Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 3549:686f0e69cd37
Finished implementing RenderReadPixels()
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 12 Dec 2009 04:01:40 +0000 |
| parents | 0267b8b1595c |
| children | f638ded38b8a |
| 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 (*RenderPoints) (SDL_Renderer * renderer, const SDL_Point * points, |
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94 int count); |
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95 int (*RenderLines) (SDL_Renderer * renderer, const SDL_Point * points, |
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96 int count); |
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97 int (*RenderRects) (SDL_Renderer * renderer, const SDL_Rect ** rects, |
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98 int count); |
| 2753 | 99 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 100 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
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101 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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102 Uint32 format, void * pixels, int pitch); |
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103 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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104 Uint32 format, const void * pixels, int pitch); |
| 2753 | 105 void (*RenderPresent) (SDL_Renderer * renderer); |
| 106 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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107 |
| 2753 | 108 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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109 |
| 2753 | 110 /* The current renderer info */ |
| 111 SDL_RendererInfo info; | |
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112 |
| 2753 | 113 /* The window associated with the renderer */ |
| 114 SDL_WindowID window; | |
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115 |
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116 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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117 int blendMode; /**< The drawing blend mode */ |
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118 |
| 2753 | 119 void *driverdata; |
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120 }; |
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121 |
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122 /* Define the SDL render driver structure */ |
| 2753 | 123 struct SDL_RenderDriver |
| 124 { | |
| 125 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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126 |
| 2753 | 127 /* Info about the renderer capabilities */ |
| 128 SDL_RendererInfo info; | |
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129 }; |
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130 |
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131 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 132 struct SDL_Window |
| 133 { | |
| 134 Uint32 id; | |
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135 |
| 2753 | 136 char *title; |
| 137 int x, y; | |
| 138 int w, h; | |
| 139 Uint32 flags; | |
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140 |
| 2753 | 141 int display; |
| 142 SDL_Renderer *renderer; | |
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143 |
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144 SDL_DisplayMode fullscreen_mode; |
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145 |
| 2753 | 146 void *userdata; |
| 147 void *driverdata; | |
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148 }; |
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149 #define FULLSCREEN_VISIBLE(W) \ |
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150 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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151 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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152 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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153 |
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154 /* |
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155 * Define the SDL display structure This corresponds to physical monitors |
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156 * attached to the system. |
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157 */ |
| 2753 | 158 struct SDL_VideoDisplay |
| 159 { | |
| 160 int max_display_modes; | |
| 161 int num_display_modes; | |
| 162 SDL_DisplayMode *display_modes; | |
| 163 SDL_DisplayMode desktop_mode; | |
| 164 SDL_DisplayMode current_mode; | |
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165 SDL_bool updating_fullscreen; |
| 2753 | 166 SDL_Palette *palette; |
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167 |
| 2753 | 168 Uint16 *gamma; |
| 169 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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170 |
| 2753 | 171 int num_render_drivers; |
| 172 SDL_RenderDriver *render_drivers; | |
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173 |
| 2753 | 174 int num_windows; |
| 175 SDL_Window *windows; | |
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176 SDL_Window *fullscreen_window; |
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177 |
| 2753 | 178 SDL_Renderer *current_renderer; |
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179 |
| 2753 | 180 /* The hash list of textures */ |
| 181 SDL_Texture *textures[64]; | |
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182 |
| 2753 | 183 SDL_VideoDevice *device; |
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184 |
| 2753 | 185 void *driverdata; |
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186 }; |
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187 |
| 0 | 188 /* Define the SDL video driver structure */ |
| 189 #define _THIS SDL_VideoDevice *_this | |
| 190 | |
| 2753 | 191 struct SDL_VideoDevice |
| 192 { | |
| 193 /* * * */ | |
| 194 /* The name of this video driver */ | |
| 195 const char *name; | |
| 0 | 196 |
| 2753 | 197 /* * * */ |
| 198 /* Initialization/Query functions */ | |
| 0 | 199 |
| 2753 | 200 /* |
| 201 * Initialize the native video subsystem, filling in the list of | |
| 202 * displays for this driver, returning 0 or -1 if there's an error. | |
| 203 */ | |
| 204 int (*VideoInit) (_THIS); | |
| 0 | 205 |
| 2753 | 206 /* |
| 207 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 208 * if the application is shutting down the video subsystem. | |
| 209 */ | |
| 210 void (*VideoQuit) (_THIS); | |
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211 |
| 2753 | 212 /* * * */ |
| 213 /* | |
| 214 * Display functions | |
| 215 */ | |
| 0 | 216 |
| 2753 | 217 /* |
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218 * Get the bounds of a display |
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219 */ |
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220 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect); |
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221 |
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222 /* |
| 2753 | 223 * Get a list of the available display modes. e.g. |
| 224 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 225 */ | |
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226 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display); |
| 0 | 227 |
| 2753 | 228 /* |
| 229 * Setting the display mode is independent of creating windows, so | |
| 230 * when the display mode is changed, all existing windows should have | |
| 231 * their data updated accordingly, including the display surfaces | |
| 232 * associated with them. | |
| 233 */ | |
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234 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
| 0 | 235 |
| 2753 | 236 /* Set the color entries of the display palette */ |
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237 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
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238 |
| 2753 | 239 /* Get the color entries of the display palette */ |
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240 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
| 0 | 241 |
| 2753 | 242 /* Set the gamma ramp */ |
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243 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
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244 |
| 2753 | 245 /* Get the gamma ramp */ |
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246 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
| 0 | 247 |
| 2753 | 248 /* * * */ |
| 249 /* | |
| 250 * Window functions | |
| 251 */ | |
| 252 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 253 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 254 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
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255 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon); |
| 2753 | 256 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
| 257 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 258 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 259 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 260 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 261 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 262 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 263 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 264 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 265 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 266 |
| 2753 | 267 /* Get some platform dependent window information */ |
| 268 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 269 struct SDL_SysWMinfo * info); | |
| 0 | 270 |
| 2753 | 271 /* * * */ |
| 272 /* | |
| 273 * OpenGL support | |
| 274 */ | |
| 275 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 276 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
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277 void (*GL_UnloadLibrary) (_THIS); |
| 2753 | 278 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); |
| 279 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 280 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 281 int (*GL_GetSwapInterval) (_THIS); | |
| 282 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 283 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 284 |
| 2753 | 285 /* * * */ |
| 286 /* | |
| 287 * Event manager functions | |
| 288 */ | |
| 289 void (*PumpEvents) (_THIS); | |
| 0 | 290 |
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291 /* Suspend the screensaver */ |
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292 void (*SuspendScreenSaver) (_THIS); |
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293 |
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294 /* Text input */ |
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295 void (*StartTextInput) (_THIS); |
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296 void (*StopTextInput) (_THIS); |
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297 void (*SetTextInputRect) (_THIS, SDL_Rect *rect); |
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298 |
| 2753 | 299 /* * * */ |
| 300 /* Data common to all drivers */ | |
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301 SDL_bool suspend_screensaver; |
| 2753 | 302 int num_displays; |
| 303 SDL_VideoDisplay *displays; | |
| 304 int current_display; | |
| 305 Uint32 next_object_id; | |
| 0 | 306 |
| 2753 | 307 /* * * */ |
| 308 /* Data used by the GL drivers */ | |
| 309 struct | |
| 310 { | |
| 311 int red_size; | |
| 312 int green_size; | |
| 313 int blue_size; | |
| 314 int alpha_size; | |
| 315 int depth_size; | |
| 316 int buffer_size; | |
| 317 int stencil_size; | |
| 318 int double_buffer; | |
| 319 int accum_red_size; | |
| 320 int accum_green_size; | |
| 321 int accum_blue_size; | |
| 322 int accum_alpha_size; | |
| 323 int stereo; | |
| 324 int multisamplebuffers; | |
| 325 int multisamplesamples; | |
| 326 int accelerated; | |
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327 int major_version; |
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328 int minor_version; |
| 2753 | 329 int retained_backing; |
| 330 int driver_loaded; | |
| 331 char driver_path[256]; | |
| 332 void *dll_handle; | |
| 333 } gl_config; | |
| 0 | 334 |
| 2753 | 335 /* * * */ |
| 336 /* Data private to this driver */ | |
| 337 void *driverdata; | |
| 338 struct SDL_GLDriverData *gl_data; | |
| 0 | 339 |
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340 #if SDL_VIDEO_DRIVER_PANDORA |
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341 struct SDL_PrivateGLESData *gles_data; |
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342 #endif |
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343 |
| 2753 | 344 /* * * */ |
| 345 /* The function used to dispose of this structure */ | |
| 346 void (*free) (_THIS); | |
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347 }; |
| 0 | 348 |
| 2753 | 349 typedef struct VideoBootStrap |
| 350 { | |
| 351 const char *name; | |
| 352 const char *desc; | |
| 353 int (*available) (void); | |
| 354 SDL_VideoDevice *(*create) (int devindex); | |
| 355 } VideoBootStrap; | |
| 0 | 356 |
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357 #if SDL_VIDEO_DRIVER_COCOA |
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358 extern VideoBootStrap COCOA_bootstrap; |
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359 #endif |
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360 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 361 extern VideoBootStrap X11_bootstrap; |
| 362 #endif | |
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363 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 364 extern VideoBootStrap FBCON_bootstrap; |
| 365 #endif | |
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366 #if SDL_VIDEO_DRIVER_DIRECTFB |
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367 extern VideoBootStrap DirectFB_bootstrap; |
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368 #endif |
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369 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 370 extern VideoBootStrap PS2GS_bootstrap; |
| 371 #endif | |
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372 #if SDL_VIDEO_DRIVER_PS3 |
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373 extern VideoBootStrap PS3_bootstrap; |
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374 #endif |
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375 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 376 extern VideoBootStrap SVGALIB_bootstrap; |
| 377 #endif | |
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378 #if SDL_VIDEO_DRIVER_GAPI |
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379 extern VideoBootStrap GAPI_bootstrap; |
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380 #endif |
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381 #if SDL_VIDEO_DRIVER_WIN32 |
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382 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 383 #endif |
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384 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 385 extern VideoBootStrap BWINDOW_bootstrap; |
| 386 #endif | |
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387 #if SDL_VIDEO_DRIVER_PHOTON |
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388 extern VideoBootStrap photon_bootstrap; |
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389 #endif |
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390 #if SDL_VIDEO_DRIVER_QNXGF |
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391 extern VideoBootStrap qnxgf_bootstrap; |
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392 #endif |
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393 #if SDL_VIDEO_DRIVER_EPOC |
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394 extern VideoBootStrap EPOC_bootstrap; |
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395 #endif |
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396 #if SDL_VIDEO_DRIVER_RISCOS |
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397 extern VideoBootStrap RISCOS_bootstrap; |
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398 #endif |
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399 #if SDL_VIDEO_DRIVER_UIKIT |
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400 extern VideoBootStrap UIKIT_bootstrap; |
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401 #endif |
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402 #if SDL_VIDEO_DRIVER_DUMMY |
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403 extern VideoBootStrap DUMMY_bootstrap; |
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404 #endif |
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405 #if SDL_VIDEO_DRIVER_NDS |
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406 extern VideoBootStrap NDS_bootstrap; |
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407 #endif |
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408 #if SDL_VIDEO_DRIVER_PANDORA |
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409 extern VideoBootStrap PND_bootstrap; |
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410 #endif |
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411 |
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412 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
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413 #define SDL_CurrentRenderer (SDL_CurrentDisplay.current_renderer) |
| 0 | 414 |
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415 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 416 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 417 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
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418 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode); |
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419 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display); |
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420 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode); |
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421 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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422 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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423 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest); |
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424 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode); |
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425 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors); |
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426 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors); |
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427 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue); |
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428 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue); |
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429 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver); |
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430 |
| 2753 | 431 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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432 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID); |
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433 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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434 |
| 2753 | 435 extern void SDL_OnWindowShown(SDL_Window * window); |
| 436 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 437 extern void SDL_OnWindowResized(SDL_Window * window); | |
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Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
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438 extern void SDL_OnWindowMinimized(SDL_Window * window); |
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Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
Sam Lantinga <slouken@libsdl.org>
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439 extern void SDL_OnWindowRestored(SDL_Window * window); |
| 2753 | 440 extern void SDL_OnWindowFocusGained(SDL_Window * window); |
| 441 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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442 extern SDL_WindowID SDL_GetFocusWindow(void); |
| 0 | 443 |
| 2753 | 444 #endif /* _SDL_sysvideo_h */ |
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445 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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446 /* vi: set ts=4 sw=4 expandtab: */ |