From ede059fec241042843f377acd34d504334d1b5da Mon Sep 17 00:00:00 2001
From: alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Tue, 4 Dec 2001 17:24:25 +0000
Subject: [PATCH] do not crash if can't get modelines (dga2.0)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3319 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libvo/vo_dga.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libvo/vo_dga.c b/libvo/vo_dga.c
index 50d5b2c704..7d973eb87f 100644
--- a/libvo/vo_dga.c
+++ b/libvo/vo_dga.c
@@ -23,6 +23,9 @@
  * - works only on x86 architectures
  *
  * $Log$
+ * Revision 1.34  2001/12/04 17:24:25  alex
+ * do not crash if can't get modelines (dga2.0)
+ *
  * Revision 1.33  2001/11/06 11:21:08  nick
  * Move yuv2rgb to postprocess
  *
@@ -859,6 +862,15 @@ static uint32_t init( uint32_t width,  uint32_t height,
 // mgraffam@idsi.net
   if (modelines==NULL)
     modelines=XDGAQueryModes(vo_dga_dpy, XDefaultScreen(vo_dga_dpy),&modecount);
+
+  vd_printf(VD_DBG,
+	    "vo_dga: modelines=%p, modecount=%d\n", modelines, modecount);
+
+  if (modelines == NULL)
+  {
+    vd_printf(VD_ERR, "vo_dga: can't get modelines\n");
+    return 1;
+  }
   
   vd_printf(VD_INFO, 
             "vo_dga: DGA 2.0 available :-) Can switch resolution AND depth!\n");