Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 3473:7bdc10624cba
This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 21 Nov 2009 07:14:21 +0000 |
| parents | 9f62f47d989b |
| 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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Added initial support for RISC OS (thanks Peter Naulls!)
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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: */ |