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The OpenGL context returned by the UIKit backend is now an actual OpenGL context instead of the OpenGL view we created.

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This allows you to use the returned context in functions like CVOpenGLESTextureCacheCreate()
This commit is contained in:
Sam Lantinga 2014-08-06 00:28:02 -07:00
parent 2eb7563e35
commit 6299daecba
1 changed files with 29 additions and 21 deletions
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32
src/video/uikit/SDL_uikitopengles.m
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@ -51,14 +51,7 @@ UIKit_GL_GetProcAddress(_THIS, const char *proc)
*/
int UIKit_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
{
if (context) {
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
[data->view setCurrentContext];
}
else {
[EAGLContext setCurrentContext: nil];
}
[EAGLContext setCurrentContext: context];
return 0;
}
@ -146,8 +139,9 @@ SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window)
uiwindow.rootViewController = view->viewcontroller;
}
if (UIKit_GL_MakeCurrent(_this, window, view) < 0) {
UIKit_GL_DeleteContext(_this, view);
EAGLContext *context = view.context;
if (UIKit_GL_MakeCurrent(_this, window, context) < 0) {
UIKit_GL_DeleteContext(_this, context);
return NULL;
}
@ -157,13 +151,19 @@ SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window)
SDL_SetKeyboardFocus(window);
}
return view;
return context;
}
void UIKit_GL_DeleteContext(_THIS, SDL_GLContext context)
{
SDL_Window *window;
/* Find the view associated with this context */
for (window = _this->windows; window; window = window->next) {
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
SDL_uikitopenglview *view = data->view;
if (view.context == context) {
/* the delegate has retained the view, this will release him */
SDL_uikitopenglview *view = (SDL_uikitopenglview *)context;
if (view->viewcontroller) {
UIWindow *uiwindow = (UIWindow *)view.superview;
if (uiwindow.rootViewController == view->viewcontroller) {
@ -173,7 +173,15 @@ void UIKit_GL_DeleteContext(_THIS, SDL_GLContext context)
[view->viewcontroller release];
}
[view removeFromSuperview];
/* FIXME: This doesn't actually call view dealloc - what is holding a reference to it? */
[view release];
return;
}
}
/* View not found... delete the context anyway? */
[(EAGLContext *)context release];
}
#endif /* SDL_VIDEO_DRIVER_UIKIT */