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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. 

This allows you to use the returned context in functions like CVOpenGLESTextureCacheCreate()
main
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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50
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;
}
@ -157,23 +151,37 @@ SDL_GLContext UIKit_GL_CreateContext(_THIS, SDL_Window * window)
SDL_SetKeyboardFocus(window);
}
return view;
return context;
}
void UIKit_GL_DeleteContext(_THIS, SDL_GLContext 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) {
uiwindow.rootViewController = nil;
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 */
if (view->viewcontroller) {
UIWindow *uiwindow = (UIWindow *)view.superview;
if (uiwindow.rootViewController == view->viewcontroller) {
uiwindow.rootViewController = nil;
}
[view->viewcontroller setView:nil];
[view->viewcontroller release];
}
[view removeFromSuperview];
/* FIXME: This doesn't actually call view dealloc - what is holding a reference to it? */
[view release];
return;
}
[view->viewcontroller setView:nil];
[view->viewcontroller release];
}
[view removeFromSuperview];
[view release];
/* View not found... delete the context anyway? */
[(EAGLContext *)context release];
}
#endif /* SDL_VIDEO_DRIVER_UIKIT */