/**

  * $Id$

  *

  * Null video output driver (ie no video output whatsoever)

  *

  * Copyright (c) 2005 Nathan Keynes.

  *

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation; either version 2 of the License, or

  * (at your option) any later version.

  *

  * This program 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 General Public License for more details.

  */

 #include "display.h"

 static render_buffer_t video_null_create_render_buffer( uint32_t hres, uint32_t vres )

 {

     return NULL;

 }

 static void video_null_destroy_render_buffer( render_buffer_t buffer )

 {

 }

 static gboolean video_null_set_render_target( render_buffer_t buffer )

 {

     return TRUE;

 }

 static void video_null_display_render_buffer( render_buffer_t buffer )

 {

 }

 static gboolean video_null_read_render_buffer( unsigned char *target, 

 					       render_buffer_t buffer, 

 					       int rowstride, int format )

 {

     return TRUE;

 }

 static void video_null_load_frame_buffer( frame_buffer_t frame, 

 					  render_buffer_t buffer )

 {

 }

 static void video_null_display_blank( uint32_t colour )

 {

 }

 struct display_driver display_null_driver = { "null", 

 					      NULL,

 					      NULL,

 					      NULL,

 					      NULL, 

 					      NULL,

 					      video_null_create_render_buffer,

 					      video_null_destroy_render_buffer,

 					      video_null_set_render_target,

 					      video_null_load_frame_buffer,

 					      video_null_display_render_buffer,

 					      video_null_display_blank,

 					      video_null_read_render_buffer };