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 "entity.h"

#include "txtprt_import.h"

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

view camera;
vec3 camera_velocity;
float camera_velocity_factor = 10;

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;

#define VELOCITY 10
    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);
}

/* 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);

  // 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);
  //glEnable(GL_VERTEX_PROGRAM_ARB);
  //glEnable(GL_FRAGMENT_PROGRAM_ARB);

  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;

  draw_context c (camera);

  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;

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

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

      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:	1.28
Committed:	Tue Oct 5 06:03:32 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.27:	+2 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include <stdlib.h>
2			#include <stdio.h>
3			#include <string.h>
4			#include <math.h>
5
6			#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	1.2	#include "entity.h"
13
14	root	1.4	#include "txtprt_import.h"
15
16	root	1.1	/**********************************************************************/
17
18	root	1.6	view camera;
19	root	1.18	vec3 camera_velocity;
20	root	1.24	float camera_velocity_factor = 10;
21	root	1.6
22	root	1.1	void
23			HotKey_ToggleFullScreen (void)
24			{
25			SDL_Surface *screen;
26
27			screen = SDL_GetVideoSurface ();
28			if (SDL_WM_ToggleFullScreen (screen))
29	root	1.5	printf ("Toggled fullscreen mode - now %s\n",
30			(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
31	root	1.1	else
32	root	1.5	printf ("Unable to toggle fullscreen mode\n");
33	root	1.1	}
34
35			void
36			HotKey_ToggleGrab (void)
37			{
38			SDL_GrabMode mode;
39
40			printf ("Ctrl-G: toggling input grab!\n");
41			mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
42			if (mode == SDL_GRAB_ON)
43	root	1.5	printf ("Grab was on\n");
44	root	1.1	else
45	root	1.5	printf ("Grab was off\n");
46	root	1.1
47			mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
48			if (mode == SDL_GRAB_ON)
49	root	1.5	printf ("Grab is now on\n");
50	root	1.1	else
51	root	1.5	printf ("Grab is now off\n");
52	root	1.1	}
53
54			void
55			HotKey_Iconify (void)
56			{
57			printf ("Ctrl-Z: iconifying window!\n");
58			SDL_WM_IconifyWindow ();
59			}
60
61			int
62			HandleEvent (SDL_Event * event)
63			{
64			int done;
65
66			done = 0;
67			switch (event->type)
68			{
69			case SDL_ACTIVEEVENT:
70			/* See what happened */
71			printf ("app %s ", event->active.gain ? "gained" : "lost");
72			if (event->active.state & SDL_APPACTIVE)
73			{
74			printf ("active ");
75			}
76			else if (event->active.state & SDL_APPMOUSEFOCUS)
77			{
78			printf ("mouse ");
79			}
80			else if (event->active.state & SDL_APPINPUTFOCUS)
81			{
82			printf ("input ");
83			}
84
85			printf ("focus\n");
86			break;
87
88	root	1.18	#define VELOCITY 10
89	root	1.1	case SDL_KEYDOWN:
90	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
91			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
92			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
93			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++;
94			if (event->key.keysym.sym == SDLK_a) camera_velocity.y--;
95			if (event->key.keysym.sym == SDLK_s) camera_velocity.y++;
96			if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
97			if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
98	root	1.6
99	root	1.1	if (event->key.keysym.sym == SDLK_ESCAPE)
100	root	1.6	done = 1;
101	root	1.1
102			if ((event->key.keysym.sym == SDLK_g) &&
103			(event->key.keysym.mod & KMOD_CTRL))
104	root	1.6	HotKey_ToggleGrab ();
105	root	1.1
106			if ((event->key.keysym.sym == SDLK_z) &&
107			(event->key.keysym.mod & KMOD_CTRL))
108	root	1.6	HotKey_Iconify ();
109	root	1.1
110			if ((event->key.keysym.sym == SDLK_RETURN) &&
111			(event->key.keysym.mod & KMOD_ALT))
112	root	1.6	HotKey_ToggleFullScreen ();
113	root	1.1
114			break;
115
116	root	1.18	case SDL_KEYUP:
117	root	1.19	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
118			if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
119			if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++;
120			if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--;
121			if (event->key.keysym.sym == SDLK_a) camera_velocity.y++;
122			if (event->key.keysym.sym == SDLK_s) camera_velocity.y--;
123	root	1.18	break;
124
125	root	1.1	case SDL_QUIT:
126			done = 1;
127			break;
128			}
129
130			return (done);
131			}
132
133			/* Quick utility function for texture creation */
134			static int
135			power_of_two (int input)
136			{
137			int value = 1;
138
139			while (value < input)
140			{
141			value <<= 1;
142			}
143			return value;
144			}
145
146			GLuint
147			SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
148			{
149			GLuint texture;
150			int w, h;
151			SDL_Surface *image;
152			SDL_Rect area;
153			Uint32 saved_flags;
154			Uint8 saved_alpha;
155
156			/* Use the surface width and height expanded to powers of 2 */
157			w = power_of_two (surface->w);
158			h = power_of_two (surface->h);
159			texcoord[0] = 0.0f; /* Min X */
160			texcoord[1] = 0.0f; /* Min Y */
161			texcoord[2] = (GLfloat) surface->w / w; /* Max X */
162			texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
163
164			image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
165			#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
166			0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
167			#else
168			0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
169			#endif
170			);
171			if (image == NULL)
172			{
173			return 0;
174			}
175
176			/* Save the alpha blending attributes */
177			saved_flags = surface->flags & (SDL_SRCALPHA \| SDL_RLEACCELOK);
178			saved_alpha = surface->format->alpha;
179			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
180			{
181			SDL_SetAlpha (surface, 0, 0);
182			}
183
184			/* Copy the surface into the GL texture image */
185			area.x = 0;
186			area.y = 0;
187			area.w = surface->w;
188			area.h = surface->h;
189			SDL_BlitSurface (surface, &area, image, &area);
190
191			/* Restore the alpha blending attributes */
192			if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
193			{
194			SDL_SetAlpha (surface, saved_flags, saved_alpha);
195			}
196
197			/* Create an OpenGL texture for the image */
198			glGenTextures (1, &texture);
199			glBindTexture (GL_TEXTURE_2D, texture);
200			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
201			glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
202			glTexImage2D (GL_TEXTURE_2D,
203			0,
204			GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
205			SDL_FreeSurface (image); /* No longer needed */
206
207			return texture;
208			}
209
210			int
211			RunGLTest (int argc, char *argv[],
212			int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
213			{
214			int i;
215			int rgb_size[3];
216			int w = 640;
217			int h = 480;
218			int done = 0;
219			int frames;
220			Uint32 start_time, this_time;
221	root	1.2	Uint32 video_flags;
222	root	1.1	int value;
223
224			if (SDL_Init (SDL_INIT_VIDEO) < 0)
225			{
226			fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
227			exit (1);
228			}
229
230			/* See if we should detect the display depth */
231			if (bpp == 0)
232			{
233			if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
234	root	1.3	bpp = 8;
235	root	1.1	else
236	root	1.3	bpp = 16; /* More doesn't seem to work */
237	root	1.1	}
238
239	root	1.2	video_flags = SDL_OPENGL;
240
241	root	1.1	for (i = 1; argv[i]; ++i)
242	root	1.3	if (strcmp (argv[1], "-fullscreen") == 0)
243			video_flags \|= SDL_FULLSCREEN;
244	root	1.1
245			if (noframe)
246	root	1.3	video_flags \|= SDL_NOFRAME;
247	root	1.1
248			/* Initialize the display */
249			switch (bpp)
250			{
251			case 8:
252			rgb_size[0] = 3;
253			rgb_size[1] = 3;
254			rgb_size[2] = 2;
255			break;
256	root	1.3
257	root	1.1	case 15:
258			case 16:
259			rgb_size[0] = 5;
260			rgb_size[1] = 5;
261			rgb_size[2] = 5;
262			break;
263	root	1.3
264	root	1.1	default:
265			rgb_size[0] = 8;
266			rgb_size[1] = 8;
267			rgb_size[2] = 8;
268			break;
269			}
270	root	1.18
271	root	1.1	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
272			SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
273			SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
274			SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
275			SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
276	root	1.3
277	root	1.1	if (fsaa)
278			{
279			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
280			SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
281			}
282	root	1.3
283	root	1.1	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
284			{
285			fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
286			SDL_Quit ();
287			exit (1);
288			}
289
290			printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
291			printf ("\n");
292			printf ("Vendor : %s\n", glGetString (GL_VENDOR));
293			printf ("Renderer : %s\n", glGetString (GL_RENDERER));
294			printf ("Version : %s\n", glGetString (GL_VERSION));
295			printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
296			printf ("\n");
297
298			SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
299			printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
300			SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
301			printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
302			SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
303			printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
304			SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
305			printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
306			SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
307			printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
308	root	1.3
309	root	1.1	if (fsaa)
310			{
311			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
312			printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
313			SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
314			printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
315			value);
316			}
317
318			/* Set the window manager title bar */
319	root	1.12	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
320	root	1.1
321			/* Set the gamma for the window */
322			if (gamma != 0.0)
323	root	1.3	SDL_SetGamma (gamma, gamma, gamma);
324	root	1.1
325	root	1.17	// load a entity
326			for (int i = 0; i < 7; i++)
327			{
328			txtprt_parser p;
329	root	1.18	entity_transform *f = new entity_transform;
330	root	1.17	entity *e;
331			try
332			{
333			e = p.read ("test.blasc");
334			} catch (txtprt_i_exception & e)
335			{
336			cout << "ERR: " << e.msg << endl;
337			}
338			f->set (e);
339	root	1.26	f->update (matrix::translation (vec3 (0, -1, -i*5)));
340	root	1.17	f->show ();
341			}
342
343	root	1.13	camera.orig.x = camera.orig.y = camera.orig.z = 0;
344	root	1.6	camera.p = point (0, 0, 10);
345			camera.d = vec3 (0, 0, -1);
346			camera.u = vec3 (0, 1, 0);
347			camera.w = w; camera.h = h;
348			camera.fov = 90;
349	root	1.1
350			glMatrixMode (GL_MODELVIEW);
351			glLoadIdentity ();
352
353	root	1.16	glEnable (GL_CULL_FACE);
354	root	1.1	glEnable (GL_DEPTH_TEST);
355	root	1.28	//glEnable(GL_VERTEX_PROGRAM_ARB);
356			//glEnable(GL_FRAGMENT_PROGRAM_ARB);
357	root	1.22
358	root	1.11	glShadeModel (GL_SMOOTH);
359	root	1.6
360	root	1.3	glEnable (GL_LIGHTING);
361	root	1.9	//GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
362	root	1.6	//glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
363	root	1.9	//glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
364	root	1.6	glEnable (GL_LIGHT0);
365	root	1.1
366			/* Loop until done. */
367			start_time = SDL_GetTicks ();
368			frames = 0;
369	root	1.16
370			draw_context c (camera);
371
372	root	1.1	while (!done)
373			{
374			GLenum gl_error;
375			char *sdl_error;
376			SDL_Event event;
377
378			glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
379
380	root	1.19	camera.p.x += (camera_velocity_factor * camera_velocity.x) * timer.diff;
381			camera.p.y += (camera_velocity_factor * camera_velocity.y) * timer.diff;
382			camera.p.z += (camera_velocity_factor * camera_velocity.z) * timer.diff;
383	root	1.18
384	root	1.6	GLfloat lightp[4];
385			lightp[0] = camera.p.x;
386			lightp[1] = camera.p.y;
387			lightp[2] = camera.p.z;
388			lightp[3] = 1;
389			glLightfv (GL_LIGHT0, GL_POSITION, lightp);
390
391	root	1.5	#if 0
392	root	1.3	static GLfloat ry;
393	root	1.13	ry += 0.001;
394			camera.d.x = cos (ry);
395			camera.d.z = sin (ry);
396			//camera.d.y = sin (ry * 0.1);
397	root	1.5	#endif
398	root	1.1
399	root	1.16	c.mode = draw_context::DEPTH;
400			camera.draw (c);
401	root	1.9	c.mode = draw_context::LIGHTED;
402	root	1.6	camera.draw (c);
403	root	1.1
404			SDL_GL_SwapBuffers ();
405	root	1.15	timer.frame ();
406	root	1.1
407			/* Check for error conditions. */
408			gl_error = glGetError ();
409
410			if (gl_error != GL_NO_ERROR)
411	root	1.3	fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
412	root	1.1
413			sdl_error = SDL_GetError ();
414
415			if (sdl_error[0] != '\0')
416			{
417			fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
418			SDL_ClearError ();
419			}
420
421			/* Allow the user to see what's happening */
422	root	1.9	//SDL_Delay (20);
423	root	1.1
424			/* Check if there's a pending event. */
425			while (SDL_PollEvent (&event))
426	root	1.18	done = HandleEvent (&event);
427	root	1.20
428	root	1.18
429	root	1.1	++frames;
430			}
431
432			/* Print out the frames per second */
433			this_time = SDL_GetTicks ();
434			if (this_time != start_time)
435			{
436			printf ("%2.2f FPS\n",
437			((float) frames / (this_time - start_time)) * 1000.0);
438			}
439
440			if (global_image)
441			{
442			SDL_FreeSurface (global_image);
443			global_image = NULL;
444			}
445			if (global_texture)
446			{
447			glDeleteTextures (1, &global_texture);
448			global_texture = 0;
449			}
450
451			/* Destroy our GL context, etc. */
452			SDL_Quit ();
453			return (0);
454			}
455
456			int
457			main (int argc, char *argv[])
458			{
459			int i, logo;
460			int numtests;
461			int bpp = 0;
462			int slowly;
463			float gamma = 0.0;
464			int noframe = 0;
465			int fsaa = 0;
466	root	1.4
467	root	1.1	logo = 0;
468			slowly = 0;
469			numtests = 1;
470			for (i = 1; argv[i]; ++i)
471			{
472			if (strcmp (argv[i], "-twice") == 0)
473			{
474			++numtests;
475			}
476			if (strcmp (argv[i], "-slow") == 0)
477			{
478			slowly = 1;
479			}
480			if (strcmp (argv[i], "-bpp") == 0)
481			{
482			bpp = atoi (argv[++i]);
483			}
484			if (strcmp (argv[i], "-gamma") == 0)
485			{
486			gamma = (float) atof (argv[++i]);
487			}
488			if (strcmp (argv[i], "-noframe") == 0)
489			{
490			noframe = 1;
491			}
492			if (strcmp (argv[i], "-fsaa") == 0)
493			{
494			++fsaa;
495			}
496			if (strncmp (argv[i], "-h", 2) == 0)
497			{
498			printf
499			("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
500			argv[0]);
501			exit (0);
502			}
503			}
504	root	1.17
505	root	1.1	for (i = 0; i < numtests; ++i)
506	root	1.17	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
507
508	root	1.1	return 0;
509			}