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_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_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--;
      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 = 90;

  glMatrixMode (GL_MODELVIEW);
  glLoadIdentity ();

  glEnable (GL_CULL_FACE);
  glEnable (GL_DEPTH_TEST);

  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 ();

  fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
  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;

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

#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:	1.37
Committed:	Wed Oct 6 06:05:23 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.36:	+0 -77 lines
Log Message:	texture stuff 1
#	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			CGcontext cgc;
17			CGprogram vsh, fsh;
18	root	1.30	CGparameter mv, mvp, lightpos;
19	root	1.35	CGprofile vsh_profile, fsh_profile;
20	root	1.29
21			static void CheckCgError(void)
22			{
23			CGerror err = cgGetError();
24	root	1.2
25	root	1.29	if (err != CG_NO_ERROR)
26			{
27			printf("CG error: %s\n", cgGetErrorString(err));
28			exit(1);
29			}
30			}
31	root	1.4
32	root	1.1	/**********************************************************************/
33
34	root	1.6	view camera;
35	root	1.18	vec3 camera_velocity;
36	root	1.32	float camera_velocity_factor = 20;
37	root	1.6
38	root	1.1	void
39			HotKey_ToggleFullScreen (void)
40			{
41			SDL_Surface *screen;
42
43			screen = SDL_GetVideoSurface ();
44			if (SDL_WM_ToggleFullScreen (screen))
45	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
46			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
47	root	1.1	else
48	root	1.5	printf ("Unable to toggle fullscreen mode\n");
49	root	1.1	}
50
51			void
52			HotKey_ToggleGrab (void)
53			{
54			SDL_GrabMode mode;
55
56			printf ("Ctrl-G: toggling input grab!\n");
57			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
58			if (mode == SDL_GRAB_ON)
59	root	1.5	printf ("Grab was on\n");
60	root	1.1	else
61	root	1.5	printf ("Grab was off\n");
62	root	1.1
63			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
64			if (mode == SDL_GRAB_ON)
65	root	1.5	printf ("Grab is now on\n");
66	root	1.1	else
67	root	1.5	printf ("Grab is now off\n");
68	root	1.1	}
69
70			void
71			HotKey_Iconify (void)
72			{
73			printf ("Ctrl-Z: iconifying window!\n");
74			SDL_WM_IconifyWindow ();
75			}
76
77			int
78			HandleEvent (SDL_Event * event)
79			{
80			int done;
81
82			done = 0;
83			switch (event->type)
84			{
85			case SDL_ACTIVEEVENT:
86			/* See what happened */
87			printf ("app %s ", event->active.gain ? "gained" : "lost");
88			if (event->active.state & SDL_APPACTIVE)
89			{
90			printf ("active ");
91			}
92			else if (event->active.state & SDL_APPMOUSEFOCUS)
93			{
94			printf ("mouse ");
95			}
96			else if (event->active.state & SDL_APPINPUTFOCUS)
97			{
98			printf ("input ");
99			}
100
101			printf ("focus\n");
102			break;
103
104			case SDL_KEYDOWN:
105	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
106			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
107			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
108			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++;
109			if (event->key.keysym.sym == SDLK_a) camera_velocity.y--;
110			if (event->key.keysym.sym == SDLK_s) camera_velocity.y++;
111			if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
112			if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
113	root	1.6
114	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
115	root	1.6	done = 1;
116	root	1.1
117			if ((event->key.keysym.sym == SDLK_g) &&
118			(event->key.keysym.mod & KMOD_CTRL))
119	root	1.6	HotKey_ToggleGrab ();
120	root	1.1
121			if ((event->key.keysym.sym == SDLK_z) &&
122			(event->key.keysym.mod & KMOD_CTRL))
123	root	1.6	HotKey_Iconify ();
124	root	1.1
125			if ((event->key.keysym.sym == SDLK_RETURN) &&
126			(event->key.keysym.mod & KMOD_ALT))
127	root	1.6	HotKey_ToggleFullScreen ();
128	root	1.1
129			break;
130
131	root	1.18	case SDL_KEYUP:
132	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
133			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
134			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++;
135			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--;
136			if (event->key.keysym.sym == SDLK_a) camera_velocity.y++;
137			if (event->key.keysym.sym == SDLK_s) camera_velocity.y--;
138	root	1.18	break;
139
140	root	1.1	case SDL_QUIT:
141			done = 1;
142			break;
143			}
144
145			return (done);
146			}
147
148			int
149			RunGLTest (int argc, char *argv[],
150			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
151			{
152			int i;
153			int rgb_size[3];
154			int w = 640;
155			int h = 480;
156			int done = 0;
157			int frames;
158			Uint32 start_time, this_time;
159	root	1.2	Uint32 video_flags;
160	root	1.1	int value;
161
162			if (SDL_Init (SDL_INIT_VIDEO) < 0)
163			{
164			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
165			exit (1);
166			}
167
168			/* See if we should detect the display depth */
169			if (bpp == 0)
170			{
171			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
172	root	1.3	bpp = 8;
173	root	1.1	else
174	root	1.3	bpp = 16; /* More doesn't seem to work */
175	root	1.1	}
176
177	root	1.2	video_flags = SDL_OPENGL;
178
179	root	1.1	for (i = 1; argv[i]; ++i)
180	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
181			video_flags \|= SDL_FULLSCREEN;
182	root	1.1
183			if (noframe)
184	root	1.3	video_flags \|= SDL_NOFRAME;
185	root	1.1
186			/* Initialize the display */
187			switch (bpp)
188			{
189			case 8:
190			rgb_size[0] = 3;
191			rgb_size[1] = 3;
192			rgb_size[2] = 2;
193			break;
194	root	1.3
195	root	1.1	case 15:
196			case 16:
197			rgb_size[0] = 5;
198			rgb_size[1] = 5;
199			rgb_size[2] = 5;
200			break;
201	root	1.3
202	root	1.1	default:
203			rgb_size[0] = 8;
204			rgb_size[1] = 8;
205			rgb_size[2] = 8;
206			break;
207			}
208	root	1.18
209	root	1.1	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
210			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
211			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
212			SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
213			SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
214	root	1.3
215	root	1.1	if (fsaa)
216			{
217			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
218			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
219			}
220	root	1.3
221	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
222			{
223			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
224			SDL_Quit ();
225			exit (1);
226			}
227
228			printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
229			printf ("\n");
230			printf ("Vendor : %s\n", glGetString (GL_VENDOR));
231			printf ("Renderer : %s\n", glGetString (GL_RENDERER));
232			printf ("Version : %s\n", glGetString (GL_VERSION));
233			printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
234			printf ("\n");
235
236			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
237			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
238			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
239			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
240			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
241			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
242			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
243			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
244			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
245			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
246	root	1.3
247	root	1.1	if (fsaa)
248			{
249			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
250			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
251			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
252			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
253			value);
254			}
255
256			/* Set the window manager title bar */
257	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
258	root	1.1
259			/* Set the gamma for the window */
260			if (gamma != 0.0)
261	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
262	root	1.1
263	root	1.17	// load a entity
264			for (int i = 0; i < 7; i++)
265			{
266			txtprt_parser p;
267	root	1.18	entity_transform *f = new entity_transform;
268	root	1.17	entity *e;
269			try
270			{
271			e = p.read ("test.blasc");
272			} catch (txtprt_i_exception & e)
273			{
274			cout << "ERR: " << e.msg << endl;
275			}
276			f->set (e);
277	root	1.26	f->update (matrix::translation (vec3 (0, -1, -i*5)));
278	root	1.17	f->show ();
279			}
280
281	root	1.13	camera.orig.x = camera.orig.y = camera.orig.z = 0;
282	root	1.6	camera.p = point (0, 0, 10);
283			camera.d = vec3 (0, 0, -1);
284			camera.u = vec3 (0, 1, 0);
285			camera.w = w; camera.h = h;
286			camera.fov = 90;
287	root	1.1
288			glMatrixMode (GL_MODELVIEW);
289			glLoadIdentity ();
290
291	root	1.16	glEnable (GL_CULL_FACE);
292	root	1.1	glEnable (GL_DEPTH_TEST);
293	root	1.22
294	root	1.11	glShadeModel (GL_SMOOTH);
295	root	1.6
296	root	1.3	glEnable (GL_LIGHTING);
297	root	1.9	//GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
298	root	1.6	//glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
299	root	1.9	//glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
300	root	1.6	glEnable (GL_LIGHT0);
301	root	1.29
302			cgc = cgCreateContext ();
303	root	1.35
304			vsh_profile = CG_PROFILE_ARBVP1;
305	root	1.36	//if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
306			//if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
307	root	1.35	fsh_profile = CG_PROFILE_ARBFP1;
308	root	1.36	//if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
309			//if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
310	root	1.35
311			vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
312	root	1.29	CheckCgError ();
313			cgGLLoadProgram (vsh);
314			CheckCgError ();
315			mv = cgGetNamedParameter (vsh, "WorldProj");
316			mvp = cgGetNamedParameter (vsh, "WorldViewProj");
317	root	1.30	lightpos = cgGetNamedParameter (vsh, "LightPos");
318	root	1.29	CheckCgError ();
319
320	root	1.35	fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
321	root	1.30	CheckCgError ();
322	root	1.29	cgGLLoadProgram (fsh);
323	root	1.30	CheckCgError ();
324	root	1.29
325			cgGLBindProgram (vsh);
326	root	1.30	CheckCgError ();
327	root	1.29	cgGLBindProgram (fsh);
328	root	1.30	CheckCgError ();
329	root	1.1
330			/* Loop until done. */
331			start_time = SDL_GetTicks ();
332			frames = 0;
333	root	1.16
334	root	1.1	while (!done)
335			{
336			GLenum gl_error;
337			char *sdl_error;
338			SDL_Event event;
339
340			glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
341
342	root	1.19	camera.p.x += (camera_velocity_factor * camera_velocity.x) * timer.diff;
343			camera.p.y += (camera_velocity_factor * camera_velocity.y) * timer.diff;
344			camera.p.z += (camera_velocity_factor * camera_velocity.z) * timer.diff;
345	root	1.18
346	root	1.30	cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
347	root	1.6
348	root	1.5	#if 0
349	root	1.3	static GLfloat ry;
350	root	1.13	ry += 0.001;
351			camera.d.x = cos (ry);
352			camera.d.z = sin (ry);
353			//camera.d.y = sin (ry * 0.1);
354	root	1.5	#endif
355	root	1.1
356	root	1.34	camera.begin ();
357			camera.pass (view::DEPTH);
358			camera.pass (view::LIGHTED);
359			camera.end ();
360	root	1.1
361			SDL_GL_SwapBuffers ();
362	root	1.15	timer.frame ();
363	root	1.1
364			/* Check for error conditions. */
365			gl_error = glGetError ();
366
367			if (gl_error != GL_NO_ERROR)
368	root	1.3	fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
369	root	1.1
370			sdl_error = SDL_GetError ();
371
372			if (sdl_error[0] != '\0')
373			{
374			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
375			SDL_ClearError ();
376			}
377
378			/* Allow the user to see what's happening */
379	root	1.9	//SDL_Delay (20);
380	root	1.1
381			/* Check if there's a pending event. */
382			while (SDL_PollEvent (&event))
383	root	1.18	done = HandleEvent (&event);
384	root	1.20
385	root	1.18
386	root	1.1	++frames;
387			}
388
389			/* Print out the frames per second */
390			this_time = SDL_GetTicks ();
391			if (this_time != start_time)
392			{
393			printf ("%2.2f FPS\n",
394			((float) frames / (this_time - start_time)) * 1000.0);
395			}
396
397			if (global_image)
398			{
399			SDL_FreeSurface (global_image);
400			global_image = NULL;
401			}
402			if (global_texture)
403			{
404			glDeleteTextures (1, &global_texture);
405			global_texture = 0;
406			}
407
408			/* Destroy our GL context, etc. */
409			SDL_Quit ();
410			return (0);
411			}
412
413			int
414			main (int argc, char *argv[])
415			{
416			int i, logo;
417			int numtests;
418			int bpp = 0;
419			int slowly;
420			float gamma = 0.0;
421			int noframe = 0;
422			int fsaa = 0;
423	root	1.4
424	root	1.1	logo = 0;
425			slowly = 0;
426			numtests = 1;
427			for (i = 1; argv[i]; ++i)
428			{
429			if (strcmp (argv[i], "-twice") == 0)
430			{
431			++numtests;
432			}
433			if (strcmp (argv[i], "-slow") == 0)
434			{
435			slowly = 1;
436			}
437			if (strcmp (argv[i], "-bpp") == 0)
438			{
439			bpp = atoi (argv[++i]);
440			}
441			if (strcmp (argv[i], "-gamma") == 0)
442			{
443			gamma = (float) atof (argv[++i]);
444			}
445			if (strcmp (argv[i], "-noframe") == 0)
446			{
447			noframe = 1;
448			}
449			if (strcmp (argv[i], "-fsaa") == 0)
450			{
451			++fsaa;
452			}
453			if (strncmp (argv[i], "-h", 2) == 0)
454			{
455			printf
456			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
457			argv[0]);
458			exit (0);
459			}
460			}
461	root	1.17
462	root	1.1	for (i = 0; i < numtests; ++i)
463	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
464
465	root	1.1	return 0;
466			}