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"

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

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_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 ();
        }

      printf ("key '%s' pressed\n", SDL_GetKeyName (event->key.keysym.sym));
      break;

    case SDL_QUIT:
      done = 1;
      break;
    }

  return (done);
}

void
SDL_GL_Enter2DMode ()
{
  SDL_Surface *screen = SDL_GetVideoSurface ();

  /* Note, there may be other things you need to change,
     depending on how you have your OpenGL state set up.
   */
  glPushAttrib (GL_ENABLE_BIT);
  glDisable (GL_DEPTH_TEST);
  glDisable (GL_CULL_FACE);
  glEnable (GL_TEXTURE_2D);

  /* This allows alpha blending of 2D textures with the scene */
  glEnable (GL_BLEND);
  glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

  glViewport (0, 0, screen->w, screen->h);

  glMatrixMode (GL_PROJECTION);
  glPushMatrix ();
  glLoadIdentity ();

  glOrtho (0.0, (GLdouble) screen->w, (GLdouble) screen->h, 0.0, 0.0, 1.0);

  glMatrixMode (GL_MODELVIEW);
  glPushMatrix ();
  glLoadIdentity ();

  glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
}

void
SDL_GL_Leave2DMode ()
{
  glMatrixMode (GL_MODELVIEW);
  glPopMatrix ();

  glMatrixMode (GL_PROJECTION);
  glPopMatrix ();

  glPopAttrib ();
}

/* 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 ("SDL GL test", "testgl");

  /* Set the gamma for the window */
  if (gamma != 0.0)
    SDL_SetGamma (gamma, gamma, gamma);

  view v;
  v.p = point (0, 0, 0);
  v.d = vec3 (0, 0, -1);
  v.u = vec3 (0, 1, 0);
  v.w = w; v.h = h;
  v.fov = 90;

  glMatrixMode (GL_MODELVIEW);
  glLoadIdentity ();

  glEnable (GL_DEPTH_TEST);

  glDepthFunc (GL_LESS);

  glShadeModel (GL_SMOOTH);
  GLfloat ambient[4] = { 1, 1, 1, 1 };
  glEnable (GL_LIGHTING);
  glEnable (GL_COLOR_MATERIAL);
  glLightModelfv (GL_LIGHT_MODEL_AMBIENT, ambient);

  /* 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);

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

      draw_context c;
      v.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
  txtprt_parser p;
  entity_base *e;
  try {
     e = p.read ("test.blasc");
  } catch (txtprt_i_exception & e) {
     cout << "ERR: " << e.msg << endl;
  }
  world.add (e);

  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:	1.5
Committed:	Sun Oct 3 02:38:33 2004 UTC (22 years ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+13 -22 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			void
26			HotKey_ToggleFullScreen (void)
27			{
28			SDL_Surface *screen;
29
30			screen = SDL_GetVideoSurface ();
31			if (SDL_WM_ToggleFullScreen (screen))
32	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
33			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
34	root	1.1	else
35	root	1.5	printf ("Unable to toggle fullscreen mode\n");
36	root	1.1	}
37
38			void
39			HotKey_ToggleGrab (void)
40			{
41			SDL_GrabMode mode;
42
43			printf ("Ctrl-G: toggling input grab!\n");
44			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
45			if (mode == SDL_GRAB_ON)
46	root	1.5	printf ("Grab was on\n");
47	root	1.1	else
48	root	1.5	printf ("Grab was off\n");
49	root	1.1
50			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
51			if (mode == SDL_GRAB_ON)
52	root	1.5	printf ("Grab is now on\n");
53	root	1.1	else
54	root	1.5	printf ("Grab is now off\n");
55	root	1.1	}
56
57			void
58			HotKey_Iconify (void)
59			{
60			printf ("Ctrl-Z: iconifying window!\n");
61			SDL_WM_IconifyWindow ();
62			}
63
64			int
65			HandleEvent (SDL_Event * event)
66			{
67			int done;
68
69			done = 0;
70			switch (event->type)
71			{
72			case SDL_ACTIVEEVENT:
73			/* See what happened */
74			printf ("app %s ", event->active.gain ? "gained" : "lost");
75			if (event->active.state & SDL_APPACTIVE)
76			{
77			printf ("active ");
78			}
79			else if (event->active.state & SDL_APPMOUSEFOCUS)
80			{
81			printf ("mouse ");
82			}
83			else if (event->active.state & SDL_APPINPUTFOCUS)
84			{
85			printf ("input ");
86			}
87
88			printf ("focus\n");
89			break;
90
91			case SDL_KEYDOWN:
92			if (event->key.keysym.sym == SDLK_ESCAPE)
93			{
94			done = 1;
95			}
96
97			if ((event->key.keysym.sym == SDLK_g) &&
98			(event->key.keysym.mod & KMOD_CTRL))
99			{
100			HotKey_ToggleGrab ();
101			}
102
103			if ((event->key.keysym.sym == SDLK_z) &&
104			(event->key.keysym.mod & KMOD_CTRL))
105			{
106			HotKey_Iconify ();
107			}
108
109			if ((event->key.keysym.sym == SDLK_RETURN) &&
110			(event->key.keysym.mod & KMOD_ALT))
111			{
112			HotKey_ToggleFullScreen ();
113			}
114
115			printf ("key '%s' pressed\n", SDL_GetKeyName (event->key.keysym.sym));
116			break;
117
118			case SDL_QUIT:
119			done = 1;
120			break;
121			}
122
123			return (done);
124			}
125
126			void
127			SDL_GL_Enter2DMode ()
128			{
129			SDL_Surface *screen = SDL_GetVideoSurface ();
130
131			/* Note, there may be other things you need to change,
132			depending on how you have your OpenGL state set up.
133			*/
134			glPushAttrib (GL_ENABLE_BIT);
135			glDisable (GL_DEPTH_TEST);
136			glDisable (GL_CULL_FACE);
137			glEnable (GL_TEXTURE_2D);
138
139			/* This allows alpha blending of 2D textures with the scene */
140			glEnable (GL_BLEND);
141			glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
142
143			glViewport (0, 0, screen->w, screen->h);
144
145			glMatrixMode (GL_PROJECTION);
146			glPushMatrix ();
147			glLoadIdentity ();
148
149			glOrtho (0.0, (GLdouble) screen->w, (GLdouble) screen->h, 0.0, 0.0, 1.0);
150
151			glMatrixMode (GL_MODELVIEW);
152			glPushMatrix ();
153			glLoadIdentity ();
154
155			glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
156			}
157
158			void
159			SDL_GL_Leave2DMode ()
160			{
161			glMatrixMode (GL_MODELVIEW);
162			glPopMatrix ();
163
164			glMatrixMode (GL_PROJECTION);
165			glPopMatrix ();
166
167			glPopAttrib ();
168			}
169
170			/* Quick utility function for texture creation */
171			static int
172			power_of_two (int input)
173			{
174			int value = 1;
175
176			while (value < input)
177			{
178			value <<= 1;
179			}
180			return value;
181			}
182
183			GLuint
184			SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
185			{
186			GLuint texture;
187			int w, h;
188			SDL_Surface *image;
189			SDL_Rect area;
190			Uint32 saved_flags;
191			Uint8 saved_alpha;
192
193			/* Use the surface width and height expanded to powers of 2 */
194			w = power_of_two (surface->w);
195			h = power_of_two (surface->h);
196			texcoord[0] = 0.0f; /* Min X */
197			texcoord[1] = 0.0f; /* Min Y */
198			texcoord[2] = (GLfloat) surface->w / w; /* Max X */
199			texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
200
201			image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
202			#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
203			0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
204			#else
205			0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
206			#endif
207			);
208			if (image == NULL)
209			{
210			return 0;
211			}
212
213			/* Save the alpha blending attributes */
214			saved_flags = surface->flags & (SDL_SRCALPHA \| SDL_RLEACCELOK);
215			saved_alpha = surface->format->alpha;
216			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
217			{
218			SDL_SetAlpha (surface, 0, 0);
219			}
220
221			/* Copy the surface into the GL texture image */
222			area.x = 0;
223			area.y = 0;
224			area.w = surface->w;
225			area.h = surface->h;
226			SDL_BlitSurface (surface, &area, image, &area);
227
228			/* Restore the alpha blending attributes */
229			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
230			{
231			SDL_SetAlpha (surface, saved_flags, saved_alpha);
232			}
233
234			/* Create an OpenGL texture for the image */
235			glGenTextures (1, &texture);
236			glBindTexture (GL_TEXTURE_2D, texture);
237			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
238			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
239			glTexImage2D (GL_TEXTURE_2D,
240			0,
241			GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
242			SDL_FreeSurface (image); /* No longer needed */
243
244			return texture;
245			}
246
247			int
248			RunGLTest (int argc, char *argv[],
249			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
250			{
251			int i;
252			int rgb_size[3];
253			int w = 640;
254			int h = 480;
255			int done = 0;
256			int frames;
257			Uint32 start_time, this_time;
258	root	1.2	Uint32 video_flags;
259	root	1.1	int value;
260
261			if (SDL_Init (SDL_INIT_VIDEO) < 0)
262			{
263			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
264			exit (1);
265			}
266
267			/* See if we should detect the display depth */
268			if (bpp == 0)
269			{
270			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
271	root	1.3	bpp = 8;
272	root	1.1	else
273	root	1.3	bpp = 16; /* More doesn't seem to work */
274	root	1.1	}
275
276	root	1.2	video_flags = SDL_OPENGL;
277
278	root	1.1	for (i = 1; argv[i]; ++i)
279	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
280			video_flags \|= SDL_FULLSCREEN;
281	root	1.1
282			if (noframe)
283	root	1.3	video_flags \|= SDL_NOFRAME;
284	root	1.1
285			/* Initialize the display */
286			switch (bpp)
287			{
288			case 8:
289			rgb_size[0] = 3;
290			rgb_size[1] = 3;
291			rgb_size[2] = 2;
292			break;
293	root	1.3
294	root	1.1	case 15:
295			case 16:
296			rgb_size[0] = 5;
297			rgb_size[1] = 5;
298			rgb_size[2] = 5;
299			break;
300	root	1.3
301	root	1.1	default:
302			rgb_size[0] = 8;
303			rgb_size[1] = 8;
304			rgb_size[2] = 8;
305			break;
306			}
307			SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
308			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
309			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
310			SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
311			SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
312	root	1.3
313	root	1.1	if (fsaa)
314			{
315			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
316			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
317			}
318	root	1.3
319	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
320			{
321			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
322			SDL_Quit ();
323			exit (1);
324			}
325
326			printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
327			printf ("\n");
328			printf ("Vendor : %s\n", glGetString (GL_VENDOR));
329			printf ("Renderer : %s\n", glGetString (GL_RENDERER));
330			printf ("Version : %s\n", glGetString (GL_VERSION));
331			printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
332			printf ("\n");
333
334			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
335			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
336			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
337			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
338			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
339			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
340			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
341			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
342			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
343			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
344	root	1.3
345	root	1.1	if (fsaa)
346			{
347			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
348			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
349			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
350			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
351			value);
352			}
353
354			/* Set the window manager title bar */
355			SDL_WM_SetCaption ("SDL GL test", "testgl");
356
357			/* Set the gamma for the window */
358			if (gamma != 0.0)
359	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
360	root	1.1
361	root	1.3	view v;
362			v.p = point (0, 0, 0);
363			v.d = vec3 (0, 0, -1);
364			v.u = vec3 (0, 1, 0);
365			v.w = w; v.h = h;
366			v.fov = 90;
367	root	1.1
368			glMatrixMode (GL_MODELVIEW);
369			glLoadIdentity ();
370
371			glEnable (GL_DEPTH_TEST);
372
373			glDepthFunc (GL_LESS);
374
375			glShadeModel (GL_SMOOTH);
376	root	1.3	GLfloat ambient[4] = { 1, 1, 1, 1 };
377			glEnable (GL_LIGHTING);
378			glEnable (GL_COLOR_MATERIAL);
379			glLightModelfv (GL_LIGHT_MODEL_AMBIENT, ambient);
380	root	1.1
381			/* Loop until done. */
382			start_time = SDL_GetTicks ();
383			frames = 0;
384			while (!done)
385			{
386			GLenum gl_error;
387			char *sdl_error;
388			SDL_Event event;
389
390			/* Do our drawing, too. */
391			glClearColor (0.0, 0.0, 0.0, 1.0);
392			glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
393
394	root	1.5	#if 0
395	root	1.3	static GLfloat ry;
396	root	1.5	ry += 0.03;
397	root	1.3	v.d.x = cos (ry);
398			v.d.z = sin (ry);
399	root	1.5	#endif
400	root	1.1
401	root	1.3	draw_context c;
402			v.draw (c);
403	root	1.1
404			SDL_GL_SwapBuffers ();
405
406			/* Check for error conditions. */
407			gl_error = glGetError ();
408
409			if (gl_error != GL_NO_ERROR)
410	root	1.3	fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
411	root	1.1
412			sdl_error = SDL_GetError ();
413
414			if (sdl_error[0] != '\0')
415			{
416			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
417			SDL_ClearError ();
418			}
419
420			/* Allow the user to see what's happening */
421			SDL_Delay (20);
422
423			/* Check if there's a pending event. */
424			while (SDL_PollEvent (&event))
425			{
426			done = HandleEvent (&event);
427			}
428			++frames;
429			}
430
431			/* Print out the frames per second */
432			this_time = SDL_GetTicks ();
433			if (this_time != start_time)
434			{
435			printf ("%2.2f FPS\n",
436			((float) frames / (this_time - start_time)) * 1000.0);
437			}
438
439			if (global_image)
440			{
441			SDL_FreeSurface (global_image);
442			global_image = NULL;
443			}
444			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
455			int
456			main (int argc, char *argv[])
457			{
458			int i, logo;
459			int numtests;
460			int bpp = 0;
461			int slowly;
462			float gamma = 0.0;
463			int noframe = 0;
464			int fsaa = 0;
465	root	1.4
466			// load a entity
467			txtprt_parser p;
468	root	1.5	entity_base *e;
469	root	1.4	try {
470	root	1.5	e = p.read ("test.blasc");
471	root	1.4	} catch (txtprt_i_exception & e) {
472			cout << "ERR: " << e.msg << endl;
473			}
474	root	1.5	world.add (e);
475	root	1.1
476			logo = 0;
477			slowly = 0;
478			numtests = 1;
479			for (i = 1; argv[i]; ++i)
480			{
481			if (strcmp (argv[i], "-twice") == 0)
482			{
483			++numtests;
484			}
485			if (strcmp (argv[i], "-slow") == 0)
486			{
487			slowly = 1;
488			}
489			if (strcmp (argv[i], "-bpp") == 0)
490			{
491			bpp = atoi (argv[++i]);
492			}
493			if (strcmp (argv[i], "-gamma") == 0)
494			{
495			gamma = (float) atof (argv[++i]);
496			}
497			if (strcmp (argv[i], "-noframe") == 0)
498			{
499			noframe = 1;
500			}
501			if (strcmp (argv[i], "-fsaa") == 0)
502			{
503			++fsaa;
504			}
505			if (strncmp (argv[i], "-h", 2) == 0)
506			{
507			printf
508			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
509			argv[0]);
510			exit (0);
511			}
512			}
513			for (i = 0; i < numtests; ++i)
514			{
515			RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
516			}
517			return 0;
518			}