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comparison src/video/SDL_video.c @ 853:dddfc37e1f65

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Don't allow video modes larger than the maximum size
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Feb 2004 07:42:19 +0000
parents b8d311d90021
children 50f5a29c6a17
comparison
equal deleted inserted replaced
852:2651b6b43840 853:dddfc37e1f65
357 { 0, 24, 32, 16, 15, 8, 0, 0 }, 357 { 0, 24, 32, 16, 15, 8, 0, 0 },
358 /* 32 bit closest depth ordering */ 358 /* 32 bit closest depth ordering */
359 { 0, 32, 16, 15, 24, 8, 0, 0 } 359 { 0, 32, 16, 15, 24, 8, 0, 0 }
360 }; 360 };
361 361
362 int SDL_VideoModeOK (int width, int height, int bpp, Uint32 flags) 362
363 #ifdef macintosh /* MPW optimization bug? */
364 #define NEGATIVE_ONE 0xFFFFFFFF
365 #else
366 #define NEGATIVE_ONE -1
367 #endif
368
369 int SDL_VideoModeOK (int width, int height, int bpp, Uint32 flags)
363 { 370 {
364 int table, b, i; 371 int table, b, i;
365 int supported; 372 int supported;
366 SDL_PixelFormat format; 373 SDL_PixelFormat format;
367 SDL_Rect **sizes; 374 SDL_Rect **sizes;
385 sizes = SDL_ListModes(&format, flags); 392 sizes = SDL_ListModes(&format, flags);
386 if ( sizes == (SDL_Rect **)0 ) { 393 if ( sizes == (SDL_Rect **)0 ) {
387 /* No sizes supported at this bit-depth */ 394 /* No sizes supported at this bit-depth */
388 continue; 395 continue;
389 } else 396 } else
390 #ifdef macintosh /* MPW optimization bug? */ 397 if (sizes == (SDL_Rect **)NEGATIVE_ONE) {
391 if ( (sizes == (SDL_Rect **)0xFFFFFFFF) ||
392 #else
393 if ( (sizes == (SDL_Rect **)-1) ||
394 #endif
395 current_video->handles_any_size ) {
396 /* Any size supported at this bit-depth */ 398 /* Any size supported at this bit-depth */
397 supported = 1; 399 supported = 1;
398 continue; 400 continue;
401 } else if (current_video->handles_any_size) {
402 /* Driver can center a smaller surface to simulate fullscreen */
403 for ( i=0; sizes[i]; ++i ) {
404 if ((sizes[i]->w >= width) && (sizes[i]->h >= height)) {
405 supported = 1; /* this mode can fit the centered window. */
406 break;
407 }
408 }
399 } else 409 } else
400 for ( i=0; sizes[i]; ++i ) { 410 for ( i=0; sizes[i]; ++i ) {
401 if ((sizes[i]->w == width) && (sizes[i]->h == height)) { 411 if ((sizes[i]->w == width) && (sizes[i]->h == height)) {
402 supported = 1; 412 supported = 1;
403 break; 413 break;