Mercurial > sdl-ios-xcode
annotate docs/html/sdlsetvideomode.html @ 106:63ec24e0575f
Merged DGA video surface handling improvements, unified locking code.
Fixed matrox blit bug where src Y less than dst Y
Fixed hardware surface init when no resolution change
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Fri, 13 Jul 2001 10:19:51 +0000 |
| parents | 55f1f1b3e27d |
| children | e5bc29de3f0a |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_SetVideoMode</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Video" | |
| 14 HREF="video.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_VideoModeOK" | |
| 17 HREF="sdlvideomodeok.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_UpdateRect" | |
| 20 HREF="sdlupdaterect.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlvideomodeok.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlupdaterect.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLSETVIDEOMODE" | |
| 71 >SDL_SetVideoMode</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN834" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_SetVideoMode -- Set up a video mode with the specified width, height and bits-per-pixel.</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN837" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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|
91 NAME="AEN838" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >SDL_Surface *<B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_SetVideoMode</B | |
| 105 ></CODE | |
| 106 >(int width, int height, int bpp, Uint32 flags);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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|
115 NAME="AEN844" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Set up a video mode with the specified width, height and bits-per-pixel.</P | |
| 121 ><P | |
| 122 >If <TT | |
| 123 CLASS="PARAMETER" | |
| 124 ><I | |
| 125 >bpp</I | |
| 126 ></TT | |
| 127 > is 0, it is treated as the | |
| 128 current display bits per pixel.</P | |
| 129 ><P | |
| 130 >The <TT | |
| 131 CLASS="PARAMETER" | |
| 132 ><I | |
| 133 >flags</I | |
| 134 ></TT | |
| 135 > parameter is the same as the <TT | |
| 136 CLASS="STRUCTFIELD" | |
| 137 ><I | |
| 138 >flags</I | |
| 139 ></TT | |
| 140 > field of the <A | |
| 141 HREF="sdlsurface.html" | |
| 142 ><SPAN | |
| 143 CLASS="STRUCTNAME" | |
| 144 >SDL_Surface</SPAN | |
| 145 ></A | |
| 146 > structure. OR'd combinations of the following values are valid.</P | |
| 147 ><DIV | |
| 148 CLASS="INFORMALTABLE" | |
| 149 ><A | |
|
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diff
changeset
|
150 NAME="AEN854" |
| 0 | 151 ></A |
| 152 ><P | |
| 153 ></P | |
| 154 ><TABLE | |
| 155 BORDER="1" | |
| 156 CLASS="CALSTABLE" | |
| 157 ><TBODY | |
| 158 ><TR | |
| 159 ><TD | |
| 160 ALIGN="LEFT" | |
| 161 VALIGN="TOP" | |
| 162 ><TT | |
| 163 CLASS="LITERAL" | |
| 164 >SDL_SWSURFACE</TT | |
| 165 ></TD | |
| 166 ><TD | |
| 167 ALIGN="LEFT" | |
| 168 VALIGN="TOP" | |
| 169 >Create the video surface in system memory</TD | |
| 170 ></TR | |
| 171 ><TR | |
| 172 ><TD | |
| 173 ALIGN="LEFT" | |
| 174 VALIGN="TOP" | |
| 175 ><TT | |
| 176 CLASS="LITERAL" | |
| 177 >SDL_HWSURFACE</TT | |
| 178 ></TD | |
| 179 ><TD | |
| 180 ALIGN="LEFT" | |
| 181 VALIGN="TOP" | |
| 182 >Create the video surface in video memory</TD | |
| 183 ></TR | |
| 184 ><TR | |
| 185 ><TD | |
| 186 ALIGN="LEFT" | |
| 187 VALIGN="TOP" | |
| 188 ><TT | |
| 189 CLASS="LITERAL" | |
| 190 >SDL_ASYNCBLIT</TT | |
| 191 ></TD | |
| 192 ><TD | |
| 193 ALIGN="LEFT" | |
| 194 VALIGN="TOP" | |
| 195 >Enables the use of asynchronous to the display surface. This will usually slow down blitting on single CPU machines, but may provide a speed increase on SMP systems.</TD | |
| 196 ></TR | |
| 197 ><TR | |
| 198 ><TD | |
| 199 ALIGN="LEFT" | |
| 200 VALIGN="TOP" | |
| 201 ><TT | |
| 202 CLASS="LITERAL" | |
| 203 >SDL_ANYFORMAT</TT | |
| 204 ></TD | |
| 205 ><TD | |
| 206 ALIGN="LEFT" | |
| 207 VALIGN="TOP" | |
| 208 >Normally, if a video surface of the requested depth (<TT | |
| 209 CLASS="PARAMETER" | |
| 210 ><I | |
| 211 >bpp</I | |
| 212 ></TT | |
| 213 >) is not available, SDL will emulate one with a shadow surface. Passing <TT | |
| 214 CLASS="LITERAL" | |
| 215 >SDL_ANYFORMAT</TT | |
| 216 > prevents this and causes SDL to use the video surface, regardless of its depth.</TD | |
| 217 ></TR | |
| 218 ><TR | |
| 219 ><TD | |
| 220 ALIGN="LEFT" | |
| 221 VALIGN="TOP" | |
| 222 ><TT | |
| 223 CLASS="LITERAL" | |
| 224 >SDL_HWPALETTE</TT | |
| 225 ></TD | |
| 226 ><TD | |
| 227 ALIGN="LEFT" | |
| 228 VALIGN="TOP" | |
| 229 >Give SDL exclusive palette access. Without this flag you may not always get the the colors you request with <A | |
| 230 HREF="sdlsetcolors.html" | |
| 231 ><TT | |
| 232 CLASS="FUNCTION" | |
| 233 >SDL_SetColors</TT | |
| 234 ></A | |
| 235 >.</TD | |
| 236 ></TR | |
| 237 ><TR | |
| 238 ><TD | |
| 239 ALIGN="LEFT" | |
| 240 VALIGN="TOP" | |
| 241 ><TT | |
| 242 CLASS="LITERAL" | |
| 243 >SDL_DOUBLEBUF</TT | |
| 244 ></TD | |
| 245 ><TD | |
| 246 ALIGN="LEFT" | |
| 247 VALIGN="TOP" | |
|
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diff
changeset
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248 >Enable double buffering; only valid with SDL_HWSURFACE. Calling <A |
| 0 | 249 HREF="sdlflip.html" |
| 250 ><TT | |
| 251 CLASS="FUNCTION" | |
| 252 >SDL_Flip</TT | |
| 253 ></A | |
| 254 > will flip the buffers and update the screen. If double buffering could not be enabled then <TT | |
| 255 CLASS="FUNCTION" | |
| 256 >SDL_Flip</TT | |
| 257 > will just perform a <A | |
| 258 HREF="sdlupdaterect.html" | |
| 259 ><TT | |
| 260 CLASS="FUNCTION" | |
| 261 >SDL_UpdateRect</TT | |
| 262 ></A | |
| 263 > on the entire screen.</TD | |
| 264 ></TR | |
| 265 ><TR | |
| 266 ><TD | |
| 267 ALIGN="LEFT" | |
| 268 VALIGN="TOP" | |
| 269 ><TT | |
| 270 CLASS="LITERAL" | |
| 271 >SDL_FULLSCREEN</TT | |
| 272 ></TD | |
| 273 ><TD | |
| 274 ALIGN="LEFT" | |
| 275 VALIGN="TOP" | |
| 276 >SDL will attempt to use a fullscreen mode</TD | |
| 277 ></TR | |
| 278 ><TR | |
| 279 ><TD | |
| 280 ALIGN="LEFT" | |
| 281 VALIGN="TOP" | |
| 282 ><TT | |
| 283 CLASS="LITERAL" | |
| 284 >SDL_OPENGL</TT | |
| 285 ></TD | |
| 286 ><TD | |
| 287 ALIGN="LEFT" | |
| 288 VALIGN="TOP" | |
| 289 >Create an OpenGL rendering context. You should have previously set OpenGL video attributes with <A | |
| 290 HREF="sdlglsetattribute.html" | |
| 291 ><TT | |
| 292 CLASS="FUNCTION" | |
| 293 >SDL_GL_SetAttribute</TT | |
| 294 ></A | |
| 295 >.</TD | |
| 296 ></TR | |
| 297 ><TR | |
| 298 ><TD | |
| 299 ALIGN="LEFT" | |
| 300 VALIGN="TOP" | |
| 301 ><TT | |
| 302 CLASS="LITERAL" | |
| 303 >SDL_OPENGLBLIT</TT | |
| 304 ></TD | |
| 305 ><TD | |
| 306 ALIGN="LEFT" | |
| 307 VALIGN="TOP" | |
| 308 >Create an OpenGL rendering context, like above, but allow normal blitting operations.</TD | |
| 309 ></TR | |
| 310 ><TR | |
| 311 ><TD | |
| 312 ALIGN="LEFT" | |
| 313 VALIGN="TOP" | |
| 314 ><TT | |
| 315 CLASS="LITERAL" | |
| 316 >SDL_RESIZABLE</TT | |
| 317 ></TD | |
| 318 ><TD | |
| 319 ALIGN="LEFT" | |
| 320 VALIGN="TOP" | |
| 321 >Create a resizable window. When the window is resized by the user a <A | |
| 322 HREF="sdlresizeevent.html" | |
| 323 ><TT | |
| 324 CLASS="LITERAL" | |
| 325 >SDL_VIDEORESIZE</TT | |
| 326 ></A | |
| 327 > event is generated and <TT | |
| 328 CLASS="FUNCTION" | |
| 329 >SDL_SetVideoMode</TT | |
| 330 > can be called again with the new size.</TD | |
| 331 ></TR | |
| 332 ><TR | |
| 333 ><TD | |
| 334 ALIGN="LEFT" | |
| 335 VALIGN="TOP" | |
| 336 ><TT | |
| 337 CLASS="LITERAL" | |
| 338 >SDL_NOFRAME</TT | |
| 339 ></TD | |
| 340 ><TD | |
| 341 ALIGN="LEFT" | |
| 342 VALIGN="TOP" | |
| 343 >If possible, <TT | |
| 344 CLASS="LITERAL" | |
| 345 >SDL_NOFRAME</TT | |
| 346 > causes SDL to create a window with no title bar or frame decoration. Fullscreen modes automatically have this flag set.</TD | |
| 347 ></TR | |
| 348 ></TBODY | |
| 349 ></TABLE | |
| 350 ><P | |
| 351 ></P | |
| 352 ></DIV | |
| 353 ><DIV | |
| 354 CLASS="NOTE" | |
| 355 ><BLOCKQUOTE | |
| 356 CLASS="NOTE" | |
| 357 ><P | |
| 358 ><B | |
| 359 >Note: </B | |
| 360 >Whatever <TT | |
| 361 CLASS="PARAMETER" | |
| 362 ><I | |
| 363 >flags</I | |
| 364 ></TT | |
| 365 > <TT | |
| 366 CLASS="FUNCTION" | |
| 367 >SDL_SetVideoMode</TT | |
| 368 > could satisfy are set in the <TT | |
| 369 CLASS="STRUCTFIELD" | |
| 370 ><I | |
| 371 >flags</I | |
| 372 ></TT | |
| 373 > member of the returned surface.</P | |
| 374 ></BLOCKQUOTE | |
| 375 ></DIV | |
| 376 ></DIV | |
| 377 ><DIV | |
| 378 CLASS="REFSECT1" | |
| 379 ><A | |
|
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parents:
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diff
changeset
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380 NAME="AEN921" |
| 0 | 381 ></A |
| 382 ><H2 | |
| 383 >Return Value</H2 | |
| 384 ><P | |
| 385 >The framebuffer surface, or <SPAN | |
| 386 CLASS="RETURNVALUE" | |
| 387 >NULL</SPAN | |
| 388 > if it fails.</P | |
| 389 ></DIV | |
| 390 ><DIV | |
| 391 CLASS="REFSECT1" | |
| 392 ><A | |
|
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parents:
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diff
changeset
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393 NAME="AEN925" |
| 0 | 394 ></A |
| 395 ><H2 | |
| 396 >See Also</H2 | |
| 397 ><P | |
| 398 ><A | |
| 399 HREF="sdllocksurface.html" | |
| 400 ><TT | |
| 401 CLASS="FUNCTION" | |
| 402 >SDL_LockSurface</TT | |
| 403 ></A | |
| 404 >, | |
| 405 <A | |
| 406 HREF="sdlsetcolors.html" | |
| 407 ><TT | |
| 408 CLASS="FUNCTION" | |
| 409 >SDL_SetColors</TT | |
| 410 ></A | |
| 411 >, | |
| 412 <A | |
| 413 HREF="sdlflip.html" | |
| 414 ><TT | |
| 415 CLASS="FUNCTION" | |
| 416 >SDL_Flip</TT | |
| 417 ></A | |
| 418 >, | |
| 419 <A | |
| 420 HREF="sdlsurface.html" | |
| 421 ><SPAN | |
| 422 CLASS="STRUCTNAME" | |
| 423 >SDL_Surface</SPAN | |
| 424 ></A | |
| 425 ></P | |
| 426 ></DIV | |
| 427 ><DIV | |
| 428 CLASS="NAVFOOTER" | |
| 429 ><HR | |
| 430 ALIGN="LEFT" | |
| 431 WIDTH="100%"><TABLE | |
| 432 WIDTH="100%" | |
| 433 BORDER="0" | |
| 434 CELLPADDING="0" | |
| 435 CELLSPACING="0" | |
| 436 ><TR | |
| 437 ><TD | |
| 438 WIDTH="33%" | |
| 439 ALIGN="left" | |
| 440 VALIGN="top" | |
| 441 ><A | |
| 442 HREF="sdlvideomodeok.html" | |
| 443 >Prev</A | |
| 444 ></TD | |
| 445 ><TD | |
| 446 WIDTH="34%" | |
| 447 ALIGN="center" | |
| 448 VALIGN="top" | |
| 449 ><A | |
| 450 HREF="index.html" | |
| 451 >Home</A | |
| 452 ></TD | |
| 453 ><TD | |
| 454 WIDTH="33%" | |
| 455 ALIGN="right" | |
| 456 VALIGN="top" | |
| 457 ><A | |
| 458 HREF="sdlupdaterect.html" | |
| 459 >Next</A | |
| 460 ></TD | |
| 461 ></TR | |
| 462 ><TR | |
| 463 ><TD | |
| 464 WIDTH="33%" | |
| 465 ALIGN="left" | |
| 466 VALIGN="top" | |
| 467 >SDL_VideoModeOK</TD | |
| 468 ><TD | |
| 469 WIDTH="34%" | |
| 470 ALIGN="center" | |
| 471 VALIGN="top" | |
| 472 ><A | |
| 473 HREF="video.html" | |
| 474 >Up</A | |
| 475 ></TD | |
| 476 ><TD | |
| 477 WIDTH="33%" | |
| 478 ALIGN="right" | |
| 479 VALIGN="top" | |
| 480 >SDL_UpdateRect</TD | |
| 481 ></TR | |
| 482 ></TABLE | |
| 483 ></DIV | |
| 484 ></BODY | |
| 485 ></HTML | |
| 486 > |