Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbvideo.h @ 2859:99210400e8b9
Updated copyright date
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 08 Dec 2008 00:27:32 +0000 |
parents | c121d94672cb |
children | f7b03b6838cb |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 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 | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 #ifndef _SDL_fbvideo_h | |
25 #define _SDL_fbvideo_h | |
26 | |
27 #include <sys/types.h> | |
28 #include <termios.h> | |
29 #include <linux/fb.h> | |
30 | |
31 #include "SDL_mouse.h" | |
32 #include "SDL_mutex.h" | |
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33 #include "../SDL_sysvideo.h" |
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34 #if SDL_INPUT_TSLIB |
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35 #include "tslib.h" |
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36 #endif |
0 | 37 |
38 /* Hidden "this" pointer for the video functions */ | |
39 #define _THIS SDL_VideoDevice *this | |
40 | |
41 | |
42 /* This is the structure we use to keep track of video memory */ | |
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43 typedef struct vidmem_bucket |
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44 { |
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45 struct vidmem_bucket *prev; |
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46 int used; |
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47 int dirty; |
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48 char *base; |
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49 unsigned int size; |
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50 struct vidmem_bucket *next; |
0 | 51 } vidmem_bucket; |
52 | |
53 /* Private display data */ | |
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54 struct SDL_PrivateVideoData |
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55 { |
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56 int console_fd; |
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57 struct fb_var_screeninfo cache_vinfo; |
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58 struct fb_var_screeninfo saved_vinfo; |
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59 int saved_cmaplen; |
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60 __u16 *saved_cmap; |
0 | 61 |
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62 int current_vt; |
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63 int saved_vt; |
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64 int keyboard_fd; |
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65 int saved_kbd_mode; |
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66 struct termios saved_kbd_termios; |
0 | 67 |
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68 int mouse_fd; |
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69 #if SDL_INPUT_TSLIB |
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70 struct tsdev *ts_dev; |
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71 #endif |
0 | 72 |
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73 char *mapped_mem; |
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74 int mapped_memlen; |
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75 int mapped_offset; |
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76 char *mapped_io; |
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77 long mapped_iolen; |
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78 int flip_page; |
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79 char *flip_address[2]; |
0 | 80 |
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81 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ |
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82 int SDL_nummodes[NUM_MODELISTS]; |
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83 SDL_Rect **SDL_modelist[NUM_MODELISTS]; |
0 | 84 |
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85 vidmem_bucket surfaces; |
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86 int surfaces_memtotal; |
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87 int surfaces_memleft; |
0 | 88 |
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89 SDL_mutex *hw_lock; |
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90 int switched_away; |
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91 struct fb_var_screeninfo screen_vinfo; |
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92 Uint32 screen_arealen; |
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93 Uint8 *screen_contents; |
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94 __u16 screen_palette[3 * 256]; |
0 | 95 |
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96 void (*wait_vbl) (_THIS); |
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97 void (*wait_idle) (_THIS); |
0 | 98 }; |
99 /* Old variable names */ | |
100 #define console_fd (this->hidden->console_fd) | |
101 #define current_vt (this->hidden->current_vt) | |
102 #define saved_vt (this->hidden->saved_vt) | |
103 #define keyboard_fd (this->hidden->keyboard_fd) | |
104 #define saved_kbd_mode (this->hidden->saved_kbd_mode) | |
105 #define saved_kbd_termios (this->hidden->saved_kbd_termios) | |
106 #define mouse_fd (this->hidden->mouse_fd) | |
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107 #if SDL_INPUT_TSLIB |
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108 #define ts_dev (this->hidden->ts_dev) |
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109 #endif |
0 | 110 #define cache_vinfo (this->hidden->cache_vinfo) |
111 #define saved_vinfo (this->hidden->saved_vinfo) | |
112 #define saved_cmaplen (this->hidden->saved_cmaplen) | |
113 #define saved_cmap (this->hidden->saved_cmap) | |
114 #define mapped_mem (this->hidden->mapped_mem) | |
115 #define mapped_memlen (this->hidden->mapped_memlen) | |
116 #define mapped_offset (this->hidden->mapped_offset) | |
117 #define mapped_io (this->hidden->mapped_io) | |
118 #define mapped_iolen (this->hidden->mapped_iolen) | |
119 #define flip_page (this->hidden->flip_page) | |
120 #define flip_address (this->hidden->flip_address) | |
121 #define SDL_nummodes (this->hidden->SDL_nummodes) | |
122 #define SDL_modelist (this->hidden->SDL_modelist) | |
123 #define surfaces (this->hidden->surfaces) | |
124 #define surfaces_memtotal (this->hidden->surfaces_memtotal) | |
125 #define surfaces_memleft (this->hidden->surfaces_memleft) | |
126 #define hw_lock (this->hidden->hw_lock) | |
1780 | 127 #define switched_away (this->hidden->switched_away) |
128 #define screen_vinfo (this->hidden->screen_vinfo) | |
129 #define screen_arealen (this->hidden->screen_arealen) | |
130 #define screen_contents (this->hidden->screen_contents) | |
131 #define screen_palette (this->hidden->screen_palette) | |
0 | 132 #define wait_vbl (this->hidden->wait_vbl) |
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133 #define wait_idle (this->hidden->wait_idle) |
0 | 134 |
135 /* Accelerator types that are supported by the driver, but are not | |
136 necessarily in the kernel headers on the system we compile on. | |
137 */ | |
138 #ifndef FB_ACCEL_MATROX_MGAG400 | |
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139 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ |
0 | 140 #endif |
141 #ifndef FB_ACCEL_3DFX_BANSHEE | |
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142 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ |
0 | 143 #endif |
144 | |
145 /* These functions are defined in SDL_fbvideo.c */ | |
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146 extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 * area); |
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147 extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 * area); |
0 | 148 |
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149 /* These are utility functions for working with video surfaces */ |
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150 |
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151 static __inline__ void |
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152 FB_AddBusySurface(SDL_Surface * surface) |
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153 { |
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154 ((vidmem_bucket *) surface->hwdata)->dirty = 1; |
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155 } |
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156 |
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157 static __inline__ int |
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158 FB_IsSurfaceBusy(SDL_Surface * surface) |
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159 { |
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160 return ((vidmem_bucket *) surface->hwdata)->dirty; |
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161 } |
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162 |
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163 static __inline__ void |
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164 FB_WaitBusySurfaces(_THIS) |
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165 { |
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166 vidmem_bucket *bucket; |
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167 |
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168 /* Wait for graphic operations to complete */ |
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169 wait_idle(this); |
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170 |
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171 /* Clear all surface dirty bits */ |
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172 for (bucket = &surfaces; bucket; bucket = bucket->next) { |
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173 bucket->dirty = 0; |
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174 } |
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175 } |
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176 |
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177 static __inline__ void |
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178 FB_dst_to_xy(_THIS, SDL_Surface * dst, int *x, int *y) |
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179 { |
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180 *x = (long) ((char *) dst->pixels - mapped_mem) % this->screen->pitch; |
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181 *y = (long) ((char *) dst->pixels - mapped_mem) / this->screen->pitch; |
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182 if (dst == this->screen) { |
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183 *x += this->offset_x; |
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184 *y += this->offset_y; |
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185 } |
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186 } |
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187 |
0 | 188 #endif /* _SDL_fbvideo_h */ |
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189 /* vi: set ts=4 sw=4 expandtab: */ |