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 |
#include "util.h" |
13 |
#include "entity.h" |
14 |
#include "txtprt_import.h" |
15 |
|
16 |
CGcontext cgc; |
17 |
CGprogram vsh, fsh; |
18 |
CGparameter mv, mvp, lightpos; |
19 |
CGprofile vsh_profile, fsh_profile; |
20 |
|
21 |
static 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 |
|
32 |
/**********************************************************************/ |
33 |
|
34 |
view camera; |
35 |
vec3 camera_velocity; |
36 |
float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2; |
37 |
float camera_velocity_factor = 80; |
38 |
|
39 |
void |
40 |
HotKey_ToggleFullScreen (void) |
41 |
{ |
42 |
SDL_Surface *screen; |
43 |
|
44 |
screen = SDL_GetVideoSurface (); |
45 |
if (SDL_WM_ToggleFullScreen (screen)) |
46 |
printf ("Toggled fullscreen mode - now %s\n", |
47 |
(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
48 |
else |
49 |
printf ("Unable to toggle fullscreen mode\n"); |
50 |
} |
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 |
printf ("Grab was on\n"); |
61 |
else |
62 |
printf ("Grab was off\n"); |
63 |
|
64 |
mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
65 |
if (mode == SDL_GRAB_ON) |
66 |
printf ("Grab is now on\n"); |
67 |
else |
68 |
printf ("Grab is now off\n"); |
69 |
} |
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) |
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{ |
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printf ("input "); |
100 |
} |
101 |
|
102 |
printf ("focus\n"); |
103 |
break; |
104 |
|
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_RIGHT) camera_velocity_angle++; |
109 |
if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--; |
110 |
if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++; |
111 |
if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--; |
112 |
if (event->key.keysym.sym == SDLK_e) camera_velocity.y--; |
113 |
if (event->key.keysym.sym == SDLK_q) camera_velocity.y++; |
114 |
if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5; |
115 |
if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5; |
116 |
|
117 |
if (event->key.keysym.sym == SDLK_ESCAPE) |
118 |
done = 1; |
119 |
|
120 |
if ((event->key.keysym.sym == SDLK_g) && |
121 |
(event->key.keysym.mod & KMOD_CTRL)) |
122 |
HotKey_ToggleGrab (); |
123 |
|
124 |
if ((event->key.keysym.sym == SDLK_z) && |
125 |
(event->key.keysym.mod & KMOD_CTRL)) |
126 |
HotKey_Iconify (); |
127 |
|
128 |
if ((event->key.keysym.sym == SDLK_RETURN) && |
129 |
(event->key.keysym.mod & KMOD_ALT)) |
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HotKey_ToggleFullScreen (); |
131 |
|
132 |
break; |
133 |
|
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case SDL_KEYUP: |
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if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++; |
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if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--; |
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if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++; |
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if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--; |
139 |
if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--; |
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if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++; |
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if (event->key.keysym.sym == SDLK_e) camera_velocity.y++; |
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if (event->key.keysym.sym == SDLK_q) camera_velocity.y--; |
143 |
break; |
144 |
|
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case SDL_QUIT: |
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done = 1; |
147 |
break; |
148 |
} |
149 |
|
150 |
return (done); |
151 |
} |
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|
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void draw_floor (int size, int dx, int dy, int dz) |
154 |
{ |
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int x, z, ry; |
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|
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for (x = 0; x < 100; x++) |
158 |
{ |
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for (z = 0; z < 100; z++) |
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{ |
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vector<vertex2d> pts; |
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pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0))); |
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pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1))); |
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pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1))); |
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pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0))); |
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|
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geometry_quads *q = new geometry_quads; |
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q->set (pts); |
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entity *e = new entity (q); |
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e->move (vec3 (dx + x * size, dy, dz + z * size)); |
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e->show (); |
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} |
173 |
} |
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} |
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|
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void draw_test_nurb () |
177 |
{ |
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geometry_nurbs *q = new geometry_nurbs; |
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q->set (); |
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entity *e = new entity (q); |
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e->move (vec3 (10, 3, -4)); |
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e->show (); |
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} |
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|
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extern void draw_level (); |
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int |
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RunGLTest (int argc, char *argv[], |
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int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) |
189 |
{ |
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int i; |
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int rgb_size[3]; |
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int w = 640; |
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int h = 480; |
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int done = 0; |
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int frames; |
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Uint32 start_time, this_time; |
197 |
Uint32 video_flags; |
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int value; |
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GLenum gl_error; |
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|
201 |
if (SDL_Init (SDL_INIT_VIDEO) < 0) |
202 |
{ |
203 |
fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); |
204 |
exit (1); |
205 |
} |
206 |
|
207 |
/* See if we should detect the display depth */ |
208 |
if (bpp == 0) |
209 |
{ |
210 |
if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8) |
211 |
bpp = 8; |
212 |
else |
213 |
bpp = 16; /* More doesn't seem to work */ |
214 |
} |
215 |
|
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video_flags = SDL_OPENGL; |
217 |
|
218 |
for (i = 1; argv[i]; ++i) |
219 |
if (strcmp (argv[1], "-fullscreen") == 0) |
220 |
video_flags |= SDL_FULLSCREEN; |
221 |
|
222 |
if (noframe) |
223 |
video_flags |= SDL_NOFRAME; |
224 |
|
225 |
/* Initialize the display */ |
226 |
switch (bpp) |
227 |
{ |
228 |
case 8: |
229 |
rgb_size[0] = 3; |
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rgb_size[1] = 3; |
231 |
rgb_size[2] = 2; |
232 |
break; |
233 |
|
234 |
case 15: |
235 |
case 16: |
236 |
rgb_size[0] = 5; |
237 |
rgb_size[1] = 5; |
238 |
rgb_size[2] = 5; |
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break; |
240 |
|
241 |
default: |
242 |
rgb_size[0] = 8; |
243 |
rgb_size[1] = 8; |
244 |
rgb_size[2] = 8; |
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break; |
246 |
} |
247 |
|
248 |
SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); |
249 |
SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); |
250 |
SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); |
251 |
SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); |
252 |
SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); |
253 |
|
254 |
if (fsaa) |
255 |
{ |
256 |
SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); |
257 |
SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa); |
258 |
} |
259 |
|
260 |
if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL) |
261 |
{ |
262 |
fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); |
263 |
SDL_Quit (); |
264 |
exit (1); |
265 |
} |
266 |
|
267 |
printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); |
268 |
printf ("\n"); |
269 |
printf ("Vendor : %s\n", glGetString (GL_VENDOR)); |
270 |
printf ("Renderer : %s\n", glGetString (GL_RENDERER)); |
271 |
printf ("Version : %s\n", glGetString (GL_VERSION)); |
272 |
printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); |
273 |
printf ("\n"); |
274 |
|
275 |
SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); |
276 |
printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value); |
277 |
SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); |
278 |
printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value); |
279 |
SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value); |
280 |
printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value); |
281 |
SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value); |
282 |
printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value); |
283 |
SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value); |
284 |
printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value); |
285 |
|
286 |
if (fsaa) |
287 |
{ |
288 |
SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value); |
289 |
printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); |
290 |
SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value); |
291 |
printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, |
292 |
value); |
293 |
} |
294 |
|
295 |
/* Set the window manager title bar */ |
296 |
SDL_WM_SetCaption ("libgender rendering test", "gendertest"); |
297 |
|
298 |
/* Set the gamma for the window */ |
299 |
if (gamma != 0.0) |
300 |
SDL_SetGamma (gamma, gamma, gamma); |
301 |
|
302 |
for (int i = 0; i < 1; i++) |
303 |
{ |
304 |
// load a entity |
305 |
txtprt_parser p; |
306 |
geometry *g; |
307 |
try |
308 |
{ |
309 |
g = p.read ("test.blasc"); |
310 |
} |
311 |
catch (txtprt_i_exception & e) |
312 |
{ |
313 |
cout << "ERR: " << e.msg << endl; |
314 |
} |
315 |
|
316 |
entity *e = new entity (g); |
317 |
e->move (vec3 (i*5, -3, -i*10)); |
318 |
e->show (); |
319 |
} |
320 |
|
321 |
//draw_floor (10, -500, -10, -1000); |
322 |
draw_level (); |
323 |
//draw_test_nurb (); |
324 |
|
325 |
//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368; |
326 |
camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0; |
327 |
camera.p = point (0, 0, 10); |
328 |
camera.d = vec3 (0, 0, -1); |
329 |
camera.u = vec3 (0, 1, 0); |
330 |
camera.w = w; camera.h = h; |
331 |
camera.fov = 35; |
332 |
camera.z_near = 1.; |
333 |
|
334 |
glMatrixMode (GL_MODELVIEW); |
335 |
glLoadIdentity (); |
336 |
|
337 |
glEnable (GL_CULL_FACE); |
338 |
glEnable (GL_DEPTH_TEST); |
339 |
|
340 |
glShadeModel (GL_SMOOTH); |
341 |
|
342 |
glEnable (GL_LIGHTING); |
343 |
glEnable (GL_LIGHT0); |
344 |
|
345 |
cgc = cgCreateContext (); |
346 |
|
347 |
vsh_profile = CG_PROFILE_ARBVP1; |
348 |
//if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30; |
349 |
//if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40; |
350 |
fsh_profile = CG_PROFILE_ARBFP1; |
351 |
//if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30; |
352 |
//if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40; |
353 |
|
354 |
vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0); |
355 |
CheckCgError (); |
356 |
cgGLLoadProgram (vsh); |
357 |
CheckCgError (); |
358 |
mv = cgGetNamedParameter (vsh, "WorldProj"); |
359 |
mvp = cgGetNamedParameter (vsh, "WorldViewProj"); |
360 |
lightpos = cgGetNamedParameter (vsh, "LightPos"); |
361 |
CheckCgError (); |
362 |
|
363 |
CGparameter g_Texture; // the texture parameter |
364 |
|
365 |
|
366 |
fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0); |
367 |
Texture t("o.jpg"); |
368 |
g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;) |
369 |
cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture |
370 |
CheckCgError (); |
371 |
cgGLLoadProgram (fsh); |
372 |
CheckCgError (); |
373 |
|
374 |
cgGLBindProgram (vsh); |
375 |
CheckCgError (); |
376 |
cgGLBindProgram (fsh); |
377 |
CheckCgError (); |
378 |
|
379 |
/* Loop until done. */ |
380 |
start_time = SDL_GetTicks (); |
381 |
frames = 0; |
382 |
|
383 |
while (!done) |
384 |
{ |
385 |
char *sdl_error; |
386 |
SDL_Event event; |
387 |
|
388 |
camera_angle += 180 * camera_velocity_angle * timer.diff; |
389 |
camera_angle2 += 180 * camera_velocity_angle2 * timer.diff; |
390 |
|
391 |
vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1); |
392 |
vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus; |
393 |
|
394 |
camera.d = matrix::rotation (camera_angle2, right) * geradeaus; |
395 |
camera.u = cross (camera.d, right); |
396 |
|
397 |
camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
398 |
camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
399 |
|
400 |
cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); |
401 |
|
402 |
glBindTexture (GL_TEXTURE_2D, t.texture); |
403 |
cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter |
404 |
|
405 |
#if 0 |
406 |
static GLfloat ry; |
407 |
ry += 0.001; |
408 |
camera.d.x = cos (ry); |
409 |
camera.d.z = sin (ry); |
410 |
//camera.d.y = sin (ry * 0.1); |
411 |
#endif |
412 |
|
413 |
camera.begin (); |
414 |
camera.pass (view::DEPTH); |
415 |
camera.pass (view::LIGHTED); |
416 |
camera.end (); |
417 |
|
418 |
SDL_GL_SwapBuffers (); |
419 |
timer.frame (); |
420 |
|
421 |
/* Check for error conditions. */ |
422 |
gl_error = glGetError (); |
423 |
|
424 |
if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); |
425 |
|
426 |
sdl_error = SDL_GetError (); |
427 |
|
428 |
if (sdl_error[0] != '\0') |
429 |
{ |
430 |
fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); |
431 |
SDL_ClearError (); |
432 |
} |
433 |
|
434 |
/* Allow the user to see what's happening */ |
435 |
//SDL_Delay (40); |
436 |
|
437 |
/* Check if there's a pending event. */ |
438 |
while (SDL_PollEvent (&event)) |
439 |
done = HandleEvent (&event); |
440 |
|
441 |
|
442 |
++frames; |
443 |
} |
444 |
|
445 |
/* Print out the frames per second */ |
446 |
this_time = SDL_GetTicks (); |
447 |
if (this_time != start_time) |
448 |
{ |
449 |
printf ("%2.2f FPS\n", |
450 |
((float) frames / (this_time - start_time)) * 1000.0); |
451 |
} |
452 |
|
453 |
if (global_image) |
454 |
{ |
455 |
SDL_FreeSurface (global_image); |
456 |
global_image = NULL; |
457 |
} |
458 |
if (global_texture) |
459 |
{ |
460 |
glDeleteTextures (1, &global_texture); |
461 |
global_texture = 0; |
462 |
} |
463 |
|
464 |
/* Destroy our GL context, etc. */ |
465 |
SDL_Quit (); |
466 |
return (0); |
467 |
} |
468 |
int |
469 |
main (int argc, char *argv[]) |
470 |
{ |
471 |
int i, logo; |
472 |
int numtests; |
473 |
int bpp = 0; |
474 |
int slowly; |
475 |
float gamma = 0.0; |
476 |
int noframe = 0; |
477 |
int fsaa = 0; |
478 |
|
479 |
logo = 0; |
480 |
slowly = 0; |
481 |
numtests = 1; |
482 |
for (i = 1; argv[i]; ++i) |
483 |
{ |
484 |
if (strcmp (argv[i], "-twice") == 0) |
485 |
{ |
486 |
++numtests; |
487 |
} |
488 |
if (strcmp (argv[i], "-slow") == 0) |
489 |
{ |
490 |
slowly = 1; |
491 |
} |
492 |
if (strcmp (argv[i], "-bpp") == 0) |
493 |
{ |
494 |
bpp = atoi (argv[++i]); |
495 |
} |
496 |
if (strcmp (argv[i], "-gamma") == 0) |
497 |
{ |
498 |
gamma = (float) atof (argv[++i]); |
499 |
} |
500 |
if (strcmp (argv[i], "-noframe") == 0) |
501 |
{ |
502 |
noframe = 1; |
503 |
} |
504 |
if (strcmp (argv[i], "-fsaa") == 0) |
505 |
{ |
506 |
++fsaa; |
507 |
} |
508 |
if (strncmp (argv[i], "-h", 2) == 0) |
509 |
{ |
510 |
printf |
511 |
("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n", |
512 |
argv[0]); |
513 |
exit (0); |
514 |
} |
515 |
} |
516 |
|
517 |
for (i = 0; i < numtests; ++i) |
518 |
RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa); |
519 |
|
520 |
return 0; |
521 |
} |