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Merge pull request #2356 from SpecLad:merge-2.4

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This commit is contained in:
Roman Donchenko
2014-02-18 12:14:57 +04:00
committed by OpenCV Buildbot
parent 9885a671ee 029ffb7c2d
commit bcf4307345
22 changed files with 475 additions and 331 deletions
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29
modules/core/src/gl_core_3_1.cpp
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@@ -44,22 +44,27 @@
#include "gl_core_3_1.hpp"
#ifdef HAVE_OPENGL
#if defined(__APPLE__)
#include <mach-o/dyld.h>
#ifdef __APPLE__
#include <dlfcn.h>
static void* AppleGLGetProcAddress (const char* name)
{
static const struct mach_header* image = 0;
if (!image)
image = NSAddImage("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
static bool initialized = false;
static void * handle = NULL;
if (!handle)
{
if (!initialized)
{
initialized = true;
const char * const path = "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL";
// prepend a '_' for the Unix C symbol mangling convention
String symbolName = "_";
symbolName += String(name);
NSSymbol symbol = image ? NSLookupSymbolInImage(image, &symbolName[0], NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR) : 0;
return symbol ? NSAddressOfSymbol(symbol) : 0;
handle = dlopen(path, RTLD_LAZY | RTLD_GLOBAL);
}
if (!handle)
return NULL;
}
return dlsym(handle, name);
}
#endif // __APPLE__