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 ();
}

void fisch (vec3 center, GLfloat radius, int depth)
{
  entity *planet = new entity (new geometry_sphere (radius));
  planet->move (center);
  planet->show ();

  if (--depth)
    {
      GLfloat r2 = radius * .1F;
      GLfloat r3 = radius + r2;

      fisch (center + vec3 (r3, 0, 0), r2, depth);
      fisch (center + vec3 (0, 0, r3), r2, depth);
      fisch (center + vec3 (-r3, 0, 0), r2, depth);
    }
}

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 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 ();
    }

    {
      fisch (vec3 (0, 0, -2e9), 1e9, 10);
      //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);
  glDisable (GL_ALPHA_TEST);
  glDisable (GL_BLEND);

  init_shaders ();

  osama_material osa_mat; 

  /* Loop until done. */
  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;
    }

  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:	1.66
Committed:	Sun Oct 17 18:25:37 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.65:	+21 -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	void fisch (vec3 center, GLfloat radius, int depth)
167	{
168	entity *planet = new entity (new geometry_sphere (radius));
169	planet->move (center);
170	planet->show ();
171
172	if (--depth)
173	{
174	GLfloat r2 = radius * .1F;
175	GLfloat r3 = radius + r2;
176
177	fisch (center + vec3 (r3, 0, 0), r2, depth);
178	fisch (center + vec3 (0, 0, r3), r2, depth);
179	fisch (center + vec3 (-r3, 0, 0), r2, depth);
180	}
181	}
182
183	extern void draw_level ();
184	int
185	RunGLTest (int argc, char *argv[],
186	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
187	{
188	int i;
189	int rgb_size[3];
190	int w = 640;
191	int h = 480;
192	int done = 0;
193	int frames;
194	Uint32 video_flags;
195	int value;
196	GLenum gl_error;
197
198	if (SDL_Init (SDL_INIT_VIDEO) < 0)
199	{
200	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
201	exit (1);
202	}
203
204	/* See if we should detect the display depth */
205	if (bpp == 0)
206	{
207	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
208	bpp = 8;
209	else
210	bpp = 16; /* More doesn't seem to work */
211	}
212
213	video_flags = SDL_OPENGL;
214
215	for (i = 1; argv[i]; ++i)
216	if (strcmp (argv[1], "-fullscreen") == 0)
217	video_flags \|= SDL_FULLSCREEN;
218
219	if (noframe)
220	video_flags \|= SDL_NOFRAME;
221
222	/* Initialize the display */
223	switch (bpp)
224	{
225	case 8:
226	rgb_size[0] = 3;
227	rgb_size[1] = 3;
228	rgb_size[2] = 2;
229	break;
230
231	case 15:
232	case 16:
233	rgb_size[0] = 5;
234	rgb_size[1] = 5;
235	rgb_size[2] = 5;
236	break;
237
238	default:
239	rgb_size[0] = 8;
240	rgb_size[1] = 8;
241	rgb_size[2] = 8;
242	break;
243	}
244
245	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
246	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
247	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
248	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
249	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
250
251	if (fsaa)
252	{
253	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
254	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
255	}
256
257	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
258	{
259	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
260	SDL_Quit ();
261	exit (1);
262	}
263
264	printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
265	printf ("\n");
266	printf ("Vendor : %s\n", glGetString (GL_VENDOR));
267	printf ("Renderer : %s\n", glGetString (GL_RENDERER));
268	printf ("Version : %s\n", glGetString (GL_VERSION));
269	printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
270	printf ("\n");
271
272	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
273	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
274	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
275	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
276	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
277	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
278	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
279	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
280	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
281	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
282
283	if (fsaa)
284	{
285	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
286	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
287	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
288	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
289	value);
290	}
291
292	/* Set the window manager title bar */
293	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
294
295	/* Set the gamma for the window */
296	if (gamma != 0.0)
297	SDL_SetGamma (gamma, gamma, gamma);
298
299	entity *planet = new entity (new geometry_sphere (10));
300	planet->move (vec3 (0, 0, -20));
301	planet->show ();
302
303	#if 1
304	for (int i = 0; i < 20; i++)
305	{
306	// load a entity
307	txtprt_parser p;
308	geometry *g;
309	try
310	{
311	g = p.read ("test.blasc");
312	}
313	catch (txtprt_i_exception & e)
314	{
315	cout << "ERR: " << e.msg << endl;
316	}
317
318	entity *e = new entity (g);
319	e->move (vec3 (i5, -3, -i10));
320	e->show ();
321	}
322
323	{
324	fisch (vec3 (0, 0, -2e9), 1e9, 10);
325	//entity *planet = new entity (new geometry_sphere (1e9));
326	//planet->move (vec3 (0, 0, -1.5e9));
327	//planet->show ();
328	}
329
330	{
331	entity *planet = new entity (new geometry_sphere (4e15));
332	planet->move (vec3 (0, 0, 1e17));
333	planet->show ();
334	}
335
336	draw_floor (10, -500, -10, -1000);
337	draw_level ();
338	//draw_test_nurb ();
339	#endif
340
341	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
342	camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
343	camera.p = point (0, 0, 10);
344	camera.d = vec3 (0, 0, -1);
345	camera.u = vec3 (0, 1, 0);
346	camera.w = w; camera.h = h;
347	camera.fov = 35;
348	camera.z_near = 1.;
349
350	glEnable (GL_CULL_FACE);
351	glDisable (GL_ALPHA_TEST);
352	glDisable (GL_BLEND);
353
354	init_shaders ();
355
356	osama_material osa_mat;
357
358	/* Loop until done. */
359	frames = 0;
360
361	while (!done)
362	{
363	char *sdl_error;
364	SDL_Event event;
365
366	camera_angle += 180 * camera_velocity_angle * timer.diff;
367	camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
368
369	vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
370	vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
371
372	camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
373	camera.u = cross (camera.d, right);
374
375	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
376	camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
377
378	osa_mat.begin ();
379
380	camera.begin ();
381	camera.render (view::DEPTH);
382	camera.render (view::POSTDEPTH);
383	camera.render (view::LIGHTED);
384	camera.end ();
385
386	SDL_GL_SwapBuffers ();
387	timer.frame ();
388
389	osa_mat.end ();
390
391	#if 0
392	/* Check for error conditions. */
393	gl_error = glGetError ();
394
395	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
396
397	sdl_error = SDL_GetError ();
398
399	if (sdl_error[0] != '\0')
400	{
401	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
402	SDL_ClearError ();
403	}
404
405	/* Allow the user to see what's happening */
406	//SDL_Delay (40);
407	#endif
408
409	/* Check if there's a pending event. */
410	while (SDL_PollEvent (&event))
411	done = HandleEvent (&event);
412
413
414	++frames;
415	}
416
417	if (global_image)
418	{
419	SDL_FreeSurface (global_image);
420	global_image = NULL;
421	}
422	if (global_texture)
423	{
424	glDeleteTextures (1, &global_texture);
425	global_texture = 0;
426	}
427
428	/* Destroy our GL context, etc. */
429	SDL_Quit ();
430	return (0);
431	}
432	int
433	main (int argc, char *argv[])
434	{
435	int i, logo;
436	int numtests;
437	int bpp = 0;
438	int slowly;
439	float gamma = 0.0;
440	int noframe = 0;
441	int fsaa = 0;
442
443	logo = 0;
444	slowly = 0;
445	numtests = 1;
446	for (i = 1; argv[i]; ++i)
447	{
448	if (strcmp (argv[i], "-twice") == 0)
449	{
450	++numtests;
451	}
452	if (strcmp (argv[i], "-slow") == 0)
453	{
454	slowly = 1;
455	}
456	if (strcmp (argv[i], "-bpp") == 0)
457	{
458	bpp = atoi (argv[++i]);
459	}
460	if (strcmp (argv[i], "-gamma") == 0)
461	{
462	gamma = (float) atof (argv[++i]);
463	}
464	if (strcmp (argv[i], "-noframe") == 0)
465	{
466	noframe = 1;
467	}
468	if (strcmp (argv[i], "-fsaa") == 0)
469	{
470	++fsaa;
471	}
472	if (strncmp (argv[i], "-h", 2) == 0)
473	{
474	printf
475	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
476	argv[0]);
477	exit (0);
478	}
479	}
480
481	for (i = 0; i < numtests; ++i)
482	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
483
484	return 0;
485	}