--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/x11/SDL_x11dga.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,96 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* This is currently only used to enable DGA mouse.
+   The new fullscreen code makes it very difficult to handle DGA dynamically.
+   There will be a completely separate DGA driver that is fullscreen-only.
+*/
+
+#include <stdlib.h>		/* For getenv() */
+#include "SDL_video.h"
+#include "SDL_cursor_c.h"
+#include "SDL_x11dga_c.h"
+
+/* Global for the error handler */
+int dga_event, dga_error = -1;
+
+void X11_EnableDGAMouse(_THIS)
+{
+#ifdef XFREE86_DGAMOUSE
+    int dga_major, dga_minor;
+    int use_dgamouse;
+    const char *env_use_dgamouse;
+
+    /* Check configuration to see if we should use DGA mouse */
+#ifdef DEFAULT_DGAMOUSE
+    use_dgamouse = 1;
+#else
+    use_dgamouse = 0;
+#endif
+    env_use_dgamouse = getenv("SDL_VIDEO_X11_DGAMOUSE");
+    if ( env_use_dgamouse ) {
+        use_dgamouse = atoi(env_use_dgamouse);
+    }
+    /* Check for buggy X servers */
+    if ( use_dgamouse && BUGGY_XFREE86(==, 4000) ) {
+        use_dgamouse = 0;
+    }
+    /* Only use DGA mouse if the cursor is not showing (in relative mode) */
+    if ( use_dgamouse && local_X11 && !(using_dga & DGA_MOUSE) &&
+         XF86DGAQueryExtension(SDL_Display, &dga_event, &dga_error) &&
+         XF86DGAQueryVersion(SDL_Display, &dga_major, &dga_minor) ) {
+	if ( XF86DGADirectVideo(SDL_Display, SDL_Screen, XF86DGADirectMouse) ) {
+            using_dga |= DGA_MOUSE;
+        }
+    }
+#endif /* XFREE86_DGAMOUSE */
+}
+
+/* Argh.  Glide resets DGA mouse mode when it makes the context current! */
+void X11_CheckDGAMouse(_THIS)
+{
+#ifdef XFREE86_DGAMOUSE
+    int flags;
+
+    if ( using_dga & DGA_MOUSE ) {
+        XF86DGAQueryDirectVideo(SDL_Display, SDL_Screen, &flags);
+        if ( ! (flags & XF86DGADirectMouse) ) {
+                XF86DGADirectVideo(SDL_Display,SDL_Screen,XF86DGADirectMouse);
+        }
+    }
+#endif
+}
+
+void X11_DisableDGAMouse(_THIS)
+{
+#ifdef XFREE86_DGAMOUSE
+    if ( using_dga & DGA_MOUSE ) {
+	XF86DGADirectVideo(SDL_Display, SDL_Screen, 0);
+        using_dga &= ~DGA_MOUSE;
+    }
+#endif /* XFREE86_DGAMOUSE */
+}