/usr/include/osg/FrontFace is in libopenscenegraph-dev 3.0.1-4.
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 | /* -*-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_FRONTFACE
#define OSG_FRONTFACE 1
#include <osg/StateAttribute>
#include <osg/GL>
namespace osg {
/** Class to specify the orientation of front-facing polygons.
*/
class OSG_EXPORT FrontFace : public StateAttribute
{
public :
enum Mode {
CLOCKWISE = GL_CW,
COUNTER_CLOCKWISE = GL_CCW
};
FrontFace(Mode face=COUNTER_CLOCKWISE);
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
FrontFace(const FrontFace& ff,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(ff,copyop),
_mode(ff._mode) {}
META_StateAttribute(osg, FrontFace, FRONTFACE);
/** 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(FrontFace,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_mode)
return 0; // passed all the above comparison macros, must be equal.
}
inline void setMode(Mode mode) { _mode = mode; }
inline Mode getMode() const { return _mode; }
virtual void apply(State& state) const;
protected:
virtual ~FrontFace();
Mode _mode;
};
}
#endif
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