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comparison src/video/fbcon/SDL_fbvideo.h @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 63ec24e0575f
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1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 #ifndef _SDL_fbvideo_h
29 #define _SDL_fbvideo_h
30
31 #include <sys/types.h>
32 #include <termios.h>
33 #include <linux/fb.h>
34
35 #include "SDL_mouse.h"
36 #include "SDL_mutex.h"
37 #include "SDL_sysvideo.h"
38
39 /* Hidden "this" pointer for the video functions */
40 #define _THIS SDL_VideoDevice *this
41
42
43 /* This is the structure we use to keep track of video memory */
44 typedef struct vidmem_bucket {
45 struct vidmem_bucket *prev;
46 unsigned int used;
47 char *base;
48 unsigned int size;
49 struct vidmem_bucket *next;
50 } vidmem_bucket;
51
52 /* Information about the location of the surface in hardware memory */
53 struct private_hwdata {
54 int x;
55 int y;
56 };
57
58 /* Private display data */
59 struct SDL_PrivateVideoData {
60 int console_fd;
61 struct fb_var_screeninfo cache_vinfo;
62 struct fb_var_screeninfo saved_vinfo;
63 int saved_cmaplen;
64 __u16 *saved_cmap;
65
66 int current_vt;
67 int saved_vt;
68 int keyboard_fd;
69 int saved_kbd_mode;
70 struct termios saved_kbd_termios;
71
72 int mouse_fd;
73
74 char *mapped_mem;
75 int mapped_memlen;
76 int mapped_offset;
77 char *mapped_io;
78 long mapped_iolen;
79 int flip_page;
80 char *flip_address[2];
81
82 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
83 int SDL_nummodes[NUM_MODELISTS];
84 SDL_Rect **SDL_modelist[NUM_MODELISTS];
85
86 vidmem_bucket surfaces;
87 int surfaces_memtotal;
88 int surfaces_memleft;
89
90 SDL_mutex *hw_lock;
91
92 void (*wait_vbl)(_THIS);
93 };
94 /* Old variable names */
95 #define console_fd (this->hidden->console_fd)
96 #define current_vt (this->hidden->current_vt)
97 #define saved_vt (this->hidden->saved_vt)
98 #define keyboard_fd (this->hidden->keyboard_fd)
99 #define saved_kbd_mode (this->hidden->saved_kbd_mode)
100 #define saved_kbd_termios (this->hidden->saved_kbd_termios)
101 #define mouse_fd (this->hidden->mouse_fd)
102 #define cache_vinfo (this->hidden->cache_vinfo)
103 #define saved_vinfo (this->hidden->saved_vinfo)
104 #define saved_cmaplen (this->hidden->saved_cmaplen)
105 #define saved_cmap (this->hidden->saved_cmap)
106 #define mapped_mem (this->hidden->mapped_mem)
107 #define mapped_memlen (this->hidden->mapped_memlen)
108 #define mapped_offset (this->hidden->mapped_offset)
109 #define mapped_io (this->hidden->mapped_io)
110 #define mapped_iolen (this->hidden->mapped_iolen)
111 #define flip_page (this->hidden->flip_page)
112 #define flip_address (this->hidden->flip_address)
113 #define SDL_nummodes (this->hidden->SDL_nummodes)
114 #define SDL_modelist (this->hidden->SDL_modelist)
115 #define surfaces (this->hidden->surfaces)
116 #define surfaces_memtotal (this->hidden->surfaces_memtotal)
117 #define surfaces_memleft (this->hidden->surfaces_memleft)
118 #define hw_lock (this->hidden->hw_lock)
119 #define wait_vbl (this->hidden->wait_vbl)
120
121 /* Accelerator types that are supported by the driver, but are not
122 necessarily in the kernel headers on the system we compile on.
123 */
124 #ifndef FB_ACCEL_MATROX_MGAG400
125 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
126 #endif
127 #ifndef FB_ACCEL_3DFX_BANSHEE
128 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
129 #endif
130
131 /* These functions are defined in SDL_fbvideo.c */
132 extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area);
133 extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area);
134
135 #endif /* _SDL_fbvideo_h */