Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbvideo.h @ 3191:91b335df6fc8
Fixed bug #750
Since many different event structures include windowID it should be placed near
the beginning of the structure (preferably right after type) so it's position
is the same between different events.
This is to avoid code like this:
if (event.type == SDL_WINDOWEVENT)
win = event.window.windowID;
else if ((SDL_EVENTMASK(event.type) & SDL_KEYEVENTMASK) != 0)
win = event.key.windowID;
else if (event.type == SDL_TEXTINPUT)
win = event.text.windowID;
else if (event.type == SDL_MOUSEMOTION)
win = event.motion.windowID;
else if ((SDL_EVENTMASK(event.type) & (SDL_MOUBUTTONDOWNMASK |
SDL_MOUBUTTONUPMASK)) != 0)
win = event.button.windowID;
else if (event.type == SDL_MOUSEWHEEL)
win = event.wheel.windowID;
...
in favor of:
win = event.window.windowID;
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 10 Jun 2009 14:00:21 +0000 |
| parents | 99210400e8b9 |
| children | f7b03b6838cb |
| rev | line source |
|---|---|
| 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: */ |