Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 3435:9f62f47d989b
You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()
This code still doesn't quite work yet. :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 16 Nov 2009 07:13:07 +0000 |
| parents | 36cf454ba065 |
| children | 4b594623401b |
| 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_sysvideo_h | |
| 25 #define _SDL_sysvideo_h | |
| 26 | |
| 27 #include "SDL_mouse.h" | |
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28 #include "SDL_keysym.h" |
| 0 | 29 |
| 30 /* The SDL video driver */ | |
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31 |
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32 typedef struct SDL_Window SDL_Window; |
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33 typedef struct SDL_Texture SDL_Texture; |
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34 typedef struct SDL_Renderer SDL_Renderer; |
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35 typedef struct SDL_RenderDriver SDL_RenderDriver; |
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36 typedef struct SDL_VideoDisplay SDL_VideoDisplay; |
| 0 | 37 typedef struct SDL_VideoDevice SDL_VideoDevice; |
| 38 | |
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39 /* Define the SDL texture structure */ |
| 2753 | 40 struct SDL_Texture |
| 41 { | |
| 42 Uint32 id; | |
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43 |
| 2753 | 44 Uint32 format; /**< The pixel format of the texture */ |
| 45 int access; /**< SDL_TextureAccess */ | |
| 46 int w; /**< The width of the texture */ | |
| 47 int h; /**< The height of the texture */ | |
| 48 int modMode; /**< The texture modulation mode */ | |
| 49 int blendMode; /**< The texture blend mode */ | |
| 50 int scaleMode; /**< The texture scale mode */ | |
| 51 Uint8 r, g, b, a; /**< Texture modulation values */ | |
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52 |
| 2753 | 53 SDL_Renderer *renderer; |
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54 |
| 2753 | 55 void *driverdata; /**< Driver specific texture representation */ |
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56 |
| 2753 | 57 SDL_Texture *next; |
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58 }; |
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59 |
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60 /* Define the SDL renderer structure */ |
| 2753 | 61 struct SDL_Renderer |
| 62 { | |
| 63 int (*ActivateRenderer) (SDL_Renderer * renderer); | |
| 64 int (*DisplayModeChanged) (SDL_Renderer * renderer); | |
| 65 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 66 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 67 void **pixels, int *pitch); | |
| 68 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 69 const SDL_Color * colors, int firstcolor, | |
| 70 int ncolors); | |
| 71 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 72 SDL_Color * colors, int firstcolor, | |
| 73 int ncolors); | |
| 74 int (*SetTextureColorMod) (SDL_Renderer * renderer, | |
| 75 SDL_Texture * texture); | |
| 76 int (*SetTextureAlphaMod) (SDL_Renderer * renderer, | |
| 77 SDL_Texture * texture); | |
| 78 int (*SetTextureBlendMode) (SDL_Renderer * renderer, | |
| 79 SDL_Texture * texture); | |
| 80 int (*SetTextureScaleMode) (SDL_Renderer * renderer, | |
| 81 SDL_Texture * texture); | |
| 82 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 83 const SDL_Rect * rect, const void *pixels, | |
| 84 int pitch); | |
| 85 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 86 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 87 int *pitch); | |
| 88 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 89 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 90 int numrects, const SDL_Rect * rects); | |
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91 int (*SetDrawColor) (SDL_Renderer * renderer); |
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92 int (*SetDrawBlendMode) (SDL_Renderer * renderer); |
| 2901 | 93 int (*RenderPoint) (SDL_Renderer * renderer, int x, int y); |
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94 int (*RenderLine) (SDL_Renderer * renderer, int x1, int y1, int x2, |
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95 int y2); |
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96 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect); |
| 2753 | 97 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 98 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
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99 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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100 Uint32 format, void * pixels, int pitch); |
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101 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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102 Uint32 format, const void * pixels, int pitch); |
| 2753 | 103 void (*RenderPresent) (SDL_Renderer * renderer); |
| 104 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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105 |
| 2753 | 106 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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107 |
| 2753 | 108 /* The current renderer info */ |
| 109 SDL_RendererInfo info; | |
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110 |
| 2753 | 111 /* The window associated with the renderer */ |
| 112 SDL_WindowID window; | |
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113 |
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114 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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115 int blendMode; /**< The drawing blend mode */ |
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116 |
| 2753 | 117 void *driverdata; |
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118 }; |
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119 |
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120 /* Define the SDL render driver structure */ |
| 2753 | 121 struct SDL_RenderDriver |
| 122 { | |
| 123 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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124 |
| 2753 | 125 /* Info about the renderer capabilities */ |
| 126 SDL_RendererInfo info; | |
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127 }; |
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128 |
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129 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 130 struct SDL_Window |
| 131 { | |
| 132 Uint32 id; | |
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133 |
| 2753 | 134 char *title; |
| 135 int x, y; | |
| 136 int w, h; | |
| 137 Uint32 flags; | |
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138 |
| 2753 | 139 int display; |
| 140 SDL_Renderer *renderer; | |
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141 |
| 2753 | 142 void *userdata; |
| 143 void *driverdata; | |
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144 }; |
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145 #define FULLSCREEN_VISIBLE(W) \ |
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146 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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147 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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148 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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149 |
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150 /* |
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151 * Define the SDL display structure This corresponds to physical monitors |
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152 * attached to the system. |
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153 */ |
| 2753 | 154 struct SDL_VideoDisplay |
| 155 { | |
| 156 int max_display_modes; | |
| 157 int num_display_modes; | |
| 158 SDL_DisplayMode *display_modes; | |
| 159 SDL_DisplayMode desktop_mode; | |
| 160 SDL_DisplayMode current_mode; | |
| 161 SDL_DisplayMode fullscreen_mode; | |
| 162 SDL_Palette *palette; | |
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163 |
| 2753 | 164 Uint16 *gamma; |
| 165 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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166 |
| 2753 | 167 int num_render_drivers; |
| 168 SDL_RenderDriver *render_drivers; | |
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169 |
| 2753 | 170 int num_windows; |
| 171 SDL_Window *windows; | |
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172 |
| 2753 | 173 SDL_Renderer *current_renderer; |
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174 |
| 2753 | 175 /* The hash list of textures */ |
| 176 SDL_Texture *textures[64]; | |
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177 |
| 2753 | 178 SDL_VideoDevice *device; |
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179 |
| 2753 | 180 void *driverdata; |
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181 }; |
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182 |
| 0 | 183 /* Define the SDL video driver structure */ |
| 184 #define _THIS SDL_VideoDevice *_this | |
| 185 | |
| 2753 | 186 struct SDL_VideoDevice |
| 187 { | |
| 188 /* * * */ | |
| 189 /* The name of this video driver */ | |
| 190 const char *name; | |
| 0 | 191 |
| 2753 | 192 /* * * */ |
| 193 /* Initialization/Query functions */ | |
| 0 | 194 |
| 2753 | 195 /* |
| 196 * Initialize the native video subsystem, filling in the list of | |
| 197 * displays for this driver, returning 0 or -1 if there's an error. | |
| 198 */ | |
| 199 int (*VideoInit) (_THIS); | |
| 0 | 200 |
| 2753 | 201 /* |
| 202 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 203 * if the application is shutting down the video subsystem. | |
| 204 */ | |
| 205 void (*VideoQuit) (_THIS); | |
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206 |
| 2753 | 207 /* * * */ |
| 208 /* | |
| 209 * Display functions | |
| 210 */ | |
| 0 | 211 |
| 2753 | 212 /* |
| 213 * Get a list of the available display modes. e.g. | |
| 214 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 215 */ | |
| 216 void (*GetDisplayModes) (_THIS); | |
| 0 | 217 |
| 2753 | 218 /* |
| 219 * Setting the display mode is independent of creating windows, so | |
| 220 * when the display mode is changed, all existing windows should have | |
| 221 * their data updated accordingly, including the display surfaces | |
| 222 * associated with them. | |
| 223 */ | |
| 224 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode); | |
| 0 | 225 |
| 2753 | 226 /* Set the color entries of the display palette */ |
| 227 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette); | |
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228 |
| 2753 | 229 /* Get the color entries of the display palette */ |
| 230 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette); | |
| 0 | 231 |
| 2753 | 232 /* Set the gamma ramp */ |
| 233 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
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234 |
| 2753 | 235 /* Get the gamma ramp */ |
| 236 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
| 0 | 237 |
| 2753 | 238 /* * * */ |
| 239 /* | |
| 240 * Window functions | |
| 241 */ | |
| 242 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 243 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 244 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
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245 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon); |
| 2753 | 246 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
| 247 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 248 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 249 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 250 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 251 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 252 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 253 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 254 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 255 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 256 |
| 2753 | 257 /* Get some platform dependent window information */ |
| 258 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 259 struct SDL_SysWMinfo * info); | |
| 0 | 260 |
| 2753 | 261 /* * * */ |
| 262 /* | |
| 263 * OpenGL support | |
| 264 */ | |
| 265 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 266 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
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267 void (*GL_UnloadLibrary) (_THIS); |
| 2753 | 268 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); |
| 269 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 270 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 271 int (*GL_GetSwapInterval) (_THIS); | |
| 272 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 273 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 274 |
| 2753 | 275 /* * * */ |
| 276 /* | |
| 277 * Event manager functions | |
| 278 */ | |
| 279 void (*PumpEvents) (_THIS); | |
| 0 | 280 |
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281 /* Suspend the screensaver */ |
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282 void (*SuspendScreenSaver) (_THIS); |
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283 |
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284 /* Text input */ |
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285 void (*StartTextInput) (_THIS); |
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286 void (*StopTextInput) (_THIS); |
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287 void (*SetTextInputRect) (_THIS, SDL_Rect *rect); |
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288 |
| 2753 | 289 /* * * */ |
| 290 /* Data common to all drivers */ | |
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291 SDL_bool suspend_screensaver; |
| 2753 | 292 int num_displays; |
| 293 SDL_VideoDisplay *displays; | |
| 294 int current_display; | |
| 295 Uint32 next_object_id; | |
| 0 | 296 |
| 2753 | 297 /* * * */ |
| 298 /* Data used by the GL drivers */ | |
| 299 struct | |
| 300 { | |
| 301 int red_size; | |
| 302 int green_size; | |
| 303 int blue_size; | |
| 304 int alpha_size; | |
| 305 int depth_size; | |
| 306 int buffer_size; | |
| 307 int stencil_size; | |
| 308 int double_buffer; | |
| 309 int accum_red_size; | |
| 310 int accum_green_size; | |
| 311 int accum_blue_size; | |
| 312 int accum_alpha_size; | |
| 313 int stereo; | |
| 314 int multisamplebuffers; | |
| 315 int multisamplesamples; | |
| 316 int accelerated; | |
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317 int major_version; |
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318 int minor_version; |
| 2753 | 319 int retained_backing; |
| 320 int driver_loaded; | |
| 321 char driver_path[256]; | |
| 322 void *dll_handle; | |
| 323 } gl_config; | |
| 0 | 324 |
| 2753 | 325 /* * * */ |
| 326 /* Data private to this driver */ | |
| 327 void *driverdata; | |
| 328 struct SDL_GLDriverData *gl_data; | |
| 0 | 329 |
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330 #if SDL_VIDEO_DRIVER_PANDORA |
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331 struct SDL_PrivateGLESData *gles_data; |
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332 #endif |
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333 |
| 2753 | 334 /* * * */ |
| 335 /* The function used to dispose of this structure */ | |
| 336 void (*free) (_THIS); | |
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337 }; |
| 0 | 338 |
| 2753 | 339 typedef struct VideoBootStrap |
| 340 { | |
| 341 const char *name; | |
| 342 const char *desc; | |
| 343 int (*available) (void); | |
| 344 SDL_VideoDevice *(*create) (int devindex); | |
| 345 } VideoBootStrap; | |
| 0 | 346 |
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347 #if SDL_VIDEO_DRIVER_COCOA |
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348 extern VideoBootStrap COCOA_bootstrap; |
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349 #endif |
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350 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 351 extern VideoBootStrap X11_bootstrap; |
| 352 #endif | |
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353 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 354 extern VideoBootStrap FBCON_bootstrap; |
| 355 #endif | |
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356 #if SDL_VIDEO_DRIVER_DIRECTFB |
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357 extern VideoBootStrap DirectFB_bootstrap; |
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358 #endif |
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359 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 360 extern VideoBootStrap PS2GS_bootstrap; |
| 361 #endif | |
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362 #if SDL_VIDEO_DRIVER_PS3 |
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363 extern VideoBootStrap PS3_bootstrap; |
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364 #endif |
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365 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 366 extern VideoBootStrap SVGALIB_bootstrap; |
| 367 #endif | |
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368 #if SDL_VIDEO_DRIVER_GAPI |
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369 extern VideoBootStrap GAPI_bootstrap; |
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370 #endif |
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371 #if SDL_VIDEO_DRIVER_WIN32 |
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372 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 373 #endif |
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374 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 375 extern VideoBootStrap BWINDOW_bootstrap; |
| 376 #endif | |
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377 #if SDL_VIDEO_DRIVER_PHOTON |
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378 extern VideoBootStrap photon_bootstrap; |
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379 #endif |
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380 #if SDL_VIDEO_DRIVER_QNXGF |
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381 extern VideoBootStrap qnxgf_bootstrap; |
|
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382 #endif |
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383 #if SDL_VIDEO_DRIVER_EPOC |
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384 extern VideoBootStrap EPOC_bootstrap; |
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385 #endif |
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386 #if SDL_VIDEO_DRIVER_RISCOS |
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387 extern VideoBootStrap RISCOS_bootstrap; |
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388 #endif |
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389 #if SDL_VIDEO_DRIVER_UIKIT |
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390 extern VideoBootStrap UIKIT_bootstrap; |
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391 #endif |
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392 #if SDL_VIDEO_DRIVER_DUMMY |
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393 extern VideoBootStrap DUMMY_bootstrap; |
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394 #endif |
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395 #if SDL_VIDEO_DRIVER_NDS |
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396 extern VideoBootStrap NDS_bootstrap; |
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397 #endif |
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398 #if SDL_VIDEO_DRIVER_PANDORA |
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399 extern VideoBootStrap PND_bootstrap; |
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400 #endif |
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401 |
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402 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
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403 #define SDL_CurrentRenderer (SDL_CurrentDisplay.current_renderer) |
| 0 | 404 |
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405 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 406 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 407 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
| 408 extern SDL_bool | |
| 409 SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode); | |
| 410 extern void | |
| 411 SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver); | |
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412 |
| 2753 | 413 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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414 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID); |
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415 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window); |
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416 |
| 2753 | 417 extern void SDL_OnWindowShown(SDL_Window * window); |
| 418 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 419 extern void SDL_OnWindowResized(SDL_Window * window); | |
| 420 extern void SDL_OnWindowFocusGained(SDL_Window * window); | |
| 421 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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422 extern SDL_WindowID SDL_GetFocusWindow(void); |
| 0 | 423 |
| 2753 | 424 #endif /* _SDL_sysvideo_h */ |
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425 |
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426 /* vi: set ts=4 sw=4 expandtab: */ |