C++ (Cpp) GLUT_WIND_HAS_ACCUMの例

コード例 #1

ファイル: glut_overlay.c プロジェクト: neurodebian/freesurfer

static int
checkOverlayAcceptability(XVisualInfo * vi, unsigned int mode)
{
  int value;

  /* Must support OpenGL. */
  glXGetConfig(__glutDisplay, vi, GLX_USE_GL, &value);
  if (!value)
    return 1;

  /* Must be color index. */
  glXGetConfig(__glutDisplay, vi, GLX_RGBA, &value);
  if (value)
    return 1;

  /* Must match single/double buffering request. */
  glXGetConfig(__glutDisplay, vi, GLX_DOUBLEBUFFER, &value);
  if (GLUT_WIND_IS_DOUBLE(mode) != (value != 0))
    return 1;

  /* Must match mono/stereo request. */
  glXGetConfig(__glutDisplay, vi, GLX_STEREO, &value);
  if (GLUT_WIND_IS_STEREO(mode) != (value != 0))
    return 1;

  /* Alpha and accumulation buffers incompatible with color
     index. */
  if (GLUT_WIND_HAS_ALPHA(mode) || GLUT_WIND_HAS_ACCUM(mode))
    return 1;

  /* Look for depth buffer if requested. */
  glXGetConfig(__glutDisplay, vi, GLX_DEPTH_SIZE, &value);
  if (GLUT_WIND_HAS_DEPTH(mode) && (value <= 0))
    return 1;

  /* Look for stencil buffer if requested. */
  glXGetConfig(__glutDisplay, vi, GLX_STENCIL_SIZE, &value);
  if (GLUT_WIND_HAS_STENCIL(mode) && (value <= 0))
    return 1;

#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample)
  /* XXX Multisampled overlay color index??  Pretty unlikely. */
  /* Look for multisampling if requested. */
  if (__glutIsSupportedByGLX("GLX_SGIS_multisample"))
    glXGetConfig(__glutDisplay, vi, GLX_SAMPLES_SGIS, &value);
  else
    value = 0;
  if (GLUT_WIND_IS_MULTISAMPLE(mode) && (value <= 0))
    return 1;
#endif

  return 0;
}

コード例 #2

ファイル: glut_win.cpp プロジェクト: astrofimov/vgallium

static XVisualInfo *
getVisualInfoRGB(unsigned int mode)
{
#if POKA
  int list[32];
  int n = 0;

  /* Should not be looking at display mode mask if
     __glutDisplayString is non-NULL. */
  assert(!__glutDisplayString);

  /* XXX Would a caching mechanism to minize the calls to
     glXChooseVisual? You'd have to reference count
     XVisualInfo* pointers.  Would also have to properly
     interact with glutInitDisplayString. */

  list[n++] = GLX_RGBA;
  list[n++] = GLX_RED_SIZE;
  list[n++] = 1;
  list[n++] = GLX_GREEN_SIZE;
  list[n++] = 1;
  list[n++] = GLX_BLUE_SIZE;
  list[n++] = 1;
  if (GLUT_WIND_HAS_ALPHA(mode)) {
    list[n++] = GLX_ALPHA_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_IS_DOUBLE(mode)) {
    list[n++] = GLX_DOUBLEBUFFER;
  }
  if (GLUT_WIND_IS_STEREO(mode)) {
    list[n++] = GLX_STEREO;
  }
  if (GLUT_WIND_HAS_DEPTH(mode)) {
    list[n++] = GLX_DEPTH_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_STENCIL(mode)) {
    list[n++] = GLX_STENCIL_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_ACCUM(mode)) {
    list[n++] = GLX_ACCUM_RED_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_GREEN_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_BLUE_SIZE;
    list[n++] = 1;
    if (GLUT_WIND_HAS_ALPHA(mode)) {
      list[n++] = GLX_ACCUM_ALPHA_SIZE;
      list[n++] = 1;
    }
  }
#if defined(GLX_VERSION_1_1) && (defined(GLX_SGIS_multisample) || defined(GLX_ARB_multisample))
  if (GLUT_WIND_IS_MULTISAMPLE(mode)) {
    if (!__glutIsSupportedByGLX("GLX_SGIS_multisample") &&
        !__glutIsSupportedByGLX("GLX_ARB_multisample"))
      return NULL;
#if defined(GLX_ARB_multisample)
    list[n++] = GLX_SAMPLES_ARB;
#elif defined(GLX_SGIS_multisample)
    list[n++] = GLX_SAMPLES_SGIS;
#endif
    /* XXX Is 4 a reasonable minimum acceptable number of
       samples? */
    list[n++] = 4;
  }
#endif
  list[n] = (int) None; /* terminate list */

  return glXChooseVisual(__glutDisplay,
    __glutScreen, list);
#else  /* POKA */

    return
         glXChooseVisual(mode);

#endif
}

コード例 #3

ファイル: glut_win.c プロジェクト: ghub/NVprSDK

static XVisualInfo *
getVisualInfoRGB(unsigned int mode)
{
  int list[32];
  int n = 0;

  /* Should not be looking at display mode mask if
     __glutDisplayString is non-NULL. */
  assert(!__glutDisplayString);

  /* XXX Would a caching mechanism to minize the calls to
     glXChooseVisual? You'd have to reference count
     XVisualInfo* pointers.  Would also have to properly
     interact with glutInitDisplayString. */

  list[n++] = GLX_RGBA;
  list[n++] = GLX_RED_SIZE;
  list[n++] = 1;
  list[n++] = GLX_GREEN_SIZE;
  list[n++] = 1;
  list[n++] = GLX_BLUE_SIZE;
  list[n++] = 1;
  if (GLUT_WIND_HAS_ALPHA(mode)) {
    list[n++] = GLX_ALPHA_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_IS_DOUBLE(mode)) {
    list[n++] = GLX_DOUBLEBUFFER;
  }
  if (GLUT_WIND_IS_STEREO(mode)) {
    list[n++] = GLX_STEREO;
  }
  if (GLUT_WIND_HAS_DEPTH(mode)) {
    list[n++] = GLX_DEPTH_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_STENCIL(mode)) {
    list[n++] = GLX_STENCIL_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_ACCUM(mode)) {
    list[n++] = GLX_ACCUM_RED_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_GREEN_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_BLUE_SIZE;
    list[n++] = 1;
    if (GLUT_WIND_HAS_ALPHA(mode)) {
      list[n++] = GLX_ACCUM_ALPHA_SIZE;
      list[n++] = 1;
    }
  }

/* GLX_SAMPLES_SGIS has the same value as GLX_SAMPLES_ARB. */
# ifndef GLX_SAMPLES_ARB
#  define GLX_SAMPLES_ARB                      100001
# endif

  if (GLUT_WIND_IS_MULTISAMPLE(mode)) {
    if (
#ifdef _WIN32
        !has_WGL_ARB_multisample
#else
        !__glutIsSupportedByGLX("GLX_SGIS_multisample") &&
        !__glutIsSupportedByGLX("GLX_ARB_multisample")
#endif
       )  {
      return NULL;
    }
    /* Accept either the SGIS or ARB GLX multisample extensions. */
    list[n++] = GLX_SAMPLES_ARB;
    list[n++] = 2;
  }

  list[n] = (int) None; /* terminate list */

  return glXChooseVisual(__glutDisplay,
    __glutScreen, list);
}

コード例 #4

ファイル: glut_win.c プロジェクト: unicfdlab/TwoDaysMeshingCourse

static XVisualInfo *
getVisualInfoRGB(unsigned int mode)
{
  int list[32];
  int n = 0;

  /* XXX Would a caching mechanism to minize the calls to
     glXChooseVisual? You'd have to reference count
     XVisualInfo* pointers. */

  list[n++] = GLX_RGBA;
  list[n++] = GLX_RED_SIZE;
  list[n++] = 1;
  list[n++] = GLX_GREEN_SIZE;
  list[n++] = 1;
  list[n++] = GLX_BLUE_SIZE;
  list[n++] = 1;
  if (GLUT_WIND_HAS_ALPHA(mode)) {
    list[n++] = GLX_ALPHA_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_IS_DOUBLE(mode)) {
    list[n++] = GLX_DOUBLEBUFFER;
  }
  if (GLUT_WIND_IS_STEREO(mode)) {
    list[n++] = GLX_STEREO;
  }
  if (GLUT_WIND_HAS_DEPTH(mode)) {
    list[n++] = GLX_DEPTH_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_STENCIL(mode)) {
    list[n++] = GLX_STENCIL_SIZE;
    list[n++] = 1;
  }
  if (GLUT_WIND_HAS_ACCUM(mode)) {
    list[n++] = GLX_ACCUM_RED_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_GREEN_SIZE;
    list[n++] = 1;
    list[n++] = GLX_ACCUM_BLUE_SIZE;
    list[n++] = 1;
    if (GLUT_WIND_HAS_ALPHA(mode)) {
      list[n++] = GLX_ACCUM_ALPHA_SIZE;
      list[n++] = 1;
    }
  }
#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample)
  if (GLUT_WIND_IS_MULTISAMPLE(mode)) {
    if (!__glutIsSupportedByGLX("GLX_SGIS_multisample"))
      return NULL;
    list[n++] = GLX_SAMPLES_SGIS;
    /* XXX Is 4 a reasonable minimum acceptable number of
       samples? */
    list[n++] = 4;
  }
#endif
  list[n] = (int) None; /* terminate list */

  return glXChooseVisual(__glutDisplay,
    __glutScreen, list);
}