--- a/src/video/gem/SDL_gemvideo.c	Tue Feb 22 17:57:40 2005 +0000
+++ b/src/video/gem/SDL_gemvideo.c	Wed Mar 02 17:17:26 2005 +0000
@@ -828,7 +828,7 @@
 		mfdb_src.fd_addr=surface->pixels;
 		mfdb_src.fd_w=surf_width;
 		mfdb_src.fd_h=surface->h;
-		mfdb_src.fd_wdwidth=mfdb_src.fd_w >> 4;
+		mfdb_src.fd_wdwidth= (surface->pitch/VDI_pixelsize) >> 4;
 		mfdb_src.fd_nplanes=surface->format->BitsPerPixel;
 		mfdb_src.fd_stand=
 			mfdb_src.fd_r1=