/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#if defined(SK_BUILD_FOR_MAC)
#include "gl/GrGLInterface.h"
#include "gl/GrGLAssembleInterface.h"
#include <dlfcn.h>
class GLLoader {
public:
GLLoader() {
fLibrary = dlopen(
"/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib",
RTLD_LAZY);
}
~GLLoader() {
if (fLibrary) {
dlclose(fLibrary);
}
}
void* handle() const {
return nullptr == fLibrary ? RTLD_DEFAULT : fLibrary;
}
private:
void* fLibrary;
};
class GLProcGetter {
public:
GLProcGetter() {}
GrGLFuncPtr getProc(const char name[]) const {
return (GrGLFuncPtr) dlsym(fLoader.handle(), name);
}
private:
GLLoader fLoader;
};
static GrGLFuncPtr mac_get_gl_proc(void* ctx, const char name[]) {
SkASSERT(ctx);
const GLProcGetter* getter = (const GLProcGetter*) ctx;
return getter->getProc(name);
}
sk_sp<const GrGLInterface> GrGLMakeNativeInterface() {
GLProcGetter getter;
return GrGLMakeAssembledGLInterface(&getter, mac_get_gl_proc);
}
const GrGLInterface* GrGLCreateNativeInterface() { return GrGLMakeNativeInterface().release(); }
#endif//defined(SK_BUILD_FOR_MAC)