Closedown of SDL2 incomplete (leads to crash on Quit for AmigaOS 4) #744

SteffenHaeuser · 2025-04-10T10:06:50Z

Just calling SDL_Quit() is not enough for AmigaOS 4, as the OpenGL implementation of AmigaOS will do a recoverable alert due to "not all resourced freed again" in this case (hanging the stratagus app and the shell or Workbench task from which it was started also).

Here is a complete implementation of the shutdown (hopefully works also for other platforms - if it does, just replace atexit(SDL_Quit) with atexit(CleanUpVideoSdl).

void CleanUpVideoSdl()
{
    if (TheRenderer) {
        SDL_DestroyRenderer(TheRenderer);
        TheRenderer = nullptr;
    }

    if (TheWindow) {
        SDL_DestroyWindow(TheWindow);
        TheWindow = nullptr;
    }

    if (Video.blankCursor) {
        SDL_FreeCursor(Video.blankCursor);
        Video.blankCursor = nullptr;
    }

    SDL_StopTextInput();
    SDL_Quit();
}

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Jarod42 self-assigned this Apr 10, 2025

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Closedown of SDL2 incomplete (leads to crash on Quit for AmigaOS 4) #744

Closedown of SDL2 incomplete (leads to crash on Quit for AmigaOS 4) #744