/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file graphicsPipeSelection.I
 * @author drose
 * @date 2002-08-15
 */

/**
 * Returns the number of display modules that are still to be loaded.  If this
 * is nonzero, then calling load_aux_modules() will likely increase the number
 * of GraphicsPipes available.
 */
INLINE int GraphicsPipeSelection::
get_num_aux_modules() const {
  return _display_modules.size();
}

/**
 * Returns a pointer to the one global GraphicsPipeSelection object.
 */
INLINE GraphicsPipeSelection *GraphicsPipeSelection::
get_global_ptr() {
  if (_global_ptr == nullptr) {
    _global_ptr = new GraphicsPipeSelection;
  }
  return _global_ptr;
}

/**
 * Conditionally calls do_load_default_module(), if it has not been called
 * before.
 */
INLINE void GraphicsPipeSelection::
load_default_module() const {
  if (!_default_module_loaded) {
    ((GraphicsPipeSelection *)this)->do_load_default_module();
  }
}

/**
 *
 */
INLINE GraphicsPipeSelection::PipeType::
PipeType(TypeHandle type, PipeConstructorFunc *constructor) :
  _type(type),
  _constructor(constructor)
{
}