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Comparing libgender/test.C (file contents):
Revision 1.4 by root, Sun Oct 3 02:19:07 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/**********************************************************************/
33
34view camera;
35vec3 camera_velocity;
36float camera_angle = 0, camera_velocity_angle;
37float camera_velocity_factor = 20;
24 38
25void 39void
26HotKey_ToggleFullScreen (void) 40HotKey_ToggleFullScreen (void)
27{ 41{
28 SDL_Surface *screen; 42 SDL_Surface *screen;
29 43
30 screen = SDL_GetVideoSurface (); 44 screen = SDL_GetVideoSurface ();
31 if (SDL_WM_ToggleFullScreen (screen)) 45 if (SDL_WM_ToggleFullScreen (screen))
32 {
33 printf ("Toggled fullscreen mode - now %s\n", 46 printf ("Toggled fullscreen mode - now %s\n",
34 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); 47 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
35 }
36 else 48 else
37 {
38 printf ("Unable to toggle fullscreen mode\n"); 49 printf ("Unable to toggle fullscreen mode\n");
39 }
40} 50}
41 51
42void 52void
43HotKey_ToggleGrab (void) 53HotKey_ToggleGrab (void)
44{ 54{
45 SDL_GrabMode mode; 55 SDL_GrabMode mode;
46 56
47 printf ("Ctrl-G: toggling input grab!\n"); 57 printf ("Ctrl-G: toggling input grab!\n");
48 mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); 58 mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
49 if (mode == SDL_GRAB_ON) 59 if (mode == SDL_GRAB_ON)
50 {
51 printf ("Grab was on\n"); 60 printf ("Grab was on\n");
52 }
53 else 61 else
54 {
55 printf ("Grab was off\n"); 62 printf ("Grab was off\n");
56 }
57 63
58 mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON); 64 mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
59 if (mode == SDL_GRAB_ON) 65 if (mode == SDL_GRAB_ON)
60 {
61 printf ("Grab is now on\n"); 66 printf ("Grab is now on\n");
62 }
63 else 67 else
64 {
65 printf ("Grab is now off\n"); 68 printf ("Grab is now off\n");
66 }
67} 69}
68 70
69void 71void
70HotKey_Iconify (void) 72HotKey_Iconify (void)
71{ 73{
… …
99 101
100 printf ("focus\n"); 102 printf ("focus\n");
101 break; 103 break;
102 104
103 case SDL_KEYDOWN: 105 case SDL_KEYDOWN:
106 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
107 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++;
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--;
116
104 if (event->key.keysym.sym == SDLK_ESCAPE) 117 if (event->key.keysym.sym == SDLK_ESCAPE)
105 {
106 done = 1; 118 done = 1;
107 }
108 119
109 if ((event->key.keysym.sym == SDLK_g) && 120 if ((event->key.keysym.sym == SDLK_g) &&
110 (event->key.keysym.mod & KMOD_CTRL)) 121 (event->key.keysym.mod & KMOD_CTRL))
111 {
112 HotKey_ToggleGrab (); 122 HotKey_ToggleGrab ();
113 }
114 123
115 if ((event->key.keysym.sym == SDLK_z) && 124 if ((event->key.keysym.sym == SDLK_z) &&
116 (event->key.keysym.mod & KMOD_CTRL)) 125 (event->key.keysym.mod & KMOD_CTRL))
117 {
118 HotKey_Iconify (); 126 HotKey_Iconify ();
119 }
120 127
121 if ((event->key.keysym.sym == SDLK_RETURN) && 128 if ((event->key.keysym.sym == SDLK_RETURN) &&
122 (event->key.keysym.mod & KMOD_ALT)) 129 (event->key.keysym.mod & KMOD_ALT))
123 {
124 HotKey_ToggleFullScreen (); 130 HotKey_ToggleFullScreen ();
125 }
126 131
127 printf ("key '%s' pressed\n", SDL_GetKeyName (event->key.keysym.sym)); 132 break;
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++;
128 break; 143 break;
129 144
130 case SDL_QUIT: 145 case SDL_QUIT:
131 done = 1; 146 done = 1;
132 break; 147 break;
133 } 148 }
134 149
135 return (done); 150 return (done);
136}
137
138void
139SDL_GL_Enter2DMode ()
140{
141 SDL_Surface *screen = SDL_GetVideoSurface ();
142
143 /* Note, there may be other things you need to change,
144 depending on how you have your OpenGL state set up.
145 */
146 glPushAttrib (GL_ENABLE_BIT);
147 glDisable (GL_DEPTH_TEST);
148 glDisable (GL_CULL_FACE);
149 glEnable (GL_TEXTURE_2D);
150
151 /* This allows alpha blending of 2D textures with the scene */
152 glEnable (GL_BLEND);
153 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
154
155 glViewport (0, 0, screen->w, screen->h);
156
157 glMatrixMode (GL_PROJECTION);
158 glPushMatrix ();
159 glLoadIdentity ();
160
161 glOrtho (0.0, (GLdouble) screen->w, (GLdouble) screen->h, 0.0, 0.0, 1.0);
162
163 glMatrixMode (GL_MODELVIEW);
164 glPushMatrix ();
165 glLoadIdentity ();
166
167 glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
168}
169
170void
171SDL_GL_Leave2DMode ()
172{
173 glMatrixMode (GL_MODELVIEW);
174 glPopMatrix ();
175
176 glMatrixMode (GL_PROJECTION);
177 glPopMatrix ();
178
179 glPopAttrib ();
180}
181
182/* Quick utility function for texture creation */
183static int
184power_of_two (int input)
185{
186 int value = 1;
187
188 while (value < input)
189 {
190 value <<= 1;
191 }
192 return value;
193}
194
195GLuint
196SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
197{
198 GLuint texture;
199 int w, h;
200 SDL_Surface *image;
201 SDL_Rect area;
202 Uint32 saved_flags;
203 Uint8 saved_alpha;
204
205 /* Use the surface width and height expanded to powers of 2 */
206 w = power_of_two (surface->w);
207 h = power_of_two (surface->h);
208 texcoord[0] = 0.0f; /* Min X */
209 texcoord[1] = 0.0f; /* Min Y */
210 texcoord[2] = (GLfloat) surface->w / w; /* Max X */
211 texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
212
213 image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
214#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
215 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
216#else
217 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
218#endif
219 );
220 if (image == NULL)
221 {
222 return 0;
223 }
224
225 /* Save the alpha blending attributes */
226 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
227 saved_alpha = surface->format->alpha;
228 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
229 {
230 SDL_SetAlpha (surface, 0, 0);
231 }
232
233 /* Copy the surface into the GL texture image */
234 area.x = 0;
235 area.y = 0;
236 area.w = surface->w;
237 area.h = surface->h;
238 SDL_BlitSurface (surface, &area, image, &area);
239
240 /* Restore the alpha blending attributes */
241 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
242 {
243 SDL_SetAlpha (surface, saved_flags, saved_alpha);
244 }
245
246 /* Create an OpenGL texture for the image */
247 glGenTextures (1, &texture);
248 glBindTexture (GL_TEXTURE_2D, texture);
249 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
250 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
251 glTexImage2D (GL_TEXTURE_2D,
252 0,
253 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
254 SDL_FreeSurface (image); /* No longer needed */
255
256 return texture;
257} 151}
258 152
259int 153int
260RunGLTest (int argc, char *argv[], 154RunGLTest (int argc, char *argv[],
261 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)
… …
267 int done = 0; 161 int done = 0;
268 int frames; 162 int frames;
269 Uint32 start_time, this_time; 163 Uint32 start_time, this_time;
270 Uint32 video_flags; 164 Uint32 video_flags;
271 int value; 165 int value;
166 GLenum gl_error;
272 167
273 if (SDL_Init (SDL_INIT_VIDEO) < 0) 168 if (SDL_Init (SDL_INIT_VIDEO) < 0)
274 { 169 {
275 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 170 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
276 exit (1); 171 exit (1);
… …
314 rgb_size[0] = 8; 209 rgb_size[0] = 8;
315 rgb_size[1] = 8; 210 rgb_size[1] = 8;
316 rgb_size[2] = 8; 211 rgb_size[2] = 8;
317 break; 212 break;
318 } 213 }
214
319 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); 215 SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
320 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); 216 SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
321 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); 217 SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
322 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); 218 SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
323 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); 219 SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
… …
362 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, 258 printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
363 value); 259 value);
364 } 260 }
365 261
366 /* Set the window manager title bar */ 262 /* Set the window manager title bar */
367 SDL_WM_SetCaption ("SDL GL test", "testgl"); 263 SDL_WM_SetCaption ("libgender rendering test", "gendertest");
368 264
369 /* Set the gamma for the window */ 265 /* Set the gamma for the window */
370 if (gamma != 0.0) 266 if (gamma != 0.0)
371 SDL_SetGamma (gamma, gamma, gamma); 267 SDL_SetGamma (gamma, gamma, gamma);
372 268
373 view v; 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;
374 v.p = point (0, 0, 0); 290 camera.p = point (0, 0, 10);
375 v.d = vec3 (0, 0, -1); 291 camera.d = vec3 (0, 0, -1);
376 v.u = vec3 (0, 1, 0); 292 camera.u = vec3 (0, 1, 0);
377 v.w = w; v.h = h; 293 camera.w = w; camera.h = h;
378 v.fov = 90; 294 camera.fov = 80;
379 295
380 glMatrixMode (GL_MODELVIEW); 296 glMatrixMode (GL_MODELVIEW);
381 glLoadIdentity (); 297 glLoadIdentity ();
382 298
299 glEnable (GL_CULL_FACE);
383 glEnable (GL_DEPTH_TEST); 300 glEnable (GL_DEPTH_TEST);
384 301
385 glDepthFunc (GL_LESS);
386
387 glShadeModel (GL_SMOOTH); 302 glShadeModel (GL_SMOOTH);
388 GLfloat ambient[4] = { 1, 1, 1, 1 }; 303
389 glEnable (GL_LIGHTING); 304 glEnable (GL_LIGHTING);
390 glEnable (GL_COLOR_MATERIAL); 305 glEnable (GL_LIGHT0);
391 glLightModelfv (GL_LIGHT_MODEL_AMBIENT, ambient); 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 ();
392 340
393 /* Loop until done. */ 341 /* Loop until done. */
394 start_time = SDL_GetTicks (); 342 start_time = SDL_GetTicks ();
395 frames = 0; 343 frames = 0;
344
396 while (!done) 345 while (!done)
397 { 346 {
398 GLenum gl_error;
399 char *sdl_error; 347 char *sdl_error;
400 SDL_Event event; 348 SDL_Event event;
401 349
402 /* Do our drawing, too. */ 350 camera.p.x += camera_velocity_factor * camera_velocity.x * timer.diff;
403 glClearColor (0.0, 0.0, 0.0, 1.0); 351 camera.p.y += camera_velocity_factor * camera_velocity.y * timer.diff;
404 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 352 camera.p.z += camera_velocity_factor * camera_velocity.z * timer.diff;
405 353
354 camera_angle += camera_velocity_factor * camera_velocity_angle * timer.diff;
355 camera.d.z = -cos (camera_angle * 12 / 180.);
356 camera.d.x = sin (camera_angle * 12 / 180.);
357
358 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
359
360 glBindTexture (GL_TEXTURE_2D, t.texture);
361 cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter
362
363#if 0
406 static GLfloat ry; 364 static GLfloat ry;
407 ry += 0.1; 365 ry += 0.001;
408 v.d.x = cos (ry); 366 camera.d.x = cos (ry);
409 v.d.z = sin (ry); 367 camera.d.z = sin (ry);
368 //camera.d.y = sin (ry * 0.1);
369#endif
410 370
411 draw_context c; 371 camera.begin ();
412 v.draw (c); 372 camera.pass (view::DEPTH);
373 camera.pass (view::LIGHTED);
374 camera.end ();
413 375
414 SDL_GL_SwapBuffers (); 376 SDL_GL_SwapBuffers ();
377 timer.frame ();
415 378
416 /* Check for error conditions. */ 379 /* Check for error conditions. */
417 gl_error = glGetError (); 380 gl_error = glGetError ();
418 381
419 if (gl_error != GL_NO_ERROR)
420 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);
421 383
422 sdl_error = SDL_GetError (); 384 sdl_error = SDL_GetError ();
423 385
424 if (sdl_error[0] != '\0') 386 if (sdl_error[0] != '\0')
425 { 387 {
426 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 388 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
427 SDL_ClearError (); 389 SDL_ClearError ();
428 } 390 }
429 391
430 /* Allow the user to see what's happening */ 392 /* Allow the user to see what's happening */
431 SDL_Delay (20); 393 //SDL_Delay (20);
432 394
433 /* Check if there's a pending event. */ 395 /* Check if there's a pending event. */
434 while (SDL_PollEvent (&event)) 396 while (SDL_PollEvent (&event))
435 {
436 done = HandleEvent (&event); 397 done = HandleEvent (&event);
437 } 398
399
438 ++frames; 400 ++frames;
439 } 401 }
440 402
441 /* Print out the frames per second */ 403 /* Print out the frames per second */
442 this_time = SDL_GetTicks (); 404 this_time = SDL_GetTicks ();
… …
471 int slowly; 433 int slowly;
472 float gamma = 0.0; 434 float gamma = 0.0;
473 int noframe = 0; 435 int noframe = 0;
474 int fsaa = 0; 436 int fsaa = 0;
475 437
476 // load a entity
477 txtprt_parser p;
478 try {
479 entity *e = p.read ("test.blasc");
480 } catch (txtprt_i_exception & e) {
481 cout << "ERR: " << e.msg << endl;
482 }
483 // now please draw my entity ;)
484
485 logo = 0; 438 logo = 0;
486 slowly = 0; 439 slowly = 0;
487 numtests = 1; 440 numtests = 1;
488 for (i = 1; argv[i]; ++i) 441 for (i = 1; argv[i]; ++i)
489 { 442 {
… …
517 ("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",
518 argv[0]); 471 argv[0]);
519 exit (0); 472 exit (0);
520 } 473 }
521 } 474 }
475
522 for (i = 0; i < numtests; ++i) 476 for (i = 0; i < numtests; ++i)
523 {
524 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa); 477 RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
525 } 478
526 return 0; 479 return 0;
527} 480}

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