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, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.59:	+21 -11 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			#include "SDL.h"
7			#include "SDL_opengl.h"
8
9			static SDL_Surface *global_image = NULL;
10			static GLuint global_texture = 0;
11
12	root	1.29	#include "util.h"
13	root	1.2	#include "entity.h"
14	root	1.29	#include "txtprt_import.h"
15
16	root	1.1	/**********************************************************************/
17
18	root	1.6	view camera;
19	root	1.18	vec3 camera_velocity;
20	root	1.51	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
21	root	1.50	float camera_velocity_factor = 80;
22	root	1.6
23	root	1.1	void
24			HotKey_ToggleFullScreen (void)
25			{
26			SDL_Surface *screen;
27
28			screen = SDL_GetVideoSurface ();
29			if (SDL_WM_ToggleFullScreen (screen))
30	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
31			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
32	root	1.1	else
33	root	1.5	printf ("Unable to toggle fullscreen mode\n");
34	root	1.1	}
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	root	1.5	printf ("Grab was on\n");
45	root	1.1	else
46	root	1.5	printf ("Grab was off\n");
47	root	1.1
48			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
49			if (mode == SDL_GRAB_ON)
50	root	1.5	printf ("Grab is now on\n");
51	root	1.1	else
52	root	1.5	printf ("Grab is now off\n");
53	root	1.1	}
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	root	1.51	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	root	1.6
101	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
102	root	1.6	done = 1;
103	root	1.1
104			if ((event->key.keysym.sym == SDLK_g) &&
105			(event->key.keysym.mod & KMOD_CTRL))
106	root	1.6	HotKey_ToggleGrab ();
107	root	1.1
108			if ((event->key.keysym.sym == SDLK_z) &&
109			(event->key.keysym.mod & KMOD_CTRL))
110	root	1.6	HotKey_Iconify ();
111	root	1.1
112			if ((event->key.keysym.sym == SDLK_RETURN) &&
113			(event->key.keysym.mod & KMOD_ALT))
114	root	1.6	HotKey_ToggleFullScreen ();
115	root	1.1
116			break;
117
118	root	1.18	case SDL_KEYUP:
119	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
120			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
121	root	1.50	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
122			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
123	root	1.51	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
124			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
125	root	1.50	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
126			if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
127	root	1.18	break;
128
129	root	1.1	case SDL_QUIT:
130			done = 1;
131			break;
132			}
133
134			return (done);
135			}
136
137	root	1.47	void draw_floor (int size, int dx, int dy, int dz)
138			{
139			int x, z, ry;
140
141	root	1.60	for (x = 0; x < 10; x++)
142	root	1.47	{
143	root	1.60	for (z = 0; z < 10; z++)
144	root	1.47	{
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	root	1.57	q->m = new simple_material;
153	root	1.47	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	root	1.52	void draw_test_nurb ()
162			{
163	root	1.49	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	root	1.54	extern void draw_level ();
171	root	1.1	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	root	1.2	Uint32 video_flags;
183	root	1.1	int value;
184	root	1.45	GLenum gl_error;
185	root	1.1
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	root	1.3	bpp = 8;
197	root	1.1	else
198	root	1.3	bpp = 16; /* More doesn't seem to work */
199	root	1.1	}
200
201	root	1.2	video_flags = SDL_OPENGL;
202
203	root	1.1	for (i = 1; argv[i]; ++i)
204	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
205			video_flags \|= SDL_FULLSCREEN;
206	root	1.1
207			if (noframe)
208	root	1.3	video_flags \|= SDL_NOFRAME;
209	root	1.1
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	root	1.3
219	root	1.1	case 15:
220			case 16:
221			rgb_size[0] = 5;
222			rgb_size[1] = 5;
223			rgb_size[2] = 5;
224			break;
225	root	1.3
226	root	1.1	default:
227			rgb_size[0] = 8;
228			rgb_size[1] = 8;
229			rgb_size[2] = 8;
230			break;
231			}
232	root	1.18
233	root	1.1	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	root	1.3
239	root	1.1	if (fsaa)
240			{
241			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
242			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
243			}
244	root	1.3
245	root	1.1	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	root	1.3
271	root	1.1	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	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
282	root	1.1
283			/* Set the gamma for the window */
284			if (gamma != 0.0)
285	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
286	root	1.1
287	root	1.60	entity *planet = new entity (new geometry_sphere (10));
288			planet->move (vec3 (0, 0, -20));
289			planet->show ();
290
291			#if 1
292	root	1.56	for (int i = 0; i < 20; i++)
293	root	1.17	{
294	root	1.40	// load a entity
295	root	1.17	txtprt_parser p;
296	root	1.47	geometry *g;
297	root	1.17	try
298	root	1.40	{
299	root	1.47	g = p.read ("test.blasc");
300	root	1.40	}
301			catch (txtprt_i_exception & e)
302			{
303			cout << "ERR: " << e.msg << endl;
304			}
305
306	root	1.47	entity *e = new entity (g);
307			e->move (vec3 (i5, -3, -i10));
308			e->show ();
309	root	1.17	}
310	root	1.47
311	root	1.60	{
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	root	1.56	draw_floor (10, -500, -10, -1000);
324	root	1.54	draw_level ();
325	root	1.60	//draw_test_nurb ();
326			#endif
327	root	1.47
328	root	1.55	//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	root	1.6	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	root	1.46	camera.fov = 35;
335	root	1.53	camera.z_near = 1.;
336	root	1.1
337			glMatrixMode (GL_MODELVIEW);
338			glLoadIdentity ();
339
340	root	1.41	glEnable (GL_CULL_FACE);
341	root	1.1	glEnable (GL_DEPTH_TEST);
342	root	1.22
343	root	1.11	glShadeModel (GL_SMOOTH);
344	root	1.6
345	root	1.3	glEnable (GL_LIGHTING);
346	root	1.6	glEnable (GL_LIGHT0);
347	root	1.29
348	root	1.58	init_shaders ();
349	root	1.1
350	root	1.59	osama_material osa_mat;
351
352	root	1.1	/* Loop until done. */
353			start_time = SDL_GetTicks ();
354			frames = 0;
355	root	1.16
356	root	1.1	while (!done)
357			{
358			char *sdl_error;
359			SDL_Event event;
360
361	root	1.51	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	root	1.50	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	root	1.18
373	root	1.59	osa_mat.begin ();
374	root	1.1
375	root	1.34	camera.begin ();
376			camera.pass (view::DEPTH);
377			camera.pass (view::LIGHTED);
378			camera.end ();
379	root	1.1
380			SDL_GL_SwapBuffers ();
381	root	1.15	timer.frame ();
382	root	1.1
383	root	1.59	osa_mat.end ();
384	root	1.1	/* Check for error conditions. */
385			gl_error = glGetError ();
386
387	root	1.45	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
388	root	1.1
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	root	1.51	//SDL_Delay (40);
399	root	1.1
400			/* Check if there's a pending event. */
401			while (SDL_PollEvent (&event))
402	root	1.18	done = HandleEvent (&event);
403	root	1.20
404	root	1.18
405	root	1.1	++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	root	1.4
442	root	1.1	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	root	1.17
480	root	1.1	for (i = 0; i < numtests; ++i)
481	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
482
483	root	1.1	return 0;
484			}