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"

#include "shader.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, 24);
  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);

  testmat = new test_material;

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

  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 ();
    }

#if 0
    {
      fisch (vec3 (0, 0, -2e9), 1e9, 8);
      //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 ();


  {
    geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
    entity *e = new entity (hf);
    e->move (vec3 (-100000, -100000 * 0.01, -100000));
    e->show ();
  }

  //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 = 40.;

  glEnable (GL_CULL_FACE);
  glDisable (GL_ALPHA_TEST);
  glDisable (GL_BLEND);

  /* Loop until done. */
  frames = 0;

  linear_light mylight;
  mylight.radius = 100000;
  mylight.c = colour (1., 1, 1, 1.);
  mylight.intensity = 1.2;

  pass pass_light (&mylight);

  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;

      mylight.orig = camera.orig;
      mylight.p = camera.p;

      //mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
      
      camera.begin ();
      camera.render (view::DEPTH, pass_depth);
      camera.render (view::POSTDEPTH, pass_depth);
      camera.render (view::LIGHTED, pass_light);
      camera.end ();

      SDL_GL_SwapBuffers ();
      timer.frame ();

#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:	1.79
Committed:	Thu Nov 4 03:58:32 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.78:	+6 -2 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	1.70	#include "shader.h"
19
20	root	1.1	/**********************************************************************/
21
22	root	1.6	view camera;
23	root	1.18	vec3 camera_velocity;
24	root	1.51	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
25	root	1.50	float camera_velocity_factor = 80;
26	root	1.6
27	root	1.1	void
28			HotKey_ToggleFullScreen (void)
29			{
30			SDL_Surface *screen;
31
32			screen = SDL_GetVideoSurface ();
33	root	1.73
34	root	1.1	if (SDL_WM_ToggleFullScreen (screen))
35	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
36			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
37	root	1.1	else
38	root	1.5	printf ("Unable to toggle fullscreen mode\n");
39	root	1.1	}
40
41			void
42			HotKey_ToggleGrab (void)
43			{
44			SDL_GrabMode mode;
45
46			printf ("Ctrl-G: toggling input grab!\n");
47			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
48	root	1.73
49	root	1.1	if (mode == SDL_GRAB_ON)
50	root	1.5	printf ("Grab was on\n");
51	root	1.1	else
52	root	1.5	printf ("Grab was off\n");
53	root	1.1
54			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
55	root	1.73
56	root	1.1	if (mode == SDL_GRAB_ON)
57	root	1.5	printf ("Grab is now on\n");
58	root	1.1	else
59	root	1.5	printf ("Grab is now off\n");
60	root	1.1	}
61
62			void
63			HotKey_Iconify (void)
64			{
65			printf ("Ctrl-Z: iconifying window!\n");
66			SDL_WM_IconifyWindow ();
67			}
68
69			int
70			HandleEvent (SDL_Event * event)
71			{
72			int done;
73
74			done = 0;
75	root	1.73
76	root	1.1	switch (event->type)
77			{
78			case SDL_ACTIVEEVENT:
79			/* See what happened */
80			printf ("app %s ", event->active.gain ? "gained" : "lost");
81			if (event->active.state & SDL_APPACTIVE)
82	root	1.62	printf ("active ");
83	root	1.1	else if (event->active.state & SDL_APPMOUSEFOCUS)
84	root	1.62	printf ("mouse ");
85	root	1.1	else if (event->active.state & SDL_APPINPUTFOCUS)
86	root	1.62	printf ("input ");
87	root	1.1
88			printf ("focus\n");
89			break;
90
91			case SDL_KEYDOWN:
92	root	1.51	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
93			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
94			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
95			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
96			if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
97			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
98			if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
99			if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
100			if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
101			if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
102	root	1.6
103	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
104	root	1.6	done = 1;
105	root	1.1
106			if ((event->key.keysym.sym == SDLK_g) &&
107			(event->key.keysym.mod & KMOD_CTRL))
108	root	1.6	HotKey_ToggleGrab ();
109	root	1.1
110			if ((event->key.keysym.sym == SDLK_z) &&
111			(event->key.keysym.mod & KMOD_CTRL))
112	root	1.6	HotKey_Iconify ();
113	root	1.1
114			if ((event->key.keysym.sym == SDLK_RETURN) &&
115			(event->key.keysym.mod & KMOD_ALT))
116	root	1.6	HotKey_ToggleFullScreen ();
117	root	1.1
118			break;
119
120	root	1.18	case SDL_KEYUP:
121	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
122			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
123	root	1.50	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
124			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
125	root	1.51	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
126			if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
127	root	1.50	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
128			if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
129	root	1.18	break;
130
131	root	1.1	case SDL_QUIT:
132			done = 1;
133			break;
134			}
135
136			return (done);
137			}
138
139	root	1.47	void draw_floor (int size, int dx, int dy, int dz)
140			{
141			int x, z, ry;
142
143	root	1.60	for (x = 0; x < 10; x++)
144	root	1.47	{
145	root	1.60	for (z = 0; z < 10; z++)
146	root	1.47	{
147	root	1.62	vector<vertex_t2f_n3f_v3f> pts;
148			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
149			pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
150			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
151			pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
152	root	1.47
153			geometry_quads *q = new geometry_quads;
154	root	1.78	//q->m = new simple_material;
155	root	1.47	q->set (pts);
156			entity *e = new entity (q);
157			e->move (vec3 (dx + x * size, dy, dz + z * size));
158			e->show ();
159			}
160			}
161			}
162
163	root	1.52	void draw_test_nurb ()
164			{
165	root	1.49	geometry_nurbs *q = new geometry_nurbs;
166			q->set ();
167			entity *e = new entity (q);
168			e->move (vec3 (10, 3, -4));
169			e->show ();
170			}
171
172	root	1.66	void fisch (vec3 center, GLfloat radius, int depth)
173			{
174			entity *planet = new entity (new geometry_sphere (radius));
175			planet->move (center);
176			planet->show ();
177
178			if (--depth)
179			{
180			GLfloat r2 = radius * .1F;
181			GLfloat r3 = radius + r2;
182
183			fisch (center + vec3 (r3, 0, 0), r2, depth);
184			fisch (center + vec3 (0, 0, r3), r2, depth);
185			fisch (center + vec3 (-r3, 0, 0), r2, depth);
186			}
187			}
188
189	root	1.54	extern void draw_level ();
190	root	1.1	int
191			RunGLTest (int argc, char *argv[],
192			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
193			{
194			int i;
195			int rgb_size[3];
196			int w = 640;
197			int h = 480;
198			int done = 0;
199			int frames;
200	root	1.2	Uint32 video_flags;
201	root	1.1	int value;
202	root	1.45	GLenum gl_error;
203	root	1.1
204			if (SDL_Init (SDL_INIT_VIDEO) < 0)
205			{
206			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
207			exit (1);
208			}
209
210			/* See if we should detect the display depth */
211			if (bpp == 0)
212			{
213			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
214	root	1.3	bpp = 8;
215	root	1.1	else
216	root	1.3	bpp = 16; /* More doesn't seem to work */
217	root	1.1	}
218
219	root	1.2	video_flags = SDL_OPENGL;
220
221	root	1.1	for (i = 1; argv[i]; ++i)
222	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
223			video_flags \|= SDL_FULLSCREEN;
224	root	1.1
225			if (noframe)
226	root	1.3	video_flags \|= SDL_NOFRAME;
227	root	1.1
228			/* Initialize the display */
229			switch (bpp)
230			{
231			case 8:
232			rgb_size[0] = 3;
233			rgb_size[1] = 3;
234			rgb_size[2] = 2;
235			break;
236	root	1.3
237	root	1.1	case 15:
238			case 16:
239			rgb_size[0] = 5;
240			rgb_size[1] = 5;
241			rgb_size[2] = 5;
242			break;
243	root	1.3
244	root	1.1	default:
245			rgb_size[0] = 8;
246			rgb_size[1] = 8;
247			rgb_size[2] = 8;
248			break;
249			}
250	root	1.18
251	root	1.1	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
252			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
253			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
254	root	1.69	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
255	root	1.1	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
256	root	1.3
257	root	1.1	if (fsaa)
258			{
259			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
260			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
261			}
262	root	1.3
263	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
264			{
265			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
266			SDL_Quit ();
267			exit (1);
268			}
269
270	root	1.69	//printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
271			//printf ("\n");
272			//printf ("Vendor : %s\n", glGetString (GL_VENDOR));
273			//printf ("Renderer : %s\n", glGetString (GL_RENDERER));
274			//printf ("Version : %s\n", glGetString (GL_VERSION));
275			//printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
276	root	1.1	printf ("\n");
277
278			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
279			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
280			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
281			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
282			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
283			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
284			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
285			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
286			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
287			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
288	root	1.3
289	root	1.1	if (fsaa)
290			{
291			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
292			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
293			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
294			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
295			value);
296			}
297
298			/* Set the window manager title bar */
299	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
300	root	1.1
301			/* Set the gamma for the window */
302			if (gamma != 0.0)
303	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
304	root	1.1
305	root	1.79	testmat = new test_material;
306
307	root	1.78	#if 0
308			entity *planet = new entity (new geometry_sphere (10));
309			planet->move (vec3 (0, 0, -20));
310			planet->show ();
311			#endif
312	root	1.60
313	root	1.56	for (int i = 0; i < 20; i++)
314	root	1.17	{
315	root	1.40	// load a entity
316	root	1.17	txtprt_parser p;
317	root	1.47	geometry *g;
318	root	1.17	try
319	root	1.40	{
320	root	1.47	g = p.read ("test.blasc");
321	root	1.40	}
322			catch (txtprt_i_exception & e)
323			{
324			cout << "ERR: " << e.msg << endl;
325			}
326
327	root	1.47	entity *e = new entity (g);
328			e->move (vec3 (i5, -3, -i10));
329			e->show ();
330	root	1.17	}
331	root	1.47
332	root	1.78	#if 0
333	root	1.60	{
334	root	1.67	fisch (vec3 (0, 0, -2e9), 1e9, 8);
335	root	1.66	//entity *planet = new entity (new geometry_sphere (1e9));
336			//planet->move (vec3 (0, 0, -1.5e9));
337			//planet->show ();
338	root	1.60	}
339
340			{
341			entity *planet = new entity (new geometry_sphere (4e15));
342			planet->move (vec3 (0, 0, 1e17));
343			planet->show ();
344			}
345
346	root	1.75	//draw_floor (10, -500, -10, -1000);
347	root	1.54	draw_level ();
348	root	1.73
349
350			{
351	root	1.75	geometry_heightfield *hf = new geometry_heightfield (100000., 100000.);
352			entity *e = new entity (hf);
353			e->move (vec3 (-100000, -100000 * 0.01, -100000));
354	root	1.73	e->show ();
355			}
356
357	root	1.60	//draw_test_nurb ();
358			#endif
359	root	1.47
360	root	1.55	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
361			camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
362	root	1.6	camera.p = point (0, 0, 10);
363			camera.d = vec3 (0, 0, -1);
364			camera.u = vec3 (0, 1, 0);
365			camera.w = w; camera.h = h;
366	root	1.67	camera.fov = 40.;
367	root	1.1
368	root	1.41	glEnable (GL_CULL_FACE);
369	root	1.65	glDisable (GL_ALPHA_TEST);
370			glDisable (GL_BLEND);
371	root	1.29
372	root	1.1	/* Loop until done. */
373			frames = 0;
374	root	1.16
375	root	1.78	linear_light mylight;
376			mylight.radius = 100000;
377	root	1.79	mylight.c = colour (1., 1, 1, 1.);
378			mylight.intensity = 1.2;
379	root	1.78
380			pass pass_light (&mylight);
381
382	root	1.1	while (!done)
383			{
384			char *sdl_error;
385			SDL_Event event;
386
387	root	1.51	camera_angle += 180 * camera_velocity_angle * timer.diff;
388			camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
389
390			vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
391			vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
392
393			camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
394			camera.u = cross (camera.d, right);
395
396	root	1.50	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
397			camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
398	root	1.18
399	root	1.78	mylight.orig = camera.orig;
400			mylight.p = camera.p;
401	root	1.1
402	root	1.79	//mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F);
403
404	root	1.34	camera.begin ();
405	root	1.76	camera.render (view::DEPTH, pass_depth);
406			camera.render (view::POSTDEPTH, pass_depth);
407	root	1.78	camera.render (view::LIGHTED, pass_light);
408	root	1.34	camera.end ();
409	root	1.1
410			SDL_GL_SwapBuffers ();
411	root	1.15	timer.frame ();
412	root	1.62
413			#if 0
414	root	1.1	/* Check for error conditions. */
415			gl_error = glGetError ();
416
417	root	1.45	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
418	root	1.1
419			sdl_error = SDL_GetError ();
420
421			if (sdl_error[0] != '\0')
422			{
423			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
424			SDL_ClearError ();
425			}
426
427			/* Allow the user to see what's happening */
428	root	1.51	//SDL_Delay (40);
429	root	1.62	#endif
430	root	1.1
431			/* Check if there's a pending event. */
432			while (SDL_PollEvent (&event))
433	root	1.18	done = HandleEvent (&event);
434	root	1.20
435	root	1.1	++frames;
436			}
437
438			if (global_image)
439			{
440			SDL_FreeSurface (global_image);
441			global_image = NULL;
442			}
443	root	1.73
444	root	1.1	if (global_texture)
445			{
446			glDeleteTextures (1, &global_texture);
447			global_texture = 0;
448			}
449
450			/* Destroy our GL context, etc. */
451			SDL_Quit ();
452			return (0);
453			}
454			int
455			main (int argc, char *argv[])
456			{
457			int i, logo;
458			int numtests;
459			int bpp = 0;
460			int slowly;
461			float gamma = 0.0;
462			int noframe = 0;
463			int fsaa = 0;
464	root	1.68
465	root	1.1	logo = 0;
466			slowly = 0;
467			numtests = 1;
468			for (i = 1; argv[i]; ++i)
469			{
470			if (strcmp (argv[i], "-twice") == 0)
471			{
472			++numtests;
473			}
474			if (strcmp (argv[i], "-slow") == 0)
475			{
476			slowly = 1;
477			}
478			if (strcmp (argv[i], "-bpp") == 0)
479			{
480			bpp = atoi (argv[++i]);
481			}
482			if (strcmp (argv[i], "-gamma") == 0)
483			{
484			gamma = (float) atof (argv[++i]);
485			}
486			if (strcmp (argv[i], "-noframe") == 0)
487			{
488			noframe = 1;
489			}
490			if (strcmp (argv[i], "-fsaa") == 0)
491			{
492			++fsaa;
493			}
494			if (strncmp (argv[i], "-h", 2) == 0)
495			{
496			printf
497			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
498			argv[0]);
499			exit (0);
500			}
501			}
502	root	1.17
503	root	1.1	for (i = 0; i < numtests; ++i)
504	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
505
506	root	1.1	return 0;
507			}