const GrGLInterface* GrGLCreateCommandBufferInterface() {
LoadCommandBufferOnce();
if (!gfFunctionsLoadedSuccessfully) {
return nullptr;
}
return GrGLAssembleGLESInterface(ghLibrary, command_buffer_get_gl_proc);
}
static const GrGLInterface* get_angle_gl_interface() {
ANGLEAssembleContext context;
if (!context.isValid()) {
return nullptr;
}
return GrGLAssembleGLESInterface(&context, angle_get_gl_proc);
}
const GrGLInterface* GrGLAssembleInterface(void* ctx, GrGLGetProc get) {
GET_PROC_LOCAL(GetString);
if (nullptr == GetString) {
return nullptr;
}
const char* verStr = reinterpret_cast<const char*>(GetString(GR_GL_VERSION));
if (nullptr == verStr) {
return nullptr;
}
GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
if (kGLES_GrGLStandard == standard) {
return GrGLAssembleGLESInterface(ctx, get);
} else if (kGL_GrGLStandard == standard) {
return GrGLAssembleGLInterface(ctx, get);
}
return nullptr;
}
const GrGLInterface* GrGLCreateANGLEInterface() {
static Libs gLibs = { nullptr, nullptr };
if (nullptr == gLibs.fGLLib) {
// We load the ANGLE library and never let it go
#if defined _WIN32
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.dll");
gLibs.fEGLLib = DynamicLoadLibrary("libEGL.dll");
#elif defined SK_BUILD_FOR_MAC
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.dylib");
gLibs.fEGLLib = DynamicLoadLibrary("libEGL.dylib");
#else
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.so");
gLibs.fGLLib = DynamicLoadLibrary("libEGL.so");
#endif
}
if (nullptr == gLibs.fGLLib || nullptr == gLibs.fEGLLib) {
// We can't setup the interface correctly w/o the so
return nullptr;
}
return GrGLAssembleGLESInterface(&gLibs, angle_get_gl_proc);
}
