cvsroot/libgender/test.C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "SDL.h"

#include "SDL_opengl.h"

/* Undefine this if you want a flat cube instead of a rainbow cube */
#define SHADED_CUBE

/* Define this to be the name of the logo image to use with -logo */
#define LOGO_FILE       "icon.bmp"

static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;

#include "entity.h"

#include "txtprt_import.h"

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

view camera;

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.p.z -= 1;
      if (event->key.keysym.sym == SDLK_DOWN)
        camera.p.z += 1;
      if (event->key.keysym.sym == SDLK_LEFT)
        camera.p.x -= 1;
      if (event->key.keysym.sym == SDLK_RIGHT)
        camera.p.x += 1;

      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_QUIT:
      done = 1;
      break;
    }

  return (done);
}

/* Quick utility function for texture creation */
static int
power_of_two (int input)
{
  int value = 1;

  while (value < input)
    {
      value <<= 1;
    }
  return value;
}

GLuint
SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
{
  GLuint texture;
  int w, h;
  SDL_Surface *image;
  SDL_Rect area;
  Uint32 saved_flags;
  Uint8 saved_alpha;

  /* Use the surface width and height expanded to powers of 2 */
  w = power_of_two (surface->w);
  h = power_of_two (surface->h);
  texcoord[0] = 0.0f;           /* Min X */
  texcoord[1] = 0.0f;           /* Min Y */
  texcoord[2] = (GLfloat) surface->w / w;       /* Max X */
  texcoord[3] = (GLfloat) surface->h / h;       /* Max Y */

  image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
#if SDL_BYTEORDER == SDL_LIL_ENDIAN     /* OpenGL RGBA masks */
                                0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
#else
                                0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
#endif
    );
  if (image == NULL)
    {
      return 0;
    }

  /* Save the alpha blending attributes */
  saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
  saved_alpha = surface->format->alpha;
  if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
    {
      SDL_SetAlpha (surface, 0, 0);
    }

  /* Copy the surface into the GL texture image */
  area.x = 0;
  area.y = 0;
  area.w = surface->w;
  area.h = surface->h;
  SDL_BlitSurface (surface, &area, image, &area);

  /* Restore the alpha blending attributes */
  if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
    {
      SDL_SetAlpha (surface, saved_flags, saved_alpha);
    }

  /* Create an OpenGL texture for the image */
  glGenTextures (1, &texture);
  glBindTexture (GL_TEXTURE_2D, texture);
  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  glTexImage2D (GL_TEXTURE_2D,
                0,
                GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
  SDL_FreeSurface (image);      /* No longer needed */

  return texture;
}

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);

  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);
  glDepthFunc (GL_LESS);
  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);

  /* Loop until done. */
  start_time = SDL_GetTicks ();
  frames = 0;
  while (!done)
    {
      GLenum gl_error;
      char *sdl_error;
      SDL_Event event;

      /* Do our drawing, too. */
      glClearColor (0.0, 0.0, 0.0, 1.0);
      glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

      GLfloat lightp[4];
      lightp[0] = camera.p.x;
      lightp[1] = camera.p.y;
      lightp[2] = camera.p.z;
      lightp[3] = 1;
      glLightfv (GL_LIGHT0, GL_POSITION, lightp);

#if 0
      static GLfloat ry;
      ry += 0.03;
      v.d.x = cos (ry);
      v.d.z = sin (ry);
#endif

      draw_context c;
      c.mode = draw_context::LIGHTED;
      camera.draw (c);

      SDL_GL_SwapBuffers ();

      /* 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;

  // load a entity
  for (int i = 0; i < 1; i++) {
  txtprt_parser p;
  entity *e;
  try {
     e = p.read ("test.blasc");
  } catch (txtprt_i_exception & e) {
     cout << "ERR: " << e.msg << endl;
  }
  e->orig.x += i;
  e->orig.y += i;
  e->orig.z += i;
  e->show ();
  printf ("load entity %p -> %p\n", e, e->content ());
  }

  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:	1.12
Committed:	Sun Oct 3 20:14:33 2004 UTC (21 years, 11 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+8 -5 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
8			#include "SDL_opengl.h"
9
10			/* Undefine this if you want a flat cube instead of a rainbow cube */
11			#define SHADED_CUBE
12
13			/* Define this to be the name of the logo image to use with -logo */
14			#define LOGO_FILE "icon.bmp"
15
16			static SDL_Surface *global_image = NULL;
17			static GLuint global_texture = 0;
18
19	root	1.2	#include "entity.h"
20
21	root	1.4	#include "txtprt_import.h"
22
23	root	1.1	/**********************************************************************/
24
25	root	1.6	view camera;
26
27	root	1.1	void
28			HotKey_ToggleFullScreen (void)
29			{
30			SDL_Surface *screen;
31
32			screen = SDL_GetVideoSurface ();
33			if (SDL_WM_ToggleFullScreen (screen))
34	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
35			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
36	root	1.1	else
37	root	1.5	printf ("Unable to toggle fullscreen mode\n");
38	root	1.1	}
39
40			void
41			HotKey_ToggleGrab (void)
42			{
43			SDL_GrabMode mode;
44
45			printf ("Ctrl-G: toggling input grab!\n");
46			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
47			if (mode == SDL_GRAB_ON)
48	root	1.5	printf ("Grab was on\n");
49	root	1.1	else
50	root	1.5	printf ("Grab was off\n");
51	root	1.1
52			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
53			if (mode == SDL_GRAB_ON)
54	root	1.5	printf ("Grab is now on\n");
55	root	1.1	else
56	root	1.5	printf ("Grab is now off\n");
57	root	1.1	}
58
59			void
60			HotKey_Iconify (void)
61			{
62			printf ("Ctrl-Z: iconifying window!\n");
63			SDL_WM_IconifyWindow ();
64			}
65
66			int
67			HandleEvent (SDL_Event * event)
68			{
69			int done;
70
71			done = 0;
72			switch (event->type)
73			{
74			case SDL_ACTIVEEVENT:
75			/* See what happened */
76			printf ("app %s ", event->active.gain ? "gained" : "lost");
77			if (event->active.state & SDL_APPACTIVE)
78			{
79			printf ("active ");
80			}
81			else if (event->active.state & SDL_APPMOUSEFOCUS)
82			{
83			printf ("mouse ");
84			}
85			else if (event->active.state & SDL_APPINPUTFOCUS)
86			{
87			printf ("input ");
88			}
89
90			printf ("focus\n");
91			break;
92
93			case SDL_KEYDOWN:
94	root	1.6
95			if (event->key.keysym.sym == SDLK_UP)
96			camera.p.z -= 1;
97			if (event->key.keysym.sym == SDLK_DOWN)
98			camera.p.z += 1;
99			if (event->key.keysym.sym == SDLK_LEFT)
100			camera.p.x -= 1;
101			if (event->key.keysym.sym == SDLK_RIGHT)
102			camera.p.x += 1;
103
104	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
105	root	1.6	done = 1;
106	root	1.1
107			if ((event->key.keysym.sym == SDLK_g) &&
108			(event->key.keysym.mod & KMOD_CTRL))
109	root	1.6	HotKey_ToggleGrab ();
110	root	1.1
111			if ((event->key.keysym.sym == SDLK_z) &&
112			(event->key.keysym.mod & KMOD_CTRL))
113	root	1.6	HotKey_Iconify ();
114	root	1.1
115			if ((event->key.keysym.sym == SDLK_RETURN) &&
116			(event->key.keysym.mod & KMOD_ALT))
117	root	1.6	HotKey_ToggleFullScreen ();
118	root	1.1
119			break;
120
121			case SDL_QUIT:
122			done = 1;
123			break;
124			}
125
126			return (done);
127			}
128
129			/* Quick utility function for texture creation */
130			static int
131			power_of_two (int input)
132			{
133			int value = 1;
134
135			while (value < input)
136			{
137			value <<= 1;
138			}
139			return value;
140			}
141
142			GLuint
143			SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
144			{
145			GLuint texture;
146			int w, h;
147			SDL_Surface *image;
148			SDL_Rect area;
149			Uint32 saved_flags;
150			Uint8 saved_alpha;
151
152			/* Use the surface width and height expanded to powers of 2 */
153			w = power_of_two (surface->w);
154			h = power_of_two (surface->h);
155			texcoord[0] = 0.0f; /* Min X */
156			texcoord[1] = 0.0f; /* Min Y */
157			texcoord[2] = (GLfloat) surface->w / w; /* Max X */
158			texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
159
160			image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
161			#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
162			0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
163			#else
164			0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
165			#endif
166			);
167			if (image == NULL)
168			{
169			return 0;
170			}
171
172			/* Save the alpha blending attributes */
173			saved_flags = surface->flags & (SDL_SRCALPHA \| SDL_RLEACCELOK);
174			saved_alpha = surface->format->alpha;
175			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
176			{
177			SDL_SetAlpha (surface, 0, 0);
178			}
179
180			/* Copy the surface into the GL texture image */
181			area.x = 0;
182			area.y = 0;
183			area.w = surface->w;
184			area.h = surface->h;
185			SDL_BlitSurface (surface, &area, image, &area);
186
187			/* Restore the alpha blending attributes */
188			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
189			{
190			SDL_SetAlpha (surface, saved_flags, saved_alpha);
191			}
192
193			/* Create an OpenGL texture for the image */
194			glGenTextures (1, &texture);
195			glBindTexture (GL_TEXTURE_2D, texture);
196			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
197			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
198			glTexImage2D (GL_TEXTURE_2D,
199			0,
200			GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
201			SDL_FreeSurface (image); /* No longer needed */
202
203			return texture;
204			}
205
206			int
207			RunGLTest (int argc, char *argv[],
208			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
209			{
210			int i;
211			int rgb_size[3];
212			int w = 640;
213			int h = 480;
214			int done = 0;
215			int frames;
216			Uint32 start_time, this_time;
217	root	1.2	Uint32 video_flags;
218	root	1.1	int value;
219
220			if (SDL_Init (SDL_INIT_VIDEO) < 0)
221			{
222			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
223			exit (1);
224			}
225
226			/* See if we should detect the display depth */
227			if (bpp == 0)
228			{
229			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
230	root	1.3	bpp = 8;
231	root	1.1	else
232	root	1.3	bpp = 16; /* More doesn't seem to work */
233	root	1.1	}
234
235	root	1.2	video_flags = SDL_OPENGL;
236
237	root	1.1	for (i = 1; argv[i]; ++i)
238	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
239			video_flags \|= SDL_FULLSCREEN;
240	root	1.1
241			if (noframe)
242	root	1.3	video_flags \|= SDL_NOFRAME;
243	root	1.1
244			/* Initialize the display */
245			switch (bpp)
246			{
247			case 8:
248			rgb_size[0] = 3;
249			rgb_size[1] = 3;
250			rgb_size[2] = 2;
251			break;
252	root	1.3
253	root	1.1	case 15:
254			case 16:
255			rgb_size[0] = 5;
256			rgb_size[1] = 5;
257			rgb_size[2] = 5;
258			break;
259	root	1.3
260	root	1.1	default:
261			rgb_size[0] = 8;
262			rgb_size[1] = 8;
263			rgb_size[2] = 8;
264			break;
265			}
266			SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
267			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
268			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
269			SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
270			SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
271	root	1.3
272	root	1.1	if (fsaa)
273			{
274			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
275			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
276			}
277	root	1.3
278	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
279			{
280			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
281			SDL_Quit ();
282			exit (1);
283			}
284
285			printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
286			printf ("\n");
287			printf ("Vendor : %s\n", glGetString (GL_VENDOR));
288			printf ("Renderer : %s\n", glGetString (GL_RENDERER));
289			printf ("Version : %s\n", glGetString (GL_VERSION));
290			printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
291			printf ("\n");
292
293			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
294			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
295			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
296			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
297			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
298			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
299			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
300			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
301			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
302			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
303	root	1.3
304	root	1.1	if (fsaa)
305			{
306			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
307			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
308			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
309			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
310			value);
311			}
312
313			/* Set the window manager title bar */
314	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
315	root	1.1
316			/* Set the gamma for the window */
317			if (gamma != 0.0)
318	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
319	root	1.1
320	root	1.6	camera.p = point (0, 0, 10);
321			camera.d = vec3 (0, 0, -1);
322			camera.u = vec3 (0, 1, 0);
323			camera.w = w; camera.h = h;
324			camera.fov = 90;
325	root	1.1
326			glMatrixMode (GL_MODELVIEW);
327			glLoadIdentity ();
328
329	root	1.12	//glEnable (GL_CULL_FACE);
330	root	1.1	glEnable (GL_DEPTH_TEST);
331			glDepthFunc (GL_LESS);
332	root	1.11	glShadeModel (GL_SMOOTH);
333	root	1.6
334	root	1.3	glEnable (GL_LIGHTING);
335	root	1.9	//GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
336	root	1.6	//glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
337	root	1.9	//glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
338	root	1.6	glEnable (GL_LIGHT0);
339	root	1.1
340			/* Loop until done. */
341			start_time = SDL_GetTicks ();
342			frames = 0;
343			while (!done)
344			{
345			GLenum gl_error;
346			char *sdl_error;
347			SDL_Event event;
348
349			/* Do our drawing, too. */
350			glClearColor (0.0, 0.0, 0.0, 1.0);
351			glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
352
353	root	1.6	GLfloat lightp[4];
354			lightp[0] = camera.p.x;
355			lightp[1] = camera.p.y;
356			lightp[2] = camera.p.z;
357			lightp[3] = 1;
358			glLightfv (GL_LIGHT0, GL_POSITION, lightp);
359
360	root	1.5	#if 0
361	root	1.3	static GLfloat ry;
362	root	1.5	ry += 0.03;
363	root	1.3	v.d.x = cos (ry);
364			v.d.z = sin (ry);
365	root	1.5	#endif
366	root	1.1
367	root	1.3	draw_context c;
368	root	1.9	c.mode = draw_context::LIGHTED;
369	root	1.6	camera.draw (c);
370	root	1.1
371			SDL_GL_SwapBuffers ();
372
373			/* Check for error conditions. */
374			gl_error = glGetError ();
375
376			if (gl_error != GL_NO_ERROR)
377	root	1.3	fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
378	root	1.1
379			sdl_error = SDL_GetError ();
380
381			if (sdl_error[0] != '\0')
382			{
383			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
384			SDL_ClearError ();
385			}
386
387			/* Allow the user to see what's happening */
388	root	1.9	//SDL_Delay (20);
389	root	1.1
390			/* Check if there's a pending event. */
391			while (SDL_PollEvent (&event))
392			{
393			done = HandleEvent (&event);
394			}
395			++frames;
396			}
397
398			/* Print out the frames per second */
399			this_time = SDL_GetTicks ();
400			if (this_time != start_time)
401			{
402			printf ("%2.2f FPS\n",
403			((float) frames / (this_time - start_time)) * 1000.0);
404			}
405
406			if (global_image)
407			{
408			SDL_FreeSurface (global_image);
409			global_image = NULL;
410			}
411			if (global_texture)
412			{
413			glDeleteTextures (1, &global_texture);
414			global_texture = 0;
415			}
416
417			/* Destroy our GL context, etc. */
418			SDL_Quit ();
419			return (0);
420			}
421
422			int
423			main (int argc, char *argv[])
424			{
425			int i, logo;
426			int numtests;
427			int bpp = 0;
428			int slowly;
429			float gamma = 0.0;
430			int noframe = 0;
431			int fsaa = 0;
432	root	1.4
433			// load a entity
434	root	1.12	for (int i = 0; i < 1; i++) {
435	root	1.4	txtprt_parser p;
436	root	1.8	entity *e;
437	root	1.4	try {
438	root	1.5	e = p.read ("test.blasc");
439	root	1.4	} catch (txtprt_i_exception & e) {
440			cout << "ERR: " << e.msg << endl;
441			}
442	root	1.12	e->orig.x += i;
443			e->orig.y += i;
444			e->orig.z += i;
445	root	1.8	e->show ();
446	root	1.12	printf ("load entity %p -> %p\n", e, e->content ());
447			}
448	root	1.1
449			logo = 0;
450			slowly = 0;
451			numtests = 1;
452			for (i = 1; argv[i]; ++i)
453			{
454			if (strcmp (argv[i], "-twice") == 0)
455			{
456			++numtests;
457			}
458			if (strcmp (argv[i], "-slow") == 0)
459			{
460			slowly = 1;
461			}
462			if (strcmp (argv[i], "-bpp") == 0)
463			{
464			bpp = atoi (argv[++i]);
465			}
466			if (strcmp (argv[i], "-gamma") == 0)
467			{
468			gamma = (float) atof (argv[++i]);
469			}
470			if (strcmp (argv[i], "-noframe") == 0)
471			{
472			noframe = 1;
473			}
474			if (strcmp (argv[i], "-fsaa") == 0)
475			{
476			++fsaa;
477			}
478			if (strncmp (argv[i], "-h", 2) == 0)
479			{
480			printf
481			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
482			argv[0]);
483			exit (0);
484			}
485			}
486			for (i = 0; i < numtests; ++i)
487			{
488			RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
489			}
490			return 0;
491			}