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comparison test/testgl.c @ 1654:0a53c90a37f9 SDL-1.3

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Updated to 1.3.0, SDL_OPENGLBLIT is no longer supported
author Sam Lantinga <slouken@libsdl.org>
date Thu, 27 Apr 2006 05:30:05 +0000
parents 4d3bb026cd16
children 96c2f89cc7e1
comparison
equal deleted inserted replaced
1653:939d938d62df 1654:0a53c90a37f9
12 /* Undefine this if you want a flat cube instead of a rainbow cube */ 12 /* Undefine this if you want a flat cube instead of a rainbow cube */
13 #define SHADED_CUBE 13 #define SHADED_CUBE
14 14
15 /* Define this to be the name of the logo image to use with -logo */ 15 /* Define this to be the name of the logo image to use with -logo */
16 #define LOGO_FILE "icon.bmp" 16 #define LOGO_FILE "icon.bmp"
17
18 /* The SDL_OPENGLBLIT interface is deprecated.
19 The code is still available for benchmark purposes though.
20 */
21
22 static SDL_bool USE_DEPRECATED_OPENGLBLIT = SDL_FALSE;
23 17
24 static SDL_Surface *global_image = NULL; 18 static SDL_Surface *global_image = NULL;
25 static GLuint global_texture = 0; 19 static GLuint global_texture = 0;
26 static GLuint cursor_texture = 0; 20 static GLuint cursor_texture = 0;
27 21
362 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y ); 356 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y );
363 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h); 357 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h);
364 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h); 358 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
365 glEnd(); 359 glEnd();
366 SDL_GL_Leave2DMode(); 360 SDL_GL_Leave2DMode();
367 }
368
369 /* This code is deprecated, but available for speed comparisons */
370 void DrawLogoBlit(void)
371 {
372 static int x = 0;
373 static int y = 0;
374 static int w, h;
375 static int delta_x = 1;
376 static int delta_y = 1;
377
378 SDL_Rect dst;
379 SDL_Surface *screen = SDL_GetVideoSurface();
380
381 if ( global_image == NULL ) {
382 SDL_Surface *temp;
383
384 /* Load the image (could use SDL_image library here) */
385 temp = SDL_LoadBMP(LOGO_FILE);
386 if ( temp == NULL ) {
387 return;
388 }
389 w = temp->w;
390 h = temp->h;
391
392 /* Convert the image into the screen format */
393 global_image = SDL_CreateRGBSurface(
394 SDL_SWSURFACE,
395 w, h,
396 screen->format->BitsPerPixel,
397 screen->format->Rmask,
398 screen->format->Gmask,
399 screen->format->Bmask,
400 screen->format->Amask);
401 if ( global_image ) {
402 SDL_BlitSurface(temp, NULL, global_image, NULL);
403 }
404 SDL_FreeSurface(temp);
405
406 /* Make sure that the texture conversion is okay */
407 if ( ! global_image ) {
408 return;
409 }
410 }
411
412 /* Move the image around
413 Note that we do not clear the old position. This is because we
414 perform a glClear() which clears the framebuffer and then only
415 update the new area.
416 Note that you can also achieve interesting effects by modifying
417 the screen surface alpha channel. It's set to 255 by default..
418 */
419 x += delta_x;
420 if ( x < 0 ) {
421 x = 0;
422 delta_x = -delta_x;
423 } else
424 if ( (x+w) > screen->w ) {
425 x = screen->w-w;
426 delta_x = -delta_x;
427 }
428 y += delta_y;
429 if ( y < 0 ) {
430 y = 0;
431 delta_y = -delta_y;
432 } else
433 if ( (y+h) > screen->h ) {
434 y = screen->h-h;
435 delta_y = -delta_y;
436 }
437 dst.x = x;
438 dst.y = y;
439 dst.w = w;
440 dst.h = h;
441 SDL_BlitSurface(global_image, NULL, screen, &dst);
442
443 /* Show the image on the screen */
444 SDL_UpdateRects(screen, 1, &dst);
445 } 361 }
446 362
447 int RunGLTest( int argc, char* argv[], 363 int RunGLTest( int argc, char* argv[],
448 int logo, int logocursor, int slowly, int bpp, float gamma, int noframe, int fsaa ) 364 int logo, int logocursor, int slowly, int bpp, float gamma, int noframe, int fsaa )
449 { 365 {
486 bpp = 16; /* More doesn't seem to work */ 402 bpp = 16; /* More doesn't seem to work */
487 } 403 }
488 } 404 }
489 405
490 /* Set the flags we want to use for setting the video mode */ 406 /* Set the flags we want to use for setting the video mode */
491 if ( logo && USE_DEPRECATED_OPENGLBLIT ) { 407 video_flags = SDL_OPENGL;
492 video_flags = SDL_OPENGLBLIT;
493 } else {
494 video_flags = SDL_OPENGL;
495 }
496 for ( i=1; argv[i]; ++i ) { 408 for ( i=1; argv[i]; ++i ) {
497 if ( strcmp(argv[i], "-fullscreen") == 0 ) { 409 if ( strcmp(argv[i], "-fullscreen") == 0 ) {
498 video_flags |= SDL_FULLSCREEN; 410 video_flags |= SDL_FULLSCREEN;
499 } 411 }
500 } 412 }
696 glMatrixMode(GL_MODELVIEW); 608 glMatrixMode(GL_MODELVIEW);
697 glRotatef(5.0, 1.0, 1.0, 1.0); 609 glRotatef(5.0, 1.0, 1.0, 1.0);
698 610
699 /* Draw 2D logo onto the 3D display */ 611 /* Draw 2D logo onto the 3D display */
700 if ( logo ) { 612 if ( logo ) {
701 if ( USE_DEPRECATED_OPENGLBLIT ) { 613 DrawLogoTexture();
702 DrawLogoBlit();
703 } else {
704 DrawLogoTexture();
705 }
706 } 614 }
707 if ( logocursor ) { 615 if ( logocursor ) {
708 DrawLogoCursor(); 616 DrawLogoCursor();
709 } 617 }
710 618
778 if ( strcmp(argv[i], "-twice") == 0 ) { 686 if ( strcmp(argv[i], "-twice") == 0 ) {
779 ++numtests; 687 ++numtests;
780 } 688 }
781 if ( strcmp(argv[i], "-logo") == 0 ) { 689 if ( strcmp(argv[i], "-logo") == 0 ) {
782 logo = 1; 690 logo = 1;
783 USE_DEPRECATED_OPENGLBLIT = SDL_FALSE;
784 }
785 if ( strcmp(argv[i], "-logoblit") == 0 ) {
786 logo = 1;
787 USE_DEPRECATED_OPENGLBLIT = SDL_TRUE;
788 } 691 }
789 if ( strcmp(argv[i], "-logocursor") == 0 ) { 692 if ( strcmp(argv[i], "-logocursor") == 0 ) {
790 logocursor = 1; 693 logocursor = 1;
791 } 694 }
792 if ( strcmp(argv[i], "-slow") == 0 ) { 695 if ( strcmp(argv[i], "-slow") == 0 ) {