mirror of
https://github.com/reactos/reactos.git
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148 lines
4.7 KiB
C++
148 lines
4.7 KiB
C++
/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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*/
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/*
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* glrenderer.h
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*
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* $Date$ $Revision: 1.1 $
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* $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/interface/glrenderer.h,v 1.1 2004/02/02 16:39:08 navaraf Exp $
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*/
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#ifndef __gluglrenderer_h_
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#define __gluglrenderer_h_
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "nurbstess.h"
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#include "glsurfeval.h"
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#include "glcurveval.h"
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class GLUnurbs : public NurbsTessellator {
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public:
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GLUnurbs( void );
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void loadGLMatrices( void );
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void useGLMatrices( const GLfloat modelMatrix[16],
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const GLfloat projMatrix[16],
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const GLint viewport[4] );
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void setSamplingMatrixIdentity( void );
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void errorHandler( int );
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void bgnrender( void );
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void endrender( void );
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void setautoloadmode( INREAL value )
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{
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if (value) autoloadmode = GL_TRUE;
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else autoloadmode = GL_FALSE;
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}
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GLboolean getautoloadmode( void ) { return autoloadmode; }
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void (APIENTRY *errorCallback)( GLenum );
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void postError( int which )
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{ if (errorCallback) (errorCallback)( (GLenum)which ); }
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#ifdef _WIN32
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void putSurfCallBack(GLenum which, void (GLAPIENTRY *fn)() )
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#else
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void putSurfCallBack(GLenum which, _GLUfuncptr fn )
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#endif
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{
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curveEvaluator.putCallBack(which, fn);
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surfaceEvaluator.putCallBack(which, fn);
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}
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int get_vertices_call_back()
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{
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return surfaceEvaluator.get_vertices_call_back();
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}
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void put_vertices_call_back(int flag)
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{
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surfaceEvaluator.put_vertices_call_back(flag);
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}
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int get_callback_auto_normal()
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{
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return surfaceEvaluator.get_callback_auto_normal();
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}
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void put_callback_auto_normal(int flag)
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{
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surfaceEvaluator.put_callback_auto_normal(flag);
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}
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void setNurbsCallbackData(void* userData)
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{
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curveEvaluator.set_callback_userData(userData);
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surfaceEvaluator.set_callback_userData(userData);
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}
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//for LOD
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void LOD_eval_list(int level)
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{
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surfaceEvaluator.LOD_eval_list(level);
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}
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//NEWCALLBACK
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int is_callback()
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{
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return callbackFlag;
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}
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void put_callbackFlag(int flag)
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{
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callbackFlag = flag;
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surfaceEvaluator.put_vertices_call_back(flag);
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curveEvaluator.put_vertices_call_back(flag);
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}
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private:
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GLboolean autoloadmode;
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OpenGLSurfaceEvaluator surfaceEvaluator;
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OpenGLCurveEvaluator curveEvaluator;
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void loadSamplingMatrix( const GLfloat vmat[4][4],
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const GLint viewport[4] );
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void loadCullingMatrix( GLfloat vmat[4][4] );
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static void grabGLMatrix( GLfloat vmat[4][4] );
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static void transform4d( GLfloat A[4], GLfloat B[4],
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GLfloat mat[4][4] );
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static void multmatrix4d( GLfloat n[4][4], const GLfloat left[4][4],
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const GLfloat right[4][4] );
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int callbackFlag;
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};
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#endif /* __gluglrenderer_h_ */
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