Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 4165:3b8ac3d311a2 SDL-1.2
Hello.
This patch provides basic support for video on the Sony PS3
Linux framebuffer. Scaling, format-conversion, and drawing is
done from the SPEs, so there is little performance impact to
PPE applications. This is by no means production quality code,
but it is a very good start and a good example of how to use the
PS3's hardware capabilities to accelerate video playback on
the box.
The driver has been verified to work with ffplay, mplayer and xine.
This piece of software has been developed at the IBM R&D Lab
in Boeblingen, Germany and is now returned to the community.
Enjoy !
Signed-off-by: D.Herrendoerfer < d.herrendoerfer [at] de [dot] ibm [dot] com >
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 02 Apr 2009 04:06:55 +0000 |
| parents | a1b03ba2fcd0 |
| children | d62725f761a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 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" | |
| 28 #define SDL_PROTOTYPES_ONLY | |
| 29 #include "SDL_syswm.h" | |
| 30 #undef SDL_PROTOTYPES_ONLY | |
| 31 | |
| 32 /* This file prototypes the video driver implementation. | |
| 33 This is designed to be easily converted to C++ in the future. | |
| 34 */ | |
| 35 | |
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36 #if SDL_VIDEO_OPENGL |
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37 #include "SDL_opengl.h" |
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38 #endif /* SDL_VIDEO_OPENGL */ |
| 0 | 39 |
| 40 /* The SDL video driver */ | |
| 41 typedef struct SDL_VideoDevice SDL_VideoDevice; | |
| 42 | |
| 43 /* Define the SDL video driver structure */ | |
| 44 #define _THIS SDL_VideoDevice *_this | |
| 45 #ifndef _STATUS | |
| 46 #define _STATUS SDL_status *status | |
| 47 #endif | |
| 48 struct SDL_VideoDevice { | |
| 49 /* * * */ | |
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50 /* The name of this video driver */ |
| 0 | 51 const char *name; |
| 52 | |
| 53 /* * * */ | |
| 54 /* Initialization/Query functions */ | |
| 55 | |
| 56 /* Initialize the native video subsystem, filling 'vformat' with the | |
| 57 "best" display pixel format, returning 0 or -1 if there's an error. | |
| 58 */ | |
| 59 int (*VideoInit)(_THIS, SDL_PixelFormat *vformat); | |
| 60 | |
| 61 /* List the available video modes for the given pixel format, sorted | |
| 62 from largest to smallest. | |
| 63 */ | |
| 64 SDL_Rect **(*ListModes)(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 65 | |
| 66 /* Set the requested video mode, returning a surface which will be | |
| 67 set to the SDL_VideoSurface. The width and height will already | |
| 68 be verified by ListModes(), and the video subsystem is free to | |
| 69 set the mode to a supported bit depth different from the one | |
| 70 specified -- the desired bpp will be emulated with a shadow | |
| 71 surface if necessary. If a new mode is returned, this function | |
| 72 should take care of cleaning up the current mode. | |
| 73 */ | |
| 74 SDL_Surface *(*SetVideoMode)(_THIS, SDL_Surface *current, | |
| 75 int width, int height, int bpp, Uint32 flags); | |
| 76 | |
| 77 /* Toggle the fullscreen mode */ | |
| 78 int (*ToggleFullScreen)(_THIS, int on); | |
| 79 | |
| 80 /* This is called after the video mode has been set, to get the | |
| 81 initial mouse state. It should queue events as necessary to | |
| 82 properly represent the current mouse focus and position. | |
| 83 */ | |
| 84 void (*UpdateMouse)(_THIS); | |
| 85 | |
| 86 /* Create a YUV video surface (possibly overlay) of the given | |
| 87 format. The hardware should be able to perform at least 2x | |
| 88 scaling on display. | |
| 89 */ | |
| 90 SDL_Overlay *(*CreateYUVOverlay)(_THIS, int width, int height, | |
| 91 Uint32 format, SDL_Surface *display); | |
| 92 | |
| 93 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) } | |
| 94 of the physical palette to those in 'colors'. If the device is | |
| 95 using a software palette (SDL_HWPALETTE not set), then the | |
| 96 changes are reflected in the logical palette of the screen | |
| 97 as well. | |
| 98 The return value is 1 if all entries could be set properly | |
| 99 or 0 otherwise. | |
| 100 */ | |
| 101 int (*SetColors)(_THIS, int firstcolor, int ncolors, | |
| 102 SDL_Color *colors); | |
| 103 | |
| 104 /* This pointer should exist in the native video subsystem and should | |
| 105 point to an appropriate update function for the current video mode | |
| 106 */ | |
| 107 void (*UpdateRects)(_THIS, int numrects, SDL_Rect *rects); | |
| 108 | |
| 109 /* Reverse the effects VideoInit() -- called if VideoInit() fails | |
| 110 or if the application is shutting down the video subsystem. | |
| 111 */ | |
| 112 void (*VideoQuit)(_THIS); | |
| 113 | |
| 114 /* * * */ | |
| 115 /* Hardware acceleration functions */ | |
| 116 | |
| 117 /* Information about the video hardware */ | |
| 118 SDL_VideoInfo info; | |
| 119 | |
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120 /* The pixel format used when SDL_CreateRGBSurface creates SDL_HWSURFACEs with alpha */ |
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121 SDL_PixelFormat* displayformatalphapixel; |
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122 |
| 0 | 123 /* Allocates a surface in video memory */ |
| 124 int (*AllocHWSurface)(_THIS, SDL_Surface *surface); | |
| 125 | |
| 126 /* Sets the hardware accelerated blit function, if any, based | |
| 127 on the current flags of the surface (colorkey, alpha, etc.) | |
| 128 */ | |
| 129 int (*CheckHWBlit)(_THIS, SDL_Surface *src, SDL_Surface *dst); | |
| 130 | |
| 131 /* Fills a surface rectangle with the given color */ | |
| 132 int (*FillHWRect)(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | |
| 133 | |
| 134 /* Sets video mem colorkey and accelerated blit function */ | |
| 135 int (*SetHWColorKey)(_THIS, SDL_Surface *surface, Uint32 key); | |
| 136 | |
| 137 /* Sets per surface hardware alpha value */ | |
| 138 int (*SetHWAlpha)(_THIS, SDL_Surface *surface, Uint8 value); | |
| 139 | |
| 140 /* Returns a readable/writable surface */ | |
| 141 int (*LockHWSurface)(_THIS, SDL_Surface *surface); | |
| 142 void (*UnlockHWSurface)(_THIS, SDL_Surface *surface); | |
| 143 | |
| 144 /* Performs hardware flipping */ | |
| 145 int (*FlipHWSurface)(_THIS, SDL_Surface *surface); | |
| 146 | |
| 147 /* Frees a previously allocated video surface */ | |
| 148 void (*FreeHWSurface)(_THIS, SDL_Surface *surface); | |
| 149 | |
| 150 /* * * */ | |
| 151 /* Gamma support */ | |
| 152 | |
| 153 Uint16 *gamma; | |
| 154 | |
| 155 /* Set the gamma correction directly (emulated with gamma ramps) */ | |
| 156 int (*SetGamma)(_THIS, float red, float green, float blue); | |
| 157 | |
| 158 /* Get the gamma correction directly (emulated with gamma ramps) */ | |
| 159 int (*GetGamma)(_THIS, float *red, float *green, float *blue); | |
| 160 | |
| 161 /* Set the gamma ramp */ | |
| 162 int (*SetGammaRamp)(_THIS, Uint16 *ramp); | |
| 163 | |
| 164 /* Get the gamma ramp */ | |
| 165 int (*GetGammaRamp)(_THIS, Uint16 *ramp); | |
| 166 | |
| 167 /* * * */ | |
| 168 /* OpenGL support */ | |
| 169 | |
| 170 /* Sets the dll to use for OpenGL and loads it */ | |
| 171 int (*GL_LoadLibrary)(_THIS, const char *path); | |
| 172 | |
| 173 /* Retrieves the address of a function in the gl library */ | |
| 174 void* (*GL_GetProcAddress)(_THIS, const char *proc); | |
| 175 | |
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176 /* Get attribute information from the windowing system. */ |
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177 int (*GL_GetAttribute)(_THIS, SDL_GLattr attrib, int* value); |
| 0 | 178 |
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179 /* Make the context associated with this driver current */ |
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180 int (*GL_MakeCurrent)(_THIS); |
| 0 | 181 |
| 182 /* Swap the current buffers in double buffer mode. */ | |
| 183 void (*GL_SwapBuffers)(_THIS); | |
| 184 | |
| 185 /* OpenGL functions for SDL_OPENGLBLIT */ | |
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186 #if SDL_VIDEO_OPENGL |
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187 #if !defined(__WIN32__) |
| 0 | 188 #define WINAPI |
| 189 #endif | |
| 190 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params; | |
| 191 #include "SDL_glfuncs.h" | |
| 192 #undef SDL_PROC | |
| 193 | |
| 194 /* Texture id */ | |
| 195 GLuint texture; | |
| 196 #endif | |
| 197 int is_32bit; | |
| 198 | |
| 199 /* * * */ | |
| 200 /* Window manager functions */ | |
| 201 | |
| 202 /* Set the title and icon text */ | |
| 203 void (*SetCaption)(_THIS, const char *title, const char *icon); | |
| 204 | |
| 205 /* Set the window icon image */ | |
| 206 void (*SetIcon)(_THIS, SDL_Surface *icon, Uint8 *mask); | |
| 207 | |
| 208 /* Iconify the window. | |
| 209 This function returns 1 if there is a window manager and the | |
| 210 window was actually iconified, it returns 0 otherwise. | |
| 211 */ | |
| 212 int (*IconifyWindow)(_THIS); | |
| 213 | |
| 214 /* Grab or ungrab keyboard and mouse input */ | |
| 215 SDL_GrabMode (*GrabInput)(_THIS, SDL_GrabMode mode); | |
| 216 | |
| 217 /* Get some platform dependent window information */ | |
| 218 int (*GetWMInfo)(_THIS, SDL_SysWMinfo *info); | |
| 219 | |
| 220 /* * * */ | |
| 221 /* Cursor manager functions */ | |
| 222 | |
| 223 /* Free a window manager cursor | |
| 224 This function can be NULL if CreateWMCursor is also NULL. | |
| 225 */ | |
| 226 void (*FreeWMCursor)(_THIS, WMcursor *cursor); | |
| 227 | |
| 228 /* If not NULL, create a black/white window manager cursor */ | |
| 229 WMcursor *(*CreateWMCursor)(_THIS, | |
| 230 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); | |
| 231 | |
| 232 /* Show the specified cursor, or hide if cursor is NULL */ | |
| 233 int (*ShowWMCursor)(_THIS, WMcursor *cursor); | |
| 234 | |
| 235 /* Warp the window manager cursor to (x,y) | |
| 236 If NULL, a mouse motion event is posted internally. | |
| 237 */ | |
| 238 void (*WarpWMCursor)(_THIS, Uint16 x, Uint16 y); | |
| 239 | |
| 240 /* If not NULL, this is called when a mouse motion event occurs */ | |
| 241 void (*MoveWMCursor)(_THIS, int x, int y); | |
| 242 | |
| 243 /* Determine whether the mouse should be in relative mode or not. | |
| 244 This function is called when the input grab state or cursor | |
| 245 visibility state changes. | |
| 246 If the cursor is not visible, and the input is grabbed, the | |
| 247 driver can place the mouse in relative mode, which may result | |
| 248 in higher accuracy sampling of the pointer motion. | |
| 249 */ | |
| 250 void (*CheckMouseMode)(_THIS); | |
| 251 | |
| 252 /* * * */ | |
| 253 /* Event manager functions */ | |
| 254 | |
| 255 /* Initialize keyboard mapping for this driver */ | |
| 256 void (*InitOSKeymap)(_THIS); | |
| 257 | |
| 258 /* Handle any queued OS events */ | |
| 259 void (*PumpEvents)(_THIS); | |
| 260 | |
| 261 /* * * */ | |
| 262 /* Data common to all drivers */ | |
| 263 SDL_Surface *screen; | |
| 264 SDL_Surface *shadow; | |
| 265 SDL_Surface *visible; | |
| 266 SDL_Palette *physpal; /* physical palette, if != logical palette */ | |
| 267 SDL_Color *gammacols; /* gamma-corrected colours, or NULL */ | |
| 268 char *wm_title; | |
| 269 char *wm_icon; | |
| 270 int offset_x; | |
| 271 int offset_y; | |
| 272 SDL_GrabMode input_grab; | |
| 273 | |
| 274 /* Driver information flags */ | |
| 275 int handles_any_size; /* Driver handles any size video mode */ | |
| 276 | |
| 277 /* * * */ | |
| 278 /* Data used by the GL drivers */ | |
| 279 struct { | |
| 280 int red_size; | |
| 281 int green_size; | |
| 282 int blue_size; | |
| 283 int alpha_size; | |
| 284 int depth_size; | |
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285 int buffer_size; |
| 0 | 286 int stencil_size; |
| 287 int double_buffer; | |
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288 int accum_red_size; |
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289 int accum_green_size; |
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290 int accum_blue_size; |
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291 int accum_alpha_size; |
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292 int stereo; |
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293 int multisamplebuffers; |
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294 int multisamplesamples; |
| 1737 | 295 int accelerated; |
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296 int swap_control; |
| 0 | 297 int driver_loaded; |
| 298 char driver_path[256]; | |
| 299 void* dll_handle; | |
| 300 } gl_config; | |
| 301 | |
| 302 /* * * */ | |
| 303 /* Data private to this driver */ | |
| 304 struct SDL_PrivateVideoData *hidden; | |
| 305 struct SDL_PrivateGLData *gl_data; | |
| 306 | |
| 307 /* * * */ | |
| 308 /* The function used to dispose of this structure */ | |
| 309 void (*free)(_THIS); | |
| 310 }; | |
| 311 #undef _THIS | |
| 312 | |
| 313 typedef struct VideoBootStrap { | |
| 314 const char *name; | |
| 315 const char *desc; | |
| 316 int (*available)(void); | |
| 317 SDL_VideoDevice *(*create)(int devindex); | |
| 318 } VideoBootStrap; | |
| 319 | |
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320 #if SDL_VIDEO_DRIVER_QUARTZ |
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321 extern VideoBootStrap QZ_bootstrap; |
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322 #endif |
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323 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 324 extern VideoBootStrap X11_bootstrap; |
| 325 #endif | |
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326 #if SDL_VIDEO_DRIVER_DGA |
| 0 | 327 extern VideoBootStrap DGA_bootstrap; |
| 328 #endif | |
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329 #if SDL_VIDEO_DRIVER_NANOX |
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330 extern VideoBootStrap NX_bootstrap; |
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331 #endif |
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332 #if SDL_VIDEO_DRIVER_IPOD |
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333 extern VideoBootStrap iPod_bootstrap; |
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334 #endif |
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335 #if SDL_VIDEO_DRIVER_QTOPIA |
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336 extern VideoBootStrap Qtopia_bootstrap; |
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337 #endif |
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338 #if SDL_VIDEO_DRIVER_WSCONS |
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339 extern VideoBootStrap WSCONS_bootstrap; |
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340 #endif |
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341 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 342 extern VideoBootStrap FBCON_bootstrap; |
| 343 #endif | |
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344 #if SDL_VIDEO_DRIVER_DIRECTFB |
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345 extern VideoBootStrap DirectFB_bootstrap; |
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346 #endif |
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347 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 348 extern VideoBootStrap PS2GS_bootstrap; |
| 349 #endif | |
| 4165 | 350 #if SDL_VIDEO_DRIVER_PS3 |
| 351 extern VideoBootStrap PS3_bootstrap; | |
| 352 #endif | |
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353 #if SDL_VIDEO_DRIVER_GGI |
| 0 | 354 extern VideoBootStrap GGI_bootstrap; |
| 355 #endif | |
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356 #if SDL_VIDEO_DRIVER_VGL |
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357 extern VideoBootStrap VGL_bootstrap; |
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358 #endif |
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359 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 360 extern VideoBootStrap SVGALIB_bootstrap; |
| 361 #endif | |
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362 #if SDL_VIDEO_DRIVER_GAPI |
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363 extern VideoBootStrap GAPI_bootstrap; |
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364 #endif |
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365 #if SDL_VIDEO_DRIVER_WINDIB |
| 0 | 366 extern VideoBootStrap WINDIB_bootstrap; |
| 367 #endif | |
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368 #if SDL_VIDEO_DRIVER_DDRAW |
| 0 | 369 extern VideoBootStrap DIRECTX_bootstrap; |
| 370 #endif | |
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371 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 372 extern VideoBootStrap BWINDOW_bootstrap; |
| 373 #endif | |
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374 #if SDL_VIDEO_DRIVER_TOOLBOX |
| 0 | 375 extern VideoBootStrap TOOLBOX_bootstrap; |
| 376 #endif | |
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377 #if SDL_VIDEO_DRIVER_DRAWSPROCKET |
| 0 | 378 extern VideoBootStrap DSp_bootstrap; |
| 379 #endif | |
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380 #if SDL_VIDEO_DRIVER_PHOTON |
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381 extern VideoBootStrap ph_bootstrap; |
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382 #endif |
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383 #if SDL_VIDEO_DRIVER_EPOC |
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384 extern VideoBootStrap EPOC_bootstrap; |
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385 #endif |
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386 #if SDL_VIDEO_DRIVER_XBIOS |
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387 extern VideoBootStrap XBIOS_bootstrap; |
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388 #endif |
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389 #if SDL_VIDEO_DRIVER_GEM |
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390 extern VideoBootStrap GEM_bootstrap; |
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391 #endif |
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392 #if SDL_VIDEO_DRIVER_PICOGUI |
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393 extern VideoBootStrap PG_bootstrap; |
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394 #endif |
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395 #if SDL_VIDEO_DRIVER_DC |
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396 extern VideoBootStrap DC_bootstrap; |
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397 #endif |
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398 #if SDL_VIDEO_DRIVER_NDS |
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399 extern VideoBootStrap NDS_bootstrap; |
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400 #endif |
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401 #if SDL_VIDEO_DRIVER_RISCOS |
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402 extern VideoBootStrap RISCOS_bootstrap; |
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403 #endif |
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404 #if SDL_VIDEO_DRIVER_OS2FS |
| 1190 | 405 extern VideoBootStrap OS2FSLib_bootstrap; |
| 406 #endif | |
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407 #if SDL_VIDEO_DRIVER_AALIB |
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408 extern VideoBootStrap AALIB_bootstrap; |
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409 #endif |
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410 #if SDL_VIDEO_DRIVER_DUMMY |
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411 extern VideoBootStrap DUMMY_bootstrap; |
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412 #endif |
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413 |
| 0 | 414 /* This is the current video device */ |
| 415 extern SDL_VideoDevice *current_video; | |
| 416 | |
| 417 #define SDL_VideoSurface (current_video->screen) | |
| 418 #define SDL_ShadowSurface (current_video->shadow) | |
| 419 #define SDL_PublicSurface (current_video->visible) | |
| 420 | |
| 421 #endif /* _SDL_sysvideo_h */ |