Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 3695:f6a8be3fefa0
Added magic to detect already freed or otherwise invalid windows and textures.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 24 Jan 2010 20:21:51 +0000 |
| parents | 64ce267332c6 |
| children | f7b03b6838cb |
| 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_Renderer SDL_Renderer; |
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33 typedef struct SDL_RenderDriver SDL_RenderDriver; |
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34 typedef struct SDL_VideoDisplay SDL_VideoDisplay; |
| 0 | 35 typedef struct SDL_VideoDevice SDL_VideoDevice; |
| 36 | |
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37 /* Define the SDL texture structure */ |
| 2753 | 38 struct SDL_Texture |
| 39 { | |
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40 const void *magic; |
| 2753 | 41 Uint32 format; /**< The pixel format of the texture */ |
| 42 int access; /**< SDL_TextureAccess */ | |
| 43 int w; /**< The width of the texture */ | |
| 44 int h; /**< The height of the texture */ | |
| 45 int modMode; /**< The texture modulation mode */ | |
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46 int blendMode; /**< The texture blend mode */ |
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47 int scaleMode; /**< The texture scale mode */ |
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48 Uint8 r, g, b, a; /**< Texture modulation values */ |
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49 |
| 2753 | 50 SDL_Renderer *renderer; |
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51 |
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52 void *driverdata; /**< Driver specific texture representation */ |
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53 |
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54 SDL_Texture *prev; |
| 2753 | 55 SDL_Texture *next; |
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56 }; |
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57 |
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58 /* Define the SDL renderer structure */ |
| 2753 | 59 struct SDL_Renderer |
| 60 { | |
| 61 int (*ActivateRenderer) (SDL_Renderer * renderer); | |
| 62 int (*DisplayModeChanged) (SDL_Renderer * renderer); | |
| 63 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 64 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 65 void **pixels, int *pitch); | |
| 66 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 67 const SDL_Color * colors, int firstcolor, | |
| 68 int ncolors); | |
| 69 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 70 SDL_Color * colors, int firstcolor, | |
| 71 int ncolors); | |
| 72 int (*SetTextureColorMod) (SDL_Renderer * renderer, | |
| 73 SDL_Texture * texture); | |
| 74 int (*SetTextureAlphaMod) (SDL_Renderer * renderer, | |
| 75 SDL_Texture * texture); | |
| 76 int (*SetTextureBlendMode) (SDL_Renderer * renderer, | |
| 77 SDL_Texture * texture); | |
| 78 int (*SetTextureScaleMode) (SDL_Renderer * renderer, | |
| 79 SDL_Texture * texture); | |
| 80 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 81 const SDL_Rect * rect, const void *pixels, | |
| 82 int pitch); | |
| 83 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 84 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 85 int *pitch); | |
| 86 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 87 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 88 int numrects, const SDL_Rect * rects); | |
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89 int (*SetDrawColor) (SDL_Renderer * renderer); |
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90 int (*SetDrawBlendMode) (SDL_Renderer * renderer); |
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91 int (*RenderClear) (SDL_Renderer * renderer); |
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92 int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points, |
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93 int count); |
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94 int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points, |
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95 int count); |
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96 int (*RenderDrawRects) (SDL_Renderer * renderer, const SDL_Rect ** rects, |
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97 int count); |
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98 int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects, |
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99 int count); |
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100 int (*RenderDrawEllipse) (SDL_Renderer * renderer, int x, int y, |
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101 int w, int h); |
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102 int (*RenderFillEllipse) (SDL_Renderer * renderer, int x, int y, |
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103 int w, int h); |
| 2753 | 104 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 105 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
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106 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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107 Uint32 format, void * pixels, int pitch); |
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108 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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109 Uint32 format, const void * pixels, int pitch); |
| 2753 | 110 void (*RenderPresent) (SDL_Renderer * renderer); |
| 111 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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112 |
| 2753 | 113 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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114 |
| 2753 | 115 /* The current renderer info */ |
| 116 SDL_RendererInfo info; | |
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117 |
| 2753 | 118 /* The window associated with the renderer */ |
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119 SDL_Window *window; |
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120 |
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121 /* The list of textures */ |
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122 SDL_Texture *textures; |
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123 |
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124 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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125 int blendMode; /**< The drawing blend mode */ |
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126 |
| 2753 | 127 void *driverdata; |
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128 }; |
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129 |
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130 /* Define the SDL render driver structure */ |
| 2753 | 131 struct SDL_RenderDriver |
| 132 { | |
| 133 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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134 |
| 2753 | 135 /* Info about the renderer capabilities */ |
| 136 SDL_RendererInfo info; | |
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137 }; |
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138 |
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139 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 140 struct SDL_Window |
| 141 { | |
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142 const void *magic; |
| 2753 | 143 Uint32 id; |
| 144 char *title; | |
| 145 int x, y; | |
| 146 int w, h; | |
| 147 Uint32 flags; | |
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148 |
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149 SDL_VideoDisplay *display; |
| 2753 | 150 SDL_Renderer *renderer; |
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151 |
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152 SDL_DisplayMode fullscreen_mode; |
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153 |
| 2753 | 154 void *userdata; |
| 155 void *driverdata; | |
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156 |
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157 SDL_Window *prev; |
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158 SDL_Window *next; |
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159 }; |
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160 #define FULLSCREEN_VISIBLE(W) \ |
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161 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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162 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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163 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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164 |
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165 /* |
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166 * Define the SDL display structure This corresponds to physical monitors |
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167 * attached to the system. |
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168 */ |
| 2753 | 169 struct SDL_VideoDisplay |
| 170 { | |
| 171 int max_display_modes; | |
| 172 int num_display_modes; | |
| 173 SDL_DisplayMode *display_modes; | |
| 174 SDL_DisplayMode desktop_mode; | |
| 175 SDL_DisplayMode current_mode; | |
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176 SDL_bool updating_fullscreen; |
| 2753 | 177 SDL_Palette *palette; |
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178 |
| 2753 | 179 Uint16 *gamma; |
| 180 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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181 |
| 2753 | 182 int num_render_drivers; |
| 183 SDL_RenderDriver *render_drivers; | |
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184 |
| 2753 | 185 int num_windows; |
| 186 SDL_Window *windows; | |
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187 SDL_Window *fullscreen_window; |
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188 |
| 2753 | 189 SDL_Renderer *current_renderer; |
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190 |
| 2753 | 191 SDL_VideoDevice *device; |
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192 |
| 2753 | 193 void *driverdata; |
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194 }; |
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195 |
| 0 | 196 /* Define the SDL video driver structure */ |
| 197 #define _THIS SDL_VideoDevice *_this | |
| 198 | |
| 2753 | 199 struct SDL_VideoDevice |
| 200 { | |
| 201 /* * * */ | |
| 202 /* The name of this video driver */ | |
| 203 const char *name; | |
| 0 | 204 |
| 2753 | 205 /* * * */ |
| 206 /* Initialization/Query functions */ | |
| 0 | 207 |
| 2753 | 208 /* |
| 209 * Initialize the native video subsystem, filling in the list of | |
| 210 * displays for this driver, returning 0 or -1 if there's an error. | |
| 211 */ | |
| 212 int (*VideoInit) (_THIS); | |
| 0 | 213 |
| 2753 | 214 /* |
| 215 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 216 * if the application is shutting down the video subsystem. | |
| 217 */ | |
| 218 void (*VideoQuit) (_THIS); | |
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219 |
| 2753 | 220 /* * * */ |
| 221 /* | |
| 222 * Display functions | |
| 223 */ | |
| 0 | 224 |
| 2753 | 225 /* |
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226 * Get the bounds of a display |
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227 */ |
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228 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect); |
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229 |
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230 /* |
| 2753 | 231 * Get a list of the available display modes. e.g. |
| 232 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 233 */ | |
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234 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display); |
| 0 | 235 |
| 2753 | 236 /* |
| 237 * Setting the display mode is independent of creating windows, so | |
| 238 * when the display mode is changed, all existing windows should have | |
| 239 * their data updated accordingly, including the display surfaces | |
| 240 * associated with them. | |
| 241 */ | |
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242 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
| 0 | 243 |
| 2753 | 244 /* Set the color entries of the display palette */ |
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245 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
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246 |
| 2753 | 247 /* Get the color entries of the display palette */ |
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248 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
| 0 | 249 |
| 2753 | 250 /* Set the gamma ramp */ |
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251 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
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252 |
| 2753 | 253 /* Get the gamma ramp */ |
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254 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
| 0 | 255 |
| 2753 | 256 /* * * */ |
| 257 /* | |
| 258 * Window functions | |
| 259 */ | |
| 260 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 261 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 262 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
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263 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon); |
| 2753 | 264 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
| 265 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 266 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 267 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 268 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 269 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 270 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 271 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 272 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 273 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 274 |
| 2753 | 275 /* Get some platform dependent window information */ |
| 276 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 277 struct SDL_SysWMinfo * info); | |
| 0 | 278 |
| 2753 | 279 /* * * */ |
| 280 /* | |
| 281 * OpenGL support | |
| 282 */ | |
| 283 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 284 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
|
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285 void (*GL_UnloadLibrary) (_THIS); |
| 2753 | 286 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); |
| 287 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 288 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 289 int (*GL_GetSwapInterval) (_THIS); | |
| 290 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 291 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 292 |
| 2753 | 293 /* * * */ |
| 294 /* | |
| 295 * Event manager functions | |
| 296 */ | |
| 297 void (*PumpEvents) (_THIS); | |
| 0 | 298 |
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299 /* Suspend the screensaver */ |
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300 void (*SuspendScreenSaver) (_THIS); |
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301 |
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302 /* Text input */ |
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303 void (*StartTextInput) (_THIS); |
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304 void (*StopTextInput) (_THIS); |
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305 void (*SetTextInputRect) (_THIS, SDL_Rect *rect); |
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306 |
| 2753 | 307 /* * * */ |
| 308 /* Data common to all drivers */ | |
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309 SDL_bool suspend_screensaver; |
| 2753 | 310 int num_displays; |
| 311 SDL_VideoDisplay *displays; | |
| 312 int current_display; | |
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313 Uint8 window_magic; |
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314 Uint8 texture_magic; |
| 2753 | 315 Uint32 next_object_id; |
| 0 | 316 |
| 2753 | 317 /* * * */ |
| 318 /* Data used by the GL drivers */ | |
| 319 struct | |
| 320 { | |
| 321 int red_size; | |
| 322 int green_size; | |
| 323 int blue_size; | |
| 324 int alpha_size; | |
| 325 int depth_size; | |
| 326 int buffer_size; | |
| 327 int stencil_size; | |
| 328 int double_buffer; | |
| 329 int accum_red_size; | |
| 330 int accum_green_size; | |
| 331 int accum_blue_size; | |
| 332 int accum_alpha_size; | |
| 333 int stereo; | |
| 334 int multisamplebuffers; | |
| 335 int multisamplesamples; | |
| 336 int accelerated; | |
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337 int major_version; |
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338 int minor_version; |
| 2753 | 339 int retained_backing; |
| 340 int driver_loaded; | |
| 341 char driver_path[256]; | |
| 342 void *dll_handle; | |
| 343 } gl_config; | |
| 0 | 344 |
| 2753 | 345 /* * * */ |
| 346 /* Data private to this driver */ | |
| 347 void *driverdata; | |
| 348 struct SDL_GLDriverData *gl_data; | |
| 0 | 349 |
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350 #if SDL_VIDEO_DRIVER_PANDORA |
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351 struct SDL_PrivateGLESData *gles_data; |
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352 #endif |
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353 |
| 2753 | 354 /* * * */ |
| 355 /* The function used to dispose of this structure */ | |
| 356 void (*free) (_THIS); | |
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357 }; |
| 0 | 358 |
| 2753 | 359 typedef struct VideoBootStrap |
| 360 { | |
| 361 const char *name; | |
| 362 const char *desc; | |
| 363 int (*available) (void); | |
| 364 SDL_VideoDevice *(*create) (int devindex); | |
| 365 } VideoBootStrap; | |
| 0 | 366 |
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367 #if SDL_VIDEO_DRIVER_COCOA |
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368 extern VideoBootStrap COCOA_bootstrap; |
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369 #endif |
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370 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 371 extern VideoBootStrap X11_bootstrap; |
| 372 #endif | |
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373 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 374 extern VideoBootStrap FBCON_bootstrap; |
| 375 #endif | |
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376 #if SDL_VIDEO_DRIVER_DIRECTFB |
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377 extern VideoBootStrap DirectFB_bootstrap; |
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378 #endif |
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379 #if SDL_VIDEO_DRIVER_PS3 |
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380 extern VideoBootStrap PS3_bootstrap; |
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381 #endif |
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382 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 383 extern VideoBootStrap SVGALIB_bootstrap; |
| 384 #endif | |
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385 #if SDL_VIDEO_DRIVER_GAPI |
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386 extern VideoBootStrap GAPI_bootstrap; |
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387 #endif |
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388 #if SDL_VIDEO_DRIVER_WIN32 |
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389 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 390 #endif |
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391 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 392 extern VideoBootStrap BWINDOW_bootstrap; |
| 393 #endif | |
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394 #if SDL_VIDEO_DRIVER_PHOTON |
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395 extern VideoBootStrap photon_bootstrap; |
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396 #endif |
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397 #if SDL_VIDEO_DRIVER_QNXGF |
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398 extern VideoBootStrap qnxgf_bootstrap; |
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399 #endif |
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400 #if SDL_VIDEO_DRIVER_EPOC |
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401 extern VideoBootStrap EPOC_bootstrap; |
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402 #endif |
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403 #if SDL_VIDEO_DRIVER_RISCOS |
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404 extern VideoBootStrap RISCOS_bootstrap; |
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405 #endif |
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406 #if SDL_VIDEO_DRIVER_UIKIT |
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407 extern VideoBootStrap UIKIT_bootstrap; |
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408 #endif |
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409 #if SDL_VIDEO_DRIVER_DUMMY |
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410 extern VideoBootStrap DUMMY_bootstrap; |
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411 #endif |
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412 #if SDL_VIDEO_DRIVER_NDS |
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413 extern VideoBootStrap NDS_bootstrap; |
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414 #endif |
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415 #if SDL_VIDEO_DRIVER_PANDORA |
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416 extern VideoBootStrap PND_bootstrap; |
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417 #endif |
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418 |
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419 #define SDL_CurrentDisplay (&_this->displays[_this->current_display]) |
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420 #define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer) |
| 0 | 421 |
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422 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 423 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 424 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
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425 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode); |
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426 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display); |
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427 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode); |
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428 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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429 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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430 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest); |
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431 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode); |
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432 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors); |
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433 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors); |
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434 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue); |
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435 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue); |
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436 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver); |
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437 |
| 2753 | 438 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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439 |
| 2753 | 440 extern void SDL_OnWindowShown(SDL_Window * window); |
| 441 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 442 extern void SDL_OnWindowResized(SDL_Window * window); | |
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443 extern void SDL_OnWindowMinimized(SDL_Window * window); |
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444 extern void SDL_OnWindowRestored(SDL_Window * window); |
| 2753 | 445 extern void SDL_OnWindowFocusGained(SDL_Window * window); |
| 446 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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447 extern SDL_Window * SDL_GetFocusWindow(void); |
| 0 | 448 |
| 2753 | 449 #endif /* _SDL_sysvideo_h */ |
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450 |
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451 /* vi: set ts=4 sw=4 expandtab: */ |