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"

CGcontext cgc;
CGprogram vsh, fsh;
CGparameter mv, mvp, lightpos;
CGprofile vsh_profile, fsh_profile;

static void CheckCgError(void)
{
  CGerror err = cgGetError();

  if (err != CG_NO_ERROR)
   {
     printf("CG error: %s\n", cgGetErrorString(err));
     exit(1);
   }
}

/**********************************************************************/

view camera;
vec3 camera_velocity;
float camera_angle = 0, camera_velocity_angle;
float camera_velocity_factor = 20;

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_LEFT)  camera_velocity.x--;
      if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++;
      if (event->key.keysym.sym == SDLK_a)     camera_velocity.y--;
      if (event->key.keysym.sym == SDLK_s)     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_e)     camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_q)     camera_velocity_angle--;

      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.x++;
      if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--;
      if (event->key.keysym.sym == SDLK_a)     camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_s)     camera_velocity.y--;
      if (event->key.keysym.sym == SDLK_e)     camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_q)     camera_velocity_angle++;
      break;

    case SDL_QUIT:
      done = 1;
      break;
    }

  return (done);
}

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;

  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);

  // load a entity
  for (int i = 0; i < 7; i++)
    {
      txtprt_parser p;
      entity_transform *f = new entity_transform;
      entity *e;
      try
      {
        e = p.read ("test.blasc");
      } catch (txtprt_i_exception & e)
      {
        cout << "ERR: " << e.msg << endl;
      }
      f->set (e);
      f->update (matrix::translation (vec3 (0, -1, -i*5)));
      f->show ();
    }

  camera.orig.x = camera.orig.y = 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 = 80;

  glMatrixMode (GL_MODELVIEW);
  glLoadIdentity ();

  //glEnable (GL_CULL_FACE);
  glEnable (GL_DEPTH_TEST);
  glEnable (GL_TEXTURE_2D); //texturing

  glShadeModel (GL_SMOOTH);

  glEnable (GL_LIGHTING);
  //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
  //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
  //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
  glEnable (GL_LIGHT0);

  cgc = cgCreateContext ();

  vsh_profile = CG_PROFILE_ARBVP1;
  //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
  //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
  fsh_profile = CG_PROFILE_ARBFP1;
  //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
  //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;

  vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
  CheckCgError ();
  cgGLLoadProgram (vsh);
  CheckCgError ();
  mv = cgGetNamedParameter (vsh, "WorldProj");
  mvp = cgGetNamedParameter (vsh, "WorldViewProj");
  lightpos = cgGetNamedParameter (vsh, "LightPos");
  CheckCgError ();

  CGparameter g_Texture; // the texture parameter


  fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
  Texture t("o.jpg");
  g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
  cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
  CheckCgError ();
  cgGLLoadProgram (fsh);
  CheckCgError ();

  cgGLBindProgram (vsh);
  CheckCgError ();
  cgGLBindProgram (fsh);
  CheckCgError ();

  /* Loop until done. */
  start_time = SDL_GetTicks ();
  frames = 0;


  while (!done)
    {
      GLenum gl_error;
      char *sdl_error;
      SDL_Event event;

      glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

      camera.p.x += camera_velocity_factor * camera_velocity.x * timer.diff;
      camera.p.y += camera_velocity_factor * camera_velocity.y * timer.diff;
      camera.p.z += camera_velocity_factor * camera_velocity.z * timer.diff;

      camera_angle += camera_velocity_factor * camera_velocity_angle * timer.diff;
      camera.d.z = -cos (camera_angle * 12 / 180.);
      camera.d.x = sin (camera_angle * 12 / 180.);

      cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);

      glBindTexture (GL_TEXTURE_2D, t.texture);
      cgGLEnableTextureParameter(g_Texture); // Enable the texture parameter 

#if 0
      static GLfloat ry;
      ry += 0.001;
      camera.d.x = cos (ry);
      camera.d.z = sin (ry);
      //camera.d.y = sin (ry * 0.1);
#endif

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

      SDL_GL_SwapBuffers ();
      timer.frame ();

      /* 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 (20);

      /* 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:	1.39
Committed:	Wed Oct 6 09:41:48 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.38:	+11 -0 lines
Log Message:	Texture mapping
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <string.h>
4	#include <math.h>
5
6	#include "SDL.h"
7	#include "SDL_opengl.h"
8
9	static SDL_Surface *global_image = NULL;
10	static GLuint global_texture = 0;
11
12	#include "util.h"
13	#include "entity.h"
14	#include "txtprt_import.h"
15
16	CGcontext cgc;
17	CGprogram vsh, fsh;
18	CGparameter mv, mvp, lightpos;
19	CGprofile vsh_profile, fsh_profile;
20
21	static void CheckCgError(void)
22	{
23	CGerror err = cgGetError();
24
25	if (err != CG_NO_ERROR)
26	{
27	printf("CG error: %s\n", cgGetErrorString(err));
28	exit(1);
29	}
30	}
31
32	/**********************************************************************/
33
34	view camera;
35	vec3 camera_velocity;
36	float camera_angle = 0, camera_velocity_angle;
37	float camera_velocity_factor = 20;
38
39	void
40	HotKey_ToggleFullScreen (void)
41	{
42	SDL_Surface *screen;
43
44	screen = SDL_GetVideoSurface ();
45	if (SDL_WM_ToggleFullScreen (screen))
46	printf ("Toggled fullscreen mode - now %s\n",
47	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
48	else
49	printf ("Unable to toggle fullscreen mode\n");
50	}
51
52	void
53	HotKey_ToggleGrab (void)
54	{
55	SDL_GrabMode mode;
56
57	printf ("Ctrl-G: toggling input grab!\n");
58	mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
59	if (mode == SDL_GRAB_ON)
60	printf ("Grab was on\n");
61	else
62	printf ("Grab was off\n");
63
64	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
65	if (mode == SDL_GRAB_ON)
66	printf ("Grab is now on\n");
67	else
68	printf ("Grab is now off\n");
69	}
70
71	void
72	HotKey_Iconify (void)
73	{
74	printf ("Ctrl-Z: iconifying window!\n");
75	SDL_WM_IconifyWindow ();
76	}
77
78	int
79	HandleEvent (SDL_Event * event)
80	{
81	int done;
82
83	done = 0;
84	switch (event->type)
85	{
86	case SDL_ACTIVEEVENT:
87	/* See what happened */
88	printf ("app %s ", event->active.gain ? "gained" : "lost");
89	if (event->active.state & SDL_APPACTIVE)
90	{
91	printf ("active ");
92	}
93	else if (event->active.state & SDL_APPMOUSEFOCUS)
94	{
95	printf ("mouse ");
96	}
97	else if (event->active.state & SDL_APPINPUTFOCUS)
98	{
99	printf ("input ");
100	}
101
102	printf ("focus\n");
103	break;
104
105	case SDL_KEYDOWN:
106	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
107	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
108	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
109	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++;
110	if (event->key.keysym.sym == SDLK_a) camera_velocity.y--;
111	if (event->key.keysym.sym == SDLK_s) camera_velocity.y++;
112	if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
113	if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
114	if (event->key.keysym.sym == SDLK_e) camera_velocity_angle++;
115	if (event->key.keysym.sym == SDLK_q) camera_velocity_angle--;
116
117	if (event->key.keysym.sym == SDLK_ESCAPE)
118	done = 1;
119
120	if ((event->key.keysym.sym == SDLK_g) &&
121	(event->key.keysym.mod & KMOD_CTRL))
122	HotKey_ToggleGrab ();
123
124	if ((event->key.keysym.sym == SDLK_z) &&
125	(event->key.keysym.mod & KMOD_CTRL))
126	HotKey_Iconify ();
127
128	if ((event->key.keysym.sym == SDLK_RETURN) &&
129	(event->key.keysym.mod & KMOD_ALT))
130	HotKey_ToggleFullScreen ();
131
132	break;
133
134	case SDL_KEYUP:
135	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
136	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
137	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++;
138	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--;
139	if (event->key.keysym.sym == SDLK_a) camera_velocity.y++;
140	if (event->key.keysym.sym == SDLK_s) camera_velocity.y--;
141	if (event->key.keysym.sym == SDLK_e) camera_velocity_angle--;
142	if (event->key.keysym.sym == SDLK_q) camera_velocity_angle++;
143	break;
144
145	case SDL_QUIT:
146	done = 1;
147	break;
148	}
149
150	return (done);
151	}
152
153	int
154	RunGLTest (int argc, char *argv[],
155	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
156	{
157	int i;
158	int rgb_size[3];
159	int w = 640;
160	int h = 480;
161	int done = 0;
162	int frames;
163	Uint32 start_time, this_time;
164	Uint32 video_flags;
165	int value;
166
167	if (SDL_Init (SDL_INIT_VIDEO) < 0)
168	{
169	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
170	exit (1);
171	}
172
173	/* See if we should detect the display depth */
174	if (bpp == 0)
175	{
176	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
177	bpp = 8;
178	else
179	bpp = 16; /* More doesn't seem to work */
180	}
181
182	video_flags = SDL_OPENGL;
183
184	for (i = 1; argv[i]; ++i)
185	if (strcmp (argv[1], "-fullscreen") == 0)
186	video_flags \|= SDL_FULLSCREEN;
187
188	if (noframe)
189	video_flags \|= SDL_NOFRAME;
190
191	/* Initialize the display */
192	switch (bpp)
193	{
194	case 8:
195	rgb_size[0] = 3;
196	rgb_size[1] = 3;
197	rgb_size[2] = 2;
198	break;
199
200	case 15:
201	case 16:
202	rgb_size[0] = 5;
203	rgb_size[1] = 5;
204	rgb_size[2] = 5;
205	break;
206
207	default:
208	rgb_size[0] = 8;
209	rgb_size[1] = 8;
210	rgb_size[2] = 8;
211	break;
212	}
213
214	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
215	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
216	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
217	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
218	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
219
220	if (fsaa)
221	{
222	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
223	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
224	}
225
226	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
227	{
228	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
229	SDL_Quit ();
230	exit (1);
231	}
232
233	printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
234	printf ("\n");
235	printf ("Vendor : %s\n", glGetString (GL_VENDOR));
236	printf ("Renderer : %s\n", glGetString (GL_RENDERER));
237	printf ("Version : %s\n", glGetString (GL_VERSION));
238	printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
239	printf ("\n");
240
241	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
242	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
243	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
244	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
245	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
246	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
247	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
248	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
249	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
250	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
251
252	if (fsaa)
253	{
254	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
255	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
256	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
257	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
258	value);
259	}
260
261	/* Set the window manager title bar */
262	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
263
264	/* Set the gamma for the window */
265	if (gamma != 0.0)
266	SDL_SetGamma (gamma, gamma, gamma);
267
268	// load a entity
269	for (int i = 0; i < 7; i++)
270	{
271	txtprt_parser p;
272	entity_transform *f = new entity_transform;
273	entity *e;
274	try
275	{
276	e = p.read ("test.blasc");
277	} catch (txtprt_i_exception & e)
278	{
279	cout << "ERR: " << e.msg << endl;
280	}
281	f->set (e);
282	f->update (matrix::translation (vec3 (0, -1, -i*5)));
283	f->show ();
284	}
285
286	camera.orig.x = camera.orig.y = camera.orig.z = 0;
287	camera.p = point (0, 0, 10);
288	camera.d = vec3 (0, 0, -1);
289	camera.u = vec3 (0, 1, 0);
290	camera.w = w; camera.h = h;
291	camera.fov = 80;
292
293	glMatrixMode (GL_MODELVIEW);
294	glLoadIdentity ();
295
296	//glEnable (GL_CULL_FACE);
297	glEnable (GL_DEPTH_TEST);
298	glEnable (GL_TEXTURE_2D); //texturing
299
300	glShadeModel (GL_SMOOTH);
301
302	glEnable (GL_LIGHTING);
303	//GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
304	//glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
305	//glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
306	glEnable (GL_LIGHT0);
307
308	cgc = cgCreateContext ();
309
310	vsh_profile = CG_PROFILE_ARBVP1;
311	//if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
312	//if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
313	fsh_profile = CG_PROFILE_ARBFP1;
314	//if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
315	//if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
316
317	vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
318	CheckCgError ();
319	cgGLLoadProgram (vsh);
320	CheckCgError ();
321	mv = cgGetNamedParameter (vsh, "WorldProj");
322	mvp = cgGetNamedParameter (vsh, "WorldViewProj");
323	lightpos = cgGetNamedParameter (vsh, "LightPos");
324	CheckCgError ();
325
326	CGparameter g_Texture; // the texture parameter
327
328
329	fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
330	Texture t("o.jpg");
331	g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
332	cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
333	CheckCgError ();
334	cgGLLoadProgram (fsh);
335	CheckCgError ();
336
337	cgGLBindProgram (vsh);
338	CheckCgError ();
339	cgGLBindProgram (fsh);
340	CheckCgError ();
341
342	/* Loop until done. */
343	start_time = SDL_GetTicks ();
344	frames = 0;
345
346
347	while (!done)
348	{
349	GLenum gl_error;
350	char *sdl_error;
351	SDL_Event event;
352
353	glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
354
355	camera.p.x += camera_velocity_factor * camera_velocity.x * timer.diff;
356	camera.p.y += camera_velocity_factor * camera_velocity.y * timer.diff;
357	camera.p.z += camera_velocity_factor * camera_velocity.z * timer.diff;
358
359	camera_angle += camera_velocity_factor * camera_velocity_angle * timer.diff;
360	camera.d.z = -cos (camera_angle * 12 / 180.);
361	camera.d.x = sin (camera_angle * 12 / 180.);
362
363	cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
364
365	glBindTexture (GL_TEXTURE_2D, t.texture);
366	cgGLEnableTextureParameter(g_Texture); // Enable the texture parameter
367
368	#if 0
369	static GLfloat ry;
370	ry += 0.001;
371	camera.d.x = cos (ry);
372	camera.d.z = sin (ry);
373	//camera.d.y = sin (ry * 0.1);
374	#endif
375
376	camera.begin ();
377	camera.pass (view::DEPTH);
378	camera.pass (view::LIGHTED);
379	camera.end ();
380
381	SDL_GL_SwapBuffers ();
382	timer.frame ();
383
384	/* Check for error conditions. */
385	gl_error = glGetError ();
386
387	if (gl_error != GL_NO_ERROR)
388	fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
389
390	sdl_error = SDL_GetError ();
391
392	if (sdl_error[0] != '\0')
393	{
394	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
395	SDL_ClearError ();
396	}
397
398	/* Allow the user to see what's happening */
399	//SDL_Delay (20);
400
401	/* Check if there's a pending event. */
402	while (SDL_PollEvent (&event))
403	done = HandleEvent (&event);
404
405
406	++frames;
407	}
408
409	/* Print out the frames per second */
410	this_time = SDL_GetTicks ();
411	if (this_time != start_time)
412	{
413	printf ("%2.2f FPS\n",
414	((float) frames / (this_time - start_time)) * 1000.0);
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
433	int
434	main (int argc, char *argv[])
435	{
436	int i, logo;
437	int numtests;
438	int bpp = 0;
439	int slowly;
440	float gamma = 0.0;
441	int noframe = 0;
442	int fsaa = 0;
443
444	logo = 0;
445	slowly = 0;
446	numtests = 1;
447	for (i = 1; argv[i]; ++i)
448	{
449	if (strcmp (argv[i], "-twice") == 0)
450	{
451	++numtests;
452	}
453	if (strcmp (argv[i], "-slow") == 0)
454	{
455	slowly = 1;
456	}
457	if (strcmp (argv[i], "-bpp") == 0)
458	{
459	bpp = atoi (argv[++i]);
460	}
461	if (strcmp (argv[i], "-gamma") == 0)
462	{
463	gamma = (float) atof (argv[++i]);
464	}
465	if (strcmp (argv[i], "-noframe") == 0)
466	{
467	noframe = 1;
468	}
469	if (strcmp (argv[i], "-fsaa") == 0)
470	{
471	++fsaa;
472	}
473	if (strncmp (argv[i], "-h", 2) == 0)
474	{
475	printf
476	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
477	argv[0]);
478	exit (0);
479	}
480	}
481
482	for (i = 0; i < numtests; ++i)
483	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
484
485	return 0;
486	}