lxdream 0.9.1| filename | src/drivers/video_null.c |
| changeset | 1159:580436b01b6c |
| prev | 1134:f502f3d32f90 |
| author | nkeynes |
| date | Fri Feb 24 21:17:47 2012 +1000 (11 years ago) |
| permissions | -rw-r--r-- |
| last change | Factor video_width/video_height out into video_gl.c Convert immediate-mode bits in video_gl.c into a structure for glDrawArray Move setOrtho into defineOrthoMatrix in glutil.c Rearrange various GL settings to keep a consistent state |
| 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"
20 #include "drivers/video_gl.h"
22 static gboolean video_null_init( void );
24 static render_buffer_t video_null_create_render_buffer( uint32_t hres, uint32_t vres, GLuint tex_id )
25 {
26 return NULL;
27 }
29 static void video_null_destroy_render_buffer( render_buffer_t buffer )
30 {
31 }
33 static gboolean video_null_set_render_target( render_buffer_t buffer )
34 {
35 return TRUE;
36 }
38 static void video_null_finish_render( render_buffer_t buffer )
39 {
40 }
42 static void video_null_display_render_buffer( render_buffer_t buffer )
43 {
44 }
46 static gboolean video_null_read_render_buffer( unsigned char *target,
47 render_buffer_t buffer,
48 int rowstride, int format )
49 {
50 return TRUE;
51 }
53 static void video_null_load_frame_buffer( frame_buffer_t frame,
54 render_buffer_t buffer )
55 {
56 }
58 static void video_null_display_blank( uint32_t colour )
59 {
60 }
62 static void video_null_swap_buffers(void)
63 {
64 }
66 struct display_driver display_null_driver = {
67 "null",
68 N_("Null (no video) driver"),
69 video_null_init,
70 NULL,
71 NULL,
72 NULL,
73 NULL,
74 video_null_create_render_buffer,
75 video_null_destroy_render_buffer,
76 video_null_set_render_target,
77 video_null_finish_render,
78 video_null_load_frame_buffer,
79 video_null_display_render_buffer,
80 video_null_display_blank,
81 video_null_swap_buffers,
82 video_null_read_render_buffer,
83 NULL };
85 static gboolean video_null_init( void )
86 {
87 gl_vbo_fallback_init(&display_null_driver);
88 return TRUE;
89 }
.