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[Xen-devel] [PATCH] ioemu: fix xenfb slow case update

from [Samuel Thibault]

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Subject:	[Xen-devel] [PATCH] ioemu: fix xenfb slow case update
From:	Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
Date:	Fri, 29 Feb 2008 15:26:22 +0000
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ioemu: fix xenfb slow case update

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>

diff -r 067d8f19e78a tools/ioemu/hw/xenfb.c
--- a/tools/ioemu/hw/xenfb.c    Thu Feb 28 13:55:37 2008 +0000
+++ b/tools/ioemu/hw/xenfb.c    Fri Feb 29 15:25:17 2008 +0000
@@ -1072,7 +1072,7 @@
 
 /* A convenient function for munging pixels between different depths */
 #define BLT(SRC_T,DST_T,RLS,GLS,BLS,RRS,GRS,BRS,RM,GM,BM)               \
-    for (line = y ; line < h ; line++) {                                \
+    for (line = y ; line < (y+h) ; line++) {                            \
         SRC_T *src = (SRC_T *)(xenfb->pixels                            \
                                + (line * xenfb->row_stride)             \
                                + (x * xenfb->depth / 8));               \
@@ -1080,7 +1080,7 @@
                                + (line * xenfb->ds->linesize)                  
\
                                + (x * xenfb->ds->depth / 8));                  
\
         int col;                                                        \
-        for (col = x ; col < w ; col++) {                               \
+        for (col = x ; col < (x+w) ; col++) {                           \
             *dst = (((*src >> RRS) & RM) << RLS) |                      \
                 (((*src >> GRS) & GM) << GLS) |                         \
                 (((*src >> GRS) & BM) << BLS);                          \

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