/* ------------------------------------------------------------------------ */

GLboolean glxewGetExtension (const char* name)

{    

  const GLubyte* start;

  const GLubyte* end;

  if (glXGetCurrentDisplay == NULL) return GL_FALSE;

  start = (const GLubyte*)glXGetClientString(glXGetCurrentDisplay(), GLX_EXTENSIONS);

  if (0 == start) return GL_FALSE;

  end = start + _glewStrLen(start);

  return _glewSearchExtension(name, start, end);

}

GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)

{

  int major, minor;

  const GLubyte* extStart;

  const GLubyte* extEnd;

  /* initialize core GLX 1.2 */

  if (_glewInit_GLX_VERSION_1_2(GLEW_CONTEXT_ARG_VAR_INIT)) return GLEW_ERROR_GLX_VERSION_11_ONLY;

  /* initialize flags */

  CONST_CAST(GLXEW_VERSION_1_0) = GL_TRUE;

  CONST_CAST(GLXEW_VERSION_1_1) = GL_TRUE;

  CONST_CAST(GLXEW_VERSION_1_2) = GL_TRUE;

  CONST_CAST(GLXEW_VERSION_1_3) = GL_TRUE;

  CONST_CAST(GLXEW_VERSION_1_4) = GL_TRUE;

  /* query GLX version */

  glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);

  if (major == 1 && minor <= 3)

  {

    switch (minor)

    {

      case 3:

      CONST_CAST(GLXEW_VERSION_1_4) = GL_FALSE;

      break;

      case 2:

      CONST_CAST(GLXEW_VERSION_1_4) = GL_FALSE;

      CONST_CAST(GLXEW_VERSION_1_3) = GL_FALSE;

      break;

      default:

      return GLEW_ERROR_GLX_VERSION_11_ONLY;

      break;

    }

  }

  /* query GLX extension string */

  extStart = 0;

  if (glXGetCurrentDisplay != NULL)

    extStart = (const GLubyte*)glXGetClientString(glXGetCurrentDisplay(), GLX_EXTENSIONS);

  if (extStart == 0)

    extStart = (const GLubyte *)"";

  extEnd = extStart + _glewStrLen(extStart);

  /* initialize extensions */