--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/ataricommon/SDL_atarigl_c.h	Thu Nov 25 15:47:49 2004 +0000
@@ -0,0 +1,62 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2004 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@libsdl.org
+*/
+
+/* Atari OSMesa.ldg implementation of SDL OpenGL support */
+
+#ifndef _SDL_ATARIGL_H_
+#define _SDL_ATARIGL_H_
+
+#ifdef HAVE_OPENGL
+#include <GL/osmesa.h>
+#endif
+
+#include "SDL_sysvideo.h"
+#define _THIS   SDL_VideoDevice *this
+
+struct SDL_PrivateGLData {
+	/* to stop switching drivers while we have a valid context */
+    int gl_active; 
+
+	/* for unsupported OSMesa buffer formats */
+	void (*ConvertSurface)(SDL_Surface *surface);	
+
+#ifdef HAVE_OPENGL
+	OSMesaContext	ctx;
+#endif
+};
+
+/* Old variable names */
+#define gl_active	(this->gl_data->gl_active)
+#define gl_ctx		(this->gl_data->ctx)
+#define gl_convert	(this->gl_data->ConvertSurface)
+
+/* OpenGL functions */
+extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current);
+extern void SDL_AtariGL_Quit(_THIS);
+
+extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path);
+extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc);
+extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
+extern int SDL_AtariGL_MakeCurrent(_THIS);
+extern void SDL_AtariGL_SwapBuffers(_THIS);
+
+#endif /* _SDL_ATARIGL_H_ */