lxdream.org :: lxdream/src/drivers/video

tree revision 989:7baf5ecd8e98

filename	src/drivers/video_null.c
changeset	805:b355f7b3ff2e
prev	736:a02d1475ccfd
next	1081:ef31ae97bb8b
author	nkeynes
date	Sat Feb 28 06:26:48 2009 +0000 (15 years ago)
permissions	-rw-r--r--
last change	Add SDL audio driver, thanks to Wahrhaft!

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     1 /**

     2  * $Id$

     3  *

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

     5  *

     6  * Copyright (c) 2005 Nathan Keynes.

     7  *

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

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

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

    11  * (at your option) any later version.

    12  *

    13  * This program is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16  * GNU General Public License for more details.

    17  */

    19 #include "display.h"

    21 static render_buffer_t video_null_create_render_buffer( uint32_t hres, uint32_t vres, GLuint tex_id )

    22 {

    23     return NULL;

    24 }

    26 static void video_null_destroy_render_buffer( render_buffer_t buffer )

    27 {

    28 }

    30 static gboolean video_null_set_render_target( render_buffer_t buffer )

    31 {

    32     return TRUE;

    33 }

    35 static void video_null_finish_render( render_buffer_t buffer )

    36 {

    37 }

    39 static void video_null_display_render_buffer( render_buffer_t buffer )

    40 {

    41 }

    43 static gboolean video_null_read_render_buffer( unsigned char *target,

    44                                                render_buffer_t buffer,

    45                                                int rowstride, int format )

    46 {

    47     return TRUE;

    48 }

    50 static void video_null_load_frame_buffer( frame_buffer_t frame,

    51                                           render_buffer_t buffer )

    52 {

    53 }

    55 static void video_null_display_blank( uint32_t colour )

    56 {

    57 }

    60 struct display_driver display_null_driver = {

    61         "null",

    62         N_("Null (no video) driver"),

    63         NULL,

    64         NULL,

    65         NULL,

    66         NULL,

    67         NULL,

    68         video_null_create_render_buffer,

    69         video_null_destroy_render_buffer,

    70         video_null_set_render_target,

    71         video_null_finish_render,

    72         video_null_load_frame_buffer,

    73         video_null_display_render_buffer,

    74         video_null_display_blank,

    75         video_null_read_render_buffer };