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wayland: Use refresh_rate to calculate max_wait in SwapWindow

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Ethan Lee 2021-05-01 08:57:37 -04:00 committed by Ryan C. Gordon
parent 7b284dbb34
commit 3d47ddc422
1 changed files with 2 additions and 1 deletions
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src/video/wayland/SDL_waylandopengles.c
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@ -116,8 +116,9 @@ Wayland_GLES_SwapWindow(_THIS, SDL_Window *window)
/* Control swap interval ourselves. See comments on Wayland_GLES_SetSwapInterval */ /* Control swap interval ourselves. See comments on Wayland_GLES_SetSwapInterval */
if (swap_interval != 0) { if (swap_interval != 0) {
const Uint32 max_wait = SDL_GetTicks() + 100; /* ~10 fps, so we'll progress even if throttled to zero. */
struct wl_display *display = ((SDL_VideoData *)_this->driverdata)->display; struct wl_display *display = ((SDL_VideoData *)_this->driverdata)->display;
SDL_VideoDisplay *sdldisplay = SDL_GetDisplayForWindow(window);
const Uint32 max_wait = SDL_GetTicks() + (10000 / sdldisplay->current_mode.refresh_rate); /* ~10 frames, so we'll progress even if throttled to zero. */
while ((SDL_AtomicGet(&data->swap_interval_ready) == 0) && (!SDL_TICKS_PASSED(SDL_GetTicks(), max_wait))) { while ((SDL_AtomicGet(&data->swap_interval_ready) == 0) && (!SDL_TICKS_PASSED(SDL_GetTicks(), max_wait))) {
/* !!! FIXME: this is just the crucial piece of Wayland_PumpEvents */ /* !!! FIXME: this is just the crucial piece of Wayland_PumpEvents */
WAYLAND_wl_display_flush(display); WAYLAND_wl_display_flush(display);