Fix up some retain/release issues with UIScreenMode objects.

Fixes Bugzilla #1191.

This patch is based on work done by Vittorio Giovara.
This commit is contained in:
Ryan C. Gordon 2011-10-14 20:47:53 -04:00
parent 3f0781af54
commit 4ff67de178
2 changed files with 14 additions and 7 deletions

View file

@ -212,7 +212,8 @@ UIKit_AddDisplay(UIScreen *uiscreen, UIScreenMode *uimode, int w, int h)
mode.h = h;
mode.refresh_rate = 0;
[uimode retain];
[uimode retain]; // once for the desktop_mode
[uimode retain]; // once for the current_mode
mode.driverdata = uimode;
SDL_zero(display);
@ -286,13 +287,14 @@ UIKit_VideoQuit(_THIS)
UIScreen *uiscreen = (UIScreen *) display->driverdata;
[uiscreen release];
display->driverdata = NULL;
[((UIScreenMode *) display->desktop_mode.driverdata) release];
display->desktop_mode.driverdata = NULL;
[((UIScreenMode *) display->current_mode.driverdata) release];
display->current_mode.driverdata = NULL;
for (j = 0; j < display->num_display_modes; j++) {
SDL_DisplayMode *mode = &display->display_modes[j];
UIScreenMode *uimode = (UIScreenMode *) mode->driverdata;
if (uimode) {
[uimode release];
mode->driverdata = NULL;
}
[((UIScreenMode *) mode->driverdata) release];
mode->driverdata = NULL;
}
}
}

View file

@ -151,8 +151,13 @@ UIKit_CreateWindow(_THIS, SDL_Window *window)
if (bestmode) {
UIScreenMode *uimode = (UIScreenMode *) bestmode->driverdata;
[uiscreen setCurrentMode:uimode];
display->desktop_mode = *bestmode;
// desktop_mode doesn't change here (the higher level will
// use it to set all the screens back to their defaults
// upon window destruction, SDL_Quit(), etc.
[((UIScreenMode *) display->current_mode.driverdata) release];
display->current_mode = *bestmode;
[((UIScreenMode *) display->current_mode.driverdata) retain];
}
}
}