IABSD.fr/xenocara/lib/libGLU/src/libnurbs/interface/glrenderer.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : jsg
  Date : 2013-09-01 03:51:12
  Hash : 729f7da4
  Message : Update to GLU 9.0.0, GLU was previously part of Mesa but is now seperate. tested in a ports bulk build by landry@, ok matthieu@

• lib/libGLU/src/libnurbs/interface/glrenderer.h

• /*
   * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice including the dates of first publication and
   * either this permission notice or a reference to
   * http://oss.sgi.com/projects/FreeB/
   * shall be included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
   * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Except as contained in this notice, the name of Silicon Graphics, Inc.
   * shall not be used in advertising or otherwise to promote the sale, use or
   * other dealings in this Software without prior written authorization from
   * Silicon Graphics, Inc.
   */
  
  /*
   * glrenderer.h
   *
   */
  
  #ifndef __gluglrenderer_h_
  #define __gluglrenderer_h_
  
  #include <GL/gl.h>
  #include <GL/glu.h>
  #include "nurbstess.h"
  #include "glsurfeval.h"
  #include "glcurveval.h"
  
  extern "C" {
        typedef void (APIENTRY *errorCallbackType)( GLenum );
  }
  
  class GLUnurbs : public NurbsTessellator {
  
  public:
  		GLUnurbs( void );
      void 	loadGLMatrices( void );
      void	useGLMatrices( const GLfloat modelMatrix[16], 
  			       const GLfloat projMatrix[16],
  			       const GLint viewport[4] );
      void		setSamplingMatrixIdentity( void );
  
      void 	errorHandler( int );
      void	bgnrender( void );
      void	endrender( void );
      void	setautoloadmode( INREAL value )
        		    { 
  		      
  		      if (value) autoloadmode = GL_TRUE; 
  		      else autoloadmode = GL_FALSE; 
  			
  		    }
      GLboolean	getautoloadmode( void ) { return autoloadmode; }
  
      errorCallbackType errorCallback;
      void	postError( int which ) 
  		    { if (errorCallback) (errorCallback)( (GLenum)which ); }
  #ifdef _WIN32
      void        putSurfCallBack(GLenum which, void (GLAPIENTRY *fn)() )
  #else
      void        putSurfCallBack(GLenum which, _GLUfuncptr fn )
  #endif
        {
  	curveEvaluator.putCallBack(which, fn);
  	surfaceEvaluator.putCallBack(which, fn);
        }
  
      int         get_vertices_call_back()
        {
  	return surfaceEvaluator.get_vertices_call_back();
        }
      
      void        put_vertices_call_back(int flag)
        {
  	surfaceEvaluator.put_vertices_call_back(flag);
        }
  
      int         get_callback_auto_normal()
        {
          return surfaceEvaluator.get_callback_auto_normal();
        }
   
      void         put_callback_auto_normal(int flag)
        {
          surfaceEvaluator.put_callback_auto_normal(flag);
        }
  
      void       setNurbsCallbackData(void* userData)
        {
         curveEvaluator.set_callback_userData(userData);
         surfaceEvaluator.set_callback_userData(userData);
       }
  
  
      //for LOD
      void LOD_eval_list(int level)
        {
  	surfaceEvaluator.LOD_eval_list(level);
        }
  
      //NEWCALLBACK
      int        is_callback()
        {
  	return callbackFlag;
        }
      void       put_callbackFlag(int flag)
        {
  	callbackFlag = flag;
  	surfaceEvaluator.put_vertices_call_back(flag);
  	curveEvaluator.put_vertices_call_back(flag);
        }
  
  private:
      GLboolean			autoloadmode;
      OpenGLSurfaceEvaluator	surfaceEvaluator;
      OpenGLCurveEvaluator	curveEvaluator;
  
      void		loadSamplingMatrix( const GLfloat vmat[4][4], 
  			        const GLint viewport[4] );
      void		loadCullingMatrix( GLfloat vmat[4][4] );
      static void		grabGLMatrix( GLfloat vmat[4][4] );
      static void		transform4d( GLfloat A[4], GLfloat B[4], 
  				GLfloat mat[4][4] );
      static void		multmatrix4d( GLfloat n[4][4], const GLfloat left[4][4],
  				const GLfloat right[4][4] );
  
     int                  callbackFlag;
  };
  
  #endif /* __gluglrenderer_h_ */