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Implemented b3OpenCLUtils::setCachePath

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Also made kernel caching work on Mac OSX (and likely Linux, needs testing before enabling)
This commit is contained in:
Erwin Coumans
2013-06-07 15:04:46 -07:00
parent 9fe48d887d
commit afecad3ee4
3 changed files with 119 additions and 68 deletions
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2
Demos3/GpuDemos/main_opengl3core.cpp
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@@ -409,6 +409,8 @@ void myprintf(const char* msg)
int main(int argc, char* argv[])
{
b3OpenCLUtils::setCachePath("/Users/erwincoumans/develop/mycache");
b3SetCustomPrintfFunc(myprintf);
b3Vector3 test(1,2,3);
test.x = 1;

82
src/Bullet3OpenCL/Initialize/b3OpenCLUtils.cpp
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@@ -13,8 +13,9 @@ subject to the following restrictions:
3. This notice may not be removed or altered from any source distribution.
*/
//original author: Roman Ponomarev
//cleanup by Erwin Coumans
//Original author: Roman Ponomarev
//Mostly Reimplemented by Erwin Coumans
bool gDebugForceLoadingFromSource = false;
bool gDebugSkipLoadingBinary = false;
@@ -40,6 +41,12 @@ bool gDebugSkipLoadingBinary = false;
#include <assert.h>
#define b3Assert assert
#ifdef __APPLE__
#include <sys/stat.h>
#endif
static const char* sCachedBinaryPath="cache";
//Set the preferred platform vendor using the OpenCL SDK
@@ -150,6 +157,11 @@ const char* b3OpenCLUtils_getSdkVendorName()
return spPlatformVendor;
}
void b3OpenCLUtils_setCachePath(const char* path)
{
sCachedBinaryPath = path;
}
cl_platform_id b3OpenCLUtils_getPlatform(int platformIndex0, cl_int* pErrNum)
{
#ifdef B3_USE_CLEW
@@ -590,41 +602,41 @@ cl_program b3OpenCLUtils_compileCLProgramFromString(cl_context clContext, cl_dev
cl_program m_cpProgram=0;
cl_int status;
#ifdef _WIN32
char binaryFileName[B3_MAX_STRING_LENGTH];
char* bla=0;
if (clFileNameForCaching && !(disableBinaryCaching || gDebugSkipLoadingBinary||gDebugForceLoadingFromSource) )
{
char deviceName[256];
char driverVersion[256];
const char* strippedName;
int fileUpToDate = 0;
int binaryFileValid=0;
FILETIME modtimeBinary;
if (clFileNameForCaching)
{
clGetDeviceInfo(device, CL_DEVICE_NAME, 256, &deviceName, NULL);
clGetDeviceInfo(device, CL_DRIVER_VERSION, 256, &driverVersion, NULL);
strippedName = strip2(clFileNameForCaching,"\\");
strippedName = strip2(strippedName,"/");
#ifdef _WIN32
sprintf_s(binaryFileName,B3_MAX_STRING_LENGTH,"%s/%s.%s.%s.bin",sCachedBinaryPath,strippedName, deviceName,driverVersion );
#else
sprintf(binaryFileName,"%s/%s.%s.%s.bin",sCachedBinaryPath,strippedName, deviceName,driverVersion );
#endif
}
if (clFileNameForCaching && !(disableBinaryCaching || gDebugSkipLoadingBinary||gDebugForceLoadingFromSource) )
{
#ifdef _WIN32
sprintf_s(binaryFileName,B3_MAX_STRING_LENGTH,"cache/%s.%s.%s.bin",strippedName, deviceName,driverVersion );
#else
sprintf(binaryFileName,"cache/%s.%s.%s.bin",strippedName, deviceName,driverVersion );
#endif
char* bla=0;
//printf("searching for %s\n", binaryFileName);
CreateDirectory("cache",0);
FILETIME modtimeBinary;
CreateDirectory(sCachedBinaryPath,0);
{
HANDLE binaryFileHandle = CreateFile(binaryFileName,GENERIC_READ,0,0,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0);
@@ -735,6 +747,23 @@ cl_program b3OpenCLUtils_compileCLProgramFromString(cl_context clContext, cl_dev
}
#else
fileUpToDate = true;
#ifdef __APPLE__
if (mkdir(sCachedBinaryPath,0777) == -1)
{
}
else
{
b3Printf("Succesfully created cache directory: %s\n", sCachedBinaryPath);
}
#endif
#endif //_WIN32
}
if( fileUpToDate)
{
#ifdef _WIN32
@@ -774,13 +803,28 @@ cl_program b3OpenCLUtils_compileCLProgramFromString(cl_context clContext, cl_dev
free (build_log);
b3Assert(0);
m_cpProgram = 0;
b3Warning("clBuildProgram reported failure on cached binary: %s\n",binaryFileName);
} else
{
b3Printf("clBuildProgram successfully compiled cached binary: %s\n",binaryFileName);
}
free (binary);
} else
{
b3Warning("Cannot open cached binary: %s\n",binaryFileName);
}
}
}
#endif //_WIN32
if (!m_cpProgram)
{
@@ -875,7 +919,6 @@ cl_program b3OpenCLUtils_compileCLProgramFromString(cl_context clContext, cl_dev
return 0;
}
#ifdef _WIN32
if( clFileNameForCaching )
{ // write to binary
@@ -918,7 +961,6 @@ cl_program b3OpenCLUtils_compileCLProgramFromString(cl_context clContext, cl_dev
free (binary);
}
}
#endif //_WIN32
free(compileFlags);

7
src/Bullet3OpenCL/Initialize/b3OpenCLUtils.h
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@@ -54,6 +54,9 @@ void b3OpenCLUtils_printPlatformInfo(cl_platform_id platform);
const char* b3OpenCLUtils_getSdkVendorName();
///set the path (directory/folder) where the compiled OpenCL kernel are stored
void b3OpenCLUtils_setCachePath(const char* path);
cl_context b3OpenCLUtils_createContextFromPlatform(cl_platform_id platform, cl_device_type deviceType, cl_int* pErrNum, void* pGLCtx , void* pGLDC ,int preferredDeviceIndex , int preferredPlatformIndex);
#ifdef __cplusplus
@@ -173,6 +176,10 @@ struct b3OpenCLUtils
{
return b3OpenCLUtils_createContextFromPlatform(platform, deviceType, pErrNum, pGLCtx,pGLDC,preferredDeviceIndex, preferredPlatformIndex);
}
static void setCachePath(const char* path)
{
b3OpenCLUtils_setCachePath(path);
}
};
#endif //__cplusplus