File U_uxa-Fix-clip-processing-for-uxa_fill_spans.patch of Package xorg-x11-driver-video

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File U_uxa-Fix-clip-processing-for-uxa_fill_spans.patch of Package xorg-x11-driver-video (Revision 64b4fdd93fb91a445e20fbbde60e4453)

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From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Dec 9 09:54:12 2011 +0000
Subject: [PATCH] uxa: Fix clip processing for uxa_fill_spans()
Patch-Mainline: Upstream
Git-commit: 429a36f7481b9bfd5ed137642d2916d69a713557
References: 
Signed-off-by: Egbert Eich <eich@suse.de>

Fixes regression from e0066e77e026b0dd0daa0c3765473c7d63aa6753
(uxa: Simplify Composite solid acceleration for spans by only clipping
once) [2.15.901]

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43649
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 uxa/uxa-accel.c |   22 +++++++++-------------
 1 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/uxa/uxa-accel.c b/uxa/uxa-accel.c
index 21957a3..e4afd13 100644
--- a/uxa/uxa-accel.c
+++ b/uxa/uxa-accel.c
@@ -92,21 +92,17 @@ uxa_fill_spans(DrawablePtr pDrawable, GCPtr pGC, int n,
 		nbox = REGION_NUM_RECTS(pClip);
 		pbox = REGION_RECTS(pClip);
 		while (nbox--) {
-			if (pbox->y1 > y || pbox->y2 <= y)
-				continue;
-
-			if (x1 < pbox->x1)
-				x1 = pbox->x1;
+			int X1 = x1, X2 = x2;
+			if (X1 < pbox->x1)
+				X1 = pbox->x1;
 
-			if (x2 > pbox->x2)
-				x2 = pbox->x2;
-
-			if (x2 <= x1)
-				continue;
+			if (X2 > pbox->x2)
+				X2 = pbox->x2;
 
-			(*uxa_screen->info->solid) (dst_pixmap,
-						    x1 + off_x, y + off_y,
-						    x2 + off_x, y + 1 + off_y);
+			if (X2 > X1 && pbox->y1 <= y && pbox->y2 > y)
+				(*uxa_screen->info->solid) (dst_pixmap,
+							    X1 + off_x, y + off_y,
+							    X2 + off_x, y + 1 + off_y);
 			pbox++;
 		}
 	}

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File U_uxa-Fix-clip-processing-for-uxa_fill_spans.patch of Package xorg-x11-driver-video (Revision 64b4fdd93fb91a445e20fbbde60e4453)

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