libgender/test.C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.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<vertex2d> pts;
          pts.push_back (vertex2d (point (   0, 0,    0), vec3 (0, 1, 0), texc (0, 0)));
          pts.push_back (vertex2d (point (   0, 0, size), vec3 (0, 1, 0), texc (0, 1)));
          pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1)));
          pts.push_back (vertex2d (point (size, 0,    0), vec3 (0, 1, 0), texc (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.;

  glMatrixMode (GL_MODELVIEW);
  glLoadIdentity ();

  glEnable (GL_CULL_FACE);
  glEnable (GL_DEPTH_TEST);

  glShadeModel (GL_SMOOTH);

  glEnable (GL_LIGHTING);
  glEnable (GL_LIGHT0);

  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.pass (view::DEPTH);
      camera.pass (view::LIGHTED);
      camera.end ();

      SDL_GL_SwapBuffers ();
      timer.frame ();

      osa_mat.end ();
      /* 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);

      /* 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:	1.60
Committed:	Mon Oct 11 00:05:48 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.59:	+21 -11 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 "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	/**********************************************************************/
17
18	view camera;
19	vec3 camera_velocity;
20	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
21	float camera_velocity_factor = 80;
22
23	void
24	HotKey_ToggleFullScreen (void)
25	{
26	SDL_Surface *screen;
27
28	screen = SDL_GetVideoSurface ();
29	if (SDL_WM_ToggleFullScreen (screen))
30	printf ("Toggled fullscreen mode - now %s\n",
31	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
32	else
33	printf ("Unable to toggle fullscreen mode\n");
34	}
35
36	void
37	HotKey_ToggleGrab (void)
38	{
39	SDL_GrabMode mode;
40
41	printf ("Ctrl-G: toggling input grab!\n");
42	mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
43	if (mode == SDL_GRAB_ON)
44	printf ("Grab was on\n");
45	else
46	printf ("Grab was off\n");
47
48	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
49	if (mode == SDL_GRAB_ON)
50	printf ("Grab is now on\n");
51	else
52	printf ("Grab is now off\n");
53	}
54
55	void
56	HotKey_Iconify (void)
57	{
58	printf ("Ctrl-Z: iconifying window!\n");
59	SDL_WM_IconifyWindow ();
60	}
61
62	int
63	HandleEvent (SDL_Event * event)
64	{
65	int done;
66
67	done = 0;
68	switch (event->type)
69	{
70	case SDL_ACTIVEEVENT:
71	/* See what happened */
72	printf ("app %s ", event->active.gain ? "gained" : "lost");
73	if (event->active.state & SDL_APPACTIVE)
74	{
75	printf ("active ");
76	}
77	else if (event->active.state & SDL_APPMOUSEFOCUS)
78	{
79	printf ("mouse ");
80	}
81	else if (event->active.state & SDL_APPINPUTFOCUS)
82	{
83	printf ("input ");
84	}
85
86	printf ("focus\n");
87	break;
88
89	case SDL_KEYDOWN:
90	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
91	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
92	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
93	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
94	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
95	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
96	if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
97	if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
98	if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
99	if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
100
101	if (event->key.keysym.sym == SDLK_ESCAPE)
102	done = 1;
103
104	if ((event->key.keysym.sym == SDLK_g) &&
105	(event->key.keysym.mod & KMOD_CTRL))
106	HotKey_ToggleGrab ();
107
108	if ((event->key.keysym.sym == SDLK_z) &&
109	(event->key.keysym.mod & KMOD_CTRL))
110	HotKey_Iconify ();
111
112	if ((event->key.keysym.sym == SDLK_RETURN) &&
113	(event->key.keysym.mod & KMOD_ALT))
114	HotKey_ToggleFullScreen ();
115
116	break;
117
118	case SDL_KEYUP:
119	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
120	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
121	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
122	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
123	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
124	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
125	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
126	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
127	break;
128
129	case SDL_QUIT:
130	done = 1;
131	break;
132	}
133
134	return (done);
135	}
136
137	void draw_floor (int size, int dx, int dy, int dz)
138	{
139	int x, z, ry;
140
141	for (x = 0; x < 10; x++)
142	{
143	for (z = 0; z < 10; z++)
144	{
145	vector<vertex2d> pts;
146	pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0)));
147	pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1)));
148	pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1)));
149	pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0)));
150
151	geometry_quads *q = new geometry_quads;
152	q->m = new simple_material;
153	q->set (pts);
154	entity *e = new entity (q);
155	e->move (vec3 (dx + x * size, dy, dz + z * size));
156	e->show ();
157	}
158	}
159	}
160
161	void draw_test_nurb ()
162	{
163	geometry_nurbs *q = new geometry_nurbs;
164	q->set ();
165	entity *e = new entity (q);
166	e->move (vec3 (10, 3, -4));
167	e->show ();
168	}
169
170	extern void draw_level ();
171	int
172	RunGLTest (int argc, char *argv[],
173	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
174	{
175	int i;
176	int rgb_size[3];
177	int w = 640;
178	int h = 480;
179	int done = 0;
180	int frames;
181	Uint32 start_time, this_time;
182	Uint32 video_flags;
183	int value;
184	GLenum gl_error;
185
186	if (SDL_Init (SDL_INIT_VIDEO) < 0)
187	{
188	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
189	exit (1);
190	}
191
192	/* See if we should detect the display depth */
193	if (bpp == 0)
194	{
195	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
196	bpp = 8;
197	else
198	bpp = 16; /* More doesn't seem to work */
199	}
200
201	video_flags = SDL_OPENGL;
202
203	for (i = 1; argv[i]; ++i)
204	if (strcmp (argv[1], "-fullscreen") == 0)
205	video_flags \|= SDL_FULLSCREEN;
206
207	if (noframe)
208	video_flags \|= SDL_NOFRAME;
209
210	/* Initialize the display */
211	switch (bpp)
212	{
213	case 8:
214	rgb_size[0] = 3;
215	rgb_size[1] = 3;
216	rgb_size[2] = 2;
217	break;
218
219	case 15:
220	case 16:
221	rgb_size[0] = 5;
222	rgb_size[1] = 5;
223	rgb_size[2] = 5;
224	break;
225
226	default:
227	rgb_size[0] = 8;
228	rgb_size[1] = 8;
229	rgb_size[2] = 8;
230	break;
231	}
232
233	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
234	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
235	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
236	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
237	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
238
239	if (fsaa)
240	{
241	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
242	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
243	}
244
245	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
246	{
247	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
248	SDL_Quit ();
249	exit (1);
250	}
251
252	printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
253	printf ("\n");
254	printf ("Vendor : %s\n", glGetString (GL_VENDOR));
255	printf ("Renderer : %s\n", glGetString (GL_RENDERER));
256	printf ("Version : %s\n", glGetString (GL_VERSION));
257	printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
258	printf ("\n");
259
260	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
261	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
262	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
263	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
264	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
265	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
266	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
267	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
268	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
269	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
270
271	if (fsaa)
272	{
273	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
274	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
275	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
276	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
277	value);
278	}
279
280	/* Set the window manager title bar */
281	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
282
283	/* Set the gamma for the window */
284	if (gamma != 0.0)
285	SDL_SetGamma (gamma, gamma, gamma);
286
287	entity *planet = new entity (new geometry_sphere (10));
288	planet->move (vec3 (0, 0, -20));
289	planet->show ();
290
291	#if 1
292	for (int i = 0; i < 20; i++)
293	{
294	// load a entity
295	txtprt_parser p;
296	geometry *g;
297	try
298	{
299	g = p.read ("test.blasc");
300	}
301	catch (txtprt_i_exception & e)
302	{
303	cout << "ERR: " << e.msg << endl;
304	}
305
306	entity *e = new entity (g);
307	e->move (vec3 (i5, -3, -i10));
308	e->show ();
309	}
310
311	{
312	entity *planet = new entity (new geometry_sphere (1e9));
313	planet->move (vec3 (0, 0, -1.5e9));
314	planet->show ();
315	}
316
317	{
318	entity *planet = new entity (new geometry_sphere (4e15));
319	planet->move (vec3 (0, 0, 1e17));
320	planet->show ();
321	}
322
323	draw_floor (10, -500, -10, -1000);
324	draw_level ();
325	//draw_test_nurb ();
326	#endif
327
328	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
329	camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
330	camera.p = point (0, 0, 10);
331	camera.d = vec3 (0, 0, -1);
332	camera.u = vec3 (0, 1, 0);
333	camera.w = w; camera.h = h;
334	camera.fov = 35;
335	camera.z_near = 1.;
336
337	glMatrixMode (GL_MODELVIEW);
338	glLoadIdentity ();
339
340	glEnable (GL_CULL_FACE);
341	glEnable (GL_DEPTH_TEST);
342
343	glShadeModel (GL_SMOOTH);
344
345	glEnable (GL_LIGHTING);
346	glEnable (GL_LIGHT0);
347
348	init_shaders ();
349
350	osama_material osa_mat;
351
352	/* Loop until done. */
353	start_time = SDL_GetTicks ();
354	frames = 0;
355
356	while (!done)
357	{
358	char *sdl_error;
359	SDL_Event event;
360
361	camera_angle += 180 * camera_velocity_angle * timer.diff;
362	camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
363
364	vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
365	vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
366
367	camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
368	camera.u = cross (camera.d, right);
369
370	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
371	camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
372
373	osa_mat.begin ();
374
375	camera.begin ();
376	camera.pass (view::DEPTH);
377	camera.pass (view::LIGHTED);
378	camera.end ();
379
380	SDL_GL_SwapBuffers ();
381	timer.frame ();
382
383	osa_mat.end ();
384	/* Check for error conditions. */
385	gl_error = glGetError ();
386
387	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
388
389	sdl_error = SDL_GetError ();
390
391	if (sdl_error[0] != '\0')
392	{
393	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
394	SDL_ClearError ();
395	}
396
397	/* Allow the user to see what's happening */
398	//SDL_Delay (40);
399
400	/* Check if there's a pending event. */
401	while (SDL_PollEvent (&event))
402	done = HandleEvent (&event);
403
404
405	++frames;
406	}
407
408	/* Print out the frames per second */
409	this_time = SDL_GetTicks ();
410	if (this_time != start_time)
411	{
412	printf ("%2.2f FPS\n",
413	((float) frames / (this_time - start_time)) * 1000.0);
414	}
415
416	if (global_image)
417	{
418	SDL_FreeSurface (global_image);
419	global_image = NULL;
420	}
421	if (global_texture)
422	{
423	glDeleteTextures (1, &global_texture);
424	global_texture = 0;
425	}
426
427	/* Destroy our GL context, etc. */
428	SDL_Quit ();
429	return (0);
430	}
431	int
432	main (int argc, char *argv[])
433	{
434	int i, logo;
435	int numtests;
436	int bpp = 0;
437	int slowly;
438	float gamma = 0.0;
439	int noframe = 0;
440	int fsaa = 0;
441
442	logo = 0;
443	slowly = 0;
444	numtests = 1;
445	for (i = 1; argv[i]; ++i)
446	{
447	if (strcmp (argv[i], "-twice") == 0)
448	{
449	++numtests;
450	}
451	if (strcmp (argv[i], "-slow") == 0)
452	{
453	slowly = 1;
454	}
455	if (strcmp (argv[i], "-bpp") == 0)
456	{
457	bpp = atoi (argv[++i]);
458	}
459	if (strcmp (argv[i], "-gamma") == 0)
460	{
461	gamma = (float) atof (argv[++i]);
462	}
463	if (strcmp (argv[i], "-noframe") == 0)
464	{
465	noframe = 1;
466	}
467	if (strcmp (argv[i], "-fsaa") == 0)
468	{
469	++fsaa;
470	}
471	if (strncmp (argv[i], "-h", 2) == 0)
472	{
473	printf
474	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
475	argv[0]);
476	exit (0);
477	}
478	}
479
480	for (i = 0; i < numtests; ++i)
481	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
482
483	return 0;
484	}