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lxdream.org :: lxdream/src/drivers/video_null.c
lxdream 0.9.1
released Jun 29
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filename src/drivers/video_null.c
changeset 736:a02d1475ccfd
prev700:4650d0c7f6f9
next805:b355f7b3ff2e
author nkeynes
date Mon Jul 14 07:44:42 2008 +0000 (13 years ago)
permissions -rw-r--r--
last change Re-indent everything consistently
Fix include guards for consistency as well
view annotate diff log raw
     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 )
    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_display_render_buffer( render_buffer_t buffer )
    36 {
    37 }
    39 static gboolean video_null_read_render_buffer( unsigned char *target, 
    40                                                render_buffer_t buffer, 
    41                                                int rowstride, int format )
    42 {
    43     return TRUE;
    44 }
    46 static void video_null_load_frame_buffer( frame_buffer_t frame, 
    47                                           render_buffer_t buffer )
    48 {
    49 }
    51 static void video_null_display_blank( uint32_t colour )
    52 {
    53 }
    56 struct display_driver display_null_driver = { 
    57         "null",
    58         N_("Null (no video) driver"),
    59         NULL,
    60         NULL,
    61         NULL,
    62         NULL, 
    63         NULL,
    64         video_null_create_render_buffer,
    65         video_null_destroy_render_buffer,
    66         video_null_set_render_target,
    67         video_null_load_frame_buffer,
    68         video_null_display_render_buffer,
    69         video_null_display_blank,
    70         video_null_read_render_buffer };
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