[PATCH] Fix color problems with sdl on bgr displays

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

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Some kvm users complained that the blue and red channels are flipped on 
their displays.  Reverting sdl.c rev 1.40 fixed that problem, so 
apparently that commit made the problem larger than it was previously.

Attached a patch the removes the commit and fixes the problem.  Please 
apply.

-- 
error compiling committee.c: too many arguments to function


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Index: sdl.c
===================================================================
RCS file: /sources/qemu/qemu/sdl.c,v
retrieving revision 1.44
diff -u -r1.44 sdl.c
--- sdl.c	17 Sep 2007 08:09:45 -0000	1.44
+++ sdl.c	14 Oct 2007 13:49:37 -0000
@@ -87,7 +87,7 @@
     ds->data = screen->pixels;
     ds->linesize = screen->pitch;
     ds->depth = screen->format->BitsPerPixel;
-    if (screen->format->Bshift > screen->format->Rshift) {
+    if (ds->depth == 32 && screen->format->Rshift == 0) {
         ds->bgr = 1;
     } else {
         ds->bgr = 0;

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