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/cvs/cvsroot/libgender/test.C
Revision: 1.50
Committed: Sat Oct 9 11:56:50 2004 UTC (22 years ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.49: +12 -18 lines
Log Message:
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File Contents

# User Rev Content
1 root 1.1 #include <stdlib.h>
2     #include <stdio.h>
3     #include <string.h>
4     #include <math.h>
5    
6     #include "SDL.h"
7     #include "SDL_opengl.h"
8    
9     static SDL_Surface *global_image = NULL;
10     static GLuint global_texture = 0;
11    
12 root 1.29 #include "util.h"
13 root 1.2 #include "entity.h"
14 root 1.29 #include "txtprt_import.h"
15    
16     CGcontext cgc;
17     CGprogram vsh, fsh;
18 root 1.30 CGparameter mv, mvp, lightpos;
19 root 1.35 CGprofile vsh_profile, fsh_profile;
20 root 1.29
21 root 1.46 static void CheckCgError (void)
22 root 1.29 {
23 root 1.46 CGerror err = cgGetError ();
24 root 1.2
25 root 1.29 if (err != CG_NO_ERROR)
26 root 1.46 {
27     printf("CG error: %s\n", cgGetErrorString (err));
28     exit(1);
29     }
30 root 1.29 }
31 root 1.4
32 root 1.1 /**********************************************************************/
33    
34 root 1.6 view camera;
35 root 1.18 vec3 camera_velocity;
36 root 1.38 float camera_angle = 0, camera_velocity_angle;
37 root 1.50 float camera_velocity_factor = 80;
38 root 1.6
39 root 1.1 void
40     HotKey_ToggleFullScreen (void)
41     {
42     SDL_Surface *screen;
43    
44     screen = SDL_GetVideoSurface ();
45     if (SDL_WM_ToggleFullScreen (screen))
46 root 1.5 printf ("Toggled fullscreen mode - now %s\n",
47     (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
48 root 1.1 else
49 root 1.5 printf ("Unable to toggle fullscreen mode\n");
50 root 1.1 }
51    
52     void
53     HotKey_ToggleGrab (void)
54     {
55     SDL_GrabMode mode;
56    
57     printf ("Ctrl-G: toggling input grab!\n");
58     mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
59     if (mode == SDL_GRAB_ON)
60 root 1.5 printf ("Grab was on\n");
61 root 1.1 else
62 root 1.5 printf ("Grab was off\n");
63 root 1.1
64     mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
65     if (mode == SDL_GRAB_ON)
66 root 1.5 printf ("Grab is now on\n");
67 root 1.1 else
68 root 1.5 printf ("Grab is now off\n");
69 root 1.1 }
70    
71     void
72     HotKey_Iconify (void)
73     {
74     printf ("Ctrl-Z: iconifying window!\n");
75     SDL_WM_IconifyWindow ();
76     }
77    
78     int
79     HandleEvent (SDL_Event * event)
80     {
81     int done;
82    
83     done = 0;
84     switch (event->type)
85     {
86     case SDL_ACTIVEEVENT:
87     /* See what happened */
88     printf ("app %s ", event->active.gain ? "gained" : "lost");
89     if (event->active.state & SDL_APPACTIVE)
90     {
91     printf ("active ");
92     }
93     else if (event->active.state & SDL_APPMOUSEFOCUS)
94     {
95     printf ("mouse ");
96     }
97     else if (event->active.state & SDL_APPINPUTFOCUS)
98     {
99     printf ("input ");
100     }
101    
102     printf ("focus\n");
103     break;
104    
105     case SDL_KEYDOWN:
106 root 1.19 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
107     if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
108 root 1.50 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
109     if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
110     if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
111     if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
112 root 1.19 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;
114 root 1.6
115 root 1.1 if (event->key.keysym.sym == SDLK_ESCAPE)
116 root 1.6 done = 1;
117 root 1.1
118     if ((event->key.keysym.sym == SDLK_g) &&
119     (event->key.keysym.mod & KMOD_CTRL))
120 root 1.6 HotKey_ToggleGrab ();
121 root 1.1
122     if ((event->key.keysym.sym == SDLK_z) &&
123     (event->key.keysym.mod & KMOD_CTRL))
124 root 1.6 HotKey_Iconify ();
125 root 1.1
126     if ((event->key.keysym.sym == SDLK_RETURN) &&
127     (event->key.keysym.mod & KMOD_ALT))
128 root 1.6 HotKey_ToggleFullScreen ();
129 root 1.1
130     break;
131    
132 root 1.18 case SDL_KEYUP:
133 root 1.19 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
134     if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
135 root 1.50 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
136     if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
137     if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
138     if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
139 root 1.18 break;
140    
141 root 1.1 case SDL_QUIT:
142     done = 1;
143     break;
144     }
145    
146     return (done);
147     }
148    
149 root 1.47 void draw_floor (int size, int dx, int dy, int dz)
150     {
151     int x, z, ry;
152    
153     for (x = 0; x < 100; x++)
154     {
155     for (z = 0; z < 100; z++)
156     {
157     vector<vertex2d> pts;
158     pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0)));
159     pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1)));
160     pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1)));
161     pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0)));
162    
163     geometry_quads *q = new geometry_quads;
164     q->set (pts);
165     entity *e = new entity (q);
166     e->move (vec3 (dx + x * size, dy, dz + z * size));
167     e->show ();
168     }
169     }
170     }
171    
172 root 1.49 void draw_test_nurb () {
173     geometry_nurbs *q = new geometry_nurbs;
174     q->set ();
175     entity *e = new entity (q);
176     e->move (vec3 (10, 3, -4));
177     e->show ();
178     }
179    
180 root 1.1 int
181     RunGLTest (int argc, char *argv[],
182     int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
183     {
184     int i;
185     int rgb_size[3];
186     int w = 640;
187     int h = 480;
188     int done = 0;
189     int frames;
190     Uint32 start_time, this_time;
191 root 1.2 Uint32 video_flags;
192 root 1.1 int value;
193 root 1.45 GLenum gl_error;
194 root 1.1
195     if (SDL_Init (SDL_INIT_VIDEO) < 0)
196     {
197     fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
198     exit (1);
199     }
200    
201     /* See if we should detect the display depth */
202     if (bpp == 0)
203     {
204     if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
205 root 1.3 bpp = 8;
206 root 1.1 else
207 root 1.3 bpp = 16; /* More doesn't seem to work */
208 root 1.1 }
209    
210 root 1.2 video_flags = SDL_OPENGL;
211    
212 root 1.1 for (i = 1; argv[i]; ++i)
213 root 1.3 if (strcmp (argv[1], "-fullscreen") == 0)
214     video_flags |= SDL_FULLSCREEN;
215 root 1.1
216     if (noframe)
217 root 1.3 video_flags |= SDL_NOFRAME;
218 root 1.1
219     /* Initialize the display */
220     switch (bpp)
221     {
222     case 8:
223     rgb_size[0] = 3;
224     rgb_size[1] = 3;
225     rgb_size[2] = 2;
226     break;
227 root 1.3
228 root 1.1 case 15:
229     case 16:
230     rgb_size[0] = 5;
231     rgb_size[1] = 5;
232     rgb_size[2] = 5;
233     break;
234 root 1.3
235 root 1.1 default:
236     rgb_size[0] = 8;
237     rgb_size[1] = 8;
238     rgb_size[2] = 8;
239     break;
240     }
241 root 1.18
242 root 1.1 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
243     SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
244     SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
245     SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
246     SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
247 root 1.3
248 root 1.1 if (fsaa)
249     {
250     SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
251     SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
252     }
253 root 1.3
254 root 1.1 if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
255     {
256     fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
257     SDL_Quit ();
258     exit (1);
259     }
260    
261     printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
262     printf ("\n");
263     printf ("Vendor : %s\n", glGetString (GL_VENDOR));
264     printf ("Renderer : %s\n", glGetString (GL_RENDERER));
265     printf ("Version : %s\n", glGetString (GL_VERSION));
266     printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
267     printf ("\n");
268    
269     SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
270     printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
271     SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
272     printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
273     SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
274     printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
275     SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
276     printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
277     SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
278     printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
279 root 1.3
280 root 1.1 if (fsaa)
281     {
282     SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
283     printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
284     SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
285     printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
286     value);
287     }
288    
289     /* Set the window manager title bar */
290 root 1.12 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
291 root 1.1
292     /* Set the gamma for the window */
293     if (gamma != 0.0)
294 root 1.3 SDL_SetGamma (gamma, gamma, gamma);
295 root 1.1
296 root 1.49 for (int i = 0; i < 1; i++)
297 root 1.17 {
298 root 1.40 // load a entity
299 root 1.17 txtprt_parser p;
300 root 1.47 geometry *g;
301 root 1.17 try
302 root 1.40 {
303 root 1.47 g = p.read ("test.blasc");
304 root 1.40 }
305     catch (txtprt_i_exception & e)
306     {
307     cout << "ERR: " << e.msg << endl;
308     }
309    
310 root 1.47 entity *e = new entity (g);
311     e->move (vec3 (i*5, -3, -i*10));
312     e->show ();
313 root 1.17 }
314 root 1.47
315     draw_floor (10, -500, -10, -1000);
316 root 1.49 draw_test_nurb ();
317 root 1.47
318 root 1.13 camera.orig.x = camera.orig.y = camera.orig.z = 0;
319 root 1.6 camera.p = point (0, 0, 10);
320     camera.d = vec3 (0, 0, -1);
321     camera.u = vec3 (0, 1, 0);
322     camera.w = w; camera.h = h;
323 root 1.46 camera.fov = 35;
324 root 1.1
325     glMatrixMode (GL_MODELVIEW);
326     glLoadIdentity ();
327    
328 root 1.41 glEnable (GL_CULL_FACE);
329 root 1.1 glEnable (GL_DEPTH_TEST);
330 root 1.22
331 root 1.11 glShadeModel (GL_SMOOTH);
332 root 1.6
333 root 1.3 glEnable (GL_LIGHTING);
334 root 1.6 glEnable (GL_LIGHT0);
335 root 1.29
336     cgc = cgCreateContext ();
337 root 1.35
338     vsh_profile = CG_PROFILE_ARBVP1;
339 root 1.36 //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
340     //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
341 root 1.35 fsh_profile = CG_PROFILE_ARBFP1;
342 root 1.36 //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
343     //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
344 root 1.35
345     vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
346 root 1.29 CheckCgError ();
347     cgGLLoadProgram (vsh);
348     CheckCgError ();
349     mv = cgGetNamedParameter (vsh, "WorldProj");
350     mvp = cgGetNamedParameter (vsh, "WorldViewProj");
351 root 1.30 lightpos = cgGetNamedParameter (vsh, "LightPos");
352 root 1.29 CheckCgError ();
353    
354 root 1.39 CGparameter g_Texture; // the texture parameter
355    
356    
357 root 1.35 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
358 root 1.39 Texture t("o.jpg");
359     g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
360     cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
361 root 1.30 CheckCgError ();
362 root 1.29 cgGLLoadProgram (fsh);
363 root 1.30 CheckCgError ();
364 root 1.29
365     cgGLBindProgram (vsh);
366 root 1.30 CheckCgError ();
367 root 1.29 cgGLBindProgram (fsh);
368 root 1.30 CheckCgError ();
369 root 1.1
370     /* Loop until done. */
371     start_time = SDL_GetTicks ();
372     frames = 0;
373 root 1.16
374 root 1.1 while (!done)
375     {
376     char *sdl_error;
377     SDL_Event event;
378    
379 root 1.50 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
380     camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
381     camera_angle += 30 * camera_velocity_angle * timer.diff;
382 root 1.38 camera.d.z = -cos (camera_angle * 12 / 180.);
383     camera.d.x = sin (camera_angle * 12 / 180.);
384 root 1.18
385 root 1.30 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
386 root 1.39
387     glBindTexture (GL_TEXTURE_2D, t.texture);
388 root 1.40 cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter
389 root 1.6
390 root 1.5 #if 0
391 root 1.3 static GLfloat ry;
392 root 1.13 ry += 0.001;
393     camera.d.x = cos (ry);
394     camera.d.z = sin (ry);
395     //camera.d.y = sin (ry * 0.1);
396 root 1.5 #endif
397 root 1.1
398 root 1.34 camera.begin ();
399     camera.pass (view::DEPTH);
400     camera.pass (view::LIGHTED);
401     camera.end ();
402 root 1.1
403     SDL_GL_SwapBuffers ();
404 root 1.15 timer.frame ();
405 root 1.1
406     /* Check for error conditions. */
407     gl_error = glGetError ();
408    
409 root 1.45 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
410 root 1.1
411     sdl_error = SDL_GetError ();
412    
413     if (sdl_error[0] != '\0')
414     {
415     fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
416     SDL_ClearError ();
417     }
418    
419     /* Allow the user to see what's happening */
420 root 1.9 //SDL_Delay (20);
421 root 1.1
422     /* Check if there's a pending event. */
423     while (SDL_PollEvent (&event))
424 root 1.18 done = HandleEvent (&event);
425 root 1.20
426 root 1.18
427 root 1.1 ++frames;
428     }
429    
430     /* Print out the frames per second */
431     this_time = SDL_GetTicks ();
432     if (this_time != start_time)
433     {
434     printf ("%2.2f FPS\n",
435     ((float) frames / (this_time - start_time)) * 1000.0);
436     }
437    
438     if (global_image)
439     {
440     SDL_FreeSurface (global_image);
441     global_image = NULL;
442     }
443     if (global_texture)
444     {
445     glDeleteTextures (1, &global_texture);
446     global_texture = 0;
447     }
448    
449     /* Destroy our GL context, etc. */
450     SDL_Quit ();
451     return (0);
452     }
453    
454     int
455     main (int argc, char *argv[])
456     {
457     int i, logo;
458     int numtests;
459     int bpp = 0;
460     int slowly;
461     float gamma = 0.0;
462     int noframe = 0;
463     int fsaa = 0;
464 root 1.4
465 root 1.1 logo = 0;
466     slowly = 0;
467     numtests = 1;
468     for (i = 1; argv[i]; ++i)
469     {
470     if (strcmp (argv[i], "-twice") == 0)
471     {
472     ++numtests;
473     }
474     if (strcmp (argv[i], "-slow") == 0)
475     {
476     slowly = 1;
477     }
478     if (strcmp (argv[i], "-bpp") == 0)
479     {
480     bpp = atoi (argv[++i]);
481     }
482     if (strcmp (argv[i], "-gamma") == 0)
483     {
484     gamma = (float) atof (argv[++i]);
485     }
486     if (strcmp (argv[i], "-noframe") == 0)
487     {
488     noframe = 1;
489     }
490     if (strcmp (argv[i], "-fsaa") == 0)
491     {
492     ++fsaa;
493     }
494     if (strncmp (argv[i], "-h", 2) == 0)
495     {
496     printf
497     ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
498     argv[0]);
499     exit (0);
500     }
501     }
502 root 1.17
503 root 1.1 for (i = 0; i < numtests; ++i)
504 root 1.17 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
505    
506 root 1.1 return 0;
507     }