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/**
 * A Material holds the various uniform parameters an Effect needs to render.
 * For example a Lambert effect might need "diffuse", "ambient", "emissive".
 * The parameters needed on a Material will vary depending its Effect.
 * Note that a material MUST have its drawList set in order for objects using it
 * to render.
 *
 * @param {!o3d.State} opt_state The State used by this material.
 * @param {!o3d.Effect} opt_effect The Effect used by this material.
 * @param {!o3d.DrawList} opt_draw_list The the DrawList used by this material.
 * @constructor
 */
o3d.Material = function(opt_state, opt_effect, opt_draw_list) {
  o3d.ParamObject.call(this);
  /**
   * The State for this material.
   * @type {o3d.State}
   */
  this.state = opt_state || null;

  /**
   * The Effect for this material.
   * @type {o3d.Effect}
   */
  this.effect = opt_effect || null;

  /**
   * The DrawList this material will render on.
   * @type {o3d.DrawList}
   */
  this.drawList = opt_draw_list || null;
};
o3d.inherit('Material', 'ParamObject');

o3d.ParamObject.setUpO3DParam_(o3d.Material, 'effect', 'ParamEffect');
o3d.ParamObject.setUpO3DParam_(o3d.Material, 'state', 'ParamState');
o3d.ParamObject.setUpO3DParam_(o3d.Material, 'drawList', 'ParamDrawList');