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Comparing libgender/test.C (file contents):
Revision 1.57 by root, Sun Oct 10 14:15:15 2004 UTC vs.
Revision 1.80 by root, Thu Nov 4 04:46:58 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;
… …
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:
… …
152 138
153void draw_floor (int size, int dx, int dy, int dz) 139void draw_floor (int size, int dx, int dy, int dz)
154{ 140{
155 int x, z, ry; 141 int x, z, ry;
156 142
157 for (x = 0; x < 100; x++) 143 for (x = 0; x < 10; x++)
158 { 144 {
159 for (z = 0; z < 100; z++) 145 for (z = 0; z < 10; z++)
160 { 146 {
161 vector<vertex2d> pts; 147 vector<vertex_t2f_n3f_v3f> pts;
162 pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0))); 148 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
163 pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1))); 149 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
164 pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1))); 150 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
165 pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0))); 151 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
166 152
167 geometry_quads *q = new geometry_quads; 153 geometry_quads *q = new geometry_quads;
168 q->m = new simple_material; 154 //q->m = new simple_material;
169 q->set (pts); 155 q->set (pts);
170 entity *e = new entity (q); 156 entity *e = new entity (q);
171 e->move (vec3 (dx + x * size, dy, dz + z * size)); 157 e->move (vec3 (dx + x * size, dy, dz + z * size));
172 e->show (); 158 e->show ();
173 } 159 }
… …
179 geometry_nurbs *q = new geometry_nurbs; 165 geometry_nurbs *q = new geometry_nurbs;
180 q->set (); 166 q->set ();
181 entity *e = new entity (q); 167 entity *e = new entity (q);
182 e->move (vec3 (10, 3, -4)); 168 e->move (vec3 (10, 3, -4));
183 e->show (); 169 e->show ();
170}
171
172void fisch (vec3 center, GLfloat radius, int depth)
173{
174 entity *planet = new entity (new geometry_sphere (testmat, 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 }
184} 187}
185 188
186extern void draw_level (); 189extern void draw_level ();
187int 190int
188RunGLTest (int argc, char *argv[], 191RunGLTest (int argc, char *argv[],
… …
192 int rgb_size[3]; 195 int rgb_size[3];
193 int w = 640; 196 int w = 640;
194 int h = 480; 197 int h = 480;
195 int done = 0; 198 int done = 0;
196 int frames; 199 int frames;
197 Uint32 start_time, this_time;
198 Uint32 video_flags; 200 Uint32 video_flags;
199 int value; 201 int value;
200 GLenum gl_error; 202 GLenum gl_error;
201 203
202 if (SDL_Init (SDL_INIT_VIDEO) < 0) 204 if (SDL_Init (SDL_INIT_VIDEO) < 0)
… …
247 } 249 }
248 250
249 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 251 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
250 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 252 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
251 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 253 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
252 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 254 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
253 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 255 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
254 256
255 if (fsaa) 257 if (fsaa)
256 { 258 {
257 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); 259 SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
… …
263 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); 265 fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
264 SDL_Quit (); 266 SDL_Quit ();
265 exit (1); 267 exit (1);
266 } 268 }
267 269
268 printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); 270 //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
269 printf ("\n"); 271 //printf ("\n");
270 printf ("Vendor : %s\n", glGetString (GL_VENDOR)); 272 //printf ("Vendor : %s\n", glGetString (GL_VENDOR));
271 printf ("Renderer : %s\n", glGetString (GL_RENDERER)); 273 //printf ("Renderer : %s\n", glGetString (GL_RENDERER));
272 printf ("Version : %s\n", glGetString (GL_VERSION)); 274 //printf ("Version : %s\n", glGetString (GL_VERSION));
273 printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); 275 //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
274 printf ("\n"); 276 printf ("\n");
275 277
276 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); 278 SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
277 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);
278 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); 280 SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
… …
297 SDL_WM_SetCaption ("libgender rendering test", "gendertest"); 299 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
298 300
299 /* Set the gamma for the window */ 301 /* Set the gamma for the window */
300 if (gamma != 0.0) 302 if (gamma != 0.0)
301 SDL_SetGamma (gamma, gamma, gamma); 303 SDL_SetGamma (gamma, gamma, gamma);
304
305 testmat = new test_material;
306
307#if 0
308 entity *planet = new entity (new geometry_sphere (10));
309 planet->move (vec3 (0, 0, -20));
310 planet->show ();
311#endif
302 312
303 for (int i = 0; i < 20; i++) 313 for (int i = 0; i < 20; i++)
304 { 314 {
305 // load a entity 315 // load a entity
306 txtprt_parser p; 316 txtprt_parser p;
… …
317 entity *e = new entity (g); 327 entity *e = new entity (g);
318 e->move (vec3 (i*5, -3, -i*10)); 328 e->move (vec3 (i*5, -3, -i*10));
319 e->show (); 329 e->show ();
320 } 330 }
321 331
332 {
333 fisch (vec3 (0, 0, -2e9), 1e9, 8);
334 //entity *planet = new entity (new geometry_sphere (1e9));
335 //planet->move (vec3 (0, 0, -1.5e9));
336 //planet->show ();
337 }
338
339 {
340 entity *planet = new entity (new geometry_sphere (testmat, 4e15));
341 planet->move (vec3 (0, 0, 1e17));
342 planet->show ();
343 }
344
322 draw_floor (10, -500, -10, -1000); 345 //draw_floor (10, -500, -10, -1000);
323 draw_level (); 346 draw_level ();
347
348
349#if 0
350 {
351 geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
352 entity *e = new entity (hf);
353 e->move (vec3 (-100000, -100000 * 0.01, -100000));
354 e->show ();
355 }
356
324 draw_test_nurb (); 357 //draw_test_nurb ();
358#endif
325 359
326 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368; 360 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
327 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0; 361 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
328 camera.p = point (0, 0, 10); 362 camera.p = point (0, 0, 10);
329 camera.d = vec3 (0, 0, -1); 363 camera.d = vec3 (0, 0, -1);
330 camera.u = vec3 (0, 1, 0); 364 camera.u = vec3 (0, 1, 0);
331 camera.w = w; camera.h = h; 365 camera.w = w; camera.h = h;
332 camera.fov = 35; 366 camera.fov = 40.;
333 camera.z_near = 1.;
334
335 glMatrixMode (GL_MODELVIEW);
336 glLoadIdentity ();
337 367
338 glEnable (GL_CULL_FACE); 368 glEnable (GL_CULL_FACE);
339 glEnable (GL_DEPTH_TEST); 369 glDisable (GL_ALPHA_TEST);
340 370 glDisable (GL_BLEND);
341 glShadeModel (GL_SMOOTH);
342
343 glEnable (GL_LIGHTING);
344 glEnable (GL_LIGHT0);
345
346 cgc = cgCreateContext ();
347
348 vsh_profile = CG_PROFILE_ARBVP1;
349 //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
350 //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
351 fsh_profile = CG_PROFILE_ARBFP1;
352 //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
353 //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
354
355 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
356 CheckCgError ();
357 cgGLLoadProgram (vsh);
358 CheckCgError ();
359 mv = cgGetNamedParameter (vsh, "WorldProj");
360 mvp = cgGetNamedParameter (vsh, "WorldViewProj");
361 lightpos = cgGetNamedParameter (vsh, "LightPos");
362 CheckCgError ();
363
364 CGparameter g_Texture; // the texture parameter
365
366
367 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
368 Texture t("o.jpg");
369 g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
370 cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
371 CheckCgError ();
372 cgGLLoadProgram (fsh);
373 CheckCgError ();
374
375 cgGLBindProgram (vsh);
376 CheckCgError ();
377 cgGLBindProgram (fsh);
378 CheckCgError ();
379 371
380 /* Loop until done. */ 372 /* Loop until done. */
381 start_time = SDL_GetTicks ();
382 frames = 0; 373 frames = 0;
374
375 linear_light mylight;
376 mylight.radius = 100000;
377 mylight.c = colour (1., 1, 1, 1.);
378 mylight.intensity = 1.F;
379
380 pass pass_light (&mylight);
383 381
384 while (!done) 382 while (!done)
385 { 383 {
386 char *sdl_error; 384 char *sdl_error;
387 SDL_Event event; 385 SDL_Event event;
… …
396 camera.u = cross (camera.d, right); 394 camera.u = cross (camera.d, right);
397 395
398 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; 396 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
399 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; 397 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
400 398
401 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); 399 mylight.orig = camera.orig;
400 mylight.p = camera.p;
402 401
403 glBindTexture (GL_TEXTURE_2D, t.texture); 402 //mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
404 cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter 403
405
406#if 0
407 static GLfloat ry;
408 ry += 0.001;
409 camera.d.x = cos (ry);
410 camera.d.z = sin (ry);
411 //camera.d.y = sin (ry * 0.1);
412#endif
413
414 camera.begin (); 404 camera.begin ();
415 camera.pass (view::DEPTH); 405 camera.render (view::DEPTH, pass_depth);
416 camera.pass (view::LIGHTED); 406 camera.render (view::POSTDEPTH, pass_depth);
407 camera.render (view::LIGHTED, pass_light);
417 camera.end (); 408 camera.end ();
418 409
419 SDL_GL_SwapBuffers (); 410 SDL_GL_SwapBuffers ();
420 timer.frame (); 411 timer.frame ();
421 412
413#if 0
422 /* Check for error conditions. */ 414 /* Check for error conditions. */
423 gl_error = glGetError (); 415 gl_error = glGetError ();
424 416
425 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 417 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
426 418
… …
432 SDL_ClearError (); 424 SDL_ClearError ();
433 } 425 }
434 426
435 /* Allow the user to see what's happening */ 427 /* Allow the user to see what's happening */
436 //SDL_Delay (40); 428 //SDL_Delay (40);
429#endif
437 430
438 /* Check if there's a pending event. */ 431 /* Check if there's a pending event. */
439 while (SDL_PollEvent (&event)) 432 while (SDL_PollEvent (&event))
440 done = HandleEvent (&event); 433 done = HandleEvent (&event);
441 434
442
443 ++frames; 435 ++frames;
444 }
445
446 /* Print out the frames per second */
447 this_time = SDL_GetTicks ();
448 if (this_time != start_time)
449 {
450 printf ("%2.2f FPS\n",
451 ((float) frames / (this_time - start_time)) * 1000.0);
452 } 436 }
453 437
454 if (global_image) 438 if (global_image)
455 { 439 {
456 SDL_FreeSurface (global_image); 440 SDL_FreeSurface (global_image);
457 global_image = NULL; 441 global_image = NULL;
458 } 442 }
443
459 if (global_texture) 444 if (global_texture)
460 { 445 {
461 glDeleteTextures (1, &global_texture); 446 glDeleteTextures (1, &global_texture);
462 global_texture = 0; 447 global_texture = 0;
463 } 448 }

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