mirror of https://github.com/encounter/SDL.git
video: wayland: Handle 0x0 xdg_toplevel_configure in fullscreen
The xdg_shell spec seems to state[1] that xdg_toplevel_configure events can always provide a 0×0 width/height to signal that the compositor doesn't care. SDL previously assumed the provided width/height was always valid for fullscreen windows, and so applied it as-is. This broke SDL applications on KDE/KWin 5.23, which now sends 0×0 configure events (and, in 5.23.3, 1×1 events for some reason), breaking all SDL applications in fullscreen[2]. [1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/issues/6 [2]: https://bugs.kde.org/show_bug.cgi?id=444962#c6
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src/video/wayland
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@ -290,8 +290,10 @@ handle_configure_xdg_toplevel(void *data,
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/* For fullscreen, foolishly do what the compositor says. If it's wrong,
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* don't blame us, we were explicitly instructed to do this.
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*/
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if (width != 0 && height != 0) {
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window->w = width;
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window->h = height;
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}
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/* This part is good though. */
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if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
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