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Move resizing workaround to screen.c

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This commit is contained in:
Romain Vimont
2021-04-13 22:14:09 +02:00
parent 65c4f487b3
commit c23c38f99d
2 changed files with 27 additions and 29 deletions
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27
app/src/screen.c
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@@ -239,6 +239,29 @@ create_texture(struct screen *screen) {
return texture;
}
#if defined(__APPLE__) || defined(__WINDOWS__)
# define CONTINUOUS_RESIZING_WORKAROUND
#endif
#ifdef CONTINUOUS_RESIZING_WORKAROUND
// On Windows and MacOS, resizing blocks the event loop, so resizing events are
// not triggered. As a workaround, handle them in an event handler.
//
// <https://bugzilla.libsdl.org/show_bug.cgi?id=2077>
// <https://stackoverflow.com/a/40693139/1987178>
static int
event_watcher(void *data, SDL_Event *event) {
struct screen *screen = data;
if (event->type == SDL_WINDOWEVENT
&& event->window.event == SDL_WINDOWEVENT_RESIZED) {
// In practice, it seems to always be called from the same thread in
// that specific case. Anyway, it's just a workaround.
screen_render(screen, true);
}
return 0;
}
#endif
bool
screen_init(struct screen *screen, struct video_buffer *vb,
struct fps_counter *fps_counter,
@@ -366,6 +389,10 @@ screen_init(struct screen *screen, struct video_buffer *vb,
screen_switch_fullscreen(screen);
}
#ifdef CONTINUOUS_RESIZING_WORKAROUND
SDL_AddEventWatch(event_watcher, screen);
#endif
return true;
}