Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 2884:9dde605c7540
Date: Fri, 19 Dec 2008 20:17:35 +0100
From: Couriersud
Subject: Re: Aw: Experience using SDL1.3 in sdlmame/Proposal for api additions
> For consistency you'd probably want:
> SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a);
> SDL_SetRenderDrawBlendMode(SDL_BlendMode blendMode);
> SDL_RenderLine(int x1, int y1, int x2, int y2);
> SDL_RenderFill(SDL_Rect *rect);
>
> You probably also want to add API functions query the current state.
>
I have implemented the above api for the opengl, x11, directfb and
software renderers. I have also renamed *TEXTUREBLENDMODE* constants to
BLENDMODE*. The unix build compiles. The windows renderer still needs to
be updated, but I have no windows development machine at hand. Have a
look at the x11 renderer for a sample.
Vector games now run at 90% both on opengl and directfb in comparison to
sdlmame's own opengl renderer. The same applies to raster games.
The diff also includes
a) Changed XDrawRect to XFillRect in x11 renderer
b) A number of changes to fix blending and modulation issues in the
directfb renderer.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 20 Dec 2008 12:00:00 +0000 |
| parents | 99210400e8b9 |
| children | 133601e3b255 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #ifndef _SDL_sysvideo_h | |
| 25 #define _SDL_sysvideo_h | |
| 26 | |
| 27 #include "SDL_mouse.h" | |
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28 #include "SDL_keysym.h" |
| 0 | 29 |
| 30 /* The SDL video driver */ | |
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31 |
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32 typedef struct SDL_Window SDL_Window; |
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33 typedef struct SDL_Texture SDL_Texture; |
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34 typedef struct SDL_Renderer SDL_Renderer; |
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35 typedef struct SDL_RenderDriver SDL_RenderDriver; |
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36 typedef struct SDL_VideoDisplay SDL_VideoDisplay; |
| 0 | 37 typedef struct SDL_VideoDevice SDL_VideoDevice; |
| 38 | |
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39 /* Define the SDL texture structure */ |
| 2753 | 40 struct SDL_Texture |
| 41 { | |
| 42 Uint32 id; | |
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43 |
| 2753 | 44 Uint32 format; /**< The pixel format of the texture */ |
| 45 int access; /**< SDL_TextureAccess */ | |
| 46 int w; /**< The width of the texture */ | |
| 47 int h; /**< The height of the texture */ | |
| 48 int modMode; /**< The texture modulation mode */ | |
| 49 int blendMode; /**< The texture blend mode */ | |
| 50 int scaleMode; /**< The texture scale mode */ | |
| 51 Uint8 r, g, b, a; /**< Texture modulation values */ | |
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52 |
| 2753 | 53 SDL_Renderer *renderer; |
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54 |
| 2753 | 55 void *driverdata; /**< Driver specific texture representation */ |
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56 |
| 2753 | 57 SDL_Texture *next; |
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58 }; |
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59 |
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60 /* Define the SDL renderer structure */ |
| 2753 | 61 struct SDL_Renderer |
| 62 { | |
| 63 int (*ActivateRenderer) (SDL_Renderer * renderer); | |
| 64 int (*DisplayModeChanged) (SDL_Renderer * renderer); | |
| 65 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 66 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 67 void **pixels, int *pitch); | |
| 68 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 69 const SDL_Color * colors, int firstcolor, | |
| 70 int ncolors); | |
| 71 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 72 SDL_Color * colors, int firstcolor, | |
| 73 int ncolors); | |
| 74 int (*SetTextureColorMod) (SDL_Renderer * renderer, | |
| 75 SDL_Texture * texture); | |
| 76 int (*SetTextureAlphaMod) (SDL_Renderer * renderer, | |
| 77 SDL_Texture * texture); | |
| 78 int (*SetTextureBlendMode) (SDL_Renderer * renderer, | |
| 79 SDL_Texture * texture); | |
| 80 int (*SetTextureScaleMode) (SDL_Renderer * renderer, | |
| 81 SDL_Texture * texture); | |
| 82 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 83 const SDL_Rect * rect, const void *pixels, | |
| 84 int pitch); | |
| 85 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 86 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 87 int *pitch); | |
| 88 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 89 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 90 int numrects, const SDL_Rect * rects); | |
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91 int (*SetDrawColor) (SDL_Renderer * renderer); |
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92 int (*SetDrawBlendMode) (SDL_Renderer * renderer); |
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93 int (*RenderLine) (SDL_Renderer * renderer, int x1, int y1, int x2, |
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94 int y2); |
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95 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect); |
| 2753 | 96 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 97 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
| 98 void (*RenderPresent) (SDL_Renderer * renderer); | |
| 99 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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100 |
| 2753 | 101 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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102 |
| 2753 | 103 /* The current renderer info */ |
| 104 SDL_RendererInfo info; | |
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105 |
| 2753 | 106 /* The window associated with the renderer */ |
| 107 SDL_WindowID window; | |
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108 |
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109 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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110 int blendMode; /**< The drawing blend mode */ |
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111 |
| 2753 | 112 void *driverdata; |
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113 }; |
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114 |
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115 /* Define the SDL render driver structure */ |
| 2753 | 116 struct SDL_RenderDriver |
| 117 { | |
| 118 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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119 |
| 2753 | 120 /* Info about the renderer capabilities */ |
| 121 SDL_RendererInfo info; | |
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122 }; |
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123 |
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124 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 125 struct SDL_Window |
| 126 { | |
| 127 Uint32 id; | |
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128 |
| 2753 | 129 char *title; |
| 130 int x, y; | |
| 131 int w, h; | |
| 132 Uint32 flags; | |
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133 |
| 2753 | 134 int display; |
| 135 SDL_Renderer *renderer; | |
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136 |
| 2753 | 137 void *userdata; |
| 138 void *driverdata; | |
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139 }; |
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140 #define FULLSCREEN_VISIBLE(W) \ |
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141 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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142 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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143 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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144 |
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145 /* |
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146 * Define the SDL display structure This corresponds to physical monitors |
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147 * attached to the system. |
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148 */ |
| 2753 | 149 struct SDL_VideoDisplay |
| 150 { | |
| 151 int max_display_modes; | |
| 152 int num_display_modes; | |
| 153 SDL_DisplayMode *display_modes; | |
| 154 SDL_DisplayMode desktop_mode; | |
| 155 SDL_DisplayMode current_mode; | |
| 156 SDL_DisplayMode fullscreen_mode; | |
| 157 SDL_Palette *palette; | |
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158 |
| 2753 | 159 Uint16 *gamma; |
| 160 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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161 |
| 2753 | 162 int num_render_drivers; |
| 163 SDL_RenderDriver *render_drivers; | |
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164 |
| 2753 | 165 int num_windows; |
| 166 SDL_Window *windows; | |
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167 |
| 2753 | 168 SDL_Renderer *current_renderer; |
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169 |
| 2753 | 170 /* The hash list of textures */ |
| 171 SDL_Texture *textures[64]; | |
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172 |
| 2753 | 173 SDL_VideoDevice *device; |
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174 |
| 2753 | 175 void *driverdata; |
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176 }; |
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177 |
| 0 | 178 /* Define the SDL video driver structure */ |
| 179 #define _THIS SDL_VideoDevice *_this | |
| 180 | |
| 2753 | 181 struct SDL_VideoDevice |
| 182 { | |
| 183 /* * * */ | |
| 184 /* The name of this video driver */ | |
| 185 const char *name; | |
| 0 | 186 |
| 2753 | 187 /* * * */ |
| 188 /* Initialization/Query functions */ | |
| 0 | 189 |
| 2753 | 190 /* |
| 191 * Initialize the native video subsystem, filling in the list of | |
| 192 * displays for this driver, returning 0 or -1 if there's an error. | |
| 193 */ | |
| 194 int (*VideoInit) (_THIS); | |
| 0 | 195 |
| 2753 | 196 /* |
| 197 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 198 * if the application is shutting down the video subsystem. | |
| 199 */ | |
| 200 void (*VideoQuit) (_THIS); | |
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201 |
| 2753 | 202 /* * * */ |
| 203 /* | |
| 204 * Display functions | |
| 205 */ | |
| 0 | 206 |
| 2753 | 207 /* |
| 208 * Get a list of the available display modes. e.g. | |
| 209 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 210 */ | |
| 211 void (*GetDisplayModes) (_THIS); | |
| 0 | 212 |
| 2753 | 213 /* |
| 214 * Setting the display mode is independent of creating windows, so | |
| 215 * when the display mode is changed, all existing windows should have | |
| 216 * their data updated accordingly, including the display surfaces | |
| 217 * associated with them. | |
| 218 */ | |
| 219 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode); | |
| 0 | 220 |
| 2753 | 221 /* Set the color entries of the display palette */ |
| 222 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette); | |
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223 |
| 2753 | 224 /* Get the color entries of the display palette */ |
| 225 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette); | |
| 0 | 226 |
| 2753 | 227 /* Set the gamma ramp */ |
| 228 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
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229 |
| 2753 | 230 /* Get the gamma ramp */ |
| 231 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp); | |
| 0 | 232 |
| 2753 | 233 /* * * */ |
| 234 /* | |
| 235 * Window functions | |
| 236 */ | |
| 237 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 238 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 239 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
| 240 void (*SetWindowPosition) (_THIS, SDL_Window * window); | |
| 241 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 242 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 243 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 244 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 245 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 246 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 247 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 248 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 249 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
| 0 | 250 |
| 2753 | 251 /* Get some platform dependent window information */ |
| 252 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 253 struct SDL_SysWMinfo * info); | |
| 0 | 254 |
| 2753 | 255 /* * * */ |
| 256 /* | |
| 257 * OpenGL support | |
| 258 */ | |
| 259 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 260 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
| 261 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); | |
| 262 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 263 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 264 int (*GL_GetSwapInterval) (_THIS); | |
| 265 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 266 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 267 |
| 2753 | 268 /* * * */ |
| 269 /* | |
| 270 * Event manager functions | |
| 271 */ | |
| 272 void (*PumpEvents) (_THIS); | |
| 0 | 273 |
| 2753 | 274 /* * * */ |
| 275 /* Data common to all drivers */ | |
| 276 int num_displays; | |
| 277 SDL_VideoDisplay *displays; | |
| 278 int current_display; | |
| 279 Uint32 next_object_id; | |
| 0 | 280 |
| 2753 | 281 /* * * */ |
| 282 /* Data used by the GL drivers */ | |
| 283 struct | |
| 284 { | |
| 285 int red_size; | |
| 286 int green_size; | |
| 287 int blue_size; | |
| 288 int alpha_size; | |
| 289 int depth_size; | |
| 290 int buffer_size; | |
| 291 int stencil_size; | |
| 292 int double_buffer; | |
| 293 int accum_red_size; | |
| 294 int accum_green_size; | |
| 295 int accum_blue_size; | |
| 296 int accum_alpha_size; | |
| 297 int stereo; | |
| 298 int multisamplebuffers; | |
| 299 int multisamplesamples; | |
| 300 int accelerated; | |
| 301 int retained_backing; | |
| 302 int driver_loaded; | |
| 303 char driver_path[256]; | |
| 304 void *dll_handle; | |
| 305 } gl_config; | |
| 0 | 306 |
| 2753 | 307 /* * * */ |
| 308 /* Data private to this driver */ | |
| 309 void *driverdata; | |
| 310 struct SDL_GLDriverData *gl_data; | |
| 0 | 311 |
| 2753 | 312 /* * * */ |
| 313 /* The function used to dispose of this structure */ | |
| 314 void (*free) (_THIS); | |
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315 }; |
| 0 | 316 |
| 2753 | 317 typedef struct VideoBootStrap |
| 318 { | |
| 319 const char *name; | |
| 320 const char *desc; | |
| 321 int (*available) (void); | |
| 322 SDL_VideoDevice *(*create) (int devindex); | |
| 323 } VideoBootStrap; | |
| 0 | 324 |
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325 #if SDL_VIDEO_DRIVER_COCOA |
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326 extern VideoBootStrap COCOA_bootstrap; |
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327 #endif |
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328 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 329 extern VideoBootStrap X11_bootstrap; |
| 330 #endif | |
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331 #if SDL_VIDEO_DRIVER_NANOX |
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332 extern VideoBootStrap NX_bootstrap; |
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333 #endif |
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334 #if SDL_VIDEO_DRIVER_IPOD |
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335 extern VideoBootStrap iPod_bootstrap; |
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336 #endif |
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337 #if SDL_VIDEO_DRIVER_WSCONS |
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338 extern VideoBootStrap WSCONS_bootstrap; |
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339 #endif |
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340 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 341 extern VideoBootStrap FBCON_bootstrap; |
| 342 #endif | |
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343 #if SDL_VIDEO_DRIVER_DIRECTFB |
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344 extern VideoBootStrap DirectFB_bootstrap; |
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345 #endif |
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346 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 347 extern VideoBootStrap PS2GS_bootstrap; |
| 348 #endif | |
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349 #if SDL_VIDEO_DRIVER_VGL |
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350 extern VideoBootStrap VGL_bootstrap; |
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351 #endif |
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352 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 353 extern VideoBootStrap SVGALIB_bootstrap; |
| 354 #endif | |
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355 #if SDL_VIDEO_DRIVER_GAPI |
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356 extern VideoBootStrap GAPI_bootstrap; |
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357 #endif |
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358 #if SDL_VIDEO_DRIVER_WIN32 |
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359 extern VideoBootStrap WIN32_bootstrap; |
| 0 | 360 #endif |
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361 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 362 extern VideoBootStrap BWINDOW_bootstrap; |
| 363 #endif | |
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364 #if SDL_VIDEO_DRIVER_PHOTON |
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365 extern VideoBootStrap ph_bootstrap; |
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366 #endif |
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367 #if SDL_VIDEO_DRIVER_EPOC |
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368 extern VideoBootStrap EPOC_bootstrap; |
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369 #endif |
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370 #if SDL_VIDEO_DRIVER_XBIOS |
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371 extern VideoBootStrap XBIOS_bootstrap; |
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372 #endif |
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373 #if SDL_VIDEO_DRIVER_GEM |
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374 extern VideoBootStrap GEM_bootstrap; |
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375 #endif |
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376 #if SDL_VIDEO_DRIVER_DC |
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377 extern VideoBootStrap DC_bootstrap; |
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378 #endif |
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379 #if SDL_VIDEO_DRIVER_RISCOS |
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380 extern VideoBootStrap RISCOS_bootstrap; |
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381 #endif |
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382 #if SDL_VIDEO_DRIVER_OS2FS |
| 1190 | 383 extern VideoBootStrap OS2FSLib_bootstrap; |
| 384 #endif | |
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385 #if SDL_VIDEO_DRIVER_UIKIT |
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386 extern VideoBootStrap UIKIT_bootstrap; |
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387 #endif |
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388 #if SDL_VIDEO_DRIVER_DUMMY |
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389 extern VideoBootStrap DUMMY_bootstrap; |
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390 #endif |
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391 #if SDL_VIDEO_DRIVER_NDS |
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392 extern VideoBootStrap NDS_bootstrap; |
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393 #endif |
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394 |
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395 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
| 0 | 396 |
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397 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
| 2753 | 398 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 399 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
| 400 extern SDL_bool | |
| 401 SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode); | |
| 402 extern void | |
| 403 SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver); | |
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404 |
| 2753 | 405 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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406 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID); |
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407 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window); |
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408 |
| 2753 | 409 extern void SDL_OnWindowShown(SDL_Window * window); |
| 410 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 411 extern void SDL_OnWindowResized(SDL_Window * window); | |
| 412 extern void SDL_OnWindowFocusGained(SDL_Window * window); | |
| 413 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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414 extern SDL_WindowID SDL_GetFocusWindow(void); |
| 0 | 415 |
| 2753 | 416 #endif /* _SDL_sysvideo_h */ |
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417 |
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418 /* vi: set ts=4 sw=4 expandtab: */ |