libopenscenegraph-3.4-dev 3.4.0+dfsg1-4+b3 / usr / include / osg / Fog

This file is indexed.

/usr/include/osg/Fog is in libopenscenegraph-3.4-dev 3.4.0+dfsg1-4+b3.

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
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/* -*-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_FOG
#define OSG_FOG 1

#include <osg/StateAttribute>
#include <osg/Vec4>

#ifndef GL_FOG_DISTANCE_MODE_NV
    #define GL_FOG_DISTANCE_MODE_NV 0x855A
#endif
#ifndef GL_EYE_PLANE_ABSOLUTE_NV
    #define GL_EYE_PLANE_ABSOLUTE_NV 0x855C
#endif
#ifndef GL_EYE_RADIAL_NV
    #define GL_EYE_RADIAL_NV 0x855B
#endif


#ifndef GL_FOG_COORDINATE
    #define GL_FOG_COORDINATE   0x8451
#endif
#ifndef GL_FRAGMENT_DEPTH
    #define GL_FRAGMENT_DEPTH   0x8452
#endif

#ifndef GL_FOG
    #define GL_FOG 0x0B60
    #define GL_EXP      0x0800
    #define GL_EXP2     0x0801
#endif

#ifndef GL_FOG_HINT
    #define GL_FOG_HINT 0x0C54
#endif

namespace osg {


/** Fog - encapsulates OpenGL fog state. */
class OSG_EXPORT Fog : public StateAttribute
{
    public :

        Fog();

        /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
        Fog(const Fog& fog,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
            StateAttribute(fog,copyop),
            _mode(fog._mode),
            _density(fog._density),
            _start(fog._start),
            _end(fog._end),
            _color(fog._color),
            _fogCoordinateSource(fog._fogCoordinateSource),
            _useRadialFog(fog._useRadialFog)    {}

        META_StateAttribute(osg, Fog,FOG);

        /** 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(Fog,sa)

            // compare each parameter in turn against the rhs.
            COMPARE_StateAttribute_Parameter(_mode)
            COMPARE_StateAttribute_Parameter(_density)
            COMPARE_StateAttribute_Parameter(_start)
            COMPARE_StateAttribute_Parameter(_end)
            COMPARE_StateAttribute_Parameter(_color)
            COMPARE_StateAttribute_Parameter(_fogCoordinateSource)
            COMPARE_StateAttribute_Parameter(_useRadialFog)

            return 0; // passed all the above comparison macros, must be equal.
        }

        virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
        {
            usage.usesMode(GL_FOG);
            return true;
        }

        enum Mode {
            LINEAR = GL_LINEAR,
            EXP    = GL_EXP,
            EXP2   = GL_EXP2
        };

        inline void  setMode( Mode mode )         { _mode = mode; }
        inline Mode getMode() const                     { return _mode; }

        inline void  setDensity( float density )  { _density = density; }
        inline float getDensity() const           { return _density; }

        inline void  setStart( float start )      { _start = start; }
        inline float getStart() const             { return _start; }

        inline void  setEnd( float end )          { _end = end; }
        inline float getEnd() const               { return _end; }

        inline void  setColor( const Vec4 &color ) { _color = color; }
        inline const Vec4& getColor() const        { return _color; }

        inline void setUseRadialFog( bool useRadialFog ) { _useRadialFog = useRadialFog; }
        inline bool getUseRadialFog() const              { return _useRadialFog; }

        enum FogCoordinateSource
        {
            FOG_COORDINATE = GL_FOG_COORDINATE,
            FRAGMENT_DEPTH = GL_FRAGMENT_DEPTH
        };

        inline void setFogCoordinateSource(GLint source) { _fogCoordinateSource = source; }
        inline GLint getFogCoordinateSource() const { return _fogCoordinateSource; }

        virtual void apply(State& state) const;

    protected :

        virtual ~Fog();

        Mode    _mode;
        float   _density;
        float   _start;
        float   _end;
        Vec4    _color;
        GLint   _fogCoordinateSource;
        bool    _useRadialFog;
};

}

#endif

APT Browse - Built by Thomas Orozco.