This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
testgl.c
1
2
3
4
5
6
7
8
9
10
11
/*
Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
12
13
14
15
16
17
18
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "SDL.h"
19
20
21
22
#ifdef __MACOS__
#define HAVE_OPENGL
#endif
23
#ifdef HAVE_OPENGL
25
#include "SDL_opengl.h"
27
/* Undefine this if you want a flat cube instead of a rainbow cube */
28
29
#define SHADED_CUBE
30
31
32
/* Define this to be the name of the logo image to use with -logo */
#define LOGO_FILE "icon.bmp"
33
34
static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;
35
static GLuint cursor_texture = 0;
37
38
/**********************************************************************/
39
40
void
HotKey_ToggleFullScreen(void)
42
43
44
45
46
47
48
49
50
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");
}
51
52
}
53
54
void
HotKey_ToggleGrab(void)
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
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");
}
71
72
}
73
74
void
HotKey_Iconify(void)
76
77
printf("Ctrl-Z: iconifying window!\n");
SDL_WM_IconifyWindow();
78
79
}
80
81
int
HandleEvent(SDL_Event * event)
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
113
114
115
116
117
118
119
120
121
122
123
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);
124
125
}
126
127
void
SDL_GL_Enter2DMode()
129
SDL_Surface *screen = SDL_GetVideoSurface();
131
132
133
134
135
136
137
/* 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);
139
140
141
/* This allows alpha blending of 2D textures with the scene */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
143
glViewport(0, 0, screen->w, screen->h);
145
146
147
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
149
glOrtho(0.0, (GLdouble) screen->w, (GLdouble) screen->h, 0.0, 0.0, 1.0);
151
152
153
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
155
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
158
159
void
SDL_GL_Leave2DMode()
161
162
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
164
165
glMatrixMode(GL_PROJECTION);
glPopMatrix();
167
glPopAttrib();
170
/* Quick utility function for texture creation */
171
172
static int
power_of_two(int input)
174
int value = 1;
176
177
178
179
while (value < input) {
value <<= 1;
}
return value;
182
183
GLuint
SDL_GL_LoadTexture(SDL_Surface * surface, GLfloat * texcoord)
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
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
205
206
0xFF000000,
0x00FF0000, 0x0000FF00, 0x000000FF
208
209
210
211
212
213
214
);
if (image == NULL) {
return 0;
}
/* Save the alpha blending attributes */
saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
215
SDL_GetSurfaceAlphaMod(surface, &saved_alpha);
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
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;
245
246
void
DrawLogoCursor(void)
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
static GLfloat texMinX, texMinY;
static GLfloat texMaxX, texMaxY;
static int w, h;
int x, y;
if (!cursor_texture) {
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;
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
/* Convert the image into an OpenGL texture */
cursor_texture = SDL_GL_LoadTexture(image, texcoord);
/* 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 */
if (!cursor_texture) {
return;
}
}
/* Move the image around */
284
SDL_GetMouseState(&x, &y);
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
x -= w / 2;
y -= h / 2;
/* Show the image on the screen */
SDL_GL_Enter2DMode();
glBindTexture(GL_TEXTURE_2D, cursor_texture);
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();
304
305
void
DrawLogoTexture(void)
306
{
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
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;
SDL_Surface *screen = SDL_GetVideoSurface();
if (!global_texture) {
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 */
global_texture = SDL_GL_LoadTexture(image, texcoord);
/* 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 */
if (!global_texture) {
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();
glBindTexture(GL_TEXTURE_2D, global_texture);
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();
379
380
}
381
382
383
int
RunGLTest(int argc, char *argv[],
int logo, int logocursor, int slowly, int bpp, float gamma,
384
int noframe, int fsaa, int sync, int accel)
385
{
386
387
388
389
390
391
392
393
394
395
396
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
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 */
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
/* Set the flags we want to use for setting the video mode */
video_flags = SDL_OPENGL;
for (i = 1; argv[i]; ++i) {
if (strcmp(argv[i], "-fullscreen") == 0) {
video_flags |= SDL_FULLSCREEN;
}
}
if (noframe) {
video_flags |= SDL_NOFRAME;
}
/* Initialize the display */
switch (bpp) {
case 8:
rgb_size[0] = 3;
rgb_size[1] = 3;
rgb_size[2] = 2;
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);
if (fsaa) {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa);
}
468
469
470
if (accel >= 0) {
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, accel);
}
471
472
473
474
475
if (SDL_SetVideoMode(w, h, bpp, video_flags) == NULL) {
fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
SDL_Quit();
exit(1);
}
476
477
478
479
480
if (sync) {
SDL_GL_SetSwapInterval(1);
} else {
SDL_GL_SetSwapInterval(0);
}
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
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);
if (fsaa) {
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);
}
507
508
509
510
511
if (accel >= 0) {
SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
printf("SDL_GL_ACCELERATED_VISUAL: requested %d, got %d\n", accel,
value);
}
513
514
printf("Buffer swap interval: requested 1, got %d\n",
SDL_GL_GetSwapInterval());
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
}
/* 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);
553
554
#ifdef SHADED_CUBE
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
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]);
608
#else /* flat cube */
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
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]);
644
645
#endif /* SHADED_CUBE */
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
glEnd();
glMatrixMode(GL_MODELVIEW);
glRotatef(5.0, 1.0, 1.0, 1.0);
/* Draw 2D logo onto the 3D display */
if (logo) {
DrawLogoTexture();
}
if (logocursor) {
DrawLogoCursor();
}
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);
}
668
sdl_error = (char *)SDL_GetError();
669
670
671
672
673
674
675
676
677
678
679
680
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. */
681
682
while (SDL_PollEvent(&event)) {
done |= HandleEvent(&event);
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
}
++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);
}
if (global_image) {
SDL_FreeSurface(global_image);
global_image = NULL;
}
if (global_texture) {
glDeleteTextures(1, &global_texture);
global_texture = 0;
}
if (cursor_texture) {
glDeleteTextures(1, &cursor_texture);
cursor_texture = 0;
}
/* Destroy our GL context, etc. */
SDL_Quit();
return (0);
710
711
}
712
713
int
main(int argc, char *argv[])
714
{
715
716
717
718
719
720
721
int i, logo, logocursor = 0;
int numtests;
int bpp = 0;
int slowly;
float gamma = 0.0;
int noframe = 0;
int fsaa = 0;
722
int accel = -1;
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
int sync = 0;
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;
}
if (strcmp(argv[i], "-logocursor") == 0) {
logocursor = 1;
}
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]);
}
if (strcmp(argv[i], "-noframe") == 0) {
noframe = 1;
}
if (strcmp(argv[i], "-fsaa") == 0) {
++fsaa;
}
753
754
if (strcmp(argv[i], "-accel") == 0) {
accel = atoi(argv[++i]);
755
756
757
758
759
760
}
if (strcmp(argv[i], "-sync") == 0) {
++sync;
}
if (strncmp(argv[i], "-h", 2) == 0) {
printf
761
("Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-accel n] [-sync] [-fullscreen]\n",
762
763
764
765
766
767
argv[0]);
exit(0);
}
}
for (i = 0; i < numtests; ++i) {
RunGLTest(argc, argv, logo, logocursor, slowly, bpp, gamma,
768
noframe, fsaa, sync, accel);
769
770
}
return 0;
771
772
773
774
}
#else /* HAVE_OPENGL */
775
776
int
main(int argc, char *argv[])
777
{
778
779
printf("No OpenGL support on this system\n");
return 1;
780
781
782
}
#endif /* HAVE_OPENGL */