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Comparing libgender/test.C (file contents):
Revision 1.10 by root, Sun Oct 3 05:17:58 2004 UTC vs.
Revision 1.45 by root, Wed Oct 6 17:55:40 2004 UTC

… …
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 "SDL.h" 6#include "SDL.h"
7
8#include "SDL_opengl.h" 7#include "SDL_opengl.h"
9
10/* Undefine this if you want a flat cube instead of a rainbow cube */
11#define SHADED_CUBE
12
13/* Define this to be the name of the logo image to use with -logo */
14#define LOGO_FILE "icon.bmp"
15 8
16static SDL_Surface *global_image = NULL; 9static SDL_Surface *global_image = NULL;
17static GLuint global_texture = 0; 10static GLuint global_texture = 0;
18 11
12#include "util.h"
19#include "entity.h" 13#include "entity.h"
20
21#include "txtprt_import.h" 14#include "txtprt_import.h"
22 15
16CGcontext cgc;
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
23/**********************************************************************/ 32/**********************************************************************/
24 33
25view camera; 34view camera;
35vec3 camera_velocity;
36float camera_angle = 0, camera_velocity_angle;
37float camera_velocity_factor = 20;
26 38
27void 39void
28HotKey_ToggleFullScreen (void) 40HotKey_ToggleFullScreen (void)
29{ 41{
30 SDL_Surface *screen; 42 SDL_Surface *screen;
… …
89 101
90 printf ("focus\n"); 102 printf ("focus\n");
91 break; 103 break;
92 104
93 case SDL_KEYDOWN: 105 case SDL_KEYDOWN:
94
95 if (event->key.keysym.sym == SDLK_UP) 106 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
96 camera.p.z -= 1;
97 if (event->key.keysym.sym == SDLK_DOWN) 107 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
98 camera.p.z += 1;
99 if (event->key.keysym.sym == SDLK_LEFT) 108 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
100 camera.p.x -= 1;
101 if (event->key.keysym.sym == SDLK_RIGHT) 109 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++;
102 camera.p.x += 1; 110 if (event->key.keysym.sym == SDLK_a) camera_velocity.y--;
111 if (event->key.keysym.sym == SDLK_s) camera_velocity.y++;
112 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 if (event->key.keysym.sym == SDLK_e) camera_velocity_angle++;
115 if (event->key.keysym.sym == SDLK_q) camera_velocity_angle--;
103 116
104 if (event->key.keysym.sym == SDLK_ESCAPE) 117 if (event->key.keysym.sym == SDLK_ESCAPE)
105 done = 1; 118 done = 1;
106 119
107 if ((event->key.keysym.sym == SDLK_g) && 120 if ((event->key.keysym.sym == SDLK_g) &&
… …
116 (event->key.keysym.mod & KMOD_ALT)) 129 (event->key.keysym.mod & KMOD_ALT))
117 HotKey_ToggleFullScreen (); 130 HotKey_ToggleFullScreen ();
118 131
119 break; 132 break;
120 133
134 case SDL_KEYUP:
135 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
136 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
137 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++;
138 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--;
139 if (event->key.keysym.sym == SDLK_a) camera_velocity.y++;
140 if (event->key.keysym.sym == SDLK_s) 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;
144
121 case SDL_QUIT: 145 case SDL_QUIT:
122 done = 1; 146 done = 1;
123 break; 147 break;
124 } 148 }
125 149
126 return (done); 150 return (done);
127}
128
129/* Quick utility function for texture creation */
130static int
131power_of_two (int input)
132{
133 int value = 1;
134
135 while (value < input)
136 {
137 value <<= 1;
138 }
139 return value;
140}
141
142GLuint
143SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
144{
145 GLuint texture;
146 int w, h;
147 SDL_Surface *image;
148 SDL_Rect area;
149 Uint32 saved_flags;
150 Uint8 saved_alpha;
151
152 /* Use the surface width and height expanded to powers of 2 */
153 w = power_of_two (surface->w);
154 h = power_of_two (surface->h);
155 texcoord[0] = 0.0f; /* Min X */
156 texcoord[1] = 0.0f; /* Min Y */
157 texcoord[2] = (GLfloat) surface->w / w; /* Max X */
158 texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
159
160 image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
161#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
162 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
163#else
164 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
165#endif
166 );
167 if (image == NULL)
168 {
169 return 0;
170 }
171
172 /* Save the alpha blending attributes */
173 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
174 saved_alpha = surface->format->alpha;
175 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
176 {
177 SDL_SetAlpha (surface, 0, 0);
178 }
179
180 /* Copy the surface into the GL texture image */
181 area.x = 0;
182 area.y = 0;
183 area.w = surface->w;
184 area.h = surface->h;
185 SDL_BlitSurface (surface, &area, image, &area);
186
187 /* Restore the alpha blending attributes */
188 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
189 {
190 SDL_SetAlpha (surface, saved_flags, saved_alpha);
191 }
192
193 /* Create an OpenGL texture for the image */
194 glGenTextures (1, &texture);
195 glBindTexture (GL_TEXTURE_2D, texture);
196 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
197 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
198 glTexImage2D (GL_TEXTURE_2D,
199 0,
200 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
201 SDL_FreeSurface (image); /* No longer needed */
202
203 return texture;
204} 151}
205 152
206int 153int
207RunGLTest (int argc, char *argv[], 154RunGLTest (int argc, char *argv[],
208 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 155 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
… …
214 int done = 0; 161 int done = 0;
215 int frames; 162 int frames;
216 Uint32 start_time, this_time; 163 Uint32 start_time, this_time;
217 Uint32 video_flags; 164 Uint32 video_flags;
218 int value; 165 int value;
166 GLenum gl_error;
219 167
220 if (SDL_Init (SDL_INIT_VIDEO) < 0) 168 if (SDL_Init (SDL_INIT_VIDEO) < 0)
221 { 169 {
222 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 170 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
223 exit (1); 171 exit (1);
… …
261 rgb_size[0] = 8; 209 rgb_size[0] = 8;
262 rgb_size[1] = 8; 210 rgb_size[1] = 8;
263 rgb_size[2] = 8; 211 rgb_size[2] = 8;
264 break; 212 break;
265 } 213 }
214
266 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 215 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
267 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 216 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
268 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 217 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
269 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 218 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
270 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 219 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
… …
309 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, 258 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
310 value); 259 value);
311 } 260 }
312 261
313 /* Set the window manager title bar */ 262 /* Set the window manager title bar */
314 SDL_WM_SetCaption ("SDL GL test", "testgl"); 263 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
315 264
316 /* Set the gamma for the window */ 265 /* Set the gamma for the window */
317 if (gamma != 0.0) 266 if (gamma != 0.0)
318 SDL_SetGamma (gamma, gamma, gamma); 267 SDL_SetGamma (gamma, gamma, gamma);
319 268
269 for (int i = 0; i < 70; i++)
270 {
271 // load a entity
272 txtprt_parser p;
273 entity *e;
274 try
275 {
276 e = p.read ("test.blasc");
277 }
278 catch (txtprt_i_exception & e)
279 {
280 cout << "ERR: " << e.msg << endl;
281 }
282
283 entity_transform *f = new entity_transform;
284 f->set (e);
285 f->update (matrix::translation (vec3 (i*5, -3, -i*10)));
286 f->show ();
287 }
288 draw_some_random_funky_floor_dance_music (10, -500, -10, -1000);
289 camera.orig.x = camera.orig.y = camera.orig.z = 0;
320 camera.p = point (0, 0, 10); 290 camera.p = point (0, 0, 10);
321 camera.d = vec3 (0, 0, -1); 291 camera.d = vec3 (0, 0, -1);
322 camera.u = vec3 (0, 1, 0); 292 camera.u = vec3 (0, 1, 0);
323 camera.w = w; camera.h = h; 293 camera.w = w; camera.h = h;
324 camera.fov = 90; 294 camera.fov = 80;
325 295
326 glMatrixMode (GL_MODELVIEW); 296 glMatrixMode (GL_MODELVIEW);
327 glLoadIdentity (); 297 glLoadIdentity ();
328 298
299 glEnable (GL_CULL_FACE);
329 glEnable (GL_DEPTH_TEST); 300 glEnable (GL_DEPTH_TEST);
330 301
331 glDepthFunc (GL_LESS);
332
333 glShadeModel (GL_FLAT); 302 glShadeModel (GL_SMOOTH);
334 303
335 glEnable (GL_LIGHTING); 304 glEnable (GL_LIGHTING);
336
337 //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
338 //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
339 //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
340 glEnable (GL_LIGHT0); 305 glEnable (GL_LIGHT0);
341 glEnable (GL_COLOR_MATERIAL); 306
307 cgc = cgCreateContext ();
308
309 vsh_profile = CG_PROFILE_ARBVP1;
310 //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
311 //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
312 fsh_profile = CG_PROFILE_ARBFP1;
313 //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
314 //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
315
316 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
317 CheckCgError ();
318 cgGLLoadProgram (vsh);
319 CheckCgError ();
320 mv = cgGetNamedParameter (vsh, "WorldProj");
321 mvp = cgGetNamedParameter (vsh, "WorldViewProj");
322 lightpos = cgGetNamedParameter (vsh, "LightPos");
323 CheckCgError ();
324
325 CGparameter g_Texture; // the texture parameter
326
327
328 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
329 Texture t("o.jpg");
330 g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
331 cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
332 CheckCgError ();
333 cgGLLoadProgram (fsh);
334 CheckCgError ();
335
336 cgGLBindProgram (vsh);
337 CheckCgError ();
338 cgGLBindProgram (fsh);
339 CheckCgError ();
342 340
343 /* Loop until done. */ 341 /* Loop until done. */
344 start_time = SDL_GetTicks (); 342 start_time = SDL_GetTicks ();
345 frames = 0; 343 frames = 0;
344
346 while (!done) 345 while (!done)
347 { 346 {
348 GLenum gl_error;
349 char *sdl_error; 347 char *sdl_error;
350 SDL_Event event; 348 SDL_Event event;
351 349
352 /* Do our drawing, too. */ 350 camera.p.x += camera_velocity_factor * camera_velocity.x * timer.diff;
353 glClearColor (0.0, 0.0, 0.0, 1.0); 351 camera.p.y += camera_velocity_factor * camera_velocity.y * timer.diff;
354 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 352 camera.p.z += camera_velocity_factor * camera_velocity.z * timer.diff;
355 353
356 GLfloat lightp[4]; 354 camera_angle += camera_velocity_factor * camera_velocity_angle * timer.diff;
357 lightp[0] = camera.p.x; 355 camera.d.z = -cos (camera_angle * 12 / 180.);
358 lightp[1] = camera.p.y; 356 camera.d.x = sin (camera_angle * 12 / 180.);
359 lightp[2] = camera.p.z; 357
360 lightp[3] = 1; 358 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
361 glLightfv (GL_LIGHT0, GL_POSITION, lightp); 359
360 glBindTexture (GL_TEXTURE_2D, t.texture);
361 cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter
362 362
363#if 0 363#if 0
364 static GLfloat ry; 364 static GLfloat ry;
365 ry += 0.03; 365 ry += 0.001;
366 v.d.x = cos (ry); 366 camera.d.x = cos (ry);
367 v.d.z = sin (ry); 367 camera.d.z = sin (ry);
368 //camera.d.y = sin (ry * 0.1);
368#endif 369#endif
369 370
370 draw_context c; 371 camera.begin ();
371 c.mode = draw_context::LIGHTED; 372 camera.pass (view::DEPTH);
373 camera.pass (view::LIGHTED);
372 camera.draw (c); 374 camera.end ();
373 375
374 SDL_GL_SwapBuffers (); 376 SDL_GL_SwapBuffers ();
377 timer.frame ();
375 378
376 /* Check for error conditions. */ 379 /* Check for error conditions. */
377 gl_error = glGetError (); 380 gl_error = glGetError ();
378 381
379 if (gl_error != GL_NO_ERROR)
380 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 382 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
381 383
382 sdl_error = SDL_GetError (); 384 sdl_error = SDL_GetError ();
383 385
384 if (sdl_error[0] != '\0') 386 if (sdl_error[0] != '\0')
385 { 387 {
… …
390 /* Allow the user to see what's happening */ 392 /* Allow the user to see what's happening */
391 //SDL_Delay (20); 393 //SDL_Delay (20);
392 394
393 /* Check if there's a pending event. */ 395 /* Check if there's a pending event. */
394 while (SDL_PollEvent (&event)) 396 while (SDL_PollEvent (&event))
395 {
396 done = HandleEvent (&event); 397 done = HandleEvent (&event);
397 } 398
399
398 ++frames; 400 ++frames;
399 } 401 }
400 402
401 /* Print out the frames per second */ 403 /* Print out the frames per second */
402 this_time = SDL_GetTicks (); 404 this_time = SDL_GetTicks ();
… …
431 int slowly; 433 int slowly;
432 float gamma = 0.0; 434 float gamma = 0.0;
433 int noframe = 0; 435 int noframe = 0;
434 int fsaa = 0; 436 int fsaa = 0;
435 437
436 // load a entity
437 txtprt_parser p;
438 entity *e;
439 try {
440 e = p.read ("test.blasc");
441 } catch (txtprt_i_exception & e) {
442 cout << "ERR: " << e.msg << endl;
443 }
444 e->show ();
445
446 logo = 0; 438 logo = 0;
447 slowly = 0; 439 slowly = 0;
448 numtests = 1; 440 numtests = 1;
449 for (i = 1; argv[i]; ++i) 441 for (i = 1; argv[i]; ++i)
450 { 442 {
… …
478 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n", 470 ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
479 argv[0]); 471 argv[0]);
480 exit (0); 472 exit (0);
481 } 473 }
482 } 474 }
475
483 for (i = 0; i < numtests; ++i) 476 for (i = 0; i < numtests; ++i)
484 {
485 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa); 477 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
486 } 478
487 return 0; 479 return 0;
488} 480}

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