libgender/test.C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "opengl.h"

#include "SDL.h"
#include "SDL_opengl.h"

static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;

#include "util.h"
#include "entity.h"
#include "txtprt_import.h"

/**********************************************************************/

view camera;
vec3 camera_velocity;
float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
float camera_velocity_factor = 80;

void
HotKey_ToggleFullScreen (void)
{
  SDL_Surface *screen;

  screen = SDL_GetVideoSurface ();
  if (SDL_WM_ToggleFullScreen (screen))
    printf ("Toggled fullscreen mode - now %s\n",
            (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
  else
    printf ("Unable to toggle fullscreen mode\n");
}

void
HotKey_ToggleGrab (void)
{
  SDL_GrabMode mode;

  printf ("Ctrl-G: toggling input grab!\n");
  mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
  if (mode == SDL_GRAB_ON)
    printf ("Grab was on\n");
  else
    printf ("Grab was off\n");

  mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
  if (mode == SDL_GRAB_ON)
    printf ("Grab is now on\n");
  else
    printf ("Grab is now off\n");
}

void
HotKey_Iconify (void)
{
  printf ("Ctrl-Z: iconifying window!\n");
  SDL_WM_IconifyWindow ();
}

int
HandleEvent (SDL_Event * event)
{
  int done;

  done = 0;
  switch (event->type)
    {
    case SDL_ACTIVEEVENT:
      /* See what happened */
      printf ("app %s ", event->active.gain ? "gained" : "lost");
      if (event->active.state & SDL_APPACTIVE)
        printf ("active ");
      else if (event->active.state & SDL_APPMOUSEFOCUS)
        printf ("mouse ");
      else if (event->active.state & SDL_APPINPUTFOCUS)
        printf ("input ");

      printf ("focus\n");
      break;

    case SDL_KEYDOWN:
      if (event->key.keysym.sym == SDLK_UP)       camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_DOWN)     camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_RIGHT)    camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_LEFT)     camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_e)        camera_velocity.y--;
      if (event->key.keysym.sym == SDLK_q)        camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_v)        camera_velocity_factor *= 1.5;
      if (event->key.keysym.sym == SDLK_b)        camera_velocity_factor /= 1.5;

      if (event->key.keysym.sym == SDLK_ESCAPE)
        done = 1;

      if ((event->key.keysym.sym == SDLK_g) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_ToggleGrab ();

      if ((event->key.keysym.sym == SDLK_z) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_Iconify ();

      if ((event->key.keysym.sym == SDLK_RETURN) &&
          (event->key.keysym.mod & KMOD_ALT))
        HotKey_ToggleFullScreen ();

      break;

    case SDL_KEYUP:
      if (event->key.keysym.sym == SDLK_UP)    camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_DOWN)  camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_LEFT)  camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_e)     camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_q)     camera_velocity.y--;
      break;

    case SDL_QUIT:
      done = 1;
      break;
    }

  return (done);
}

void draw_floor (int size, int dx, int dy, int dz)
{
  int x, z, ry;

  for (x = 0; x < 10; x++)
    {
      for (z = 0; z < 10; z++)
        {
          vector<vertex_t2f_n3f_v3f> pts;
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0,    0), vec3 (0, 1, 0), tex2 (0, 0)));
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0,    0), vec3 (0, 1, 0), tex2 (1, 0)));

          geometry_quads *q = new geometry_quads;
          q->m = new simple_material;
          q->set (pts);
          entity *e = new entity (q);
          e->move (vec3 (dx + x * size, dy, dz + z * size));
          e->show ();
        }
    }
}

void draw_test_nurb ()
{
  geometry_nurbs *q = new geometry_nurbs;
  q->set ();
  entity *e = new entity (q);
  e->move (vec3 (10, 3, -4));
  e->show ();
}

extern void draw_level ();
int
RunGLTest (int argc, char *argv[],
           int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
{
  int i;
  int rgb_size[3];
  int w = 640;
  int h = 480;
  int done = 0;
  int frames;
  Uint32 start_time, this_time;
  Uint32 video_flags;
  int value;
      GLenum gl_error;

  if (SDL_Init (SDL_INIT_VIDEO) < 0)
    {
      fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
      exit (1);
    }

  /* See if we should detect the display depth */
  if (bpp == 0)
    {
      if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
        bpp = 8;
      else
        bpp = 16;               /* More doesn't seem to work */
    }

  video_flags = SDL_OPENGL;

  for (i = 1; argv[i]; ++i)
    if (strcmp (argv[1], "-fullscreen") == 0)
      video_flags |= SDL_FULLSCREEN;

  if (noframe)
    video_flags |= SDL_NOFRAME;

  /* Initialize the display */
  switch (bpp)
    {
    case 8:
      rgb_size[0] = 3;
      rgb_size[1] = 3;
      rgb_size[2] = 2;
      break;

    case 15:
    case 16:
      rgb_size[0] = 5;
      rgb_size[1] = 5;
      rgb_size[2] = 5;
      break;

    default:
      rgb_size[0] = 8;
      rgb_size[1] = 8;
      rgb_size[2] = 8;
      break;
    }

  SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
  SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
  SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
  SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
  SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);

  if (fsaa)
    {
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
    }

  if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
    {
      fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
      SDL_Quit ();
      exit (1);
    }

  printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
  printf ("\n");
  printf ("Vendor     : %s\n", glGetString (GL_VENDOR));
  printf ("Renderer   : %s\n", glGetString (GL_RENDERER));
  printf ("Version    : %s\n", glGetString (GL_VERSION));
  printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
  printf ("\n");

  SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
  printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
  SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
  printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
  SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
  printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
  SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
  printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
  SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
  printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);

  if (fsaa)
    {
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
      printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
      printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
              value);
    }

  /* Set the window manager title bar */
  SDL_WM_SetCaption ("libgender rendering test", "gendertest");

  /* Set the gamma for the window */
  if (gamma != 0.0)
    SDL_SetGamma (gamma, gamma, gamma);

    entity *planet = new entity (new geometry_sphere (10));
    planet->move (vec3 (0, 0, -20));
    planet->show ();

#if 1
  for (int i = 0; i < 20; i++)
    {
      // load a entity
      txtprt_parser p;
      geometry *g;
      try
        {
          g = p.read ("test.blasc");
        }
      catch (txtprt_i_exception & e)
        {
          cout << "ERR: " << e.msg << endl;
        }

      entity *e = new entity (g);
      e->move (vec3 (i*5, -3, -i*10));
      e->show ();
    }

    {
      entity *planet = new entity (new geometry_sphere (1e9));
      planet->move (vec3 (0, 0, -1.5e9));
      planet->show ();
    }

    {
      entity *planet = new entity (new geometry_sphere (4e15));
      planet->move (vec3 (0, 0, 1e17));
      planet->show ();
    }

  draw_floor (10, -500, -10, -1000);
  draw_level ();
  //draw_test_nurb ();
#endif

  //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
  camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
  camera.p = point (0, 0, 10);
  camera.d = vec3 (0, 0, -1);
  camera.u = vec3 (0, 1, 0);
  camera.w = w; camera.h = h;
  camera.fov = 35;
  camera.z_near = 1.;

  glEnable (GL_CULL_FACE);

  init_shaders ();

  osama_material osa_mat; 

  /* Loop until done. */
  start_time = SDL_GetTicks ();
  frames = 0;

  while (!done)
    {
      char *sdl_error;
      SDL_Event event;

      camera_angle  += 180 * camera_velocity_angle  * timer.diff;
      camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;

      vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
      vec3 right     = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;

      camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
      camera.u = cross (camera.d, right);

      camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
      camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;

      osa_mat.begin ();

      camera.begin ();
      camera.render (view::DEPTH);
      camera.render (view::POSTDEPTH);
      camera.render (view::LIGHTED);
      camera.end ();

      SDL_GL_SwapBuffers ();
      timer.frame ();

      osa_mat.end ();

#if 0
      /* Check for error conditions. */
      gl_error = glGetError ();

      if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);

      sdl_error = SDL_GetError ();

      if (sdl_error[0] != '\0')
        {
          fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
          SDL_ClearError ();
        }

      /* Allow the user to see what's happening */
      //SDL_Delay (40);
#endif

      /* Check if there's a pending event. */
      while (SDL_PollEvent (&event))
        done = HandleEvent (&event);


      ++frames;
    }

  /* Print out the frames per second */
  this_time = SDL_GetTicks ();
  if (this_time != start_time)
    {
      printf ("%2.2f FPS\n",
              ((float) frames / (this_time - start_time)) * 1000.0);
    }

  if (global_image)
    {
      SDL_FreeSurface (global_image);
      global_image = NULL;
    }
  if (global_texture)
    {
      glDeleteTextures (1, &global_texture);
      global_texture = 0;
    }

  /* Destroy our GL context, etc. */
  SDL_Quit ();
  return (0);
}
int
main (int argc, char *argv[])
{
  int i, logo;
  int numtests;
  int bpp = 0;
  int slowly;
  float gamma = 0.0;
  int noframe = 0;
  int fsaa = 0;

  logo = 0;
  slowly = 0;
  numtests = 1;
  for (i = 1; argv[i]; ++i)
    {
      if (strcmp (argv[i], "-twice") == 0)
        {
          ++numtests;
        }
      if (strcmp (argv[i], "-slow") == 0)
        {
          slowly = 1;
        }
      if (strcmp (argv[i], "-bpp") == 0)
        {
          bpp = atoi (argv[++i]);
        }
      if (strcmp (argv[i], "-gamma") == 0)
        {
          gamma = (float) atof (argv[++i]);
        }
      if (strcmp (argv[i], "-noframe") == 0)
        {
          noframe = 1;
        }
      if (strcmp (argv[i], "-fsaa") == 0)
        {
          ++fsaa;
        }
      if (strncmp (argv[i], "-h", 2) == 0)
        {
          printf
            ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
             argv[0]);
          exit (0);
        }
    }

  for (i = 0; i < numtests; ++i)
    RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);

  return 0;
}
Revision:	1.63
Committed:	Sun Oct 17 09:43:07 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.62:	+3 -3 lines
Log Message:	* empty log message *
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <string.h>
4	#include <math.h>
5
6	#include "opengl.h"
7
8	#include "SDL.h"
9	#include "SDL_opengl.h"
10
11	static SDL_Surface *global_image = NULL;
12	static GLuint global_texture = 0;
13
14	#include "util.h"
15	#include "entity.h"
16	#include "txtprt_import.h"
17
18	/**********************************************************************/
19
20	view camera;
21	vec3 camera_velocity;
22	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
23	float camera_velocity_factor = 80;
24
25	void
26	HotKey_ToggleFullScreen (void)
27	{
28	SDL_Surface *screen;
29
30	screen = SDL_GetVideoSurface ();
31	if (SDL_WM_ToggleFullScreen (screen))
32	printf ("Toggled fullscreen mode - now %s\n",
33	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
34	else
35	printf ("Unable to toggle fullscreen mode\n");
36	}
37
38	void
39	HotKey_ToggleGrab (void)
40	{
41	SDL_GrabMode mode;
42
43	printf ("Ctrl-G: toggling input grab!\n");
44	mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
45	if (mode == SDL_GRAB_ON)
46	printf ("Grab was on\n");
47	else
48	printf ("Grab was off\n");
49
50	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
51	if (mode == SDL_GRAB_ON)
52	printf ("Grab is now on\n");
53	else
54	printf ("Grab is now off\n");
55	}
56
57	void
58	HotKey_Iconify (void)
59	{
60	printf ("Ctrl-Z: iconifying window!\n");
61	SDL_WM_IconifyWindow ();
62	}
63
64	int
65	HandleEvent (SDL_Event * event)
66	{
67	int done;
68
69	done = 0;
70	switch (event->type)
71	{
72	case SDL_ACTIVEEVENT:
73	/* See what happened */
74	printf ("app %s ", event->active.gain ? "gained" : "lost");
75	if (event->active.state & SDL_APPACTIVE)
76	printf ("active ");
77	else if (event->active.state & SDL_APPMOUSEFOCUS)
78	printf ("mouse ");
79	else if (event->active.state & SDL_APPINPUTFOCUS)
80	printf ("input ");
81
82	printf ("focus\n");
83	break;
84
85	case SDL_KEYDOWN:
86	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
87	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
88	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
89	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
90	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
91	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
92	if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
93	if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
94	if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
95	if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
96
97	if (event->key.keysym.sym == SDLK_ESCAPE)
98	done = 1;
99
100	if ((event->key.keysym.sym == SDLK_g) &&
101	(event->key.keysym.mod & KMOD_CTRL))
102	HotKey_ToggleGrab ();
103
104	if ((event->key.keysym.sym == SDLK_z) &&
105	(event->key.keysym.mod & KMOD_CTRL))
106	HotKey_Iconify ();
107
108	if ((event->key.keysym.sym == SDLK_RETURN) &&
109	(event->key.keysym.mod & KMOD_ALT))
110	HotKey_ToggleFullScreen ();
111
112	break;
113
114	case SDL_KEYUP:
115	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
116	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
117	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
118	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
119	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
120	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
121	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
122	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
123	break;
124
125	case SDL_QUIT:
126	done = 1;
127	break;
128	}
129
130	return (done);
131	}
132
133	void draw_floor (int size, int dx, int dy, int dz)
134	{
135	int x, z, ry;
136
137	for (x = 0; x < 10; x++)
138	{
139	for (z = 0; z < 10; z++)
140	{
141	vector<vertex_t2f_n3f_v3f> pts;
142	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
143	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
144	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
145	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
146
147	geometry_quads *q = new geometry_quads;
148	q->m = new simple_material;
149	q->set (pts);
150	entity *e = new entity (q);
151	e->move (vec3 (dx + x * size, dy, dz + z * size));
152	e->show ();
153	}
154	}
155	}
156
157	void draw_test_nurb ()
158	{
159	geometry_nurbs *q = new geometry_nurbs;
160	q->set ();
161	entity *e = new entity (q);
162	e->move (vec3 (10, 3, -4));
163	e->show ();
164	}
165
166	extern void draw_level ();
167	int
168	RunGLTest (int argc, char *argv[],
169	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
170	{
171	int i;
172	int rgb_size[3];
173	int w = 640;
174	int h = 480;
175	int done = 0;
176	int frames;
177	Uint32 start_time, this_time;
178	Uint32 video_flags;
179	int value;
180	GLenum gl_error;
181
182	if (SDL_Init (SDL_INIT_VIDEO) < 0)
183	{
184	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
185	exit (1);
186	}
187
188	/* See if we should detect the display depth */
189	if (bpp == 0)
190	{
191	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
192	bpp = 8;
193	else
194	bpp = 16; /* More doesn't seem to work */
195	}
196
197	video_flags = SDL_OPENGL;
198
199	for (i = 1; argv[i]; ++i)
200	if (strcmp (argv[1], "-fullscreen") == 0)
201	video_flags \|= SDL_FULLSCREEN;
202
203	if (noframe)
204	video_flags \|= SDL_NOFRAME;
205
206	/* Initialize the display */
207	switch (bpp)
208	{
209	case 8:
210	rgb_size[0] = 3;
211	rgb_size[1] = 3;
212	rgb_size[2] = 2;
213	break;
214
215	case 15:
216	case 16:
217	rgb_size[0] = 5;
218	rgb_size[1] = 5;
219	rgb_size[2] = 5;
220	break;
221
222	default:
223	rgb_size[0] = 8;
224	rgb_size[1] = 8;
225	rgb_size[2] = 8;
226	break;
227	}
228
229	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
230	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
231	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
232	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
233	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
234
235	if (fsaa)
236	{
237	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
238	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
239	}
240
241	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
242	{
243	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
244	SDL_Quit ();
245	exit (1);
246	}
247
248	printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
249	printf ("\n");
250	printf ("Vendor : %s\n", glGetString (GL_VENDOR));
251	printf ("Renderer : %s\n", glGetString (GL_RENDERER));
252	printf ("Version : %s\n", glGetString (GL_VERSION));
253	printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
254	printf ("\n");
255
256	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
257	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
258	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
259	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
260	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
261	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
262	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
263	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
264	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
265	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
266
267	if (fsaa)
268	{
269	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
270	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
271	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
272	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
273	value);
274	}
275
276	/* Set the window manager title bar */
277	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
278
279	/* Set the gamma for the window */
280	if (gamma != 0.0)
281	SDL_SetGamma (gamma, gamma, gamma);
282
283	entity *planet = new entity (new geometry_sphere (10));
284	planet->move (vec3 (0, 0, -20));
285	planet->show ();
286
287	#if 1
288	for (int i = 0; i < 20; i++)
289	{
290	// load a entity
291	txtprt_parser p;
292	geometry *g;
293	try
294	{
295	g = p.read ("test.blasc");
296	}
297	catch (txtprt_i_exception & e)
298	{
299	cout << "ERR: " << e.msg << endl;
300	}
301
302	entity *e = new entity (g);
303	e->move (vec3 (i5, -3, -i10));
304	e->show ();
305	}
306
307	{
308	entity *planet = new entity (new geometry_sphere (1e9));
309	planet->move (vec3 (0, 0, -1.5e9));
310	planet->show ();
311	}
312
313	{
314	entity *planet = new entity (new geometry_sphere (4e15));
315	planet->move (vec3 (0, 0, 1e17));
316	planet->show ();
317	}
318
319	draw_floor (10, -500, -10, -1000);
320	draw_level ();
321	//draw_test_nurb ();
322	#endif
323
324	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
325	camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
326	camera.p = point (0, 0, 10);
327	camera.d = vec3 (0, 0, -1);
328	camera.u = vec3 (0, 1, 0);
329	camera.w = w; camera.h = h;
330	camera.fov = 35;
331	camera.z_near = 1.;
332
333	glEnable (GL_CULL_FACE);
334
335	init_shaders ();
336
337	osama_material osa_mat;
338
339	/* Loop until done. */
340	start_time = SDL_GetTicks ();
341	frames = 0;
342
343	while (!done)
344	{
345	char *sdl_error;
346	SDL_Event event;
347
348	camera_angle += 180 * camera_velocity_angle * timer.diff;
349	camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
350
351	vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
352	vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
353
354	camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
355	camera.u = cross (camera.d, right);
356
357	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
358	camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
359
360	osa_mat.begin ();
361
362	camera.begin ();
363	camera.render (view::DEPTH);
364	camera.render (view::POSTDEPTH);
365	camera.render (view::LIGHTED);
366	camera.end ();
367
368	SDL_GL_SwapBuffers ();
369	timer.frame ();
370
371	osa_mat.end ();
372
373	#if 0
374	/* Check for error conditions. */
375	gl_error = glGetError ();
376
377	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
378
379	sdl_error = SDL_GetError ();
380
381	if (sdl_error[0] != '\0')
382	{
383	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
384	SDL_ClearError ();
385	}
386
387	/* Allow the user to see what's happening */
388	//SDL_Delay (40);
389	#endif
390
391	/* Check if there's a pending event. */
392	while (SDL_PollEvent (&event))
393	done = HandleEvent (&event);
394
395
396	++frames;
397	}
398
399	/* Print out the frames per second */
400	this_time = SDL_GetTicks ();
401	if (this_time != start_time)
402	{
403	printf ("%2.2f FPS\n",
404	((float) frames / (this_time - start_time)) * 1000.0);
405	}
406
407	if (global_image)
408	{
409	SDL_FreeSurface (global_image);
410	global_image = NULL;
411	}
412	if (global_texture)
413	{
414	glDeleteTextures (1, &global_texture);
415	global_texture = 0;
416	}
417
418	/* Destroy our GL context, etc. */
419	SDL_Quit ();
420	return (0);
421	}
422	int
423	main (int argc, char *argv[])
424	{
425	int i, logo;
426	int numtests;
427	int bpp = 0;
428	int slowly;
429	float gamma = 0.0;
430	int noframe = 0;
431	int fsaa = 0;
432
433	logo = 0;
434	slowly = 0;
435	numtests = 1;
436	for (i = 1; argv[i]; ++i)
437	{
438	if (strcmp (argv[i], "-twice") == 0)
439	{
440	++numtests;
441	}
442	if (strcmp (argv[i], "-slow") == 0)
443	{
444	slowly = 1;
445	}
446	if (strcmp (argv[i], "-bpp") == 0)
447	{
448	bpp = atoi (argv[++i]);
449	}
450	if (strcmp (argv[i], "-gamma") == 0)
451	{
452	gamma = (float) atof (argv[++i]);
453	}
454	if (strcmp (argv[i], "-noframe") == 0)
455	{
456	noframe = 1;
457	}
458	if (strcmp (argv[i], "-fsaa") == 0)
459	{
460	++fsaa;
461	}
462	if (strncmp (argv[i], "-h", 2) == 0)
463	{
464	printf
465	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
466	argv[0]);
467	exit (0);
468	}
469	}
470
471	for (i = 0; i < numtests; ++i)
472	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
473
474	return 0;
475	}