Revision: 75642
http://sourceforge.net/p/brlcad/code/75642
Author: starseeker
Date: 2020-04-30 00:25:29 +0000 (Thu, 30 Apr 2020)
Log Message:
-----------
Generate an event from the fb only if the dm isn't already about to do so.
Modified Paths:
--------------
brlcad/trunk/src/libdm/tests/tcl_img.cpp
Modified: brlcad/trunk/src/libdm/tests/tcl_img.cpp
===================================================================
--- brlcad/trunk/src/libdm/tests/tcl_img.cpp 2020-04-30 00:21:47 UTC (rev
75641)
+++ brlcad/trunk/src/libdm/tests/tcl_img.cpp 2020-04-30 00:25:29 UTC (rev
75642)
@@ -455,17 +455,17 @@
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
-#if 0
- // Can't do this from Fb in this form - causes a cascading event chain
- // Generate an event for the manager thread to let it know we're done
- Tcl_MutexLock(&threadMutex);
- struct DmRenderEvent *threadEventPtr = (struct DmRenderEvent
*)ckalloc(sizeof(DmRenderEvent));
- threadEventPtr->idata = idata;
- threadEventPtr->event.proc = noop_proc;
- Tcl_ThreadQueueEvent(idata->dm_id, (Tcl_Event *) threadEventPtr,
TCL_QUEUE_TAIL);
- Tcl_ThreadAlert(idata->dm_id);
- Tcl_MutexUnlock(&threadMutex);
-#endif
+ // Generate an event for the manager thread to let it know we're done, if
the
+ // display manager isn't already about to generate such an event
+ if (!idata->dm_render_running) {
+ Tcl_MutexLock(&threadMutex);
+ struct DmRenderEvent *threadEventPtr = (struct DmRenderEvent
*)ckalloc(sizeof(DmRenderEvent));
+ threadEventPtr->idata = idata;
+ threadEventPtr->event.proc = noop_proc;
+ Tcl_ThreadQueueEvent(idata->dm_id, (Tcl_Event *) threadEventPtr,
TCL_QUEUE_TAIL);
+ Tcl_ThreadAlert(idata->dm_id);
+ Tcl_MutexUnlock(&threadMutex);
+ }
// Render complete, we're done with this thread
Tcl_ExitThread(TCL_OK);
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