */
|
|
|
|
CUDA_LIBRARY_FIND(cuCtxSetCurrent);
|
|
|
|
|
2013-01-14 17:30:33 +00:00
|
|
|
if(cuHavePrecompiledKernels())
|
|
|
|
result = true;
|
2013-01-14 19:33:16 +00:00
|
|
|
#ifndef _WIN32
|
2013-01-14 17:30:33 +00:00
|
|
|
else if(cuCompilerPath() != "")
|
|
|
|
result = true;
|
2011-11-10 12:52:17 +00:00
|
|
|
#endif
|
2011-04-27 11:58:34 +00:00
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2013-01-14 17:30:33 +00:00
|
|
|
bool cuHavePrecompiledKernels()
|
|
|
|
{
|
|
|
|
string cubins_path = path_get("lib");
|
|
|
|
|
|
|
|
return path_exists(cubins_path);
|
|
|
|
}
|
|
|
|
|
2011-09-08 18:58:07 +00:00
|
|
|
string cuCompilerPath()
|
|
|
|
{
|
|
|
|
#ifdef _WIN32
|
2012-12-21 10:27:35 +00:00
|
|
|
const char *defaultpaths[] = {"C:/CUDA/bin", NULL};
|
2011-09-09 12:04:39 +00:00
|
|
|
const char *executable = "nvcc.exe";
|
2011-09-08 18:58:07 +00:00
|
|
|
#else
|
2013-06-19 17:54:23 +00:00
|
|
|
const char *defaultpaths[] = {
|
|
|
|
"/Developer/NVIDIA/CUDA-5.0/bin",
|
|
|
|
"/usr/local/cuda-5.0/bin",
|
|
|
|
"/usr/local/cuda/bin",
|
|
|
|
"/Developer/NVIDIA/CUDA-4.2/bin",
|
|
|
|
"/usr/local/cuda-4.2/bin",
|
|
|
|
"/Developer/NVIDIA/CUDA-5.5/bin",
|
|
|
|
"/usr/local/cuda-5.5/bin",
|
|
|
|
NULL};
|
2011-09-09 12:04:39 +00:00
|
|
|
const char *executable = "nvcc";
|
2011-09-08 18:58:07 +00:00
|
|
|
#endif
|
|
|
|
|
2011-09-09 12:04:39 +00:00
|
|
|
const char *binpath = getenv("CUDA_BIN_PATH");
|
|
|
|
|
|
|
|
string nvcc;
|
|
|
|
|
2012-12-21 10:27:35 +00:00
|
|
|
if(binpath) {
|
2011-09-09 12:04:39 +00:00
|
|
|
nvcc = path_join(binpath, executable);
|
2012-12-21 10:27:35 +00:00
|
|
|
if(path_exists(nvcc))
|
|
|
|
return nvcc;
|
|
|
|
}
|
2011-09-09 12:04:39 +00:00
|
|
|
|
2012-12-21 10:27:35 +00:00
|
|
|
for(int i = 0; defaultpaths[i]; i++) {
|
|
|
|
nvcc = path_join(defaultpaths[i], executable);
|
|
|
|
if(path_exists(nvcc))
|
|
|
|
return nvcc;
|
|
|
|
}
|
2011-11-10 12:52:17 +00:00
|
|
|
|
|
|
|
#ifndef _WIN32
|
2012-10-18 13:48:02 +00:00
|
|
|
{
|
|
|
|
FILE *handle = popen("which nvcc", "r");
|
|
|
|
if(handle) {
|
|
|
|
char buffer[4096] = {0};
|
|
|
|
int len = fread(buffer, 1, sizeof(buffer) - 1, handle);
|
|
|
|
buffer[len] = '\0';
|
|
|
|
pclose(handle);
|
|
|
|
|
|
|
|
if(buffer[0])
|
|
|
|
return "nvcc";
|
|
|
|
}
|
|
|
|
}
|
2011-11-10 12:52:17 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
return "";
|
2011-09-08 18:58:07 +00:00
|
|
|
}
|
|
|
|
|
2013-06-19 17:54:23 +00:00
|
|
|
int cuCompilerVersion()
|
|
|
|
{
|
|
|
|
string path = cuCompilerPath();
|
|
|
|
if(path == "")
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* get --version output */
|
|
|
|
FILE *pipe = popen((path + " --version").c_str(), "r");
|
|
|
|
if(!pipe) {
|
|
|
|
fprintf(stderr, "CUDA: failed to run compiler to retrieve version");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
char buf[128];
|
|
|
|
string output = "";
|
|
|
|
|
|
|
|
while(!feof(pipe))
|
|
|
|
if(fgets(buf, 128, pipe) != NULL)
|
|
|
|
output += buf;
|
|
|
|
|
|
|
|
pclose(pipe);
|
|
|
|
|
|
|
|
/* parse version number */
|
|
|
|
string marker = "Cuda compilation tools, release ";
|
|
|
|
size_t offset = output.find(marker);
|
|
|
|
if(offset == string::npos) {
|
|
|
|
fprintf(stderr, "CUDA: failed to find version number in:\n\n%s\n", output.c_str());
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
string versionstr = output.substr(offset + marker.size(), string::npos);
|
|
|
|
int major, minor;
|
|
|
|
|
|
|
|
if(sscanf(versionstr.c_str(), "%d.%d", &major, &minor) < 2) {
|
|
|
|
fprintf(stderr, "CUDA: failed to parse version number from:\n\n%s\n", output.c_str());
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 10*major + minor;
|
|
|
|
}
|
|
|
|
|
2011-04-27 11:58:34 +00:00
|
|
|
CCL_NAMESPACE_END
|
|
|
|
|