From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 11 Apr 2000 20:43:12 +0000 (+0000)
Subject: fixed bug in XF86 writeRegionClipped()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b5410da76e15d670063de544569ae07f5ca9a00f;p=mesa.git

fixed bug in XF86 writeRegionClipped()
---

diff --git a/src/mesa/drivers/glide/fxddspan.c b/src/mesa/drivers/glide/fxddspan.c
index c6fcb2ea2e5..8256697c32a 100644
--- a/src/mesa/drivers/glide/fxddspan.c
+++ b/src/mesa/drivers/glide/fxddspan.c
@@ -99,7 +99,7 @@ static FxBool writeRegionClipped(fxMesaContext fxMesa, GrBuffer_t dst_buffer,
       if (dst_y>=fxMesa->pClipRects[i].y1 && dst_y<fxMesa->pClipRects[i].y2) {
 	if (dst_x<fxMesa->pClipRects[i].x1) {
 	  x=fxMesa->pClipRects[i].x1;
-	  data=((char*)src_data)+srcElt*(dst_x-x);
+	  data=((char*)src_data)+srcElt*(x - dst_x);
 	  w=src_width-(x-dst_x);
 	} else {
 	  x=dst_x;