Attachment 3523 Details for Bug 3785 – Patch against xserver

[patch] Patch against xserver

xserver.diff (text/plain), 1.61 KB, created by Jorn Baayen on 2005-10-09 09:04:36 UTC

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Creator: Jorn Baayen

Created: 2005-10-09 09:04:36 UTC

Size: 1.61 KB

patch

obsolete

>Index: miext/damage/damage.c
>===================================================================
>RCS file: /cvs/xserver/xserver/miext/damage/damage.c,v
>retrieving revision 1.15
>diff -u -r1.15 damage.c
>--- miext/damage/damage.c	7 Jul 2005 08:37:54 -0000	1.15
>+++ miext/damage/damage.c	9 Oct 2005 15:59:49 -0000
>@@ -281,20 +281,28 @@
>     RegionRec region;
>     int rir;
> 
>-    /* Find out if the drawing is entirely within the clip */
>-    rir = RECT_IN_REGION (pDrawable->pScreen,
>-                          pCompositeClip, pBox);
>-
>-    /* No overlap at all: no damage */
>-    if (rir == rgnOUT)
>-        return;
>-
>-    REGION_INIT (pDrawable->pScreen, &region, pBox, 1);
>-    if (rir == rgnPART)
>+    if (pDrawable->type == DRAWABLE_WINDOW &&
>+        ((WindowPtr)(pDrawable))->backingStore == NotUseful)
>     {
>-        REGION_INTERSECT (pDrawable->pScreen, &region,
>-                          &region, pCompositeClip);
>+        /* Find out if the drawing is entirely within the clip */
>+        rir = RECT_IN_REGION (pDrawable->pScreen,
>+                              pCompositeClip, pBox);
>+
>+        /* No overlap at all: no damage */
>+        if (rir == rgnOUT)
>+            return;
>+
>+        REGION_INIT (pDrawable->pScreen, &region, pBox, 1);
>+        if (rir == rgnPART)
>+        {
>+            REGION_INTERSECT (pDrawable->pScreen, &region,
>+                              &region, pCompositeClip);
>+        }
>+    } else {
>+        /* Backing store enabled: don't clip */
>+        REGION_INIT (pDrawable->pScreen, &region, pBox, 1);
>     }
>+
>     damageDamageRegion (pDrawable, &region);
>     REGION_UNINIT (pDrawable->pScreen, &region);
> }

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