testgl.c
1
2
3
4
5
6
7
8
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "SDL.h"
#ifdef HAVE_OPENGL
10
#include "SDL_opengl.h"
12
/* Undefine this if you want a flat cube instead of a rainbow cube */
13
14
#define SHADED_CUBE
15
16
17
18
19
20
/* Define this to be the name of the logo image to use with -logo */
#define LOGO_FILE "icon.bmp"
/* The SDL_OPENGLBLIT interface is deprecated.
The code is still available for benchmark purposes though.
*/
22
static SDL_bool USE_DEPRECATED_OPENGLBLIT = SDL_FALSE;
24
25
26
static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;
27
28
/**********************************************************************/
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
void HotKey_ToggleFullScreen(void)
{
SDL_Surface *screen;
screen = SDL_GetVideoSurface();
if ( SDL_WM_ToggleFullScreen(screen) ) {
printf("Toggled fullscreen mode - now %s\n",
(screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
} else {
printf("Unable to toggle fullscreen mode\n");
}
}
void HotKey_ToggleGrab(void)
{
SDL_GrabMode mode;
printf("Ctrl-G: toggling input grab!\n");
mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
if ( mode == SDL_GRAB_ON ) {
printf("Grab was on\n");
} else {
printf("Grab was off\n");
}
mode = SDL_WM_GrabInput(!mode);
if ( mode == SDL_GRAB_ON ) {
printf("Grab is now on\n");
} else {
printf("Grab is now off\n");
}
}
void HotKey_Iconify(void)
{
printf("Ctrl-Z: iconifying window!\n");
SDL_WM_IconifyWindow();
}
int HandleEvent(SDL_Event *event)
{
int done;
done = 0;
switch( event->type ) {
case SDL_ACTIVEEVENT:
/* See what happened */
printf( "app %s ", event->active.gain ? "gained" : "lost" );
if ( event->active.state & SDL_APPACTIVE ) {
printf( "active " );
} else if ( event->active.state & SDL_APPMOUSEFOCUS ) {
printf( "mouse " );
} else if ( event->active.state & SDL_APPINPUTFOCUS ) {
printf( "input " );
}
printf( "focus\n" );
break;
case SDL_KEYDOWN:
if ( event->key.keysym.sym == SDLK_ESCAPE ) {
done = 1;
}
if ( (event->key.keysym.sym == SDLK_g) &&
(event->key.keysym.mod & KMOD_CTRL) ) {
HotKey_ToggleGrab();
}
if ( (event->key.keysym.sym == SDLK_z) &&
(event->key.keysym.mod & KMOD_CTRL) ) {
HotKey_Iconify();
}
if ( (event->key.keysym.sym == SDLK_RETURN) &&
(event->key.keysym.mod & KMOD_ALT) ) {
HotKey_ToggleFullScreen();
}
printf("key '%s' pressed\n",
SDL_GetKeyName(event->key.keysym.sym));
break;
case SDL_QUIT:
done = 1;
break;
}
return(done);
}
113
114
115
116
117
118
119
120
121
122
123
124
void SDL_GL_Enter2DMode()
{
SDL_Surface *screen = SDL_GetVideoSurface();
/* Note, there may be other things you need to change,
depending on how you have your OpenGL state set up.
*/
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D);
125
126
127
128
/* This allows alpha blending of 2D textures with the scene */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
glViewport(0, 0, screen->w, screen->h);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0, (GLdouble)screen->w, (GLdouble)screen->h, 0.0, 0.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
}
void SDL_GL_Leave2DMode()
{
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
}
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/* Quick utility function for texture creation */
static int power_of_two(int input)
{
int value = 1;
while ( value < input ) {
value <<= 1;
}
return value;
}
GLuint SDL_GL_LoadTexture(SDL_Surface *surface, GLfloat *texcoord)
{
GLuint texture;
int w, h;
SDL_Surface *image;
SDL_Rect area;
Uint32 saved_flags;
Uint8 saved_alpha;
/* Use the surface width and height expanded to powers of 2 */
w = power_of_two(surface->w);
h = power_of_two(surface->h);
texcoord[0] = 0.0f; /* Min X */
texcoord[1] = 0.0f; /* Min Y */
texcoord[2] = (GLfloat)surface->w / w; /* Max X */
texcoord[3] = (GLfloat)surface->h / h; /* Max Y */
image = SDL_CreateRGBSurface(
SDL_SWSURFACE,
w, h,
32,
#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
0x000000FF,
0x0000FF00,
0x00FF0000,
0xFF000000
#else
0xFF000000,
0x00FF0000,
0x0000FF00,
0x000000FF
#endif
);
if ( image == NULL ) {
return 0;
}
/* Save the alpha blending attributes */
saved_flags = surface->flags&(SDL_SRCALPHA|SDL_RLEACCELOK);
saved_alpha = surface->format->alpha;
if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
SDL_SetAlpha(surface, 0, 0);
}
/* Copy the surface into the GL texture image */
area.x = 0;
area.y = 0;
area.w = surface->w;
area.h = surface->h;
SDL_BlitSurface(surface, &area, image, &area);
/* Restore the alpha blending attributes */
if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
SDL_SetAlpha(surface, saved_flags, saved_alpha);
}
/* Create an OpenGL texture for the image */
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
w, h,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
image->pixels);
SDL_FreeSurface(image); /* No longer needed */
return texture;
}
241
242
243
244
245
246
247
248
249
250
251
252
253
void DrawLogoTexture(void)
{
static GLfloat texMinX, texMinY;
static GLfloat texMaxX, texMaxY;
static int x = 0;
static int y = 0;
static int w, h;
static int delta_x = 1;
static int delta_y = 1;
static Uint32 last_moved = 0;
SDL_Surface *screen = SDL_GetVideoSurface();
254
if ( ! global_texture ) {
255
256
257
258
259
260
261
262
263
264
265
266
SDL_Surface *image;
GLfloat texcoord[4];
/* Load the image (could use SDL_image library here) */
image = SDL_LoadBMP(LOGO_FILE);
if ( image == NULL ) {
return;
}
w = image->w;
h = image->h;
/* Convert the image into an OpenGL texture */
267
global_texture = SDL_GL_LoadTexture(image, texcoord);
268
269
270
271
272
273
274
275
276
277
278
/* Make texture coordinates easy to understand */
texMinX = texcoord[0];
texMinY = texcoord[1];
texMaxX = texcoord[2];
texMaxY = texcoord[3];
/* We don't need the original image anymore */
SDL_FreeSurface(image);
/* Make sure that the texture conversion is okay */
279
if ( ! global_texture ) {
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
return;
}
}
/* Move the image around */
x += delta_x;
if ( x < 0 ) {
x = 0;
delta_x = -delta_x;
} else
if ( (x+w) > screen->w ) {
x = screen->w-w;
delta_x = -delta_x;
}
y += delta_y;
if ( y < 0 ) {
y = 0;
delta_y = -delta_y;
} else
if ( (y+h) > screen->h ) {
y = screen->h-h;
delta_y = -delta_y;
}
/* Show the image on the screen */
SDL_GL_Enter2DMode();
306
glBindTexture(GL_TEXTURE_2D, global_texture);
307
308
309
310
311
312
313
314
315
316
317
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(texMinX, texMinY); glVertex2i(x, y );
glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y );
glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h);
glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
glEnd();
SDL_GL_Leave2DMode();
}
/* This code is deprecated, but available for speed comparisons */
void DrawLogoBlit(void)
318
319
320
{
static int x = 0;
static int y = 0;
321
static int w, h;
322
323
324
325
326
static int delta_x = 1;
static int delta_y = 1;
static Uint32 last_moved = 0;
SDL_Rect dst;
327
SDL_Surface *screen = SDL_GetVideoSurface();
329
if ( global_image == NULL ) {
330
331
SDL_Surface *temp;
332
333
/* Load the image (could use SDL_image library here) */
temp = SDL_LoadBMP(LOGO_FILE);
334
335
336
if ( temp == NULL ) {
return;
}
337
338
339
340
w = temp->w;
h = temp->h;
/* Convert the image into the screen format */
341
global_image = SDL_CreateRGBSurface(
342
SDL_SWSURFACE,
343
344
345
346
347
348
w, h,
screen->format->BitsPerPixel,
screen->format->Rmask,
screen->format->Gmask,
screen->format->Bmask,
screen->format->Amask);
349
350
if ( global_image ) {
SDL_BlitSurface(temp, NULL, global_image, NULL);
351
352
}
SDL_FreeSurface(temp);
354
/* Make sure that the texture conversion is okay */
355
if ( ! global_image ) {
358
359
}
360
/* Move the image around
361
362
363
364
365
366
Note that we do not clear the old position. This is because we
perform a glClear() which clears the framebuffer and then only
update the new area.
Note that you can also achieve interesting effects by modifying
the screen surface alpha channel. It's set to 255 by default..
*/
367
368
369
370
371
372
373
374
x += delta_x;
if ( x < 0 ) {
x = 0;
delta_x = -delta_x;
} else
if ( (x+w) > screen->w ) {
x = screen->w-w;
delta_x = -delta_x;
376
377
378
379
380
381
382
383
y += delta_y;
if ( y < 0 ) {
y = 0;
delta_y = -delta_y;
} else
if ( (y+h) > screen->h ) {
y = screen->h-h;
delta_y = -delta_y;
384
}
385
386
387
388
dst.x = x;
dst.y = y;
dst.w = w;
dst.h = h;
389
SDL_BlitSurface(global_image, NULL, screen, &dst);
390
391
392
/* Show the image on the screen */
SDL_UpdateRects(screen, 1, &dst);
393
394
395
}
int RunGLTest( int argc, char* argv[],
396
int logo, int slowly, int bpp, float gamma, int noframe, int fsaa )
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
{
int i;
int rgb_size[3];
int w = 640;
int h = 480;
int done = 0;
int frames;
Uint32 start_time, this_time;
float color[8][3]= {{ 1.0, 1.0, 0.0},
{ 1.0, 0.0, 0.0},
{ 0.0, 0.0, 0.0},
{ 0.0, 1.0, 0.0},
{ 0.0, 1.0, 1.0},
{ 1.0, 1.0, 1.0},
{ 1.0, 0.0, 1.0},
{ 0.0, 0.0, 1.0}};
float cube[8][3]= {{ 0.5, 0.5, -0.5},
{ 0.5, -0.5, -0.5},
{-0.5, -0.5, -0.5},
{-0.5, 0.5, -0.5},
{-0.5, 0.5, 0.5},
{ 0.5, 0.5, 0.5},
{ 0.5, -0.5, 0.5},
{-0.5, -0.5, 0.5}};
Uint32 video_flags;
int value;
if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) {
fprintf(stderr,"Couldn't initialize SDL: %s\n",SDL_GetError());
exit( 1 );
}
/* See if we should detect the display depth */
if ( bpp == 0 ) {
if ( SDL_GetVideoInfo()->vfmt->BitsPerPixel <= 8 ) {
bpp = 8;
} else {
bpp = 16; /* More doesn't seem to work */
}
}
/* Set the flags we want to use for setting the video mode */
439
if ( logo && USE_DEPRECATED_OPENGLBLIT ) {
440
441
442
443
444
445
446
447
448
449
video_flags = SDL_OPENGLBLIT;
} else {
video_flags = SDL_OPENGL;
}
for ( i=1; argv[i]; ++i ) {
if ( strcmp(argv[1], "-fullscreen") == 0 ) {
video_flags |= SDL_FULLSCREEN;
}
}
450
451
452
453
if (noframe) {
video_flags |= SDL_NOFRAME;
}
454
455
456
/* Initialize the display */
switch (bpp) {
case 8:
457
rgb_size[0] = 3;
458
rgb_size[1] = 3;
459
rgb_size[2] = 2;
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
break;
case 15:
case 16:
rgb_size[0] = 5;
rgb_size[1] = 5;
rgb_size[2] = 5;
break;
default:
rgb_size[0] = 8;
rgb_size[1] = 8;
rgb_size[2] = 8;
break;
}
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, rgb_size[0] );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, rgb_size[1] );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, rgb_size[2] );
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
478
if ( fsaa ) {
479
480
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, fsaa );
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
if ( SDL_SetVideoMode( w, h, bpp, video_flags ) == NULL ) {
fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
SDL_Quit();
exit(1);
}
printf("Screen BPP: %d\n", SDL_GetVideoSurface()->format->BitsPerPixel);
printf("\n");
printf( "Vendor : %s\n", glGetString( GL_VENDOR ) );
printf( "Renderer : %s\n", glGetString( GL_RENDERER ) );
printf( "Version : %s\n", glGetString( GL_VERSION ) );
printf( "Extensions : %s\n", glGetString( GL_EXTENSIONS ) );
printf("\n");
SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &value );
printf( "SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0],value);
SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &value );
printf( "SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1],value);
SDL_GL_GetAttribute( SDL_GL_BLUE_SIZE, &value );
printf( "SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2],value);
SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &value );
printf( "SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value );
SDL_GL_GetAttribute( SDL_GL_DOUBLEBUFFER, &value );
printf( "SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value );
506
if ( fsaa ) {
507
508
509
510
SDL_GL_GetAttribute( SDL_GL_MULTISAMPLEBUFFERS, &value );
printf( "SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value );
SDL_GL_GetAttribute( SDL_GL_MULTISAMPLESAMPLES, &value );
printf( "SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value );
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
/* Set the window manager title bar */
SDL_WM_SetCaption( "SDL GL test", "testgl" );
/* Set the gamma for the window */
if ( gamma != 0.0 ) {
SDL_SetGamma(gamma, gamma, gamma);
}
glViewport( 0, 0, w, h );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
glOrtho( -2.0, 2.0, -2.0, 2.0, -20.0, 20.0 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_SMOOTH);
/* Loop until done. */
start_time = SDL_GetTicks();
frames = 0;
while( !done ) {
GLenum gl_error;
char* sdl_error;
SDL_Event event;
/* Do our drawing, too. */
glClearColor( 0.0, 0.0, 0.0, 1.0 );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBegin( GL_QUADS );
#ifdef SHADED_CUBE
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[5]);
glVertex3fv(cube[5]);
glColor3fv(color[0]);
glVertex3fv(cube[0]);
glColor3fv(color[3]);
glVertex3fv(cube[3]);
glColor3fv(color[4]);
glVertex3fv(cube[4]);
glColor3fv(color[6]);
glVertex3fv(cube[6]);
glColor3fv(color[1]);
glVertex3fv(cube[1]);
glColor3fv(color[2]);
glVertex3fv(cube[2]);
glColor3fv(color[7]);
glVertex3fv(cube[7]);
#else // flat cube
glColor3f(1.0, 0.0, 0.0);
glVertex3fv(cube[0]);
glVertex3fv(cube[1]);
glVertex3fv(cube[2]);
glVertex3fv(cube[3]);
glColor3f(0.0, 1.0, 0.0);
glVertex3fv(cube[3]);
glVertex3fv(cube[4]);
glVertex3fv(cube[7]);
glVertex3fv(cube[2]);
glColor3f(0.0, 0.0, 1.0);
glVertex3fv(cube[0]);
glVertex3fv(cube[5]);
glVertex3fv(cube[6]);
glVertex3fv(cube[1]);
glColor3f(0.0, 1.0, 1.0);
glVertex3fv(cube[5]);
glVertex3fv(cube[4]);
glVertex3fv(cube[7]);
glVertex3fv(cube[6]);
glColor3f(1.0, 1.0, 0.0);
glVertex3fv(cube[5]);
glVertex3fv(cube[0]);
glVertex3fv(cube[3]);
glVertex3fv(cube[4]);
glColor3f(1.0, 0.0, 1.0);
glVertex3fv(cube[6]);
glVertex3fv(cube[1]);
glVertex3fv(cube[2]);
glVertex3fv(cube[7]);
#endif /* SHADED_CUBE */
glEnd( );
glMatrixMode(GL_MODELVIEW);
glRotatef(5.0, 1.0, 1.0, 1.0);
/* Draw 2D logo onto the 3D display */
if ( logo ) {
649
650
651
652
653
if ( USE_DEPRECATED_OPENGLBLIT ) {
DrawLogoBlit();
} else {
DrawLogoTexture();
}
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
}
SDL_GL_SwapBuffers( );
/* Check for error conditions. */
gl_error = glGetError( );
if( gl_error != GL_NO_ERROR ) {
fprintf( stderr, "testgl: OpenGL error: %d\n", gl_error );
}
sdl_error = SDL_GetError( );
if( sdl_error[0] != '\0' ) {
fprintf(stderr, "testgl: SDL error '%s'\n", sdl_error);
SDL_ClearError();
}
/* Allow the user to see what's happening */
if ( slowly ) {
SDL_Delay( 20 );
}
/* Check if there's a pending event. */
while( SDL_PollEvent( &event ) ) {
done = HandleEvent(&event);
}
++frames;
}
/* Print out the frames per second */
this_time = SDL_GetTicks();
if ( this_time != start_time ) {
printf("%2.2f FPS\n",
((float)frames/(this_time-start_time))*1000.0);
}
691
692
693
694
695
696
697
698
699
if ( global_image ) {
SDL_FreeSurface(global_image);
global_image = NULL;
}
if ( global_texture ) {
glDeleteTextures( 1, &global_texture );
global_texture = 0;
}
700
701
702
703
704
705
706
707
708
709
710
711
/* Destroy our GL context, etc. */
SDL_Quit( );
return(0);
}
int main(int argc, char *argv[])
{
int i, logo;
int numtests;
int bpp = 0;
int slowly;
float gamma = 0.0;
712
int noframe = 0;
713
int fsaa = 0;
714
715
716
717
718
719
720
721
722
723
logo = 0;
slowly = 0;
numtests = 1;
for ( i=1; argv[i]; ++i ) {
if ( strcmp(argv[i], "-twice") == 0 ) {
++numtests;
}
if ( strcmp(argv[i], "-logo") == 0 ) {
logo = 1;
724
725
726
727
728
USE_DEPRECATED_OPENGLBLIT = SDL_FALSE;
}
if ( strcmp(argv[i], "-logoblit") == 0 ) {
logo = 1;
USE_DEPRECATED_OPENGLBLIT = SDL_TRUE;
729
730
731
732
733
734
735
736
737
738
}
if ( strcmp(argv[i], "-slow") == 0 ) {
slowly = 1;
}
if ( strcmp(argv[i], "-bpp") == 0 ) {
bpp = atoi(argv[++i]);
}
if ( strcmp(argv[i], "-gamma") == 0 ) {
gamma = (float)atof(argv[++i]);
}
739
740
741
if ( strcmp(argv[i], "-noframe") == 0 ) {
noframe = 1;
}
742
743
744
if ( strcmp(argv[i], "-fsaa") == 0 ) {
++fsaa;
}
745
746
if ( strncmp(argv[i], "-h", 2) == 0 ) {
printf(
747
"Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
748
749
750
751
752
argv[0]);
exit(0);
}
}
for ( i=0; i<numtests; ++i ) {
753
RunGLTest(argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
754
755
756
757
758
759
760
761
762
763
764
765
766
}
return 0;
}
#else /* HAVE_OPENGL */
int main(int argc, char *argv[])
{
printf("No OpenGL support on this system\n");
return 1;
}
#endif /* HAVE_OPENGL */