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Comparing libgender/test.C (file contents):
Revision 1.39 by root, Wed Oct 6 09:41:48 2004 UTC vs.
Revision 1.76 by root, Tue Nov 2 23:26:46 2004 UTC

1#include <stdlib.h> 1#include <stdlib.h>
2#include <stdio.h> 2#include <stdio.h>
3#include <string.h> 3#include <string.h>
4#include <math.h> 4#include <math.h>
5 5
6#include "opengl.h"
7
6#include "SDL.h" 8#include "SDL.h"
7#include "SDL_opengl.h" 9#include "SDL_opengl.h"
8 10
9static SDL_Surface *global_image = NULL; 11static SDL_Surface *global_image = NULL;
10static GLuint global_texture = 0; 12static GLuint global_texture = 0;
11 13
12#include "util.h" 14#include "util.h"
13#include "entity.h" 15#include "entity.h"
14#include "txtprt_import.h" 16#include "txtprt_import.h"
15 17
16CGcontext cgc; 18#include "shader.h"
17CGprogram vsh, fsh;
18CGparameter mv, mvp, lightpos;
19CGprofile vsh_profile, fsh_profile;
20
21static void CheckCgError(void)
22{
23 CGerror err = cgGetError();
24
25 if (err != CG_NO_ERROR)
26 {
27 printf("CG error: %s\n", cgGetErrorString(err));
28 exit(1);
29 }
30}
31 19
32/**********************************************************************/ 20/**********************************************************************/
33 21
34view camera; 22view camera;
35vec3 camera_velocity; 23vec3 camera_velocity;
36float camera_angle = 0, camera_velocity_angle; 24float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
37float camera_velocity_factor = 20; 25float camera_velocity_factor = 80;
38 26
39void 27void
40HotKey_ToggleFullScreen (void) 28HotKey_ToggleFullScreen (void)
41{ 29{
42 SDL_Surface *screen; 30 SDL_Surface *screen;
43 31
44 screen = SDL_GetVideoSurface (); 32 screen = SDL_GetVideoSurface ();
33
45 if (SDL_WM_ToggleFullScreen (screen)) 34 if (SDL_WM_ToggleFullScreen (screen))
46 printf ("Toggled fullscreen mode - now %s\n", 35 printf ("Toggled fullscreen mode - now %s\n",
47 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); 36 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
48 else 37 else
49 printf ("Unable to toggle fullscreen mode\n"); 38 printf ("Unable to toggle fullscreen mode\n");
… …
54{ 43{
55 SDL_GrabMode mode; 44 SDL_GrabMode mode;
56 45
57 printf ("Ctrl-G: toggling input grab!\n"); 46 printf ("Ctrl-G: toggling input grab!\n");
58 mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); 47 mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
48
59 if (mode == SDL_GRAB_ON) 49 if (mode == SDL_GRAB_ON)
60 printf ("Grab was on\n"); 50 printf ("Grab was on\n");
61 else 51 else
62 printf ("Grab was off\n"); 52 printf ("Grab was off\n");
63 53
64 mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON); 54 mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
55
65 if (mode == SDL_GRAB_ON) 56 if (mode == SDL_GRAB_ON)
66 printf ("Grab is now on\n"); 57 printf ("Grab is now on\n");
67 else 58 else
68 printf ("Grab is now off\n"); 59 printf ("Grab is now off\n");
69} 60}
… …
79HandleEvent (SDL_Event * event) 70HandleEvent (SDL_Event * event)
80{ 71{
81 int done; 72 int done;
82 73
83 done = 0; 74 done = 0;
75
84 switch (event->type) 76 switch (event->type)
85 { 77 {
86 case SDL_ACTIVEEVENT: 78 case SDL_ACTIVEEVENT:
87 /* See what happened */ 79 /* See what happened */
88 printf ("app %s ", event->active.gain ? "gained" : "lost"); 80 printf ("app %s ", event->active.gain ? "gained" : "lost");
89 if (event->active.state & SDL_APPACTIVE) 81 if (event->active.state & SDL_APPACTIVE)
90 {
91 printf ("active "); 82 printf ("active ");
92 }
93 else if (event->active.state & SDL_APPMOUSEFOCUS) 83 else if (event->active.state & SDL_APPMOUSEFOCUS)
94 {
95 printf ("mouse "); 84 printf ("mouse ");
96 }
97 else if (event->active.state & SDL_APPINPUTFOCUS) 85 else if (event->active.state & SDL_APPINPUTFOCUS)
98 {
99 printf ("input "); 86 printf ("input ");
100 }
101 87
102 printf ("focus\n"); 88 printf ("focus\n");
103 break; 89 break;
104 90
105 case SDL_KEYDOWN: 91 case SDL_KEYDOWN:
106 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--; 92 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
107 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++; 93 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
108 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
109 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++; 94 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
95 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
96 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
97 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
110 if (event->key.keysym.sym == SDLK_a) camera_velocity.y--; 98 if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
111 if (event->key.keysym.sym == SDLK_s) camera_velocity.y++; 99 if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
112 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5; 100 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
113 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5; 101 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
114 if (event->key.keysym.sym == SDLK_e) camera_velocity_angle++;
115 if (event->key.keysym.sym == SDLK_q) camera_velocity_angle--;
116 102
117 if (event->key.keysym.sym == SDLK_ESCAPE) 103 if (event->key.keysym.sym == SDLK_ESCAPE)
118 done = 1; 104 done = 1;
119 105
120 if ((event->key.keysym.sym == SDLK_g) && 106 if ((event->key.keysym.sym == SDLK_g) &&
… …
132 break; 118 break;
133 119
134 case SDL_KEYUP: 120 case SDL_KEYUP:
135 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++; 121 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
136 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--; 122 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
137 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++; 123 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
138 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--; 124 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
125 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
126 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
139 if (event->key.keysym.sym == SDLK_a) camera_velocity.y++; 127 if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
140 if (event->key.keysym.sym == SDLK_s) camera_velocity.y--; 128 if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
141 if (event->key.keysym.sym == SDLK_e) camera_velocity_angle--;
142 if (event->key.keysym.sym == SDLK_q) camera_velocity_angle++;
143 break; 129 break;
144 130
145 case SDL_QUIT: 131 case SDL_QUIT:
146 done = 1; 132 done = 1;
147 break; 133 break;
148 } 134 }
149 135
150 return (done); 136 return (done);
151} 137}
152 138
139void draw_floor (int size, int dx, int dy, int dz)
140{
141 int x, z, ry;
142
143 for (x = 0; x < 10; x++)
144 {
145 for (z = 0; z < 10; z++)
146 {
147 vector<vertex_t2f_n3f_v3f> pts;
148 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
149 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
150 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
151 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
152
153 geometry_quads *q = new geometry_quads;
154 q->m = new simple_material;
155 q->set (pts);
156 entity *e = new entity (q);
157 e->move (vec3 (dx + x * size, dy, dz + z * size));
158 e->show ();
159 }
160 }
161}
162
163void draw_test_nurb ()
164{
165 geometry_nurbs *q = new geometry_nurbs;
166 q->set ();
167 entity *e = new entity (q);
168 e->move (vec3 (10, 3, -4));
169 e->show ();
170}
171
172void fisch (vec3 center, GLfloat radius, int depth)
173{
174 entity *planet = new entity (new geometry_sphere (radius));
175 planet->move (center);
176 planet->show ();
177
178 if (--depth)
179 {
180 GLfloat r2 = radius * .1F;
181 GLfloat r3 = radius + r2;
182
183 fisch (center + vec3 (r3, 0, 0), r2, depth);
184 fisch (center + vec3 (0, 0, r3), r2, depth);
185 fisch (center + vec3 (-r3, 0, 0), r2, depth);
186 }
187}
188
189extern void draw_level ();
153int 190int
154RunGLTest (int argc, char *argv[], 191RunGLTest (int argc, char *argv[],
155 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 192 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
156{ 193{
157 int i; 194 int i;
158 int rgb_size[3]; 195 int rgb_size[3];
159 int w = 640; 196 int w = 640;
160 int h = 480; 197 int h = 480;
161 int done = 0; 198 int done = 0;
162 int frames; 199 int frames;
163 Uint32 start_time, this_time;
164 Uint32 video_flags; 200 Uint32 video_flags;
165 int value; 201 int value;
202 GLenum gl_error;
166 203
167 if (SDL_Init (SDL_INIT_VIDEO) < 0) 204 if (SDL_Init (SDL_INIT_VIDEO) < 0)
168 { 205 {
169 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 206 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
170 exit (1); 207 exit (1);
… …
212 } 249 }
213 250
214 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 251 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
215 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 252 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
216 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 253 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
217 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 254 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
218 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 255 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
219 256
220 if (fsaa) 257 if (fsaa)
221 { 258 {
222 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); 259 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
… …
228 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); 265 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
229 SDL_Quit (); 266 SDL_Quit ();
230 exit (1); 267 exit (1);
231 } 268 }
232 269
233 printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); 270 //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
234 printf ("\n"); 271 //printf ("\n");
235 printf ("Vendor : %s\n", glGetString (GL_VENDOR)); 272 //printf ("Vendor : %s\n", glGetString (GL_VENDOR));
236 printf ("Renderer : %s\n", glGetString (GL_RENDERER)); 273 //printf ("Renderer : %s\n", glGetString (GL_RENDERER));
237 printf ("Version : %s\n", glGetString (GL_VERSION)); 274 //printf ("Version : %s\n", glGetString (GL_VERSION));
238 printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); 275 //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
239 printf ("\n"); 276 printf ("\n");
240 277
241 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); 278 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
242 printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value); 279 printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
243 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); 280 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
… …
263 300
264 /* Set the gamma for the window */ 301 /* Set the gamma for the window */
265 if (gamma != 0.0) 302 if (gamma != 0.0)
266 SDL_SetGamma (gamma, gamma, gamma); 303 SDL_SetGamma (gamma, gamma, gamma);
267 304
268 // load a entity 305 entity *planet = new entity (new geometry_sphere (10));
306 planet->move (vec3 (0, 0, -20));
307 planet->show ();
308
309 shader::debdebdebdebug ();//D
310
311#if 1
269 for (int i = 0; i < 7; i++) 312 for (int i = 0; i < 20; i++)
270 { 313 {
314 // load a entity
271 txtprt_parser p; 315 txtprt_parser p;
272 entity_transform *f = new entity_transform; 316 geometry *g;
273 entity *e;
274 try 317 try
275 { 318 {
276 e = p.read ("test.blasc"); 319 g = p.read ("test.blasc");
320 }
277 } catch (txtprt_i_exception & e) 321 catch (txtprt_i_exception & e)
278 { 322 {
279 cout << "ERR: " << e.msg << endl; 323 cout << "ERR: " << e.msg << endl;
280 } 324 }
281 f->set (e); 325
282 f->update (matrix::translation (vec3 (0, -1, -i*5))); 326 entity *e = new entity (g);
327 e->move (vec3 (i*5, -3, -i*10));
283 f->show (); 328 e->show ();
329 }
330
284 } 331 {
332 fisch (vec3 (0, 0, -2e9), 1e9, 8);
333 //entity *planet = new entity (new geometry_sphere (1e9));
334 //planet->move (vec3 (0, 0, -1.5e9));
335 //planet->show ();
336 }
285 337
338 {
339 entity *planet = new entity (new geometry_sphere (4e15));
340 planet->move (vec3 (0, 0, 1e17));
341 planet->show ();
342 }
343
344 //draw_floor (10, -500, -10, -1000);
345 draw_level ();
346
347
348 {
349 geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
350 entity *e = new entity (hf);
351 e->move (vec3 (-100000, -100000 * 0.01, -100000));
352 e->show ();
353 }
354
355 //draw_test_nurb ();
356#endif
357
358 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
286 camera.orig.x = camera.orig.y = camera.orig.z = 0; 359 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
287 camera.p = point (0, 0, 10); 360 camera.p = point (0, 0, 10);
288 camera.d = vec3 (0, 0, -1); 361 camera.d = vec3 (0, 0, -1);
289 camera.u = vec3 (0, 1, 0); 362 camera.u = vec3 (0, 1, 0);
290 camera.w = w; camera.h = h; 363 camera.w = w; camera.h = h;
291 camera.fov = 80; 364 camera.fov = 40.;
292 365
293 glMatrixMode (GL_MODELVIEW);
294 glLoadIdentity ();
295
296 //glEnable (GL_CULL_FACE); 366 glEnable (GL_CULL_FACE);
297 glEnable (GL_DEPTH_TEST); 367 glDisable (GL_ALPHA_TEST);
298 glEnable (GL_TEXTURE_2D); //texturing 368 glDisable (GL_BLEND);
299 369
300 glShadeModel (GL_SMOOTH); 370 test_material test_mat;
301
302 glEnable (GL_LIGHTING);
303 //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
304 //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
305 //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
306 glEnable (GL_LIGHT0);
307
308 cgc = cgCreateContext ();
309
310 vsh_profile = CG_PROFILE_ARBVP1;
311 //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
312 //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
313 fsh_profile = CG_PROFILE_ARBFP1;
314 //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
315 //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
316
317 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
318 CheckCgError ();
319 cgGLLoadProgram (vsh);
320 CheckCgError ();
321 mv = cgGetNamedParameter (vsh, "WorldProj");
322 mvp = cgGetNamedParameter (vsh, "WorldViewProj");
323 lightpos = cgGetNamedParameter (vsh, "LightPos");
324 CheckCgError ();
325
326 CGparameter g_Texture; // the texture parameter
327
328
329 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
330 Texture t("o.jpg");
331 g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
332 cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
333 CheckCgError ();
334 cgGLLoadProgram (fsh);
335 CheckCgError ();
336
337 cgGLBindProgram (vsh);
338 CheckCgError ();
339 cgGLBindProgram (fsh);
340 CheckCgError ();
341 371
342 /* Loop until done. */ 372 /* Loop until done. */
343 start_time = SDL_GetTicks ();
344 frames = 0; 373 frames = 0;
345 374
346
347 while (!done) 375 while (!done)
348 { 376 {
349 GLenum gl_error;
350 char *sdl_error; 377 char *sdl_error;
351 SDL_Event event; 378 SDL_Event event;
352 379
353 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
354
355 camera.p.x += camera_velocity_factor * camera_velocity.x * timer.diff;
356 camera.p.y += camera_velocity_factor * camera_velocity.y * timer.diff;
357 camera.p.z += camera_velocity_factor * camera_velocity.z * timer.diff;
358
359 camera_angle += camera_velocity_factor * camera_velocity_angle * timer.diff; 380 camera_angle += 180 * camera_velocity_angle * timer.diff;
360 camera.d.z = -cos (camera_angle * 12 / 180.); 381 camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
361 camera.d.x = sin (camera_angle * 12 / 180.);
362 382
363 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); 383 vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
384 vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
364 385
365 glBindTexture (GL_TEXTURE_2D, t.texture); 386 camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
366 cgGLEnableTextureParameter(g_Texture); // Enable the texture parameter 387 camera.u = cross (camera.d, right);
367 388
368#if 0 389 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
369 static GLfloat ry; 390 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
370 ry += 0.001; 391
371 camera.d.x = cos (ry);
372 camera.d.z = sin (ry);
373 //camera.d.y = sin (ry * 0.1);
374#endif
375 392
376 camera.begin (); 393 camera.begin ();
377 camera.pass (view::DEPTH); 394 camera.render (view::DEPTH, pass_depth);
378 camera.pass (view::LIGHTED); 395 camera.render (view::POSTDEPTH, pass_depth);
396 test_mat.enable (camera);
397 camera.render (view::LIGHTED, pass_depth);
398 test_mat.disable (camera);
379 camera.end (); 399 camera.end ();
380 400
381 SDL_GL_SwapBuffers (); 401 SDL_GL_SwapBuffers ();
382 timer.frame (); 402 timer.frame ();
383 403
404#if 0
384 /* Check for error conditions. */ 405 /* Check for error conditions. */
385 gl_error = glGetError (); 406 gl_error = glGetError ();
386 407
387 if (gl_error != GL_NO_ERROR)
388 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 408 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
389 409
390 sdl_error = SDL_GetError (); 410 sdl_error = SDL_GetError ();
391 411
392 if (sdl_error[0] != '\0') 412 if (sdl_error[0] != '\0')
393 { 413 {
394 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 414 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
395 SDL_ClearError (); 415 SDL_ClearError ();
396 } 416 }
397 417
398 /* Allow the user to see what's happening */ 418 /* Allow the user to see what's happening */
399 //SDL_Delay (20); 419 //SDL_Delay (40);
420#endif
400 421
401 /* Check if there's a pending event. */ 422 /* Check if there's a pending event. */
402 while (SDL_PollEvent (&event)) 423 while (SDL_PollEvent (&event))
403 done = HandleEvent (&event); 424 done = HandleEvent (&event);
404 425
405
406 ++frames; 426 ++frames;
407 }
408
409 /* Print out the frames per second */
410 this_time = SDL_GetTicks ();
411 if (this_time != start_time)
412 {
413 printf ("%2.2f FPS\n",
414 ((float) frames / (this_time - start_time)) * 1000.0);
415 } 427 }
416 428
417 if (global_image) 429 if (global_image)
418 { 430 {
419 SDL_FreeSurface (global_image); 431 SDL_FreeSurface (global_image);
420 global_image = NULL; 432 global_image = NULL;
421 } 433 }
434
422 if (global_texture) 435 if (global_texture)
423 { 436 {
424 glDeleteTextures (1, &global_texture); 437 glDeleteTextures (1, &global_texture);
425 global_texture = 0; 438 global_texture = 0;
426 } 439 }
427 440
428 /* Destroy our GL context, etc. */ 441 /* Destroy our GL context, etc. */
429 SDL_Quit (); 442 SDL_Quit ();
430 return (0); 443 return (0);
431} 444}
432
433int 445int
434main (int argc, char *argv[]) 446main (int argc, char *argv[])
435{ 447{
436 int i, logo; 448 int i, logo;
437 int numtests; 449 int numtests;

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