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 *
#	User	Rev	Content
1	root	1.1	#include <stdlib.h>
2			#include <stdio.h>
3			#include <string.h>
4			#include <math.h>
5
6	root	1.62	#include "opengl.h"
7
8	root	1.1	#include "SDL.h"
9			#include "SDL_opengl.h"
10
11			static SDL_Surface *global_image = NULL;
12			static GLuint global_texture = 0;
13
14	root	1.29	#include "util.h"
15	root	1.2	#include "entity.h"
16	root	1.29	#include "txtprt_import.h"
17
18	root	1.1	/**********************************************************************/
19
20	root	1.6	view camera;
21	root	1.18	vec3 camera_velocity;
22	root	1.51	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
23	root	1.50	float camera_velocity_factor = 80;
24	root	1.6
25	root	1.1	void
26			HotKey_ToggleFullScreen (void)
27			{
28			SDL_Surface *screen;
29
30			screen = SDL_GetVideoSurface ();
31			if (SDL_WM_ToggleFullScreen (screen))
32	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
33			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
34	root	1.1	else
35	root	1.5	printf ("Unable to toggle fullscreen mode\n");
36	root	1.1	}
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	root	1.5	printf ("Grab was on\n");
47	root	1.1	else
48	root	1.5	printf ("Grab was off\n");
49	root	1.1
50			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
51			if (mode == SDL_GRAB_ON)
52	root	1.5	printf ("Grab is now on\n");
53	root	1.1	else
54	root	1.5	printf ("Grab is now off\n");
55	root	1.1	}
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	root	1.62	printf ("active ");
77	root	1.1	else if (event->active.state & SDL_APPMOUSEFOCUS)
78	root	1.62	printf ("mouse ");
79	root	1.1	else if (event->active.state & SDL_APPINPUTFOCUS)
80	root	1.62	printf ("input ");
81	root	1.1
82			printf ("focus\n");
83			break;
84
85			case SDL_KEYDOWN:
86	root	1.51	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	root	1.6
97	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
98	root	1.6	done = 1;
99	root	1.1
100			if ((event->key.keysym.sym == SDLK_g) &&
101			(event->key.keysym.mod & KMOD_CTRL))
102	root	1.6	HotKey_ToggleGrab ();
103	root	1.1
104			if ((event->key.keysym.sym == SDLK_z) &&
105			(event->key.keysym.mod & KMOD_CTRL))
106	root	1.6	HotKey_Iconify ();
107	root	1.1
108			if ((event->key.keysym.sym == SDLK_RETURN) &&
109			(event->key.keysym.mod & KMOD_ALT))
110	root	1.6	HotKey_ToggleFullScreen ();
111	root	1.1
112			break;
113
114	root	1.18	case SDL_KEYUP:
115	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
116			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
117	root	1.50	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
118			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
119	root	1.51	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
120			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
121	root	1.50	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
122			if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
123	root	1.18	break;
124
125	root	1.1	case SDL_QUIT:
126			done = 1;
127			break;
128			}
129
130			return (done);
131			}
132
133	root	1.47	void draw_floor (int size, int dx, int dy, int dz)
134			{
135			int x, z, ry;
136
137	root	1.60	for (x = 0; x < 10; x++)
138	root	1.47	{
139	root	1.60	for (z = 0; z < 10; z++)
140	root	1.47	{
141	root	1.62	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	root	1.47
147			geometry_quads *q = new geometry_quads;
148	root	1.57	q->m = new simple_material;
149	root	1.47	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	root	1.52	void draw_test_nurb ()
158			{
159	root	1.49	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	root	1.54	extern void draw_level ();
167	root	1.1	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	root	1.2	Uint32 video_flags;
179	root	1.1	int value;
180	root	1.45	GLenum gl_error;
181	root	1.1
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	root	1.3	bpp = 8;
193	root	1.1	else
194	root	1.3	bpp = 16; /* More doesn't seem to work */
195	root	1.1	}
196
197	root	1.2	video_flags = SDL_OPENGL;
198
199	root	1.1	for (i = 1; argv[i]; ++i)
200	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
201			video_flags \|= SDL_FULLSCREEN;
202	root	1.1
203			if (noframe)
204	root	1.3	video_flags \|= SDL_NOFRAME;
205	root	1.1
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	root	1.3
215	root	1.1	case 15:
216			case 16:
217			rgb_size[0] = 5;
218			rgb_size[1] = 5;
219			rgb_size[2] = 5;
220			break;
221	root	1.3
222	root	1.1	default:
223			rgb_size[0] = 8;
224			rgb_size[1] = 8;
225			rgb_size[2] = 8;
226			break;
227			}
228	root	1.18
229	root	1.1	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	root	1.3
235	root	1.1	if (fsaa)
236			{
237			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
238			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
239			}
240	root	1.3
241	root	1.1	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	root	1.3
267	root	1.1	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	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
278	root	1.1
279			/* Set the gamma for the window */
280			if (gamma != 0.0)
281	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
282	root	1.1
283	root	1.60	entity *planet = new entity (new geometry_sphere (10));
284			planet->move (vec3 (0, 0, -20));
285			planet->show ();
286
287			#if 1
288	root	1.56	for (int i = 0; i < 20; i++)
289	root	1.17	{
290	root	1.40	// load a entity
291	root	1.17	txtprt_parser p;
292	root	1.47	geometry *g;
293	root	1.17	try
294	root	1.40	{
295	root	1.47	g = p.read ("test.blasc");
296	root	1.40	}
297			catch (txtprt_i_exception & e)
298			{
299			cout << "ERR: " << e.msg << endl;
300			}
301
302	root	1.47	entity *e = new entity (g);
303			e->move (vec3 (i5, -3, -i10));
304			e->show ();
305	root	1.17	}
306	root	1.47
307	root	1.60	{
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	root	1.56	draw_floor (10, -500, -10, -1000);
320	root	1.54	draw_level ();
321	root	1.60	//draw_test_nurb ();
322			#endif
323	root	1.47
324	root	1.55	//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	root	1.6	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	root	1.46	camera.fov = 35;
331	root	1.53	camera.z_near = 1.;
332	root	1.1
333	root	1.41	glEnable (GL_CULL_FACE);
334	root	1.29
335	root	1.58	init_shaders ();
336	root	1.1
337	root	1.59	osama_material osa_mat;
338
339	root	1.1	/* Loop until done. */
340			start_time = SDL_GetTicks ();
341			frames = 0;
342	root	1.16
343	root	1.1	while (!done)
344			{
345			char *sdl_error;
346			SDL_Event event;
347
348	root	1.51	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	root	1.50	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	root	1.18
360	root	1.59	osa_mat.begin ();
361	root	1.1
362	root	1.34	camera.begin ();
363	root	1.63	camera.render (view::DEPTH);
364			camera.render (view::POSTDEPTH);
365			camera.render (view::LIGHTED);
366	root	1.34	camera.end ();
367	root	1.1
368			SDL_GL_SwapBuffers ();
369	root	1.15	timer.frame ();
370	root	1.1
371	root	1.59	osa_mat.end ();
372	root	1.62
373			#if 0
374	root	1.1	/* Check for error conditions. */
375			gl_error = glGetError ();
376
377	root	1.45	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
378	root	1.1
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	root	1.51	//SDL_Delay (40);
389	root	1.62	#endif
390	root	1.1
391			/* Check if there's a pending event. */
392			while (SDL_PollEvent (&event))
393	root	1.18	done = HandleEvent (&event);
394	root	1.20
395	root	1.18
396	root	1.1	++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	root	1.4
433	root	1.1	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	root	1.17
471	root	1.1	for (i = 0; i < numtests; ++i)
472	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
473
474	root	1.1	return 0;
475			}