C++ (Cpp) eglutPostRedisplay Examples

Example #1

File: rsxglgears.c Project: tmandersson/RSXGL

static void
gears_idle(void)
{
   static int frames = 0;
   static double tRot0 = -1.0, tRate0 = -1.0;
   double dt, t = rsxgltest_elapsed_time /*eglutGet(EGLUT_ELAPSED_TIME) / 1000.0*/;

   if (tRot0 < 0.0)
      tRot0 = t;
   dt = t - tRot0;
   tRot0 = t;

   /* advance rotation for next frame */
   angle += 70.0 * dt;  /* 70 degrees per second */
   if (angle > 3600.0)
      angle -= 3600.0;

#if 0
   eglutPostRedisplay();
#endif
   frames++;

   if (tRate0 < 0.0)
      tRate0 = t;
   if (t - tRate0 >= 5.0) {
      GLfloat seconds = t - tRate0;
      GLfloat fps = frames / seconds;
      printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
            fps);
      tRate0 = t;
      frames = 0;
   }
}

Example #2

File: torus.c Project: Distrotech/mesa-demos

static void
key(unsigned char key)
{
   switch (key) {
   case ' ':
      animate = !animate;
      break;
   case 't':
      {
         GLint size;
         tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
         if (tex_format < NUM_CPAL_FORMATS) {
            size = make_cpal_texture(tex_format);
            printf("Using %s (%d bytes)\n",
                  cpal_formats[tex_format].name, size);
         }
         else {
            size = make_texture();
            printf("Using uncompressed texture (%d bytes)\n", size);
         }

         eglutPostRedisplay();
      }
      break;
   case 27:
      eglutDestroyWindow(win);
      exit(0);
      break;
   default:
      break;
   }
}

Example #3

File: drawtex.c Project: JoakimSoderberg/mesademos

static void
idle(void)
{
   if (animate) {
      view_posx += 1.0;
      view_posy += 2.0;
      eglutPostRedisplay();
   }
}

Example #4

File: eglgears.c Project: Distrotech/mesa-demos

static void
idle(void)
{
  static double t0 = -1.;
  double dt, t = eglutGet(EGLUT_ELAPSED_TIME) / 1000.0;
  if (t0 < 0.0)
    t0 = t;
  dt = t - t0;
  t0 = t;

  angle += 70.0 * dt;  /* 70 degrees per second */
  angle = fmod(angle, 360.0); /* prevents eventual overflow */

  eglutPostRedisplay();
}

Example #5

File: lion.c Project: aosm/X11apps

static void
draw(void)
{
   vgClear(0, 0, width, height);

   vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
   vgLoadIdentity();
   vgTranslate(width/2, height/2);
   vgRotate(angle);
   vgTranslate(-width/2, -height/2);

   lion_render(lion);

   ++angle;
   eglutPostRedisplay();
}

Example #6

File: gl-render.c Project: Misha-Mainenko/kolibrios-llvm

static void
idle(void)
{
    eglutPostRedisplay();
}

Example #7

File: backend-egl.cpp Project: jaccen/liblub

static void draw(void) {
   launcher->draw();
   eglutPostRedisplay();
}