Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 1315:e94b0d7c33bc
Merged useful fixes from 1.3 branch
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 08:17:54 +0000 |
| parents | c9b51268668f |
| children | 450721ad5436 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 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 */ |
| 22 | |
| 23 #ifndef _SDL_sysvideo_h | |
| 24 #define _SDL_sysvideo_h | |
| 25 | |
| 26 #include "SDL_mouse.h" | |
| 27 #define SDL_PROTOTYPES_ONLY | |
| 28 #include "SDL_syswm.h" | |
| 29 #undef SDL_PROTOTYPES_ONLY | |
| 30 | |
| 31 /* This file prototypes the video driver implementation. | |
| 32 This is designed to be easily converted to C++ in the future. | |
| 33 */ | |
| 34 | |
| 35 /* OpenGL is pretty much available on all Windows systems */ | |
| 36 #ifdef WIN32 | |
| 37 #ifndef _WIN32_WCE | |
| 38 #define HAVE_OPENGL | |
| 39 #endif | |
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40 #define WIN32_LEAN_AND_MEAN |
| 0 | 41 #include <windows.h> |
| 42 #endif | |
| 43 | |
| 44 #ifdef HAVE_OPENGL | |
| 45 #ifdef MACOSX | |
| 46 #include <OpenGL/gl.h> /* OpenGL.framework */ | |
| 47 #else | |
| 48 #include <GL/gl.h> | |
| 49 #endif /* MACOSX */ | |
| 50 #endif /* HAVE_OPENGL */ | |
| 51 | |
| 52 /* The SDL video driver */ | |
| 53 typedef struct SDL_VideoDevice SDL_VideoDevice; | |
| 54 | |
| 55 /* Define the SDL video driver structure */ | |
| 56 #define _THIS SDL_VideoDevice *_this | |
| 57 #ifndef _STATUS | |
| 58 #define _STATUS SDL_status *status | |
| 59 #endif | |
| 60 struct SDL_VideoDevice { | |
| 61 /* * * */ | |
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62 /* The name of this video driver */ |
| 0 | 63 const char *name; |
| 64 | |
| 65 /* * * */ | |
| 66 /* Initialization/Query functions */ | |
| 67 | |
| 68 /* Initialize the native video subsystem, filling 'vformat' with the | |
| 69 "best" display pixel format, returning 0 or -1 if there's an error. | |
| 70 */ | |
| 71 int (*VideoInit)(_THIS, SDL_PixelFormat *vformat); | |
| 72 | |
| 73 /* List the available video modes for the given pixel format, sorted | |
| 74 from largest to smallest. | |
| 75 */ | |
| 76 SDL_Rect **(*ListModes)(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 77 | |
| 78 /* Set the requested video mode, returning a surface which will be | |
| 79 set to the SDL_VideoSurface. The width and height will already | |
| 80 be verified by ListModes(), and the video subsystem is free to | |
| 81 set the mode to a supported bit depth different from the one | |
| 82 specified -- the desired bpp will be emulated with a shadow | |
| 83 surface if necessary. If a new mode is returned, this function | |
| 84 should take care of cleaning up the current mode. | |
| 85 */ | |
| 86 SDL_Surface *(*SetVideoMode)(_THIS, SDL_Surface *current, | |
| 87 int width, int height, int bpp, Uint32 flags); | |
| 88 | |
| 89 /* Toggle the fullscreen mode */ | |
| 90 int (*ToggleFullScreen)(_THIS, int on); | |
| 91 | |
| 92 /* This is called after the video mode has been set, to get the | |
| 93 initial mouse state. It should queue events as necessary to | |
| 94 properly represent the current mouse focus and position. | |
| 95 */ | |
| 96 void (*UpdateMouse)(_THIS); | |
| 97 | |
| 98 /* Create a YUV video surface (possibly overlay) of the given | |
| 99 format. The hardware should be able to perform at least 2x | |
| 100 scaling on display. | |
| 101 */ | |
| 102 SDL_Overlay *(*CreateYUVOverlay)(_THIS, int width, int height, | |
| 103 Uint32 format, SDL_Surface *display); | |
| 104 | |
| 105 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) } | |
| 106 of the physical palette to those in 'colors'. If the device is | |
| 107 using a software palette (SDL_HWPALETTE not set), then the | |
| 108 changes are reflected in the logical palette of the screen | |
| 109 as well. | |
| 110 The return value is 1 if all entries could be set properly | |
| 111 or 0 otherwise. | |
| 112 */ | |
| 113 int (*SetColors)(_THIS, int firstcolor, int ncolors, | |
| 114 SDL_Color *colors); | |
| 115 | |
| 116 /* This pointer should exist in the native video subsystem and should | |
| 117 point to an appropriate update function for the current video mode | |
| 118 */ | |
| 119 void (*UpdateRects)(_THIS, int numrects, SDL_Rect *rects); | |
| 120 | |
| 121 /* Reverse the effects VideoInit() -- called if VideoInit() fails | |
| 122 or if the application is shutting down the video subsystem. | |
| 123 */ | |
| 124 void (*VideoQuit)(_THIS); | |
| 125 | |
| 126 /* * * */ | |
| 127 /* Hardware acceleration functions */ | |
| 128 | |
| 129 /* Information about the video hardware */ | |
| 130 SDL_VideoInfo info; | |
| 131 | |
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132 /* The pixel format used when SDL_CreateRGBSurface creates SDL_HWSURFACEs with alpha */ |
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133 SDL_PixelFormat* displayformatalphapixel; |
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134 |
| 0 | 135 /* Allocates a surface in video memory */ |
| 136 int (*AllocHWSurface)(_THIS, SDL_Surface *surface); | |
| 137 | |
| 138 /* Sets the hardware accelerated blit function, if any, based | |
| 139 on the current flags of the surface (colorkey, alpha, etc.) | |
| 140 */ | |
| 141 int (*CheckHWBlit)(_THIS, SDL_Surface *src, SDL_Surface *dst); | |
| 142 | |
| 143 /* Fills a surface rectangle with the given color */ | |
| 144 int (*FillHWRect)(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | |
| 145 | |
| 146 /* Sets video mem colorkey and accelerated blit function */ | |
| 147 int (*SetHWColorKey)(_THIS, SDL_Surface *surface, Uint32 key); | |
| 148 | |
| 149 /* Sets per surface hardware alpha value */ | |
| 150 int (*SetHWAlpha)(_THIS, SDL_Surface *surface, Uint8 value); | |
| 151 | |
| 152 /* Returns a readable/writable surface */ | |
| 153 int (*LockHWSurface)(_THIS, SDL_Surface *surface); | |
| 154 void (*UnlockHWSurface)(_THIS, SDL_Surface *surface); | |
| 155 | |
| 156 /* Performs hardware flipping */ | |
| 157 int (*FlipHWSurface)(_THIS, SDL_Surface *surface); | |
| 158 | |
| 159 /* Frees a previously allocated video surface */ | |
| 160 void (*FreeHWSurface)(_THIS, SDL_Surface *surface); | |
| 161 | |
| 162 /* * * */ | |
| 163 /* Gamma support */ | |
| 164 | |
| 165 Uint16 *gamma; | |
| 166 | |
| 167 /* Set the gamma correction directly (emulated with gamma ramps) */ | |
| 168 int (*SetGamma)(_THIS, float red, float green, float blue); | |
| 169 | |
| 170 /* Get the gamma correction directly (emulated with gamma ramps) */ | |
| 171 int (*GetGamma)(_THIS, float *red, float *green, float *blue); | |
| 172 | |
| 173 /* Set the gamma ramp */ | |
| 174 int (*SetGammaRamp)(_THIS, Uint16 *ramp); | |
| 175 | |
| 176 /* Get the gamma ramp */ | |
| 177 int (*GetGammaRamp)(_THIS, Uint16 *ramp); | |
| 178 | |
| 179 /* * * */ | |
| 180 /* OpenGL support */ | |
| 181 | |
| 182 /* Sets the dll to use for OpenGL and loads it */ | |
| 183 int (*GL_LoadLibrary)(_THIS, const char *path); | |
| 184 | |
| 185 /* Retrieves the address of a function in the gl library */ | |
| 186 void* (*GL_GetProcAddress)(_THIS, const char *proc); | |
| 187 | |
| 188 /* Get attribute information from the windowing system. */ | |
| 189 int (*GL_GetAttribute)(_THIS, SDL_GLattr attrib, int* value); | |
| 190 | |
| 191 /* Make the context associated with this driver current */ | |
| 192 int (*GL_MakeCurrent)(_THIS); | |
| 193 | |
| 194 /* Swap the current buffers in double buffer mode. */ | |
| 195 void (*GL_SwapBuffers)(_THIS); | |
| 196 | |
| 197 /* OpenGL functions for SDL_OPENGLBLIT */ | |
| 198 #ifdef HAVE_OPENGL | |
| 199 #ifndef WIN32 | |
| 200 #define WINAPI | |
| 201 #endif | |
| 202 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params; | |
| 203 #include "SDL_glfuncs.h" | |
| 204 #undef SDL_PROC | |
| 205 | |
| 206 /* Texture id */ | |
| 207 GLuint texture; | |
| 208 #endif | |
| 209 int is_32bit; | |
| 210 | |
| 211 /* * * */ | |
| 212 /* Window manager functions */ | |
| 213 | |
| 214 /* Set the title and icon text */ | |
| 215 void (*SetCaption)(_THIS, const char *title, const char *icon); | |
| 216 | |
| 217 /* Set the window icon image */ | |
| 218 void (*SetIcon)(_THIS, SDL_Surface *icon, Uint8 *mask); | |
| 219 | |
| 220 /* Iconify the window. | |
| 221 This function returns 1 if there is a window manager and the | |
| 222 window was actually iconified, it returns 0 otherwise. | |
| 223 */ | |
| 224 int (*IconifyWindow)(_THIS); | |
| 225 | |
| 226 /* Grab or ungrab keyboard and mouse input */ | |
| 227 SDL_GrabMode (*GrabInput)(_THIS, SDL_GrabMode mode); | |
| 228 | |
| 229 /* Get some platform dependent window information */ | |
| 230 int (*GetWMInfo)(_THIS, SDL_SysWMinfo *info); | |
| 231 | |
| 232 /* * * */ | |
| 233 /* Cursor manager functions */ | |
| 234 | |
| 235 /* Free a window manager cursor | |
| 236 This function can be NULL if CreateWMCursor is also NULL. | |
| 237 */ | |
| 238 void (*FreeWMCursor)(_THIS, WMcursor *cursor); | |
| 239 | |
| 240 /* If not NULL, create a black/white window manager cursor */ | |
| 241 WMcursor *(*CreateWMCursor)(_THIS, | |
| 242 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); | |
| 243 | |
| 244 /* Show the specified cursor, or hide if cursor is NULL */ | |
| 245 int (*ShowWMCursor)(_THIS, WMcursor *cursor); | |
| 246 | |
| 247 /* Warp the window manager cursor to (x,y) | |
| 248 If NULL, a mouse motion event is posted internally. | |
| 249 */ | |
| 250 void (*WarpWMCursor)(_THIS, Uint16 x, Uint16 y); | |
| 251 | |
| 252 /* If not NULL, this is called when a mouse motion event occurs */ | |
| 253 void (*MoveWMCursor)(_THIS, int x, int y); | |
| 254 | |
| 255 /* Determine whether the mouse should be in relative mode or not. | |
| 256 This function is called when the input grab state or cursor | |
| 257 visibility state changes. | |
| 258 If the cursor is not visible, and the input is grabbed, the | |
| 259 driver can place the mouse in relative mode, which may result | |
| 260 in higher accuracy sampling of the pointer motion. | |
| 261 */ | |
| 262 void (*CheckMouseMode)(_THIS); | |
| 263 | |
| 264 /* * * */ | |
| 265 /* Event manager functions */ | |
| 266 | |
| 267 /* Initialize keyboard mapping for this driver */ | |
| 268 void (*InitOSKeymap)(_THIS); | |
| 269 | |
| 270 /* Handle any queued OS events */ | |
| 271 void (*PumpEvents)(_THIS); | |
| 272 | |
| 273 /* * * */ | |
| 274 /* Data common to all drivers */ | |
| 275 SDL_Surface *screen; | |
| 276 SDL_Surface *shadow; | |
| 277 SDL_Surface *visible; | |
| 278 SDL_Palette *physpal; /* physical palette, if != logical palette */ | |
| 279 SDL_Color *gammacols; /* gamma-corrected colours, or NULL */ | |
| 280 char *wm_title; | |
| 281 char *wm_icon; | |
| 282 int offset_x; | |
| 283 int offset_y; | |
| 284 SDL_GrabMode input_grab; | |
| 285 | |
| 286 /* Driver information flags */ | |
| 287 int handles_any_size; /* Driver handles any size video mode */ | |
| 288 | |
| 289 /* * * */ | |
| 290 /* Data used by the GL drivers */ | |
| 291 struct { | |
| 292 int red_size; | |
| 293 int green_size; | |
| 294 int blue_size; | |
| 295 int alpha_size; | |
| 296 int depth_size; | |
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297 int buffer_size; |
| 0 | 298 int stencil_size; |
| 299 int double_buffer; | |
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300 int accum_red_size; |
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301 int accum_green_size; |
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302 int accum_blue_size; |
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303 int accum_alpha_size; |
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304 int stereo; |
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305 int multisamplebuffers; |
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306 int multisamplesamples; |
| 0 | 307 int driver_loaded; |
| 308 char driver_path[256]; | |
| 309 void* dll_handle; | |
| 310 } gl_config; | |
| 311 | |
| 312 /* * * */ | |
| 313 /* Data private to this driver */ | |
| 314 struct SDL_PrivateVideoData *hidden; | |
| 315 struct SDL_PrivateGLData *gl_data; | |
| 316 | |
| 317 /* * * */ | |
| 318 /* The function used to dispose of this structure */ | |
| 319 void (*free)(_THIS); | |
| 320 }; | |
| 321 #undef _THIS | |
| 322 | |
| 323 typedef struct VideoBootStrap { | |
| 324 const char *name; | |
| 325 const char *desc; | |
| 326 int (*available)(void); | |
| 327 SDL_VideoDevice *(*create)(int devindex); | |
| 328 } VideoBootStrap; | |
| 329 | |
| 330 #ifdef ENABLE_X11 | |
| 331 extern VideoBootStrap X11_bootstrap; | |
| 332 #endif | |
| 333 #ifdef ENABLE_DGA | |
| 334 extern VideoBootStrap DGA_bootstrap; | |
| 335 #endif | |
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336 #ifdef ENABLE_NANOX |
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337 extern VideoBootStrap NX_bootstrap; |
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338 #endif |
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339 #ifdef ENABLE_IPOD |
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340 extern VideoBootStrap iPod_bootstrap; |
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341 #endif |
| 0 | 342 #ifdef ENABLE_FBCON |
| 343 extern VideoBootStrap FBCON_bootstrap; | |
| 344 #endif | |
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345 #ifdef ENABLE_DIRECTFB |
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346 extern VideoBootStrap DirectFB_bootstrap; |
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347 #endif |
| 0 | 348 #ifdef ENABLE_PS2GS |
| 349 extern VideoBootStrap PS2GS_bootstrap; | |
| 350 #endif | |
| 351 #ifdef ENABLE_GGI | |
| 352 extern VideoBootStrap GGI_bootstrap; | |
| 353 #endif | |
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354 #ifdef ENABLE_VGL |
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355 extern VideoBootStrap VGL_bootstrap; |
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356 #endif |
| 0 | 357 #ifdef ENABLE_SVGALIB |
| 358 extern VideoBootStrap SVGALIB_bootstrap; | |
| 359 #endif | |
| 360 #ifdef ENABLE_AALIB | |
| 361 extern VideoBootStrap AALIB_bootstrap; | |
| 362 #endif | |
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363 #ifdef ENABLE_GAPI |
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364 extern VideoBootStrap GAPI_bootstrap; |
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365 #endif |
| 0 | 366 #ifdef ENABLE_WINDIB |
| 367 extern VideoBootStrap WINDIB_bootstrap; | |
| 368 #endif | |
| 369 #ifdef ENABLE_DIRECTX | |
| 370 extern VideoBootStrap DIRECTX_bootstrap; | |
| 371 #endif | |
| 372 #ifdef ENABLE_BWINDOW | |
| 373 extern VideoBootStrap BWINDOW_bootstrap; | |
| 374 #endif | |
| 375 /* MacOS X gets the proper defines from configure */ | |
| 376 #if defined(macintosh) && !defined(MACOSX) | |
| 377 #define ENABLE_TOOLBOX | |
| 378 #if !TARGET_API_MAC_CARBON | |
| 379 #define ENABLE_DRAWSPROCKET | |
| 380 #endif | |
| 381 #endif | |
| 382 #ifdef ENABLE_TOOLBOX | |
| 383 extern VideoBootStrap TOOLBOX_bootstrap; | |
| 384 #endif | |
| 385 #ifdef ENABLE_DRAWSPROCKET | |
| 386 extern VideoBootStrap DSp_bootstrap; | |
| 387 #endif | |
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388 #ifdef ENABLE_QUARTZ |
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389 extern VideoBootStrap QZ_bootstrap; |
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390 #endif |
| 0 | 391 #ifdef ENABLE_CYBERGRAPHICS |
| 392 extern VideoBootStrap CGX_bootstrap; | |
| 393 #endif | |
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394 #ifdef ENABLE_PHOTON |
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395 extern VideoBootStrap ph_bootstrap; |
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396 #endif |
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397 #ifdef ENABLE_EPOC |
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398 extern VideoBootStrap EPOC_bootstrap; |
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399 #endif |
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400 #ifdef ENABLE_DUMMYVIDEO |
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401 extern VideoBootStrap DUMMY_bootstrap; |
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402 #endif |
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403 #ifdef ENABLE_XBIOS |
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404 extern VideoBootStrap XBIOS_bootstrap; |
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405 #endif |
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406 #ifdef ENABLE_GEM |
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407 extern VideoBootStrap GEM_bootstrap; |
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408 #endif |
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409 #ifdef ENABLE_QTOPIA |
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410 extern VideoBootStrap Qtopia_bootstrap; |
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411 #endif |
| 1187 | 412 #ifdef ENABLE_WSCONS |
| 413 extern VideoBootStrap WSCONS_bootstrap; | |
| 414 #endif | |
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433
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415 #ifdef ENABLE_PICOGUI |
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416 extern VideoBootStrap PG_bootstrap; |
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417 #endif |
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418 #ifdef ENABLE_DC |
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419 extern VideoBootStrap DC_bootstrap; |
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420 #endif |
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421 #ifdef ENABLE_RISCOS |
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422 extern VideoBootStrap RISCOS_bootstrap; |
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423 #endif |
| 1190 | 424 #ifdef __OS2__ |
| 425 extern VideoBootStrap OS2FSLib_bootstrap; | |
| 426 #endif | |
| 0 | 427 /* This is the current video device */ |
| 428 extern SDL_VideoDevice *current_video; | |
| 429 | |
| 430 #define SDL_VideoSurface (current_video->screen) | |
| 431 #define SDL_ShadowSurface (current_video->shadow) | |
| 432 #define SDL_PublicSurface (current_video->visible) | |
| 433 | |
| 434 #endif /* _SDL_sysvideo_h */ |