From 109066bb8e40bdb5ab1b32e463dc4394da108b5c Mon Sep 17 00:00:00 2001
From: Lionel Ulmer <lionel.ulmer@free.fr>
Date: Sat, 9 Sep 2000 19:40:08 +0000
Subject: [PATCH] Do not support DGA when DirectVideo not present.

---
 dlls/ddraw/dga.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/ddraw/dga.c b/dlls/ddraw/dga.c
index d509225e0a9..4acb9bd17b1 100644
--- a/dlls/ddraw/dga.c
+++ b/dlls/ddraw/dga.c
@@ -126,8 +126,11 @@ DGA_Create( LPDIRECTDRAW *lplpDD ) {
     TRACE("XF86DGA is version %d.%d\n",major,minor);
     
     TSXF86DGAQueryDirectVideo(display,DefaultScreen(display),&flags);
-    if (!(flags & XF86DGADirectPresent))
+    if (!(flags & XF86DGADirectPresent)) {
+      /* On some boards, DGA extension is present but does not support DirectVideo */
       MESSAGE("direct video is NOT PRESENT.\n");
+      return DDERR_GENERIC;
+    }
     TSXF86DGAGetVideo(display,DefaultScreen(display),&addr,&width,&banksize,&memsize);
     dgpriv->fb_width = width;
     TSXF86DGAGetViewPortSize(display,DefaultScreen(display),&width,&height);