Module: Mesa
Branch: master
Commit: bd3d2724f51a44b7fc814a5bc43d8ddafa8e3cba
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=bd3d2724f51a44b7fc814a5bc43d8ddafa8e3cba
Author: Michel Dänzer <daen...@vmware.com>
Date: Tue Jul 20 12:21:17 2010 +0200
glx/dri2: Fix dri2CopySubBuffer() again.
Only refresh the fake front buffer if there is one, and only destroy the region
once.
Fixes X11 protocol errors reported by 'mcgreg' on IRC.
---
src/glx/dri2_glx.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
index 4fbe949..be8671d 100644
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -352,13 +352,14 @@ dri2CopySubBuffer(__GLXDRIdrawable *pdraw, int x, int y,
int width, int height)
region = XFixesCreateRegion(psc->base.dpy, &xrect, 1);
DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
DRI2BufferFrontLeft, DRI2BufferBackLeft);
- XFixesDestroyRegion(psc->base.dpy, region);
/* Refresh the fake front (if present) after we just damaged the real
* front.
*/
- DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
- DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
+ if (priv->have_fake_front)
+ DRI2CopyRegion(psc->base.dpy, pdraw->xDrawable, region,
+ DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
+
XFixesDestroyRegion(psc->base.dpy, region);
}
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