Commit: 2f1bab75d7e00ad1cda614f535f194e2779421d6
Author: Campbell Barton
Date: Thu Oct 15 17:25:43 2015 +1100
Branches: blender-v2.76-release
https://developer.blender.org/rB2f1bab75d7e00ad1cda614f535f194e2779421d6
Fix T46465: Lag scrubbing w/ PlayAnim
===================================================================
M source/blender/windowmanager/intern/wm_playanim.c
===================================================================
diff --git a/source/blender/windowmanager/intern/wm_playanim.c
b/source/blender/windowmanager/intern/wm_playanim.c
index 2f7e113..124f2e0 100644
--- a/source/blender/windowmanager/intern/wm_playanim.c
+++ b/source/blender/windowmanager/intern/wm_playanim.c
@@ -973,6 +973,19 @@ static int ghost_event_proc(GHOST_EventHandle evt,
GHOST_TUserDataPtr ps_void)
GHOST_TEventCursorData *cd =
GHOST_GetEventData(evt);
int cx, cy;
+ /* Ignore 'in-between' events, since they can
make scrubbing lag.
+ *
+ * Ideally we would keep into the event queue
and see if this is the last motion event.
+ * however the API currently doesn't support
this. */
+ {
+ int x_test, y_test;
+
GHOST_GetCursorPosition(g_WS.ghost_system, &x_test, &y_test);
+ if (x_test != cd->x || y_test != cd->y)
{
+ /* we're not the last event...
skipping */
+ break;
+ }
+ }
+
GHOST_ScreenToClient(g_WS.ghost_window, cd->x,
cd->y, &cx, &cy);
change_frame(ps, cx);
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