/usr/include/osg/PatchParameter is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_PATCHPARAMETER
#define OSG_PATCHPARAMETER 1
#include <osg/Vec2>
#include <osg/Vec4>
#include <osg/StateAttribute>
#include <osg/GL2Extensions>
namespace osg {
/** Class which encapsulates glPatchParameter(..).
*/
class OSG_EXPORT PatchParameter : public StateAttribute
{
public :
PatchParameter(GLint vertices=3);
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
PatchParameter(const PatchParameter& rhs,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(rhs,copyop),
_vertices(rhs._vertices),
_patchDefaultInnerLevel(rhs._patchDefaultInnerLevel),
_patchDefaultOuterLevel(rhs._patchDefaultOuterLevel) {}
META_StateAttribute(osg, PatchParameter, PATCH_PARAMETER);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const
{
// check the types are equal and then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(PatchParameter,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_vertices)
COMPARE_StateAttribute_Parameter(_patchDefaultInnerLevel)
COMPARE_StateAttribute_Parameter(_patchDefaultOuterLevel)
return 0; // passed all the above comparison macros, must be equal.
}
/** Set GL_PATCH_VERTICES parameter.*/
void setVertices(GLint vertices) { _vertices = vertices; }
/** Get GL_PATCH_VERTICES parameter.*/
GLint getVertices() const { return _vertices; }
/** Set GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
void setPatchDefaultInnerLevel(const osg::Vec2& level) { _patchDefaultInnerLevel = level; }
/** Get GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
const osg::Vec2& getPatchDefaultInnerLevel() const { return _patchDefaultInnerLevel; }
/** Set GL_PATCH_DEFAULT_OUTER_LEVEL parameter.*/
void setPatchDefaultOuterLevel(const osg::Vec4& level) { _patchDefaultOuterLevel = level; }
/** Get GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
const osg::Vec4& getPatchDefaultOuterLevel() const { return _patchDefaultOuterLevel; }
virtual void apply(State& state) const;
protected:
virtual ~PatchParameter();
GLint _vertices;
osg::Vec2 _patchDefaultInnerLevel;
osg::Vec4 _patchDefaultOuterLevel;
};
}
#endif
|