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4019caae75
svn path=/branches/shell32_new-bringup/; revision=51893
177 lines
6 KiB
C++
177 lines
6 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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* nurbstess.h
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*
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*/
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#ifndef __glunurbstess_h_
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#define __glunurbstess_h_
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#include "mysetjmp.h"
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#include "subdivider.h"
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#include "renderhints.h"
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#include "backend.h"
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#include "maplist.h"
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#include "reader.h"
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#include "nurbsconsts.h"
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struct Knotvector;
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class Quilt;
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class DisplayList;
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class BasicCurveEvaluator;
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class BasicSurfaceEvaluator;
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class NurbsTessellator {
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public:
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NurbsTessellator( BasicCurveEvaluator &c,
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BasicSurfaceEvaluator &e );
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virtual ~NurbsTessellator( void );
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void getnurbsproperty( long, INREAL * );
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void getnurbsproperty( long, long, INREAL * );
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void setnurbsproperty( long, INREAL );
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void setnurbsproperty( long, long, INREAL );
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void setnurbsproperty( long, long, INREAL * );
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void setnurbsproperty( long, long, INREAL *, long, long );
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// called before a tessellation begins/ends
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virtual void bgnrender( void );
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virtual void endrender( void );
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// called to make a display list of the output vertices
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virtual void makeobj( int n );
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virtual void closeobj( void );
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// called when a error occurs
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virtual void errorHandler( int );
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void bgnsurface( long );
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void endsurface( void );
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void bgntrim( void );
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void endtrim( void );
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void bgncurve( long );
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void endcurve( void );
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void pwlcurve( long, INREAL[], long, long );
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void nurbscurve( long, INREAL[], long, INREAL[], long, long );
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void nurbssurface( long, INREAL[], long, INREAL[], long, long,
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INREAL[], long, long, long );
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void defineMap( long, long, long );
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void redefineMaps( void );
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// recording of input description
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void discardRecording( void * );
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void * beginRecording( void );
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void endRecording( void );
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void playRecording( void * );
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//for optimizing untrimmed nurbs in the case of domain distance sampling
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void set_domain_distance_u_rate(REAL u_rate);
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void set_domain_distance_v_rate(REAL v_rate);
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void set_is_domain_distance_sampling(int flag);
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protected:
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Renderhints renderhints;
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Maplist maplist;
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Backend backend;
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private:
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void resetObjects( void );
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int do_check_knots( Knotvector *, const char * );
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void do_nurbserror( int );
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void do_bgncurve( O_curve * );
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void do_endcurve( void );
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void do_freeall( void );
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void do_freecurveall( O_curve * );
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void do_freebgntrim( O_trim * );
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void do_freebgncurve( O_curve * );
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void do_freepwlcurve( O_pwlcurve * );
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void do_freenurbscurve( O_nurbscurve * );
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void do_freenurbssurface( O_nurbssurface * );
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void do_freebgnsurface( O_surface * );
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void do_bgnsurface( O_surface * );
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void do_endsurface( void );
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void do_bgntrim( O_trim * );
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void do_endtrim( void );
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void do_pwlcurve( O_pwlcurve * );
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void do_nurbscurve( O_nurbscurve * );
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void do_nurbssurface( O_nurbssurface * );
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void do_freenurbsproperty( Property * );
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void do_setnurbsproperty( Property * );
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void do_setnurbsproperty2( Property * );
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Subdivider subdivider;
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JumpBuffer* jumpbuffer;
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Pool o_pwlcurvePool;
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Pool o_nurbscurvePool;
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Pool o_curvePool;
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Pool o_trimPool;
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Pool o_surfacePool;
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Pool o_nurbssurfacePool;
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Pool propertyPool;
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public:
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Pool quiltPool;
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private:
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TrimVertexPool extTrimVertexPool;
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int inSurface; /* bgnsurface seen */
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int inCurve; /* bgncurve seen */
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int inTrim; /* bgntrim seen */
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int isCurveModified; /* curve changed */
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int isTrimModified; /* trim curves changed */
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int isSurfaceModified; /* surface changed */
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int isDataValid; /* all data is good */
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int numTrims; /* valid trim regions */
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int playBack;
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O_trim** nextTrim; /* place to link o_trim */
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O_curve** nextCurve; /* place to link o_curve */
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O_nurbscurve** nextNurbscurve; /* place to link o_nurbscurve */
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O_pwlcurve** nextPwlcurve; /* place to link o_pwlcurve */
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O_nurbssurface** nextNurbssurface; /* place to link o_nurbssurface */
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O_surface* currentSurface;
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O_trim* currentTrim;
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O_curve* currentCurve;
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DisplayList *dl;
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};
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#endif /* __glunurbstess_h_ */
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