int
X11_GLES_LoadLibrary(_THIS, const char *path) {
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
/* If the profile requested is not GL ES, switch over to X11_GL functions */
if (_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) {
#if SDL_VIDEO_OPENGL_GLX
X11_GLES_UnloadLibrary(_this);
_this->GL_LoadLibrary = X11_GL_LoadLibrary;
_this->GL_GetProcAddress = X11_GL_GetProcAddress;
_this->GL_UnloadLibrary = X11_GL_UnloadLibrary;
_this->GL_CreateContext = X11_GL_CreateContext;
_this->GL_MakeCurrent = X11_GL_MakeCurrent;
_this->GL_SetSwapInterval = X11_GL_SetSwapInterval;
_this->GL_GetSwapInterval = X11_GL_GetSwapInterval;
_this->GL_SwapWindow = X11_GL_SwapWindow;
_this->GL_DeleteContext = X11_GL_DeleteContext;
return X11_GL_LoadLibrary(_this, path);
#else
return SDL_SetError("SDL not configured with OpenGL/GLX support");
#endif
}
return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display);
}
void
X11_GLES_DeleteContext(_THIS, SDL_GLContext context)
{
/* Clean up GLES and EGL */
if (_this->gles_data->egl_context != EGL_NO_CONTEXT ||
_this->gles_data->egl_surface != EGL_NO_SURFACE) {
_this->gles_data->eglMakeCurrent(_this->gles_data->egl_display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
if (_this->gles_data->egl_context != EGL_NO_CONTEXT) {
_this->gles_data->eglDestroyContext(_this->gles_data->egl_display,
_this->gles_data->
egl_context);
_this->gles_data->egl_context = EGL_NO_CONTEXT;
}
if (_this->gles_data->egl_surface != EGL_NO_SURFACE) {
_this->gles_data->eglDestroySurface(_this->gles_data->egl_display,
_this->gles_data->
egl_surface);
_this->gles_data->egl_surface = EGL_NO_SURFACE;
}
}
_this->gles_data->egl_active = 0;
/* crappy fix */
X11_GLES_UnloadLibrary(_this);
}
int
X11_GLES_LoadLibrary(_THIS, const char *path)
{
void *handle;
int dlopen_flags;
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
if (_this->gles_data->egl_active) {
SDL_SetError("OpenGL ES context already created");
return -1;
}
#ifdef RTLD_GLOBAL
dlopen_flags = RTLD_LAZY | RTLD_GLOBAL;
#else
dlopen_flags = RTLD_LAZY;
#endif
handle = dlopen(path, dlopen_flags);
/* Catch the case where the application isn't linked with EGL */
if ((dlsym(handle, "eglChooseConfig") == NULL) && (path == NULL)) {
dlclose(handle);
path = getenv("SDL_VIDEO_GL_DRIVER");
if (path == NULL) {
path = DEFAULT_OPENGL;
}
handle = dlopen(path, dlopen_flags);
}
if (handle == NULL) {
SDL_SetError("Could not load OpenGL ES/EGL library");
return -1;
}
/* Unload the old driver and reset the pointers */
X11_GLES_UnloadLibrary(_this);
/* Load new function pointers */
LOAD_FUNC(eglGetDisplay);
LOAD_FUNC(eglInitialize);
LOAD_FUNC(eglTerminate);
LOAD_FUNC(eglGetProcAddress);
LOAD_FUNC(eglChooseConfig);
LOAD_FUNC(eglGetConfigAttrib);
LOAD_FUNC(eglCreateContext);
LOAD_FUNC(eglDestroyContext);
LOAD_FUNC(eglCreateWindowSurface);
LOAD_FUNC(eglDestroySurface);
LOAD_FUNC(eglMakeCurrent);
LOAD_FUNC(eglSwapBuffers);
_this->gles_data->egl_display =
_this->gles_data->eglGetDisplay((NativeDisplayType) data->display);
if (!_this->gles_data->egl_display) {
SDL_SetError("Could not get EGL display");
return -1;
}
if (_this->gles_data->
eglInitialize(_this->gles_data->egl_display, NULL,
NULL) != EGL_TRUE) {
SDL_SetError("Could not initialize EGL");
return -1;
}
_this->gl_config.dll_handle = handle;
_this->gl_config.driver_loaded = 1;
if (path) {
strncpy(_this->gl_config.driver_path, path,
sizeof(_this->gl_config.driver_path) - 1);
} else {
strcpy(_this->gl_config.driver_path, "");
}
return 0;
}
int
X11_GLES_LoadLibrary(_THIS, const char *path)
{
void *handle;
int dlopen_flags;
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
if (_this->gles_data) {
return SDL_SetError("OpenGL ES context already created");
}
/* If SDL_GL_CONTEXT_EGL has been changed to 0, switch over to X11_GL functions */
if (_this->gl_config.use_egl == 0) {
#if SDL_VIDEO_OPENGL_GLX
_this->GL_LoadLibrary = X11_GL_LoadLibrary;
_this->GL_GetProcAddress = X11_GL_GetProcAddress;
_this->GL_UnloadLibrary = X11_GL_UnloadLibrary;
_this->GL_CreateContext = X11_GL_CreateContext;
_this->GL_MakeCurrent = X11_GL_MakeCurrent;
_this->GL_SetSwapInterval = X11_GL_SetSwapInterval;
_this->GL_GetSwapInterval = X11_GL_GetSwapInterval;
_this->GL_SwapWindow = X11_GL_SwapWindow;
_this->GL_DeleteContext = X11_GL_DeleteContext;
return X11_GL_LoadLibrary(_this, path);
#else
return SDL_SetError("SDL not configured with OpenGL/GLX support");
#endif
}
#ifdef RTLD_GLOBAL
dlopen_flags = RTLD_LAZY | RTLD_GLOBAL;
#else
dlopen_flags = RTLD_LAZY;
#endif
handle = dlopen(path, dlopen_flags);
/* Catch the case where the application isn't linked with EGL */
if ((dlsym(handle, "eglChooseConfig") == NULL) && (path == NULL)) {
dlclose(handle);
path = getenv("SDL_VIDEO_EGL_DRIVER");
if (path == NULL) {
path = DEFAULT_EGL;
}
handle = dlopen(path, dlopen_flags);
}
if (handle == NULL) {
return SDL_SetError("Could not load OpenGL ES/EGL library");
}
/* Unload the old driver and reset the pointers */
X11_GLES_UnloadLibrary(_this);
_this->gles_data = (struct SDL_PrivateGLESData *) SDL_calloc(1, sizeof(SDL_PrivateGLESData));
if (!_this->gles_data) {
return SDL_OutOfMemory();
}
/* Load new function pointers */
LOAD_FUNC(eglGetDisplay);
LOAD_FUNC(eglInitialize);
LOAD_FUNC(eglTerminate);
LOAD_FUNC(eglGetProcAddress);
LOAD_FUNC(eglChooseConfig);
LOAD_FUNC(eglGetConfigAttrib);
LOAD_FUNC(eglCreateContext);
LOAD_FUNC(eglDestroyContext);
LOAD_FUNC(eglCreateWindowSurface);
LOAD_FUNC(eglDestroySurface);
LOAD_FUNC(eglMakeCurrent);
LOAD_FUNC(eglSwapBuffers);
LOAD_FUNC(eglSwapInterval);
_this->gles_data->egl_display =
_this->gles_data->eglGetDisplay((NativeDisplayType) data->display);
if (!_this->gles_data->egl_display) {
return SDL_SetError("Could not get EGL display");
}
if (_this->gles_data->
eglInitialize(_this->gles_data->egl_display, NULL,
NULL) != EGL_TRUE) {
return SDL_SetError("Could not initialize EGL");
}
_this->gles_data->egl_dll_handle = handle;
path = getenv("SDL_VIDEO_GL_DRIVER");
handle = dlopen(path, dlopen_flags);
if ((path == NULL) | (handle == NULL)) {
if (_this->gl_config.major_version > 1) {
path = DEFAULT_OGL_ES2;
handle = dlopen(path, dlopen_flags);
} else {
path = DEFAULT_OGL_ES;
handle = dlopen(path, dlopen_flags);
if (handle == NULL) {
path = DEFAULT_OGL_ES_PVR;
handle = dlopen(path, dlopen_flags);
}
}
}
if (handle == NULL) {
return SDL_SetError("Could not initialize OpenGL ES library");
}
_this->gl_config.dll_handle = handle;
_this->gl_config.driver_loaded = 1;
if (path) {
strncpy(_this->gl_config.driver_path, path,
sizeof(_this->gl_config.driver_path) - 1);
} else {
strcpy(_this->gl_config.driver_path, "");
}
return 0;
}
