Module Name:    xsrc
Committed By:   mrg
Date:           Wed Jul 22 06:10:52 UTC 2009

Modified Files:
        xsrc/external/mit/xorg-server/dist/exa: exa_accel.c

Log Message:
apply the patch from http://bugs.freedesktop.org/attachment.cgi?id=27568.
it fixes various issues picked up by newer pixman.


To generate a diff of this commit:
cvs rdiff -u -r1.1.1.3 -r1.2 \
    xsrc/external/mit/xorg-server/dist/exa/exa_accel.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: xsrc/external/mit/xorg-server/dist/exa/exa_accel.c
diff -u xsrc/external/mit/xorg-server/dist/exa/exa_accel.c:1.1.1.3 xsrc/external/mit/xorg-server/dist/exa/exa_accel.c:1.2
--- xsrc/external/mit/xorg-server/dist/exa/exa_accel.c:1.1.1.3	Thu Jul  9 07:04:33 2009
+++ xsrc/external/mit/xorg-server/dist/exa/exa_accel.c	Wed Jul 22 06:10:52 2009
@@ -415,6 +415,7 @@
 
     if (rects) {
 	int i;
+	int ordering;
 
 	for (i = 0; i < nbox; i++) {
 	    rects[i].x = pbox[i].x1 + dx + src_off_x;
@@ -423,7 +424,16 @@
 	    rects[i].height = pbox[i].y2 - pbox[i].y1;
 	}
 
-	srcregion  = RECTS_TO_REGION(pScreen, nbox, rects, CT_YXBANDED);
+	/* This must match the miRegionCopy() logic for reversing rect order */
+	if (nbox == 1 || (dx > 0 && dy > 0) ||
+	    (pDstDrawable != pSrcDrawable &&
+	     (pDstDrawable->type != DRAWABLE_WINDOW ||
+	      pSrcDrawable->type != DRAWABLE_WINDOW)))
+	    ordering = CT_YXBANDED;
+	else
+	    ordering = CT_UNSORTED;
+
+	srcregion  = RECTS_TO_REGION(pScreen, nbox, rects, ordering);
 	xfree(rects);
 
 	if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,

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