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clew.c
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clew.c
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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"
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define VC_EXTRALEAN
#include <windows.h>
typedef HMODULE CLEW_DYNLIB_HANDLE;
#define CLEW_DYNLIB_OPEN LoadLibrary
#define CLEW_DYNLIB_CLOSE FreeLibrary
#define CLEW_DYNLIB_IMPORT GetProcAddress
#else
#include <dlfcn.h>
typedef void* CLEW_DYNLIB_HANDLE;
#define CLEW_DYNLIB_OPEN(path) dlopen(path, RTLD_NOW | RTLD_GLOBAL)
#define CLEW_DYNLIB_CLOSE dlclose
#define CLEW_DYNLIB_IMPORT dlsym
#endif
#include <stdlib.h>
//! \brief module handle
static CLEW_DYNLIB_HANDLE module = NULL;
// Variables holding function entry points
PFNCLGETPLATFORMIDS __clewGetPlatformIDs = NULL;
PFNCLGETPLATFORMINFO __clewGetPlatformInfo = NULL;
PFNCLGETDEVICEIDS __clewGetDeviceIDs = NULL;
PFNCLGETDEVICEINFO __clewGetDeviceInfo = NULL;
PFNCLCREATECONTEXT __clewCreateContext = NULL;
PFNCLCREATECONTEXTFROMTYPE __clewCreateContextFromType = NULL;
PFNCLRETAINCONTEXT __clewRetainContext = NULL;
PFNCLRELEASECONTEXT __clewReleaseContext = NULL;
PFNCLGETCONTEXTINFO __clewGetContextInfo = NULL;
PFNCLCREATECOMMANDQUEUE __clewCreateCommandQueue = NULL;
PFNCLRETAINCOMMANDQUEUE __clewRetainCommandQueue = NULL;
PFNCLRELEASECOMMANDQUEUE __clewReleaseCommandQueue = NULL;
PFNCLGETCOMMANDQUEUEINFO __clewGetCommandQueueInfo = NULL;
#ifdef CL_USE_DEPRECATED_OPENCL_1_0_APIS
PFNCLSETCOMMANDQUEUEPROPERTY __clewSetCommandQueueProperty = NULL;
#endif
PFNCLCREATEBUFFER __clewCreateBuffer = NULL;
PFNCLCREATESUBBUFFER __clewCreateSubBuffer = NULL;
PFNCLCREATEIMAGE2D __clewCreateImage2D = NULL;
PFNCLCREATEIMAGE3D __clewCreateImage3D = NULL;
PFNCLRETAINMEMOBJECT __clewRetainMemObject = NULL;
PFNCLRELEASEMEMOBJECT __clewReleaseMemObject = NULL;
PFNCLGETSUPPORTEDIMAGEFORMATS __clewGetSupportedImageFormats = NULL;
PFNCLGETMEMOBJECTINFO __clewGetMemObjectInfo = NULL;
PFNCLGETIMAGEINFO __clewGetImageInfo = NULL;
PFNCLSETMEMOBJECTDESTRUCTORCALLBACK __clewSetMemObjectDestructorCallback = NULL;
PFNCLCREATESAMPLER __clewCreateSampler = NULL;
PFNCLRETAINSAMPLER __clewRetainSampler = NULL;
PFNCLRELEASESAMPLER __clewReleaseSampler = NULL;
PFNCLGETSAMPLERINFO __clewGetSamplerInfo = NULL;
PFNCLCREATEPROGRAMWITHSOURCE __clewCreateProgramWithSource = NULL;
PFNCLCREATEPROGRAMWITHBINARY __clewCreateProgramWithBinary = NULL;
PFNCLRETAINPROGRAM __clewRetainProgram = NULL;
PFNCLRELEASEPROGRAM __clewReleaseProgram = NULL;
PFNCLBUILDPROGRAM __clewBuildProgram = NULL;
PFNCLUNLOADCOMPILER __clewUnloadCompiler = NULL;
PFNCLGETPROGRAMINFO __clewGetProgramInfo = NULL;
PFNCLGETPROGRAMBUILDINFO __clewGetProgramBuildInfo = NULL;
PFNCLCREATEKERNEL __clewCreateKernel = NULL;
PFNCLCREATEKERNELSINPROGRAM __clewCreateKernelsInProgram = NULL;
PFNCLRETAINKERNEL __clewRetainKernel = NULL;
PFNCLRELEASEKERNEL __clewReleaseKernel = NULL;
PFNCLSETKERNELARG __clewSetKernelArg = NULL;
PFNCLGETKERNELINFO __clewGetKernelInfo = NULL;
PFNCLGETKERNELWORKGROUPINFO __clewGetKernelWorkGroupInfo = NULL;
PFNCLWAITFOREVENTS __clewWaitForEvents = NULL;
PFNCLGETEVENTINFO __clewGetEventInfo = NULL;
PFNCLCREATEUSEREVENT __clewCreateUserEvent = NULL;
PFNCLRETAINEVENT __clewRetainEvent = NULL;
PFNCLRELEASEEVENT __clewReleaseEvent = NULL;
PFNCLSETUSEREVENTSTATUS __clewSetUserEventStatus = NULL;
PFNCLSETEVENTCALLBACK __clewSetEventCallback = NULL;
PFNCLGETEVENTPROFILINGINFO __clewGetEventProfilingInfo = NULL;
PFNCLFLUSH __clewFlush = NULL;
PFNCLFINISH __clewFinish = NULL;
PFNCLENQUEUEREADBUFFER __clewEnqueueReadBuffer = NULL;
PFNCLENQUEUEREADBUFFERRECT __clewEnqueueReadBufferRect = NULL;
PFNCLENQUEUEWRITEBUFFER __clewEnqueueWriteBuffer = NULL;
PFNCLENQUEUEWRITEBUFFERRECT __clewEnqueueWriteBufferRect = NULL;
PFNCLENQUEUECOPYBUFFER __clewEnqueueCopyBuffer = NULL;
PFNCLENQUEUEREADIMAGE __clewEnqueueReadImage = NULL;
PFNCLENQUEUEWRITEIMAGE __clewEnqueueWriteImage = NULL;
PFNCLENQUEUECOPYIMAGE __clewEnqueueCopyImage = NULL;
PFNCLENQUEUECOPYBUFFERRECT __clewEnqueueCopyBufferRect = NULL;
PFNCLENQUEUECOPYIMAGETOBUFFER __clewEnqueueCopyImageToBuffer = NULL;
PFNCLENQUEUECOPYBUFFERTOIMAGE __clewEnqueueCopyBufferToImage = NULL;
PFNCLENQUEUEMAPBUFFER __clewEnqueueMapBuffer = NULL;
PFNCLENQUEUEMAPIMAGE __clewEnqueueMapImage = NULL;
PFNCLENQUEUEUNMAPMEMOBJECT __clewEnqueueUnmapMemObject = NULL;
PFNCLENQUEUENDRANGEKERNEL __clewEnqueueNDRangeKernel = NULL;
PFNCLENQUEUETASK __clewEnqueueTask = NULL;
PFNCLENQUEUENATIVEKERNEL __clewEnqueueNativeKernel = NULL;
PFNCLENQUEUEMARKER __clewEnqueueMarker = NULL;
PFNCLENQUEUEWAITFOREVENTS __clewEnqueueWaitForEvents = NULL;
PFNCLENQUEUEBARRIER __clewEnqueueBarrier = NULL;
PFNCLGETEXTENSIONFUNCTIONADDRESS __clewGetExtensionFunctionAddress = NULL;
static void clewExit(void)
{
if (module != NULL)
{
// Ignore errors
CLEW_DYNLIB_CLOSE(module);
module = NULL;
}
}
int clewInit(const char* path)
{
int error = 0;
// Check if already initialized
if (module != NULL)
{
return CLEW_SUCCESS;
}
// Load library
module = CLEW_DYNLIB_OPEN(path);
// Check for errors
if (module == NULL)
{
return CLEW_ERROR_OPEN_FAILED;
}
// Set unloading
error = atexit(clewExit);
if (error)
{
// Failure queuing atexit, shutdown with error
CLEW_DYNLIB_CLOSE(module);
module = NULL;
return CLEW_ERROR_ATEXIT_FAILED;
}
// Determine function entry-points
__clewGetPlatformIDs = (PFNCLGETPLATFORMIDS )CLEW_DYNLIB_IMPORT(module, "clGetPlatformIDs");
__clewGetPlatformInfo = (PFNCLGETPLATFORMINFO )CLEW_DYNLIB_IMPORT(module, "clGetPlatformInfo");
__clewGetDeviceIDs = (PFNCLGETDEVICEIDS )CLEW_DYNLIB_IMPORT(module, "clGetDeviceIDs");
__clewGetDeviceInfo = (PFNCLGETDEVICEINFO )CLEW_DYNLIB_IMPORT(module, "clGetDeviceInfo");
__clewCreateContext = (PFNCLCREATECONTEXT )CLEW_DYNLIB_IMPORT(module, "clCreateContext");
__clewCreateContextFromType = (PFNCLCREATECONTEXTFROMTYPE )CLEW_DYNLIB_IMPORT(module, "clCreateContextFromType");
__clewRetainContext = (PFNCLRETAINCONTEXT )CLEW_DYNLIB_IMPORT(module, "clRetainContext");
__clewReleaseContext = (PFNCLRELEASECONTEXT )CLEW_DYNLIB_IMPORT(module, "clReleaseContext");
__clewGetContextInfo = (PFNCLGETCONTEXTINFO )CLEW_DYNLIB_IMPORT(module, "clGetContextInfo");
__clewCreateCommandQueue = (PFNCLCREATECOMMANDQUEUE )CLEW_DYNLIB_IMPORT(module, "clCreateCommandQueue");
__clewRetainCommandQueue = (PFNCLRETAINCOMMANDQUEUE )CLEW_DYNLIB_IMPORT(module, "clRetainCommandQueue");
__clewReleaseCommandQueue = (PFNCLRELEASECOMMANDQUEUE )CLEW_DYNLIB_IMPORT(module, "clReleaseCommandQueue");
__clewGetCommandQueueInfo = (PFNCLGETCOMMANDQUEUEINFO )CLEW_DYNLIB_IMPORT(module, "clGetCommandQueueInfo");
#ifdef CL_USE_DEPRECATED_OPENCL_1_0_APIS
__clewSetCommandQueueProperty = (PFNCLSETCOMMANDQUEUEPROPERTY )CLEW_DYNLIB_IMPORT(module, "clSetCommandQueueProperty");
#endif
__clewCreateBuffer = (PFNCLCREATEBUFFER )CLEW_DYNLIB_IMPORT(module, "clCreateBuffer");
__clewCreateSubBuffer = (PFNCLCREATESUBBUFFER )CLEW_DYNLIB_IMPORT(module, "clCreateBuffer");
__clewCreateImage2D = (PFNCLCREATEIMAGE2D )CLEW_DYNLIB_IMPORT(module, "clCreateImage2D");
__clewCreateImage3D = (PFNCLCREATEIMAGE3D )CLEW_DYNLIB_IMPORT(module, "clCreateImage3D");
__clewRetainMemObject = (PFNCLRETAINMEMOBJECT )CLEW_DYNLIB_IMPORT(module, "clRetainMemObject");
__clewReleaseMemObject = (PFNCLRELEASEMEMOBJECT )CLEW_DYNLIB_IMPORT(module, "clReleaseMemObject");
__clewGetSupportedImageFormats = (PFNCLGETSUPPORTEDIMAGEFORMATS )CLEW_DYNLIB_IMPORT(module, "clGetSupportedImageFormats");
__clewGetMemObjectInfo = (PFNCLGETMEMOBJECTINFO )CLEW_DYNLIB_IMPORT(module, "clGetMemObjectInfo");
__clewGetImageInfo = (PFNCLGETIMAGEINFO )CLEW_DYNLIB_IMPORT(module, "clGetImageInfo");
__clewSetMemObjectDestructorCallback = (PFNCLSETMEMOBJECTDESTRUCTORCALLBACK)CLEW_DYNLIB_IMPORT(module, "clSetMemObjectDestructorCallback");
__clewCreateSampler = (PFNCLCREATESAMPLER )CLEW_DYNLIB_IMPORT(module, "clCreateSampler");
__clewRetainSampler = (PFNCLRETAINSAMPLER )CLEW_DYNLIB_IMPORT(module, "clRetainSampler");
__clewReleaseSampler = (PFNCLRELEASESAMPLER )CLEW_DYNLIB_IMPORT(module, "clReleaseSampler");
__clewGetSamplerInfo = (PFNCLGETSAMPLERINFO )CLEW_DYNLIB_IMPORT(module, "clGetSamplerInfo");
__clewCreateProgramWithSource = (PFNCLCREATEPROGRAMWITHSOURCE )CLEW_DYNLIB_IMPORT(module, "clCreateProgramWithSource");
__clewCreateProgramWithBinary = (PFNCLCREATEPROGRAMWITHBINARY )CLEW_DYNLIB_IMPORT(module, "clCreateProgramWithBinary");
__clewRetainProgram = (PFNCLRETAINPROGRAM )CLEW_DYNLIB_IMPORT(module, "clRetainProgram");
__clewReleaseProgram = (PFNCLRELEASEPROGRAM )CLEW_DYNLIB_IMPORT(module, "clReleaseProgram");
__clewBuildProgram = (PFNCLBUILDPROGRAM )CLEW_DYNLIB_IMPORT(module, "clBuildProgram");
__clewUnloadCompiler = (PFNCLUNLOADCOMPILER )CLEW_DYNLIB_IMPORT(module, "clUnloadCompiler");
__clewGetProgramInfo = (PFNCLGETPROGRAMINFO )CLEW_DYNLIB_IMPORT(module, "clGetProgramInfo");
__clewGetProgramBuildInfo = (PFNCLGETPROGRAMBUILDINFO )CLEW_DYNLIB_IMPORT(module, "clGetProgramBuildInfo");
__clewCreateKernel = (PFNCLCREATEKERNEL )CLEW_DYNLIB_IMPORT(module, "clCreateKernel");
__clewCreateKernelsInProgram = (PFNCLCREATEKERNELSINPROGRAM )CLEW_DYNLIB_IMPORT(module, "clCreateKernelsInProgram");
__clewRetainKernel = (PFNCLRETAINKERNEL )CLEW_DYNLIB_IMPORT(module, "clRetainKernel");
__clewReleaseKernel = (PFNCLRELEASEKERNEL )CLEW_DYNLIB_IMPORT(module, "clReleaseKernel");
__clewSetKernelArg = (PFNCLSETKERNELARG )CLEW_DYNLIB_IMPORT(module, "clSetKernelArg");
__clewGetKernelInfo = (PFNCLGETKERNELINFO )CLEW_DYNLIB_IMPORT(module, "clGetKernelInfo");
__clewGetKernelWorkGroupInfo = (PFNCLGETKERNELWORKGROUPINFO )CLEW_DYNLIB_IMPORT(module, "clGetKernelWorkGroupInfo");
__clewWaitForEvents = (PFNCLWAITFOREVENTS )CLEW_DYNLIB_IMPORT(module, "clWaitForEvents");
__clewGetEventInfo = (PFNCLGETEVENTINFO )CLEW_DYNLIB_IMPORT(module, "clGetEventInfo");
__clewCreateUserEvent = (PFNCLCREATEUSEREVENT )CLEW_DYNLIB_IMPORT(module, "clCreateUserEvent");
__clewRetainEvent = (PFNCLRETAINEVENT )CLEW_DYNLIB_IMPORT(module, "clRetainEvent");
__clewReleaseEvent = (PFNCLRELEASEEVENT )CLEW_DYNLIB_IMPORT(module, "clReleaseEvent");
__clewSetUserEventStatus = (PFNCLSETUSEREVENTSTATUS )CLEW_DYNLIB_IMPORT(module, "clSetUserEventStatus");
__clewSetEventCallback = (PFNCLSETEVENTCALLBACK )CLEW_DYNLIB_IMPORT(module, "clSetEventCallback");
__clewGetEventProfilingInfo = (PFNCLGETEVENTPROFILINGINFO )CLEW_DYNLIB_IMPORT(module, "clGetEventProfilingInfo");
__clewFlush = (PFNCLFLUSH )CLEW_DYNLIB_IMPORT(module, "clFlush");
__clewFinish = (PFNCLFINISH )CLEW_DYNLIB_IMPORT(module, "clFinish");
__clewEnqueueReadBuffer = (PFNCLENQUEUEREADBUFFER )CLEW_DYNLIB_IMPORT(module, "clEnqueueReadBuffer");
__clewEnqueueReadBufferRect = (PFNCLENQUEUEREADBUFFERRECT )CLEW_DYNLIB_IMPORT(module, "clEnqueueReadBufferRect");
__clewEnqueueWriteBuffer = (PFNCLENQUEUEWRITEBUFFER )CLEW_DYNLIB_IMPORT(module, "clEnqueueWriteBuffer");
__clewEnqueueWriteBufferRect = (PFNCLENQUEUEWRITEBUFFERRECT )CLEW_DYNLIB_IMPORT(module, "clEnqueueWriteBufferRect");
__clewEnqueueCopyBuffer = (PFNCLENQUEUECOPYBUFFER )CLEW_DYNLIB_IMPORT(module, "clEnqueueCopyBuffer");
__clewEnqueueCopyBufferRect = (PFNCLENQUEUECOPYBUFFERRECT )CLEW_DYNLIB_IMPORT(module, "clEnqueueCopyBufferRect");
__clewEnqueueReadImage = (PFNCLENQUEUEREADIMAGE )CLEW_DYNLIB_IMPORT(module, "clEnqueueReadImage");
__clewEnqueueWriteImage = (PFNCLENQUEUEWRITEIMAGE )CLEW_DYNLIB_IMPORT(module, "clEnqueueWriteImage");
__clewEnqueueCopyImage = (PFNCLENQUEUECOPYIMAGE )CLEW_DYNLIB_IMPORT(module, "clEnqueueCopyImage");
__clewEnqueueCopyImageToBuffer = (PFNCLENQUEUECOPYIMAGETOBUFFER )CLEW_DYNLIB_IMPORT(module, "clEnqueueCopyImageToBuffer");
__clewEnqueueCopyBufferToImage = (PFNCLENQUEUECOPYBUFFERTOIMAGE )CLEW_DYNLIB_IMPORT(module, "clEnqueueCopyBufferToImage");
__clewEnqueueMapBuffer = (PFNCLENQUEUEMAPBUFFER )CLEW_DYNLIB_IMPORT(module, "clEnqueueMapBuffer");
__clewEnqueueMapImage = (PFNCLENQUEUEMAPIMAGE )CLEW_DYNLIB_IMPORT(module, "clEnqueueMapImage");
__clewEnqueueUnmapMemObject = (PFNCLENQUEUEUNMAPMEMOBJECT )CLEW_DYNLIB_IMPORT(module, "clEnqueueUnmapMemObject");
__clewEnqueueNDRangeKernel = (PFNCLENQUEUENDRANGEKERNEL )CLEW_DYNLIB_IMPORT(module, "clEnqueueNDRangeKernel");
__clewEnqueueTask = (PFNCLENQUEUETASK )CLEW_DYNLIB_IMPORT(module, "clEnqueueTask");
__clewEnqueueNativeKernel = (PFNCLENQUEUENATIVEKERNEL )CLEW_DYNLIB_IMPORT(module, "clEnqueueNativeKernel");
__clewEnqueueMarker = (PFNCLENQUEUEMARKER )CLEW_DYNLIB_IMPORT(module, "clEnqueueMarker");
__clewEnqueueWaitForEvents = (PFNCLENQUEUEWAITFOREVENTS )CLEW_DYNLIB_IMPORT(module, "clEnqueueWaitForEvents");
__clewEnqueueBarrier = (PFNCLENQUEUEBARRIER )CLEW_DYNLIB_IMPORT(module, "clEnqueueBarrier");
__clewGetExtensionFunctionAddress = (PFNCLGETEXTENSIONFUNCTIONADDRESS )CLEW_DYNLIB_IMPORT(module, "clGetExtensionFunctionAddress");
return CLEW_SUCCESS;
}
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];
}