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Switch automatic composite update to WorkQueue

Browse source 
It is currently (ab)using the screen BlockHandler callback to do
this. But this can cause problems with other extension as their
block handlers might have executed before Composite's. And the
operations Composite does might result in them wanting to change
timeouts.

Practically this caused problems for TigerVNC's VNC extension which
failed to send out updates for Composite's screen updates.
This commit is contained in:
Pierre Ossman 2018-10-03 10:28:52 +02:00
commit 1bd5d0a53c
3 changed files with 15 additions and 20 deletions
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4
composite/compinit.c
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@ -387,6 +387,8 @@ compScreenInit(ScreenPtr pScreen)
cs->pOverlayWin = NULL;
cs->pOverlayClients = NULL;
cs->pendingScreenUpdate = FALSE;
cs->numAlternateVisuals = 0;
cs->alternateVisuals = NULL;
cs->numImplicitRedirectExceptions = 0;
@ -442,8 +444,6 @@ compScreenInit(ScreenPtr pScreen)
cs->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;
pScreen->ChangeWindowAttributes = compChangeWindowAttributes;
cs->BlockHandler = NULL;
cs->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = compCloseScreen;