Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 344:7a69392b8599
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 13 Apr 2002 15:43:15 +0000 |
| parents | f6ffac90895c |
| children | db0cc6034336 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #ifndef _SDL_sysvideo_h | |
| 29 #define _SDL_sysvideo_h | |
| 30 | |
| 31 #include "SDL_mouse.h" | |
| 32 #define SDL_PROTOTYPES_ONLY | |
| 33 #include "SDL_syswm.h" | |
| 34 #undef SDL_PROTOTYPES_ONLY | |
| 35 | |
| 36 /* This file prototypes the video driver implementation. | |
| 37 This is designed to be easily converted to C++ in the future. | |
| 38 */ | |
| 39 | |
| 40 /* OpenGL is pretty much available on all Windows systems */ | |
| 41 #ifdef WIN32 | |
| 42 #ifndef _WIN32_WCE | |
| 43 #define HAVE_OPENGL | |
| 44 #endif | |
| 45 #include <windows.h> | |
| 46 #endif | |
| 47 | |
| 48 #ifdef HAVE_OPENGL | |
| 49 #ifdef MACOSX | |
| 50 #include <OpenGL/gl.h> /* OpenGL.framework */ | |
| 51 #else | |
| 52 #include <GL/gl.h> | |
| 53 #endif /* MACOSX */ | |
| 54 #endif /* HAVE_OPENGL */ | |
| 55 | |
| 56 /* The SDL video driver */ | |
| 57 typedef struct SDL_VideoDevice SDL_VideoDevice; | |
| 58 | |
| 59 /* Define the SDL video driver structure */ | |
| 60 #define _THIS SDL_VideoDevice *_this | |
| 61 #ifndef _STATUS | |
| 62 #define _STATUS SDL_status *status | |
| 63 #endif | |
| 64 struct SDL_VideoDevice { | |
| 65 /* * * */ | |
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66 /* The name of this video driver */ |
| 0 | 67 const char *name; |
| 68 | |
| 69 /* * * */ | |
| 70 /* Initialization/Query functions */ | |
| 71 | |
| 72 /* Initialize the native video subsystem, filling 'vformat' with the | |
| 73 "best" display pixel format, returning 0 or -1 if there's an error. | |
| 74 */ | |
| 75 int (*VideoInit)(_THIS, SDL_PixelFormat *vformat); | |
| 76 | |
| 77 /* List the available video modes for the given pixel format, sorted | |
| 78 from largest to smallest. | |
| 79 */ | |
| 80 SDL_Rect **(*ListModes)(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 81 | |
| 82 /* Set the requested video mode, returning a surface which will be | |
| 83 set to the SDL_VideoSurface. The width and height will already | |
| 84 be verified by ListModes(), and the video subsystem is free to | |
| 85 set the mode to a supported bit depth different from the one | |
| 86 specified -- the desired bpp will be emulated with a shadow | |
| 87 surface if necessary. If a new mode is returned, this function | |
| 88 should take care of cleaning up the current mode. | |
| 89 */ | |
| 90 SDL_Surface *(*SetVideoMode)(_THIS, SDL_Surface *current, | |
| 91 int width, int height, int bpp, Uint32 flags); | |
| 92 | |
| 93 /* Toggle the fullscreen mode */ | |
| 94 int (*ToggleFullScreen)(_THIS, int on); | |
| 95 | |
| 96 /* This is called after the video mode has been set, to get the | |
| 97 initial mouse state. It should queue events as necessary to | |
| 98 properly represent the current mouse focus and position. | |
| 99 */ | |
| 100 void (*UpdateMouse)(_THIS); | |
| 101 | |
| 102 /* Create a YUV video surface (possibly overlay) of the given | |
| 103 format. The hardware should be able to perform at least 2x | |
| 104 scaling on display. | |
| 105 */ | |
| 106 SDL_Overlay *(*CreateYUVOverlay)(_THIS, int width, int height, | |
| 107 Uint32 format, SDL_Surface *display); | |
| 108 | |
| 109 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) } | |
| 110 of the physical palette to those in 'colors'. If the device is | |
| 111 using a software palette (SDL_HWPALETTE not set), then the | |
| 112 changes are reflected in the logical palette of the screen | |
| 113 as well. | |
| 114 The return value is 1 if all entries could be set properly | |
| 115 or 0 otherwise. | |
| 116 */ | |
| 117 int (*SetColors)(_THIS, int firstcolor, int ncolors, | |
| 118 SDL_Color *colors); | |
| 119 | |
| 120 /* This pointer should exist in the native video subsystem and should | |
| 121 point to an appropriate update function for the current video mode | |
| 122 */ | |
| 123 void (*UpdateRects)(_THIS, int numrects, SDL_Rect *rects); | |
| 124 | |
| 125 /* Reverse the effects VideoInit() -- called if VideoInit() fails | |
| 126 or if the application is shutting down the video subsystem. | |
| 127 */ | |
| 128 void (*VideoQuit)(_THIS); | |
| 129 | |
| 130 /* * * */ | |
| 131 /* Hardware acceleration functions */ | |
| 132 | |
| 133 /* Information about the video hardware */ | |
| 134 SDL_VideoInfo info; | |
| 135 | |
| 136 /* Allocates a surface in video memory */ | |
| 137 int (*AllocHWSurface)(_THIS, SDL_Surface *surface); | |
| 138 | |
| 139 /* Sets the hardware accelerated blit function, if any, based | |
| 140 on the current flags of the surface (colorkey, alpha, etc.) | |
| 141 */ | |
| 142 int (*CheckHWBlit)(_THIS, SDL_Surface *src, SDL_Surface *dst); | |
| 143 | |
| 144 /* Fills a surface rectangle with the given color */ | |
| 145 int (*FillHWRect)(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); | |
| 146 | |
| 147 /* Sets video mem colorkey and accelerated blit function */ | |
| 148 int (*SetHWColorKey)(_THIS, SDL_Surface *surface, Uint32 key); | |
| 149 | |
| 150 /* Sets per surface hardware alpha value */ | |
| 151 int (*SetHWAlpha)(_THIS, SDL_Surface *surface, Uint8 value); | |
| 152 | |
| 153 /* Returns a readable/writable surface */ | |
| 154 int (*LockHWSurface)(_THIS, SDL_Surface *surface); | |
| 155 void (*UnlockHWSurface)(_THIS, SDL_Surface *surface); | |
| 156 | |
| 157 /* Performs hardware flipping */ | |
| 158 int (*FlipHWSurface)(_THIS, SDL_Surface *surface); | |
| 159 | |
| 160 /* Frees a previously allocated video surface */ | |
| 161 void (*FreeHWSurface)(_THIS, SDL_Surface *surface); | |
| 162 | |
| 163 /* * * */ | |
| 164 /* Gamma support */ | |
| 165 | |
| 166 Uint16 *gamma; | |
| 167 | |
| 168 /* Set the gamma correction directly (emulated with gamma ramps) */ | |
| 169 int (*SetGamma)(_THIS, float red, float green, float blue); | |
| 170 | |
| 171 /* Get the gamma correction directly (emulated with gamma ramps) */ | |
| 172 int (*GetGamma)(_THIS, float *red, float *green, float *blue); | |
| 173 | |
| 174 /* Set the gamma ramp */ | |
| 175 int (*SetGammaRamp)(_THIS, Uint16 *ramp); | |
| 176 | |
| 177 /* Get the gamma ramp */ | |
| 178 int (*GetGammaRamp)(_THIS, Uint16 *ramp); | |
| 179 | |
| 180 /* * * */ | |
| 181 /* OpenGL support */ | |
| 182 | |
| 183 /* Sets the dll to use for OpenGL and loads it */ | |
| 184 int (*GL_LoadLibrary)(_THIS, const char *path); | |
| 185 | |
| 186 /* Retrieves the address of a function in the gl library */ | |
| 187 void* (*GL_GetProcAddress)(_THIS, const char *proc); | |
| 188 | |
| 189 /* Get attribute information from the windowing system. */ | |
| 190 int (*GL_GetAttribute)(_THIS, SDL_GLattr attrib, int* value); | |
| 191 | |
| 192 /* Make the context associated with this driver current */ | |
| 193 int (*GL_MakeCurrent)(_THIS); | |
| 194 | |
| 195 /* Swap the current buffers in double buffer mode. */ | |
| 196 void (*GL_SwapBuffers)(_THIS); | |
| 197 | |
| 198 /* OpenGL functions for SDL_OPENGLBLIT */ | |
| 199 #ifdef HAVE_OPENGL | |
| 200 #ifndef WIN32 | |
| 201 #define WINAPI | |
| 202 #endif | |
| 203 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params; | |
| 204 #include "SDL_glfuncs.h" | |
| 205 #undef SDL_PROC | |
| 206 | |
| 207 /* Texture id */ | |
| 208 GLuint texture; | |
| 209 #endif | |
| 210 int is_32bit; | |
| 211 | |
| 212 /* * * */ | |
| 213 /* Window manager functions */ | |
| 214 | |
| 215 /* Set the title and icon text */ | |
| 216 void (*SetCaption)(_THIS, const char *title, const char *icon); | |
| 217 | |
| 218 /* Set the window icon image */ | |
| 219 void (*SetIcon)(_THIS, SDL_Surface *icon, Uint8 *mask); | |
| 220 | |
| 221 /* Iconify the window. | |
| 222 This function returns 1 if there is a window manager and the | |
| 223 window was actually iconified, it returns 0 otherwise. | |
| 224 */ | |
| 225 int (*IconifyWindow)(_THIS); | |
| 226 | |
| 227 /* Grab or ungrab keyboard and mouse input */ | |
| 228 SDL_GrabMode (*GrabInput)(_THIS, SDL_GrabMode mode); | |
| 229 | |
| 230 /* Get some platform dependent window information */ | |
| 231 int (*GetWMInfo)(_THIS, SDL_SysWMinfo *info); | |
| 232 | |
| 233 /* * * */ | |
| 234 /* Cursor manager functions */ | |
| 235 | |
| 236 /* Free a window manager cursor | |
| 237 This function can be NULL if CreateWMCursor is also NULL. | |
| 238 */ | |
| 239 void (*FreeWMCursor)(_THIS, WMcursor *cursor); | |
| 240 | |
| 241 /* If not NULL, create a black/white window manager cursor */ | |
| 242 WMcursor *(*CreateWMCursor)(_THIS, | |
| 243 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); | |
| 244 | |
| 245 /* Show the specified cursor, or hide if cursor is NULL */ | |
| 246 int (*ShowWMCursor)(_THIS, WMcursor *cursor); | |
| 247 | |
| 248 /* Warp the window manager cursor to (x,y) | |
| 249 If NULL, a mouse motion event is posted internally. | |
| 250 */ | |
| 251 void (*WarpWMCursor)(_THIS, Uint16 x, Uint16 y); | |
| 252 | |
| 253 /* If not NULL, this is called when a mouse motion event occurs */ | |
| 254 void (*MoveWMCursor)(_THIS, int x, int y); | |
| 255 | |
| 256 /* Determine whether the mouse should be in relative mode or not. | |
| 257 This function is called when the input grab state or cursor | |
| 258 visibility state changes. | |
| 259 If the cursor is not visible, and the input is grabbed, the | |
| 260 driver can place the mouse in relative mode, which may result | |
| 261 in higher accuracy sampling of the pointer motion. | |
| 262 */ | |
| 263 void (*CheckMouseMode)(_THIS); | |
| 264 | |
| 265 /* * * */ | |
| 266 /* Event manager functions */ | |
| 267 | |
| 268 /* Initialize keyboard mapping for this driver */ | |
| 269 void (*InitOSKeymap)(_THIS); | |
| 270 | |
| 271 /* Handle any queued OS events */ | |
| 272 void (*PumpEvents)(_THIS); | |
| 273 | |
| 274 /* * * */ | |
| 275 /* Data common to all drivers */ | |
| 276 SDL_Surface *screen; | |
| 277 SDL_Surface *shadow; | |
| 278 SDL_Surface *visible; | |
| 279 SDL_Palette *physpal; /* physical palette, if != logical palette */ | |
| 280 SDL_Color *gammacols; /* gamma-corrected colours, or NULL */ | |
| 281 char *wm_title; | |
| 282 char *wm_icon; | |
| 283 int offset_x; | |
| 284 int offset_y; | |
| 285 SDL_GrabMode input_grab; | |
| 286 | |
| 287 /* Driver information flags */ | |
| 288 int handles_any_size; /* Driver handles any size video mode */ | |
| 289 | |
| 290 /* * * */ | |
| 291 /* Data used by the GL drivers */ | |
| 292 struct { | |
| 293 int red_size; | |
| 294 int green_size; | |
| 295 int blue_size; | |
| 296 int alpha_size; | |
| 297 int depth_size; | |
| 298 int buffer_size; | |
| 299 int stencil_size; | |
| 300 int double_buffer; | |
| 301 int accum_red_size; | |
| 302 int accum_green_size; | |
| 303 int accum_blue_size; | |
| 304 int accum_alpha_size; | |
| 305 int driver_loaded; | |
| 306 char driver_path[256]; | |
| 307 void* dll_handle; | |
| 308 } gl_config; | |
| 309 | |
| 310 /* * * */ | |
| 311 /* Data private to this driver */ | |
| 312 struct SDL_PrivateVideoData *hidden; | |
| 313 struct SDL_PrivateGLData *gl_data; | |
| 314 | |
| 315 /* * * */ | |
| 316 /* The function used to dispose of this structure */ | |
| 317 void (*free)(_THIS); | |
| 318 }; | |
| 319 #undef _THIS | |
| 320 | |
| 321 typedef struct VideoBootStrap { | |
| 322 const char *name; | |
| 323 const char *desc; | |
| 324 int (*available)(void); | |
| 325 SDL_VideoDevice *(*create)(int devindex); | |
| 326 } VideoBootStrap; | |
| 327 | |
| 328 #ifdef ENABLE_X11 | |
| 329 extern VideoBootStrap X11_bootstrap; | |
| 330 #endif | |
| 331 #ifdef ENABLE_DGA | |
| 332 extern VideoBootStrap DGA_bootstrap; | |
| 333 #endif | |
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334 #ifdef ENABLE_NANOX |
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335 extern VideoBootStrap NX_bootstrap; |
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336 #endif |
| 0 | 337 #ifdef ENABLE_FBCON |
| 338 extern VideoBootStrap FBCON_bootstrap; | |
| 339 #endif | |
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340 #ifdef ENABLE_DIRECTFB |
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341 extern VideoBootStrap DirectFB_bootstrap; |
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342 #endif |
| 0 | 343 #ifdef ENABLE_PS2GS |
| 344 extern VideoBootStrap PS2GS_bootstrap; | |
| 345 #endif | |
| 346 #ifdef ENABLE_GGI | |
| 347 extern VideoBootStrap GGI_bootstrap; | |
| 348 #endif | |
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349 #ifdef ENABLE_VGL |
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350 extern VideoBootStrap VGL_bootstrap; |
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351 #endif |
| 0 | 352 #ifdef ENABLE_SVGALIB |
| 353 extern VideoBootStrap SVGALIB_bootstrap; | |
| 354 #endif | |
| 355 #ifdef ENABLE_AALIB | |
| 356 extern VideoBootStrap AALIB_bootstrap; | |
| 357 #endif | |
| 358 #ifdef ENABLE_WINDIB | |
| 359 extern VideoBootStrap WINDIB_bootstrap; | |
| 360 #endif | |
| 361 #ifdef ENABLE_DIRECTX | |
| 362 extern VideoBootStrap DIRECTX_bootstrap; | |
| 363 #endif | |
| 364 #ifdef ENABLE_BWINDOW | |
| 365 extern VideoBootStrap BWINDOW_bootstrap; | |
| 366 #endif | |
| 367 /* MacOS X gets the proper defines from configure */ | |
| 368 #if defined(macintosh) && !defined(MACOSX) | |
| 369 #define ENABLE_TOOLBOX | |
| 370 #if !TARGET_API_MAC_CARBON | |
| 371 #define ENABLE_DRAWSPROCKET | |
| 372 #endif | |
| 373 #endif | |
| 374 #ifdef ENABLE_TOOLBOX | |
| 375 extern VideoBootStrap TOOLBOX_bootstrap; | |
| 376 #endif | |
| 377 #ifdef ENABLE_DRAWSPROCKET | |
| 378 extern VideoBootStrap DSp_bootstrap; | |
| 379 #endif | |
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380 #ifdef ENABLE_QUARTZ |
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381 extern VideoBootStrap QZ_bootstrap; |
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382 #endif |
| 0 | 383 #ifdef ENABLE_CYBERGRAPHICS |
| 384 extern VideoBootStrap CGX_bootstrap; | |
| 385 #endif | |
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386 #ifdef ENABLE_PHOTON |
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387 extern VideoBootStrap ph_bootstrap; |
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388 #endif |
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389 #ifdef ENABLE_EPOC |
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390 extern VideoBootStrap EPOC_bootstrap; |
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391 #endif |
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392 #ifdef ENABLE_DUMMYVIDEO |
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393 extern VideoBootStrap DUMMY_bootstrap; |
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394 #endif |
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395 #ifdef ENABLE_XBIOS |
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396 extern VideoBootStrap XBIOS_bootstrap; |
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397 #endif |
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398 #ifdef ENABLE_GEM |
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399 extern VideoBootStrap GEM_bootstrap; |
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400 #endif |
| 0 | 401 /* This is the current video device */ |
| 402 extern SDL_VideoDevice *current_video; | |
| 403 | |
| 404 #define SDL_VideoSurface (current_video->screen) | |
| 405 #define SDL_ShadowSurface (current_video->shadow) | |
| 406 #define SDL_PublicSurface (current_video->visible) | |
| 407 | |
| 408 #endif /* _SDL_sysvideo_h */ |