Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 2893:e67f3f3bf221
Turn on line antialiasing (requires blending to be enabled)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 20 Dec 2008 18:40:30 +0000 |
| parents | 9dde605c7540 |
| children | 133601e3b255 |
| 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); |
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93 int (*RenderLine) (SDL_Renderer * renderer, int x1, int y1, int x2, |
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94 int y2); |
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95 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect); |
| 2753 | 96 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 97 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
| 98 void (*RenderPresent) (SDL_Renderer * renderer); | |
| 99 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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100 |
| 2753 | 101 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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102 |
| 2753 | 103 /* The current renderer info */ |
| 104 SDL_RendererInfo info; | |
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105 |
| 2753 | 106 /* The window associated with the renderer */ |
| 107 SDL_WindowID window; | |
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108 |
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109 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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110 int blendMode; /**< The drawing blend mode */ |
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111 |
| 2753 | 112 void *driverdata; |
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113 }; |
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114 |
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115 /* Define the SDL render driver structure */ |
| 2753 | 116 struct SDL_RenderDriver |
| 117 { | |
| 118 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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119 |
| 2753 | 120 /* Info about the renderer capabilities */ |
| 121 SDL_RendererInfo info; | |
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122 }; |
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123 |
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124 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 125 struct SDL_Window |
| 126 { | |
| 127 Uint32 id; | |
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128 |
| 2753 | 129 char *title; |
| 130 int x, y; | |
| 131 int w, h; | |
| 132 Uint32 flags; | |
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133 |
| 2753 | 134 int display; |
| 135 SDL_Renderer *renderer; | |
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136 |
| 2753 | 137 void *userdata; |
| 138 void *driverdata; | |
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139 }; |
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140 #define FULLSCREEN_VISIBLE(W) \ |
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141 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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142 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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143 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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144 |
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145 /* |
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146 * Define the SDL display structure This corresponds to physical monitors |
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147 * attached to the system. |
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148 */ |
| 2753 | 149 struct SDL_VideoDisplay |
| 150 { | |
| 151 int max_display_modes; | |
| 152 int num_display_modes; | |
| 153 SDL_DisplayMode *display_modes; | |
| 154 SDL_DisplayMode desktop_mode; | |
| 155 SDL_DisplayMode current_mode; | |
| 156 SDL_DisplayMode fullscreen_mode; | |
| 157 SDL_Palette *palette; | |
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158 |
| 2753 | 159 Uint16 *gamma; |
| 160 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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161 |
| 2753 | 162 int num_render_drivers; |
| 163 SDL_RenderDriver *render_drivers; | |
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164 |
| 2753 | 165 int num_windows; |
| 166 SDL_Window *windows; | |
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167 |
| 2753 | 168 SDL_Renderer *current_renderer; |
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169 |
| 2753 | 170 /* The hash list of textures */ |
| 171 SDL_Texture *textures[64]; | |
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172 |
| 2753 | 173 SDL_VideoDevice *device; |
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174 |
| 2753 | 175 void *driverdata; |
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176 }; |
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177 |
| 0 | 178 /* Define the SDL video driver structure */ |
| 179 #define _THIS SDL_VideoDevice *_this | |
| 180 | |
| 2753 | 181 struct SDL_VideoDevice |
| 182 { | |
| 183 /* * * */ | |
| 184 /* The name of this video driver */ | |
| 185 const char *name; | |
| 0 | 186 |
| 2753 | 187 /* * * */ |
| 188 /* Initialization/Query functions */ | |
| 0 | 189 |
| 2753 | 190 /* |
| 191 * Initialize the native video subsystem, filling in the list of | |
| 192 * displays for this driver, returning 0 or -1 if there's an error. | |
| 193 */ | |
| 194 int (*VideoInit) (_THIS); | |
| 0 | 195 |
| 2753 | 196 /* |
| 197 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 198 * if the application is shutting down the video subsystem. | |
| 199 */ | |
| 200 void (*VideoQuit) (_THIS); | |
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201 |
| 2753 | 202 /* * * */ |
| 203 /* | |
| 204 * Display functions | |
| 205 */ | |
| 0 | 206 |
| 2753 | 207 /* |
| 208 * Get a list of the available display modes. e.g. | |
| 209 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 210 */ | |
| 211 void (*GetDisplayModes) (_THIS); | |
| 0 | 212 |
| 2753 | 213 /* |
| 214 * Setting the display mode is independent of creating windows, so | |
| 215 * when the display mode is changed, all existing windows should have | |
| 216 * their data updated accordingly, including the display surfaces | |
| 217 * associated with them. | |
| 218 */ | |
| 219 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode); | |
| 0 | 220 |
| 2753 | 221 /* Set the color entries of the display palette */ |
| 222 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette); | |
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223 |
| 2753 | 224 /* Get the color entries of the display palette */ |
| 225 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette); | |
| 0 | 226 |
| 2753 | 227 /* Set the gamma ramp */ |
| 228 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
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229 |
| 2753 | 230 /* Get the gamma ramp */ |
| 231 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
| 0 | 232 |
| 2753 | 233 /* * * */ |
| 234 /* | |
| 235 * Window functions | |
| 236 */ | |
| 237 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 238 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 239 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
| 240 void (*SetWindowPosition) (_THIS, SDL_Window * window); | |
| 241 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 242 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 243 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 244 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 245 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 246 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 247 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 248 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 249 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 250 |
| 2753 | 251 /* Get some platform dependent window information */ |
| 252 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 253 struct SDL_SysWMinfo * info); | |
| 0 | 254 |
| 2753 | 255 /* * * */ |
| 256 /* | |
| 257 * OpenGL support | |
| 258 */ | |
| 259 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 260 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
| 261 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); | |
| 262 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 263 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 264 int (*GL_GetSwapInterval) (_THIS); | |
| 265 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 266 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 267 |
| 2753 | 268 /* * * */ |
| 269 /* | |
| 270 * Event manager functions | |
| 271 */ | |
| 272 void (*PumpEvents) (_THIS); | |
| 0 | 273 |
| 2753 | 274 /* * * */ |
| 275 /* Data common to all drivers */ | |
| 276 int num_displays; | |
| 277 SDL_VideoDisplay *displays; | |
| 278 int current_display; | |
| 279 Uint32 next_object_id; | |
| 0 | 280 |
| 2753 | 281 /* * * */ |
| 282 /* Data used by the GL drivers */ | |
| 283 struct | |
| 284 { | |
| 285 int red_size; | |
| 286 int green_size; | |
| 287 int blue_size; | |
| 288 int alpha_size; | |
| 289 int depth_size; | |
| 290 int buffer_size; | |
| 291 int stencil_size; | |
| 292 int double_buffer; | |
| 293 int accum_red_size; | |
| 294 int accum_green_size; | |
| 295 int accum_blue_size; | |
| 296 int accum_alpha_size; | |
| 297 int stereo; | |
| 298 int multisamplebuffers; | |
| 299 int multisamplesamples; | |
| 300 int accelerated; | |
| 301 int retained_backing; | |
| 302 int driver_loaded; | |
| 303 char driver_path[256]; | |
| 304 void *dll_handle; | |
| 305 } gl_config; | |
| 0 | 306 |
| 2753 | 307 /* * * */ |
| 308 /* Data private to this driver */ | |
| 309 void *driverdata; | |
| 310 struct SDL_GLDriverData *gl_data; | |
| 0 | 311 |
| 2753 | 312 /* * * */ |
| 313 /* The function used to dispose of this structure */ | |
| 314 void (*free) (_THIS); | |
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315 }; |
| 0 | 316 |
| 2753 | 317 typedef struct VideoBootStrap |
| 318 { | |
| 319 const char *name; | |
| 320 const char *desc; | |
| 321 int (*available) (void); | |
| 322 SDL_VideoDevice *(*create) (int devindex); | |
| 323 } VideoBootStrap; | |
| 0 | 324 |
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325 #if SDL_VIDEO_DRIVER_COCOA |
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326 extern VideoBootStrap COCOA_bootstrap; |
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327 #endif |
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328 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 329 extern VideoBootStrap X11_bootstrap; |
| 330 #endif | |
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331 #if SDL_VIDEO_DRIVER_NANOX |
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332 extern VideoBootStrap NX_bootstrap; |
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333 #endif |
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334 #if SDL_VIDEO_DRIVER_IPOD |
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335 extern VideoBootStrap iPod_bootstrap; |
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336 #endif |
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337 #if SDL_VIDEO_DRIVER_WSCONS |
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338 extern VideoBootStrap WSCONS_bootstrap; |
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339 #endif |
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340 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 341 extern VideoBootStrap FBCON_bootstrap; |
| 342 #endif | |
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343 #if SDL_VIDEO_DRIVER_DIRECTFB |
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344 extern VideoBootStrap DirectFB_bootstrap; |
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345 #endif |
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346 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 347 extern VideoBootStrap PS2GS_bootstrap; |
| 348 #endif | |
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349 #if SDL_VIDEO_DRIVER_VGL |
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350 extern VideoBootStrap VGL_bootstrap; |
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351 #endif |
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352 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 353 extern VideoBootStrap SVGALIB_bootstrap; |
| 354 #endif | |
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355 #if SDL_VIDEO_DRIVER_GAPI |
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356 extern VideoBootStrap GAPI_bootstrap; |
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357 #endif |
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358 #if SDL_VIDEO_DRIVER_WIN32 |
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359 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 360 #endif |
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361 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 362 extern VideoBootStrap BWINDOW_bootstrap; |
| 363 #endif | |
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364 #if SDL_VIDEO_DRIVER_PHOTON |
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365 extern VideoBootStrap ph_bootstrap; |
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366 #endif |
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367 #if SDL_VIDEO_DRIVER_EPOC |
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368 extern VideoBootStrap EPOC_bootstrap; |
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369 #endif |
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370 #if SDL_VIDEO_DRIVER_XBIOS |
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371 extern VideoBootStrap XBIOS_bootstrap; |
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372 #endif |
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373 #if SDL_VIDEO_DRIVER_GEM |
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374 extern VideoBootStrap GEM_bootstrap; |
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375 #endif |
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376 #if SDL_VIDEO_DRIVER_DC |
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377 extern VideoBootStrap DC_bootstrap; |
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378 #endif |
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379 #if SDL_VIDEO_DRIVER_RISCOS |
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380 extern VideoBootStrap RISCOS_bootstrap; |
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381 #endif |
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382 #if SDL_VIDEO_DRIVER_OS2FS |
| 1190 | 383 extern VideoBootStrap OS2FSLib_bootstrap; |
| 384 #endif | |
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385 #if SDL_VIDEO_DRIVER_UIKIT |
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386 extern VideoBootStrap UIKIT_bootstrap; |
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387 #endif |
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388 #if SDL_VIDEO_DRIVER_DUMMY |
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389 extern VideoBootStrap DUMMY_bootstrap; |
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390 #endif |
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391 #if SDL_VIDEO_DRIVER_NDS |
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392 extern VideoBootStrap NDS_bootstrap; |
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393 #endif |
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394 |
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395 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
| 0 | 396 |
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397 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 398 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 399 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
| 400 extern SDL_bool | |
| 401 SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode); | |
| 402 extern void | |
| 403 SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver); | |
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404 |
| 2753 | 405 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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406 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID); |
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407 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window); |
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408 |
| 2753 | 409 extern void SDL_OnWindowShown(SDL_Window * window); |
| 410 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 411 extern void SDL_OnWindowResized(SDL_Window * window); | |
| 412 extern void SDL_OnWindowFocusGained(SDL_Window * window); | |
| 413 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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414 extern SDL_WindowID SDL_GetFocusWindow(void); |
| 0 | 415 |
| 2753 | 416 #endif /* _SDL_sysvideo_h */ |
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417 |
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418 /* vi: set ts=4 sw=4 expandtab: */ |