Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 2908:aa6ba38c1714
Added clipping for render copy
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 23 Dec 2008 01:28:06 +0000 |
| parents | 133601e3b255 |
| children | e4a469d6ddab |
| 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); | |
| 99 void (*RenderPresent) (SDL_Renderer * renderer); | |
| 100 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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101 |
| 2753 | 102 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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103 |
| 2753 | 104 /* The current renderer info */ |
| 105 SDL_RendererInfo info; | |
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106 |
| 2753 | 107 /* The window associated with the renderer */ |
| 108 SDL_WindowID window; | |
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109 |
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110 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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111 int blendMode; /**< The drawing blend mode */ |
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112 |
| 2753 | 113 void *driverdata; |
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114 }; |
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115 |
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116 /* Define the SDL render driver structure */ |
| 2753 | 117 struct SDL_RenderDriver |
| 118 { | |
| 119 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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120 |
| 2753 | 121 /* Info about the renderer capabilities */ |
| 122 SDL_RendererInfo info; | |
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123 }; |
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124 |
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125 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 126 struct SDL_Window |
| 127 { | |
| 128 Uint32 id; | |
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129 |
| 2753 | 130 char *title; |
| 131 int x, y; | |
| 132 int w, h; | |
| 133 Uint32 flags; | |
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134 |
| 2753 | 135 int display; |
| 136 SDL_Renderer *renderer; | |
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137 |
| 2753 | 138 void *userdata; |
| 139 void *driverdata; | |
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140 }; |
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141 #define FULLSCREEN_VISIBLE(W) \ |
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142 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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143 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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144 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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145 |
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146 /* |
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147 * Define the SDL display structure This corresponds to physical monitors |
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148 * attached to the system. |
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149 */ |
| 2753 | 150 struct SDL_VideoDisplay |
| 151 { | |
| 152 int max_display_modes; | |
| 153 int num_display_modes; | |
| 154 SDL_DisplayMode *display_modes; | |
| 155 SDL_DisplayMode desktop_mode; | |
| 156 SDL_DisplayMode current_mode; | |
| 157 SDL_DisplayMode fullscreen_mode; | |
| 158 SDL_Palette *palette; | |
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159 |
| 2753 | 160 Uint16 *gamma; |
| 161 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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162 |
| 2753 | 163 int num_render_drivers; |
| 164 SDL_RenderDriver *render_drivers; | |
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165 |
| 2753 | 166 int num_windows; |
| 167 SDL_Window *windows; | |
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168 |
| 2753 | 169 SDL_Renderer *current_renderer; |
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170 |
| 2753 | 171 /* The hash list of textures */ |
| 172 SDL_Texture *textures[64]; | |
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173 |
| 2753 | 174 SDL_VideoDevice *device; |
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175 |
| 2753 | 176 void *driverdata; |
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177 }; |
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178 |
| 0 | 179 /* Define the SDL video driver structure */ |
| 180 #define _THIS SDL_VideoDevice *_this | |
| 181 | |
| 2753 | 182 struct SDL_VideoDevice |
| 183 { | |
| 184 /* * * */ | |
| 185 /* The name of this video driver */ | |
| 186 const char *name; | |
| 0 | 187 |
| 2753 | 188 /* * * */ |
| 189 /* Initialization/Query functions */ | |
| 0 | 190 |
| 2753 | 191 /* |
| 192 * Initialize the native video subsystem, filling in the list of | |
| 193 * displays for this driver, returning 0 or -1 if there's an error. | |
| 194 */ | |
| 195 int (*VideoInit) (_THIS); | |
| 0 | 196 |
| 2753 | 197 /* |
| 198 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 199 * if the application is shutting down the video subsystem. | |
| 200 */ | |
| 201 void (*VideoQuit) (_THIS); | |
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202 |
| 2753 | 203 /* * * */ |
| 204 /* | |
| 205 * Display functions | |
| 206 */ | |
| 0 | 207 |
| 2753 | 208 /* |
| 209 * Get a list of the available display modes. e.g. | |
| 210 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 211 */ | |
| 212 void (*GetDisplayModes) (_THIS); | |
| 0 | 213 |
| 2753 | 214 /* |
| 215 * Setting the display mode is independent of creating windows, so | |
| 216 * when the display mode is changed, all existing windows should have | |
| 217 * their data updated accordingly, including the display surfaces | |
| 218 * associated with them. | |
| 219 */ | |
| 220 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode); | |
| 0 | 221 |
| 2753 | 222 /* Set the color entries of the display palette */ |
| 223 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette); | |
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224 |
| 2753 | 225 /* Get the color entries of the display palette */ |
| 226 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette); | |
| 0 | 227 |
| 2753 | 228 /* Set the gamma ramp */ |
| 229 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
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230 |
| 2753 | 231 /* Get the gamma ramp */ |
| 232 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
| 0 | 233 |
| 2753 | 234 /* * * */ |
| 235 /* | |
| 236 * Window functions | |
| 237 */ | |
| 238 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 239 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 240 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
| 241 void (*SetWindowPosition) (_THIS, SDL_Window * window); | |
| 242 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 243 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 244 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 245 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 246 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 247 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 248 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 249 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 250 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 251 |
| 2753 | 252 /* Get some platform dependent window information */ |
| 253 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 254 struct SDL_SysWMinfo * info); | |
| 0 | 255 |
| 2753 | 256 /* * * */ |
| 257 /* | |
| 258 * OpenGL support | |
| 259 */ | |
| 260 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 261 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
| 262 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); | |
| 263 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 264 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 265 int (*GL_GetSwapInterval) (_THIS); | |
| 266 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 267 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 268 |
| 2753 | 269 /* * * */ |
| 270 /* | |
| 271 * Event manager functions | |
| 272 */ | |
| 273 void (*PumpEvents) (_THIS); | |
| 0 | 274 |
| 2753 | 275 /* * * */ |
| 276 /* Data common to all drivers */ | |
| 277 int num_displays; | |
| 278 SDL_VideoDisplay *displays; | |
| 279 int current_display; | |
| 280 Uint32 next_object_id; | |
| 0 | 281 |
| 2753 | 282 /* * * */ |
| 283 /* Data used by the GL drivers */ | |
| 284 struct | |
| 285 { | |
| 286 int red_size; | |
| 287 int green_size; | |
| 288 int blue_size; | |
| 289 int alpha_size; | |
| 290 int depth_size; | |
| 291 int buffer_size; | |
| 292 int stencil_size; | |
| 293 int double_buffer; | |
| 294 int accum_red_size; | |
| 295 int accum_green_size; | |
| 296 int accum_blue_size; | |
| 297 int accum_alpha_size; | |
| 298 int stereo; | |
| 299 int multisamplebuffers; | |
| 300 int multisamplesamples; | |
| 301 int accelerated; | |
| 302 int retained_backing; | |
| 303 int driver_loaded; | |
| 304 char driver_path[256]; | |
| 305 void *dll_handle; | |
| 306 } gl_config; | |
| 0 | 307 |
| 2753 | 308 /* * * */ |
| 309 /* Data private to this driver */ | |
| 310 void *driverdata; | |
| 311 struct SDL_GLDriverData *gl_data; | |
| 0 | 312 |
| 2753 | 313 /* * * */ |
| 314 /* The function used to dispose of this structure */ | |
| 315 void (*free) (_THIS); | |
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316 }; |
| 0 | 317 |
| 2753 | 318 typedef struct VideoBootStrap |
| 319 { | |
| 320 const char *name; | |
| 321 const char *desc; | |
| 322 int (*available) (void); | |
| 323 SDL_VideoDevice *(*create) (int devindex); | |
| 324 } VideoBootStrap; | |
| 0 | 325 |
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326 #if SDL_VIDEO_DRIVER_COCOA |
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327 extern VideoBootStrap COCOA_bootstrap; |
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328 #endif |
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329 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 330 extern VideoBootStrap X11_bootstrap; |
| 331 #endif | |
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332 #if SDL_VIDEO_DRIVER_NANOX |
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333 extern VideoBootStrap NX_bootstrap; |
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334 #endif |
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335 #if SDL_VIDEO_DRIVER_IPOD |
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336 extern VideoBootStrap iPod_bootstrap; |
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337 #endif |
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338 #if SDL_VIDEO_DRIVER_WSCONS |
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339 extern VideoBootStrap WSCONS_bootstrap; |
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340 #endif |
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341 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 342 extern VideoBootStrap FBCON_bootstrap; |
| 343 #endif | |
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344 #if SDL_VIDEO_DRIVER_DIRECTFB |
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345 extern VideoBootStrap DirectFB_bootstrap; |
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346 #endif |
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347 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 348 extern VideoBootStrap PS2GS_bootstrap; |
| 349 #endif | |
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350 #if SDL_VIDEO_DRIVER_VGL |
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351 extern VideoBootStrap VGL_bootstrap; |
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352 #endif |
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353 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 354 extern VideoBootStrap SVGALIB_bootstrap; |
| 355 #endif | |
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356 #if SDL_VIDEO_DRIVER_GAPI |
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357 extern VideoBootStrap GAPI_bootstrap; |
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358 #endif |
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359 #if SDL_VIDEO_DRIVER_WIN32 |
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360 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 361 #endif |
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362 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 363 extern VideoBootStrap BWINDOW_bootstrap; |
| 364 #endif | |
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365 #if SDL_VIDEO_DRIVER_PHOTON |
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366 extern VideoBootStrap ph_bootstrap; |
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367 #endif |
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368 #if SDL_VIDEO_DRIVER_EPOC |
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369 extern VideoBootStrap EPOC_bootstrap; |
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370 #endif |
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371 #if SDL_VIDEO_DRIVER_XBIOS |
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372 extern VideoBootStrap XBIOS_bootstrap; |
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373 #endif |
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374 #if SDL_VIDEO_DRIVER_GEM |
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375 extern VideoBootStrap GEM_bootstrap; |
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376 #endif |
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377 #if SDL_VIDEO_DRIVER_DC |
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378 extern VideoBootStrap DC_bootstrap; |
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379 #endif |
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380 #if SDL_VIDEO_DRIVER_RISCOS |
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381 extern VideoBootStrap RISCOS_bootstrap; |
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382 #endif |
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383 #if SDL_VIDEO_DRIVER_OS2FS |
| 1190 | 384 extern VideoBootStrap OS2FSLib_bootstrap; |
| 385 #endif | |
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386 #if SDL_VIDEO_DRIVER_UIKIT |
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387 extern VideoBootStrap UIKIT_bootstrap; |
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388 #endif |
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389 #if SDL_VIDEO_DRIVER_DUMMY |
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390 extern VideoBootStrap DUMMY_bootstrap; |
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391 #endif |
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392 #if SDL_VIDEO_DRIVER_NDS |
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393 extern VideoBootStrap NDS_bootstrap; |
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394 #endif |
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395 |
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396 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
| 0 | 397 |
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398 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 399 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 400 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
| 401 extern SDL_bool | |
| 402 SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode); | |
| 403 extern void | |
| 404 SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver); | |
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405 |
| 2753 | 406 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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407 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID); |
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408 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window); |
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409 |
| 2753 | 410 extern void SDL_OnWindowShown(SDL_Window * window); |
| 411 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 412 extern void SDL_OnWindowResized(SDL_Window * window); | |
| 413 extern void SDL_OnWindowFocusGained(SDL_Window * window); | |
| 414 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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415 extern SDL_WindowID SDL_GetFocusWindow(void); |
| 0 | 416 |
| 2753 | 417 #endif /* _SDL_sysvideo_h */ |
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418 |
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419 /* vi: set ts=4 sw=4 expandtab: */ |