text: #ifndef COIN_SOGLDISPLAYLIST_H
  #define COIN_SOGLDISPLAYLIST_H
  
  /**************************************************************************\
   * Copyright (c) Kongsberg Oil & Gas Technologies AS
   * All rights reserved.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   * 
   * Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   * 
   * Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   * 
   * Neither the name of the copyright holder nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  \**************************************************************************/
  
  #include <Inventor/SbBasic.h>
  
  class SoState;
  class SoGLDisplayListP;
  
  // *************************************************************************
  
  class COIN_DLL_API SoGLDisplayList {
  public:
    enum Type {
      DISPLAY_LIST,
      TEXTURE_OBJECT
    };
    SoGLDisplayList(SoState * state, Type type, int allocnum = 1,
                    SbBool mipmaptexobj = FALSE);
    void ref(void);
    void unref(SoState * state = NULL);
  
    void open(SoState *state, int index = 0);
    void close(SoState *state);
  
    void call(SoState * state, int index = 0);
    void addDependency(SoState * state);
  
    SbBool isMipMapTextureObject(void) const;
    Type getType(void) const;
    int getNumAllocated(void) const;
    // this returns GLuint in Inventor, but we try to avoid including
    // gl.h in the header files so we just return unsigned int.
    unsigned int getFirstIndex(void) const;
    int getContext(void) const;
  
    void setTextureTarget(int target);
    int getTextureTarget(void) const;
  
  private:
    ~SoGLDisplayList();
    SoGLDisplayListP * pimpl;
    void bindTexture(SoState *state);
  
    friend class SoGLCacheContextElement;
  };
  
  #endif // !COIN_SOGLDISPLAYLIST_H
  