annotate src/video/fbcon/SDL_fbvideo.h @ 1312:c9b51268668f

Updated copyright information and removed rcs id lines (problematic in branch merges) I batch edited these files, so please let me know if I've accidentally removed anybody's credit here.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 01 Feb 2006 06:32:25 +0000
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children 19418e4422cb
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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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
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifndef _SDL_fbvideo_h
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24 #define _SDL_fbvideo_h
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25
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26 #include <sys/types.h>
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27 #include <termios.h>
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28 #include <linux/fb.h>
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29
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30 #include "SDL_mouse.h"
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31 #include "SDL_mutex.h"
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32 #include "SDL_sysvideo.h"
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33 #ifdef HAVE_TSLIB
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34 #include "tslib.h"
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35 #endif
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36
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37 /* Hidden "this" pointer for the video functions */
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38 #define _THIS SDL_VideoDevice *this
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39
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40
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41 /* This is the structure we use to keep track of video memory */
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42 typedef struct vidmem_bucket {
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43 struct vidmem_bucket *prev;
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44 int used;
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45 int dirty;
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46 char *base;
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47 unsigned int size;
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48 struct vidmem_bucket *next;
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49 } vidmem_bucket;
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50
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51 /* Private display data */
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52 struct SDL_PrivateVideoData {
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53 int console_fd;
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54 struct fb_var_screeninfo cache_vinfo;
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55 struct fb_var_screeninfo saved_vinfo;
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56 int saved_cmaplen;
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57 __u16 *saved_cmap;
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58
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59 int current_vt;
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60 int saved_vt;
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61 int keyboard_fd;
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62 int saved_kbd_mode;
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63 struct termios saved_kbd_termios;
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64
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65 int mouse_fd;
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66 #ifdef HAVE_TSLIB
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67 struct tsdev *ts_dev;
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68 #endif
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69
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70 char *mapped_mem;
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71 int mapped_memlen;
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72 int mapped_offset;
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73 char *mapped_io;
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74 long mapped_iolen;
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75 int flip_page;
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76 char *flip_address[2];
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77
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78 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
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79 int SDL_nummodes[NUM_MODELISTS];
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80 SDL_Rect **SDL_modelist[NUM_MODELISTS];
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81
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82 vidmem_bucket surfaces;
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83 int surfaces_memtotal;
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84 int surfaces_memleft;
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85
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86 SDL_mutex *hw_lock;
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87
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88 void (*wait_vbl)(_THIS);
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89 void (*wait_idle)(_THIS);
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90 };
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91 /* Old variable names */
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92 #define console_fd (this->hidden->console_fd)
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93 #define current_vt (this->hidden->current_vt)
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94 #define saved_vt (this->hidden->saved_vt)
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95 #define keyboard_fd (this->hidden->keyboard_fd)
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96 #define saved_kbd_mode (this->hidden->saved_kbd_mode)
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97 #define saved_kbd_termios (this->hidden->saved_kbd_termios)
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98 #define mouse_fd (this->hidden->mouse_fd)
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99 #ifdef HAVE_TSLIB
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100 #define ts_dev (this->hidden->ts_dev)
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101 #endif /* HAVE_TSLIB */
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102 #define cache_vinfo (this->hidden->cache_vinfo)
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103 #define saved_vinfo (this->hidden->saved_vinfo)
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104 #define saved_cmaplen (this->hidden->saved_cmaplen)
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105 #define saved_cmap (this->hidden->saved_cmap)
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106 #define mapped_mem (this->hidden->mapped_mem)
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107 #define mapped_memlen (this->hidden->mapped_memlen)
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108 #define mapped_offset (this->hidden->mapped_offset)
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109 #define mapped_io (this->hidden->mapped_io)
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110 #define mapped_iolen (this->hidden->mapped_iolen)
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111 #define flip_page (this->hidden->flip_page)
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112 #define flip_address (this->hidden->flip_address)
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113 #define SDL_nummodes (this->hidden->SDL_nummodes)
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114 #define SDL_modelist (this->hidden->SDL_modelist)
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115 #define surfaces (this->hidden->surfaces)
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116 #define surfaces_memtotal (this->hidden->surfaces_memtotal)
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117 #define surfaces_memleft (this->hidden->surfaces_memleft)
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118 #define hw_lock (this->hidden->hw_lock)
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119 #define wait_vbl (this->hidden->wait_vbl)
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120 #define wait_idle (this->hidden->wait_idle)
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121
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122 /* Accelerator types that are supported by the driver, but are not
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123 necessarily in the kernel headers on the system we compile on.
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124 */
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125 #ifndef FB_ACCEL_MATROX_MGAG400
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126 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
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127 #endif
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128 #ifndef FB_ACCEL_3DFX_BANSHEE
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129 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
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130 #endif
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131
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132 /* These functions are defined in SDL_fbvideo.c */
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133 extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area);
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134 extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area);
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135
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136 /* These are utility functions for working with video surfaces */
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137
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138 static __inline__ void FB_AddBusySurface(SDL_Surface *surface)
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139 {
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140 ((vidmem_bucket *)surface->hwdata)->dirty = 1;
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141 }
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142
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143 static __inline__ int FB_IsSurfaceBusy(SDL_Surface *surface)
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144 {
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145 return ((vidmem_bucket *)surface->hwdata)->dirty;
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146 }
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147
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148 static __inline__ void FB_WaitBusySurfaces(_THIS)
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149 {
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150 vidmem_bucket *bucket;
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151
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152 /* Wait for graphic operations to complete */
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153 wait_idle(this);
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154
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155 /* Clear all surface dirty bits */
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156 for ( bucket=&surfaces; bucket; bucket=bucket->next ) {
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157 bucket->dirty = 0;
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158 }
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159 }
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160
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161 static __inline__ void FB_dst_to_xy(_THIS, SDL_Surface *dst, int *x, int *y)
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162 {
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163 *x = (long)((char *)dst->pixels - mapped_mem)%this->screen->pitch;
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164 *y = (long)((char *)dst->pixels - mapped_mem)/this->screen->pitch;
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165 if ( dst == this->screen ) {
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166 *x += this->offset_x;
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167 *y += this->offset_y;
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168 }
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169 }
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170
0
74212992fb08 Initial revision
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171 #endif /* _SDL_fbvideo_h */