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-rw-r--r--src/video/cocoa/cocoa_v.mm12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index d065630b7..20f3904ae 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -674,13 +674,21 @@ void VideoDriver_Cocoa::GameLoop()
}
if (cur_ticks >= next_game_tick || (_fast_forward && !_pause_mode)) {
- next_game_tick = cur_ticks + std::chrono::milliseconds(MILLISECONDS_PER_TICK);
+ if (_fast_forward && !_pause_mode) {
+ next_game_tick = cur_ticks + std::chrono::milliseconds(MILLISECONDS_PER_TICK);
+ } else {
+ next_game_tick += std::chrono::milliseconds(MILLISECONDS_PER_TICK);
+ /* Avoid next_game_tick getting behind more and more if it cannot keep up. */
+ if (next_game_tick < cur_ticks - std::chrono::milliseconds(ALLOWED_DRIFT * MILLISECONDS_PER_TICK)) next_game_tick = cur_ticks;
+ }
::GameLoop();
}
if (cur_ticks >= next_draw_tick) {
- next_draw_tick = cur_ticks + std::chrono::milliseconds(MILLISECONDS_PER_TICK);
+ next_draw_tick += std::chrono::milliseconds(MILLISECONDS_PER_TICK);
+ /* Avoid next_draw_tick getting behind more and more if it cannot keep up. */
+ if (next_draw_tick < cur_ticks - std::chrono::microseconds(ALLOWED_DRIFT * MILLISECONDS_PER_TICK)) next_draw_tick = cur_ticks;
bool old_ctrl_pressed = _ctrl_pressed;