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//////////////////////////////////////////////////////////////////////////
// Copyright (c) 2009 Organic Vectory B.V.
// Written by George van Venrooij
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file license.txt)
//////////////////////////////////////////////////////////////////////////
#include "clew.h"
//! \file clew.c
//! \brief OpenCL run-time loader source
#ifndef CLCC_GENERATE_DOCUMENTATION
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define VC_EXTRALEAN
#include <windows.h>
typedef HMODULE CLCC_DYNLIB_HANDLE;
#define CLCC_DYNLIB_OPEN LoadLibrary
#define CLCC_DYNLIB_CLOSE FreeLibrary
#define CLCC_DYNLIB_IMPORT GetProcAddress
#else
#include <dlfcn.h>
typedef void* CLCC_DYNLIB_HANDLE;
#define CLCC_DYNLIB_OPEN(path) dlopen(path, RTLD_NOW | RTLD_GLOBAL)
#define CLCC_DYNLIB_CLOSE dlclose
#define CLCC_DYNLIB_IMPORT dlsym
#endif
#else
//typedef implementation_defined CLCC_DYNLIB_HANDLE;
//#define CLCC_DYNLIB_OPEN(path) implementation_defined
//#define CLCC_DYNLIB_CLOSE implementation_defined
//#define CLCC_DYNLIB_IMPORT implementation_defined
#endif
#include <stdlib.h>
//! \brief module handle
static CLCC_DYNLIB_HANDLE module = NULL;
// Variables holding function entry points
#ifndef CLCC_GENERATE_DOCUMENTATION
PFNCLGETPLATFORMIDS __oclGetPlatformIDs = NULL;
PFNCLGETPLATFORMINFO __oclGetPlatformInfo = NULL;
PFNCLGETDEVICEIDS __oclGetDeviceIDs = NULL;
PFNCLGETDEVICEINFO __oclGetDeviceInfo = NULL;
PFNCLCREATECONTEXT __oclCreateContext = NULL;
PFNCLCREATECONTEXTFROMTYPE __oclCreateContextFromType = NULL;
PFNCLRETAINCONTEXT __oclRetainContext = NULL;
PFNCLRELEASECONTEXT __oclReleaseContext = NULL;
PFNCLGETCONTEXTINFO __oclGetContextInfo = NULL;
PFNCLCREATECOMMANDQUEUE __oclCreateCommandQueue = NULL;
PFNCLRETAINCOMMANDQUEUE __oclRetainCommandQueue = NULL;
PFNCLRELEASECOMMANDQUEUE __oclReleaseCommandQueue = NULL;
PFNCLGETCOMMANDQUEUEINFO __oclGetCommandQueueInfo = NULL;
PFNCLSETCOMMANDQUEUEPROPERTY __oclSetCommandQueueProperty = NULL;
PFNCLCREATEBUFFER __oclCreateBuffer = NULL;
PFNCLCREATEIMAGE2D __oclCreateImage2D = NULL;
PFNCLCREATEIMAGE3D __oclCreateImage3D = NULL;
PFNCLRETAINMEMOBJECT __oclRetainMemObject = NULL;
PFNCLRELEASEMEMOBJECT __oclReleaseMemObject = NULL;
PFNCLGETSUPPORTEDIMAGEFORMATS __oclGetSupportedImageFormats = NULL;
PFNCLGETMEMOBJECTINFO __oclGetMemObjectInfo = NULL;
PFNCLGETIMAGEINFO __oclGetImageInfo = NULL;
PFNCLCREATESAMPLER __oclCreateSampler = NULL;
PFNCLRETAINSAMPLER __oclRetainSampler = NULL;
PFNCLRELEASESAMPLER __oclReleaseSampler = NULL;
PFNCLGETSAMPLERINFO __oclGetSamplerInfo = NULL;
PFNCLCREATEPROGRAMWITHSOURCE __oclCreateProgramWithSource = NULL;
PFNCLCREATEPROGRAMWITHBINARY __oclCreateProgramWithBinary = NULL;
PFNCLRETAINPROGRAM __oclRetainProgram = NULL;
PFNCLRELEASEPROGRAM __oclReleaseProgram = NULL;
PFNCLBUILDPROGRAM __oclBuildProgram = NULL;
PFNCLUNLOADCOMPILER __oclUnloadCompiler = NULL;
PFNCLGETPROGRAMINFO __oclGetProgramInfo = NULL;
PFNCLGETPROGRAMBUILDINFO __oclGetProgramBuildInfo = NULL;
PFNCLCREATEKERNEL __oclCreateKernel = NULL;
PFNCLCREATEKERNELSINPROGRAM __oclCreateKernelsInProgram = NULL;
PFNCLRETAINKERNEL __oclRetainKernel = NULL;
PFNCLRELEASEKERNEL __oclReleaseKernel = NULL;
PFNCLSETKERNELARG __oclSetKernelArg = NULL;
PFNCLGETKERNELINFO __oclGetKernelInfo = NULL;
PFNCLGETKERNELWORKGROUPINFO __oclGetKernelWorkGroupInfo = NULL;
PFNCLWAITFOREVENTS __oclWaitForEvents = NULL;
PFNCLGETEVENTINFO __oclGetEventInfo = NULL;
PFNCLRETAINEVENT __oclRetainEvent = NULL;
PFNCLRELEASEEVENT __oclReleaseEvent = NULL;
PFNCLGETEVENTPROFILINGINFO __oclGetEventProfilingInfo = NULL;
PFNCLFLUSH __oclFlush = NULL;
PFNCLFINISH __oclFinish = NULL;
PFNCLENQUEUEREADBUFFER __oclEnqueueReadBuffer = NULL;
PFNCLENQUEUEWRITEBUFFER __oclEnqueueWriteBuffer = NULL;
PFNCLENQUEUECOPYBUFFER __oclEnqueueCopyBuffer = NULL;
PFNCLENQUEUEREADIMAGE __oclEnqueueReadImage = NULL;
PFNCLENQUEUEWRITEIMAGE __oclEnqueueWriteImage = NULL;
PFNCLENQUEUECOPYIMAGE __oclEnqueueCopyImage = NULL;
PFNCLENQUEUECOPYIMAGETOBUFFER __oclEnqueueCopyImageToBuffer = NULL;
PFNCLENQUEUECOPYBUFFERTOIMAGE __oclEnqueueCopyBufferToImage = NULL;
PFNCLENQUEUEMAPBUFFER __oclEnqueueMapBuffer = NULL;
PFNCLENQUEUEMAPIMAGE __oclEnqueueMapImage = NULL;
PFNCLENQUEUEUNMAPMEMOBJECT __oclEnqueueUnmapMemObject = NULL;
PFNCLENQUEUENDRANGEKERNEL __oclEnqueueNDRangeKernel = NULL;
PFNCLENQUEUETASK __oclEnqueueTask = NULL;
PFNCLENQUEUENATIVEKERNEL __oclEnqueueNativeKernel = NULL;
PFNCLENQUEUEMARKER __oclEnqueueMarker = NULL;
PFNCLENQUEUEWAITFOREVENTS __oclEnqueueWaitForEvents = NULL;
PFNCLENQUEUEBARRIER __oclEnqueueBarrier = NULL;
PFNCLGETEXTENSIONFUNCTIONADDRESS __oclGetExtensionFunctionAddress = NULL;
#endif // CLCC_GENERATE_DOCUMENTATION
//! \brief Unloads OpenCL dynamic library, should not be called directly
static void clewExit(void)
{
if (module != NULL)
{
// Ignore errors
CLCC_DYNLIB_CLOSE(module);
module = NULL;
}
}
//! \param path path to dynamic library to load
//! \return CLEW_ERROR_OPEN_FAILED if the library could not be opened
//! CLEW_ERROR_ATEXIT_FAILED if atexit(clewExit) failed
//! CLEW_SUCCESS when the library was succesfully loaded
int clewInit(const char* path)
{
int error = 0;
// Check if already initialized
if (module != NULL)
{
return CLEW_SUCCESS;
}
// Load library
module = CLCC_DYNLIB_OPEN(path);
// Check for errors
if (module == NULL)
{
return CLEW_ERROR_OPEN_FAILED;
}
// Set unloading
error = atexit(clewExit);
if (error)
{
// Failure queing atexit, shutdown with error
CLCC_DYNLIB_CLOSE(module);
module = NULL;
return CLEW_ERROR_ATEXIT_FAILED;
}
// Determine function entry-points
__oclGetPlatformIDs = (PFNCLGETPLATFORMIDS )CLCC_DYNLIB_IMPORT(module, "clGetPlatformIDs");
__oclGetPlatformInfo = (PFNCLGETPLATFORMINFO )CLCC_DYNLIB_IMPORT(module, "clGetPlatformInfo");
__oclGetDeviceIDs = (PFNCLGETDEVICEIDS )CLCC_DYNLIB_IMPORT(module, "clGetDeviceIDs");
__oclGetDeviceInfo = (PFNCLGETDEVICEINFO )CLCC_DYNLIB_IMPORT(module, "clGetDeviceInfo");
__oclCreateContext = (PFNCLCREATECONTEXT )CLCC_DYNLIB_IMPORT(module, "clCreateContext");
__oclCreateContextFromType = (PFNCLCREATECONTEXTFROMTYPE )CLCC_DYNLIB_IMPORT(module, "clCreateContextFromType");
__oclRetainContext = (PFNCLRETAINCONTEXT )CLCC_DYNLIB_IMPORT(module, "clRetainContext");
__oclReleaseContext = (PFNCLRELEASECONTEXT )CLCC_DYNLIB_IMPORT(module, "clReleaseContext");
__oclGetContextInfo = (PFNCLGETCONTEXTINFO )CLCC_DYNLIB_IMPORT(module, "clGetContextInfo");
__oclCreateCommandQueue = (PFNCLCREATECOMMANDQUEUE )CLCC_DYNLIB_IMPORT(module, "clCreateCommandQueue");
__oclRetainCommandQueue = (PFNCLRETAINCOMMANDQUEUE )CLCC_DYNLIB_IMPORT(module, "clRetainCommandQueue");
__oclReleaseCommandQueue = (PFNCLRELEASECOMMANDQUEUE )CLCC_DYNLIB_IMPORT(module, "clReleaseCommandQueue");
__oclGetCommandQueueInfo = (PFNCLGETCOMMANDQUEUEINFO )CLCC_DYNLIB_IMPORT(module, "clGetCommandQueueInfo");
__oclSetCommandQueueProperty = (PFNCLSETCOMMANDQUEUEPROPERTY )CLCC_DYNLIB_IMPORT(module, "clSetCommandQueueProperty");
__oclCreateBuffer = (PFNCLCREATEBUFFER )CLCC_DYNLIB_IMPORT(module, "clCreateBuffer");
__oclCreateImage2D = (PFNCLCREATEIMAGE2D )CLCC_DYNLIB_IMPORT(module, "clCreateImage2D");
__oclCreateImage3D = (PFNCLCREATEIMAGE3D )CLCC_DYNLIB_IMPORT(module, "clCreateImage3D");
__oclRetainMemObject = (PFNCLRETAINMEMOBJECT )CLCC_DYNLIB_IMPORT(module, "clRetainMemObject");
__oclReleaseMemObject = (PFNCLRELEASEMEMOBJECT )CLCC_DYNLIB_IMPORT(module, "clReleaseMemObject");
__oclGetSupportedImageFormats = (PFNCLGETSUPPORTEDIMAGEFORMATS )CLCC_DYNLIB_IMPORT(module, "clGetSupportedImageFormats");
__oclGetMemObjectInfo = (PFNCLGETMEMOBJECTINFO )CLCC_DYNLIB_IMPORT(module, "clGetMemObjectInfo");
__oclGetImageInfo = (PFNCLGETIMAGEINFO )CLCC_DYNLIB_IMPORT(module, "clGetImageInfo");
__oclCreateSampler = (PFNCLCREATESAMPLER )CLCC_DYNLIB_IMPORT(module, "clCreateSampler");
__oclRetainSampler = (PFNCLRETAINSAMPLER )CLCC_DYNLIB_IMPORT(module, "clRetainSampler");
__oclReleaseSampler = (PFNCLRELEASESAMPLER )CLCC_DYNLIB_IMPORT(module, "clReleaseSampler");
__oclGetSamplerInfo = (PFNCLGETSAMPLERINFO )CLCC_DYNLIB_IMPORT(module, "clGetSamplerInfo");
__oclCreateProgramWithSource = (PFNCLCREATEPROGRAMWITHSOURCE )CLCC_DYNLIB_IMPORT(module, "clCreateProgramWithSource");
__oclCreateProgramWithBinary = (PFNCLCREATEPROGRAMWITHBINARY )CLCC_DYNLIB_IMPORT(module, "clCreateProgramWithBinary");
__oclRetainProgram = (PFNCLRETAINPROGRAM )CLCC_DYNLIB_IMPORT(module, "clRetainProgram");
__oclReleaseProgram = (PFNCLRELEASEPROGRAM )CLCC_DYNLIB_IMPORT(module, "clReleaseProgram");
__oclBuildProgram = (PFNCLBUILDPROGRAM )CLCC_DYNLIB_IMPORT(module, "clBuildProgram");
__oclUnloadCompiler = (PFNCLUNLOADCOMPILER )CLCC_DYNLIB_IMPORT(module, "clUnloadCompiler");
__oclGetProgramInfo = (PFNCLGETPROGRAMINFO )CLCC_DYNLIB_IMPORT(module, "clGetProgramInfo");
__oclGetProgramBuildInfo = (PFNCLGETPROGRAMBUILDINFO )CLCC_DYNLIB_IMPORT(module, "clGetProgramBuildInfo");
__oclCreateKernel = (PFNCLCREATEKERNEL )CLCC_DYNLIB_IMPORT(module, "clCreateKernel");
__oclCreateKernelsInProgram = (PFNCLCREATEKERNELSINPROGRAM )CLCC_DYNLIB_IMPORT(module, "clCreateKernelsInProgram");
__oclRetainKernel = (PFNCLRETAINKERNEL )CLCC_DYNLIB_IMPORT(module, "clRetainKernel");
__oclReleaseKernel = (PFNCLRELEASEKERNEL )CLCC_DYNLIB_IMPORT(module, "clReleaseKernel");
__oclSetKernelArg = (PFNCLSETKERNELARG )CLCC_DYNLIB_IMPORT(module, "clSetKernelArg");
__oclGetKernelInfo = (PFNCLGETKERNELINFO )CLCC_DYNLIB_IMPORT(module, "clGetKernelInfo");
__oclGetKernelWorkGroupInfo = (PFNCLGETKERNELWORKGROUPINFO )CLCC_DYNLIB_IMPORT(module, "clGetKernelWorkGroupInfo");
__oclWaitForEvents = (PFNCLWAITFOREVENTS )CLCC_DYNLIB_IMPORT(module, "clWaitForEvents");
__oclGetEventInfo = (PFNCLGETEVENTINFO )CLCC_DYNLIB_IMPORT(module, "clGetEventInfo");
__oclRetainEvent = (PFNCLRETAINEVENT )CLCC_DYNLIB_IMPORT(module, "clRetainEvent");
__oclReleaseEvent = (PFNCLRELEASEEVENT )CLCC_DYNLIB_IMPORT(module, "clReleaseEvent");
__oclGetEventProfilingInfo = (PFNCLGETEVENTPROFILINGINFO )CLCC_DYNLIB_IMPORT(module, "clGetEventProfilingInfo");
__oclFlush = (PFNCLFLUSH )CLCC_DYNLIB_IMPORT(module, "clFlush");
__oclFinish = (PFNCLFINISH )CLCC_DYNLIB_IMPORT(module, "clFinish");
__oclEnqueueReadBuffer = (PFNCLENQUEUEREADBUFFER )CLCC_DYNLIB_IMPORT(module, "clEnqueueReadBuffer");
__oclEnqueueWriteBuffer = (PFNCLENQUEUEWRITEBUFFER )CLCC_DYNLIB_IMPORT(module, "clEnqueueWriteBuffer");
__oclEnqueueCopyBuffer = (PFNCLENQUEUECOPYBUFFER )CLCC_DYNLIB_IMPORT(module, "clEnqueueCopyBuffer");
__oclEnqueueReadImage = (PFNCLENQUEUEREADIMAGE )CLCC_DYNLIB_IMPORT(module, "clEnqueueReadImage");
__oclEnqueueWriteImage = (PFNCLENQUEUEWRITEIMAGE )CLCC_DYNLIB_IMPORT(module, "clEnqueueWriteImage");
__oclEnqueueCopyImage = (PFNCLENQUEUECOPYIMAGE )CLCC_DYNLIB_IMPORT(module, "clEnqueueCopyImage");
__oclEnqueueCopyImageToBuffer = (PFNCLENQUEUECOPYIMAGETOBUFFER )CLCC_DYNLIB_IMPORT(module, "clEnqueueCopyImageToBuffer");
__oclEnqueueCopyBufferToImage = (PFNCLENQUEUECOPYBUFFERTOIMAGE )CLCC_DYNLIB_IMPORT(module, "clEnqueueCopyBufferToImage");
__oclEnqueueMapBuffer = (PFNCLENQUEUEMAPBUFFER )CLCC_DYNLIB_IMPORT(module, "clEnqueueMapBuffer");
__oclEnqueueMapImage = (PFNCLENQUEUEMAPIMAGE )CLCC_DYNLIB_IMPORT(module, "clEnqueueMapImage");
__oclEnqueueUnmapMemObject = (PFNCLENQUEUEUNMAPMEMOBJECT )CLCC_DYNLIB_IMPORT(module, "clEnqueueUnmapMemObject");
__oclEnqueueNDRangeKernel = (PFNCLENQUEUENDRANGEKERNEL )CLCC_DYNLIB_IMPORT(module, "clEnqueueNDRangeKernel");
__oclEnqueueTask = (PFNCLENQUEUETASK )CLCC_DYNLIB_IMPORT(module, "clEnqueueTask");
__oclEnqueueNativeKernel = (PFNCLENQUEUENATIVEKERNEL )CLCC_DYNLIB_IMPORT(module, "clEnqueueNativeKernel");
__oclEnqueueMarker = (PFNCLENQUEUEMARKER )CLCC_DYNLIB_IMPORT(module, "clEnqueueMarker");
__oclEnqueueWaitForEvents = (PFNCLENQUEUEWAITFOREVENTS )CLCC_DYNLIB_IMPORT(module, "clEnqueueWaitForEvents");
__oclEnqueueBarrier = (PFNCLENQUEUEBARRIER )CLCC_DYNLIB_IMPORT(module, "clEnqueueBarrier");
__oclGetExtensionFunctionAddress = (PFNCLGETEXTENSIONFUNCTIONADDRESS )CLCC_DYNLIB_IMPORT(module, "clGetExtensionFunctionAddress");
if(__oclGetPlatformIDs == NULL) return CLEW_ERROR_OPEN_FAILED;
if(__oclGetPlatformInfo == NULL) return CLEW_ERROR_OPEN_FAILED;
if(__oclGetDeviceIDs == NULL) return CLEW_ERROR_OPEN_FAILED;
if(__oclGetDeviceInfo == NULL) return CLEW_ERROR_OPEN_FAILED;
return CLEW_SUCCESS;
}
//! \param error CL error code
//! \return a string representation of the error code
const char* clewErrorString(cl_int error)
{
static const char* strings[] =
{
// Error Codes
"CL_SUCCESS" // 0
, "CL_DEVICE_NOT_FOUND" // -1
, "CL_DEVICE_NOT_AVAILABLE" // -2
, "CL_COMPILER_NOT_AVAILABLE" // -3
, "CL_MEM_OBJECT_ALLOCATION_FAILURE" // -4
, "CL_OUT_OF_RESOURCES" // -5
, "CL_OUT_OF_HOST_MEMORY" // -6
, "CL_PROFILING_INFO_NOT_AVAILABLE" // -7
, "CL_MEM_COPY_OVERLAP" // -8
, "CL_IMAGE_FORMAT_MISMATCH" // -9
, "CL_IMAGE_FORMAT_NOT_SUPPORTED" // -10
, "CL_BUILD_PROGRAM_FAILURE" // -11
, "CL_MAP_FAILURE" // -12
, "" // -13
, "" // -14
, "" // -15
, "" // -16
, "" // -17
, "" // -18
, "" // -19
, "" // -20
, "" // -21
, "" // -22
, "" // -23
, "" // -24
, "" // -25
, "" // -26
, "" // -27
, "" // -28
, "" // -29
, "CL_INVALID_VALUE" // -30
, "CL_INVALID_DEVICE_TYPE" // -31
, "CL_INVALID_PLATFORM" // -32
, "CL_INVALID_DEVICE" // -33
, "CL_INVALID_CONTEXT" // -34
, "CL_INVALID_QUEUE_PROPERTIES" // -35
, "CL_INVALID_COMMAND_QUEUE" // -36
, "CL_INVALID_HOST_PTR" // -37
, "CL_INVALID_MEM_OBJECT" // -38
, "CL_INVALID_IMAGE_FORMAT_DESCRIPTOR" // -39
, "CL_INVALID_IMAGE_SIZE" // -40
, "CL_INVALID_SAMPLER" // -41
, "CL_INVALID_BINARY" // -42
, "CL_INVALID_BUILD_OPTIONS" // -43
, "CL_INVALID_PROGRAM" // -44
, "CL_INVALID_PROGRAM_EXECUTABLE" // -45
, "CL_INVALID_KERNEL_NAME" // -46
, "CL_INVALID_KERNEL_DEFINITION" // -47
, "CL_INVALID_KERNEL" // -48
, "CL_INVALID_ARG_INDEX" // -49
, "CL_INVALID_ARG_VALUE" // -50
, "CL_INVALID_ARG_SIZE" // -51
, "CL_INVALID_KERNEL_ARGS" // -52
, "CL_INVALID_WORK_DIMENSION" // -53
, "CL_INVALID_WORK_GROUP_SIZE" // -54
, "CL_INVALID_WORK_ITEM_SIZE" // -55
, "CL_INVALID_GLOBAL_OFFSET" // -56
, "CL_INVALID_EVENT_WAIT_LIST" // -57
, "CL_INVALID_EVENT" // -58
, "CL_INVALID_OPERATION" // -59
, "CL_INVALID_GL_OBJECT" // -60
, "CL_INVALID_BUFFER_SIZE" // -61
, "CL_INVALID_MIP_LEVEL" // -62
, "CL_INVALID_GLOBAL_WORK_SIZE" // -63
};
return strings[-error];
}
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