78 lines
2.1 KiB
Plaintext
78 lines
2.1 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
|
|
//Distributed under the terms of the GNU Library General Public License (LGPL)
|
|
//as published by the Free Software Foundation.
|
|
|
|
#ifndef OSG_POLYGONMODE
|
|
#define OSG_POLYGONMODE 1
|
|
|
|
#include <osg/StateAttribute>
|
|
#include <osg/GL>
|
|
|
|
namespace osg {
|
|
|
|
/** Class to for setting OpenGL's polygon culling mode.
|
|
*/
|
|
class SG_EXPORT PolygonMode : public StateAttribute
|
|
{
|
|
public :
|
|
|
|
PolygonMode();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
PolygonMode(const PolygonMode& pm,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
|
|
StateAttribute(pm,copyop),
|
|
_frontAndBack(pm._frontAndBack),
|
|
_modeFront(pm._modeFront),
|
|
_modeBack(pm._modeBack) {}
|
|
|
|
META_StateAttribute(PolygonMode, POLYGONMODE);
|
|
|
|
/** 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_Paramter macro's below.
|
|
COMPARE_StateAttribute_Types(PolygonMode,sa)
|
|
|
|
// compare each paramter in turn against the rhs.
|
|
COMPARE_StateAttribute_Parameter(_frontAndBack)
|
|
COMPARE_StateAttribute_Parameter(_modeFront)
|
|
COMPARE_StateAttribute_Parameter(_modeBack)
|
|
|
|
return 0; // passed all the above comparison macro's, must be equal.
|
|
}
|
|
|
|
enum Face {
|
|
FRONT,
|
|
BACK,
|
|
FRONT_AND_BACK
|
|
};
|
|
|
|
enum Mode {
|
|
POINT = GL_POINT,
|
|
LINE = GL_LINE,
|
|
FILL = GL_FILL
|
|
};
|
|
|
|
void setMode(const Face face,const Mode mode);
|
|
|
|
const Mode getMode(const Face face) const;
|
|
|
|
inline const bool getFrontAndBack() const { return _frontAndBack; }
|
|
|
|
virtual void apply(State& state) const;
|
|
|
|
protected:
|
|
|
|
virtual ~PolygonMode();
|
|
|
|
bool _frontAndBack;
|
|
Mode _modeFront;
|
|
Mode _modeBack;
|
|
|
|
};
|
|
|
|
};
|
|
|
|
#endif
|