Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbvideo.h @ 4396:f5d3f7fa071d SDL-1.2
1.2 pulseaudio: make some function pointers static.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sun, 17 Jan 2010 05:17:59 +0000 |
| parents | ba587a51f899 |
| children |
| rev | line source |
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| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 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 | |
| 4256 | 41 typedef void FB_bitBlit( |
| 42 Uint8 *src_pos, | |
| 43 int src_right_delta, /* pixels, not bytes */ | |
| 44 int src_down_delta, /* pixels, not bytes */ | |
| 45 Uint8 *dst_pos, | |
| 46 int dst_linebytes, | |
| 47 int width, | |
| 48 int height); | |
| 0 | 49 |
| 50 /* This is the structure we use to keep track of video memory */ | |
| 51 typedef struct vidmem_bucket { | |
| 52 struct vidmem_bucket *prev; | |
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53 int used; |
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54 int dirty; |
| 0 | 55 char *base; |
| 56 unsigned int size; | |
| 57 struct vidmem_bucket *next; | |
| 58 } vidmem_bucket; | |
| 59 | |
| 60 /* Private display data */ | |
| 61 struct SDL_PrivateVideoData { | |
| 62 int console_fd; | |
| 63 struct fb_var_screeninfo cache_vinfo; | |
| 64 struct fb_var_screeninfo saved_vinfo; | |
| 65 int saved_cmaplen; | |
| 66 __u16 *saved_cmap; | |
| 67 | |
| 68 int current_vt; | |
| 69 int saved_vt; | |
| 70 int keyboard_fd; | |
| 71 int saved_kbd_mode; | |
| 72 struct termios saved_kbd_termios; | |
| 73 | |
| 74 int mouse_fd; | |
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75 #if SDL_INPUT_TSLIB |
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76 struct tsdev *ts_dev; |
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77 #endif |
| 0 | 78 |
| 79 char *mapped_mem; | |
| 4256 | 80 char *shadow_mem; |
| 0 | 81 int mapped_memlen; |
| 82 int mapped_offset; | |
| 83 char *mapped_io; | |
| 84 long mapped_iolen; | |
| 85 int flip_page; | |
| 86 char *flip_address[2]; | |
| 4256 | 87 int rotate; |
| 88 int shadow_fb; /* Tells whether a shadow is being used. */ | |
| 89 FB_bitBlit *blitFunc; | |
| 90 int physlinebytes; /* Length of a line in bytes in physical fb */ | |
| 0 | 91 |
| 92 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | |
| 93 int SDL_nummodes[NUM_MODELISTS]; | |
| 94 SDL_Rect **SDL_modelist[NUM_MODELISTS]; | |
| 95 | |
| 96 vidmem_bucket surfaces; | |
| 97 int surfaces_memtotal; | |
| 98 int surfaces_memleft; | |
| 99 | |
| 100 SDL_mutex *hw_lock; | |
| 1780 | 101 int switched_away; |
| 102 struct fb_var_screeninfo screen_vinfo; | |
| 103 Uint32 screen_arealen; | |
| 104 Uint8 *screen_contents; | |
| 105 __u16 screen_palette[3*256]; | |
| 0 | 106 |
| 107 void (*wait_vbl)(_THIS); | |
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108 void (*wait_idle)(_THIS); |
| 0 | 109 }; |
| 110 /* Old variable names */ | |
| 111 #define console_fd (this->hidden->console_fd) | |
| 112 #define current_vt (this->hidden->current_vt) | |
| 113 #define saved_vt (this->hidden->saved_vt) | |
| 114 #define keyboard_fd (this->hidden->keyboard_fd) | |
| 115 #define saved_kbd_mode (this->hidden->saved_kbd_mode) | |
| 116 #define saved_kbd_termios (this->hidden->saved_kbd_termios) | |
| 117 #define mouse_fd (this->hidden->mouse_fd) | |
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118 #if SDL_INPUT_TSLIB |
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119 #define ts_dev (this->hidden->ts_dev) |
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120 #endif |
| 0 | 121 #define cache_vinfo (this->hidden->cache_vinfo) |
| 122 #define saved_vinfo (this->hidden->saved_vinfo) | |
| 123 #define saved_cmaplen (this->hidden->saved_cmaplen) | |
| 124 #define saved_cmap (this->hidden->saved_cmap) | |
| 125 #define mapped_mem (this->hidden->mapped_mem) | |
| 4256 | 126 #define shadow_mem (this->hidden->shadow_mem) |
| 0 | 127 #define mapped_memlen (this->hidden->mapped_memlen) |
| 128 #define mapped_offset (this->hidden->mapped_offset) | |
| 129 #define mapped_io (this->hidden->mapped_io) | |
| 130 #define mapped_iolen (this->hidden->mapped_iolen) | |
| 131 #define flip_page (this->hidden->flip_page) | |
| 132 #define flip_address (this->hidden->flip_address) | |
| 4256 | 133 #define rotate (this->hidden->rotate) |
| 134 #define shadow_fb (this->hidden->shadow_fb) | |
| 135 #define blitFunc (this->hidden->blitFunc) | |
| 136 #define physlinebytes (this->hidden->physlinebytes) | |
| 0 | 137 #define SDL_nummodes (this->hidden->SDL_nummodes) |
| 138 #define SDL_modelist (this->hidden->SDL_modelist) | |
| 139 #define surfaces (this->hidden->surfaces) | |
| 140 #define surfaces_memtotal (this->hidden->surfaces_memtotal) | |
| 141 #define surfaces_memleft (this->hidden->surfaces_memleft) | |
| 142 #define hw_lock (this->hidden->hw_lock) | |
| 1780 | 143 #define switched_away (this->hidden->switched_away) |
| 144 #define screen_vinfo (this->hidden->screen_vinfo) | |
| 145 #define screen_arealen (this->hidden->screen_arealen) | |
| 146 #define screen_contents (this->hidden->screen_contents) | |
| 147 #define screen_palette (this->hidden->screen_palette) | |
| 0 | 148 #define wait_vbl (this->hidden->wait_vbl) |
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149 #define wait_idle (this->hidden->wait_idle) |
| 0 | 150 |
| 151 /* Accelerator types that are supported by the driver, but are not | |
| 152 necessarily in the kernel headers on the system we compile on. | |
| 153 */ | |
| 154 #ifndef FB_ACCEL_MATROX_MGAG400 | |
| 155 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ | |
| 156 #endif | |
| 157 #ifndef FB_ACCEL_3DFX_BANSHEE | |
| 158 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ | |
| 159 #endif | |
| 160 | |
| 161 /* These functions are defined in SDL_fbvideo.c */ | |
| 162 extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area); | |
| 163 extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area); | |
| 164 | |
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165 /* These are utility functions for working with video surfaces */ |
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166 |
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167 static __inline__ void FB_AddBusySurface(SDL_Surface *surface) |
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168 { |
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169 ((vidmem_bucket *)surface->hwdata)->dirty = 1; |
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170 } |
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171 |
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172 static __inline__ int FB_IsSurfaceBusy(SDL_Surface *surface) |
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173 { |
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174 return ((vidmem_bucket *)surface->hwdata)->dirty; |
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175 } |
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176 |
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177 static __inline__ void FB_WaitBusySurfaces(_THIS) |
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178 { |
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179 vidmem_bucket *bucket; |
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180 |
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181 /* Wait for graphic operations to complete */ |
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182 wait_idle(this); |
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183 |
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184 /* Clear all surface dirty bits */ |
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185 for ( bucket=&surfaces; bucket; bucket=bucket->next ) { |
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186 bucket->dirty = 0; |
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187 } |
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188 } |
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189 |
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190 static __inline__ void FB_dst_to_xy(_THIS, SDL_Surface *dst, int *x, int *y) |
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191 { |
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192 *x = (long)((char *)dst->pixels - mapped_mem)%this->screen->pitch; |
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193 *y = (long)((char *)dst->pixels - mapped_mem)/this->screen->pitch; |
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194 if ( dst == this->screen ) { |
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195 *x += this->offset_x; |
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196 *y += this->offset_y; |
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197 } |
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198 } |
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199 |
| 0 | 200 #endif /* _SDL_fbvideo_h */ |