This file is indexed.

/usr/include/osgViewer/Renderer 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
 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
/* -*-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 OSGVIEWER_RENDERER
#define OSGVIEWER_RENDERER 1

#include <OpenThreads/Condition>
#include <osg/Timer>
#include <osgDB/DatabasePager>
#include <osgUtil/SceneView>
#include <osgViewer/Export>

namespace osgViewer {

class OSGVIEWER_EXPORT OpenGLQuerySupport : public osg::Referenced
{
    public:
        OpenGLQuerySupport();

        virtual void checkQuery(osg::Stats* stats, osg::State* state,
                                osg::Timer_t startTick) = 0;

        virtual void beginQuery(unsigned int frameNumber, osg::State* state) = 0;
        virtual void endQuery(osg::State* state) = 0;
        virtual void initialize(osg::State* state, osg::Timer_t startTick);
    protected:

        const osg::Drawable::Extensions*            _extensions;
};

class OSGVIEWER_EXPORT Renderer : public osg::GraphicsOperation
{
    public:

        Renderer(osg::Camera* camera);

        osgUtil::SceneView* getSceneView(unsigned int i) { return _sceneView[i].get(); }
        const osgUtil::SceneView* getSceneView(unsigned int i) const { return _sceneView[i].get(); }

        void setDone(bool done) { _done = done; }
        bool getDone() { return _done; }

        void setGraphicsThreadDoesCull(bool flag);
        bool getGraphicsThreadDoesCull() const { return _graphicsThreadDoesCull; }


        virtual void cull();
        virtual void draw();
        virtual void cull_draw();

        virtual void compile();

        void setCompileOnNextDraw(bool flag) { _compileOnNextDraw = flag; }
        bool getCompileOnNextDraw() const { return _compileOnNextDraw; }

        virtual void operator () (osg::Object* object);

        virtual void operator () (osg::GraphicsContext* context);

        virtual void release();

        virtual void reset();

        /** Force update of state associated with cameras. */
        void setCameraRequiresSetUp(bool flag);
        bool getCameraRequiresSetUp() const;

    protected:
        void initialize(osg::State* state);
        virtual ~Renderer();

        virtual void updateSceneView(osgUtil::SceneView* sceneView);

        osg::observer_ptr<osg::Camera>                      _camera;

        bool                                                _done;
        bool                                                _graphicsThreadDoesCull;
        bool                                                _compileOnNextDraw;
        bool                                                _serializeDraw;

        osg::ref_ptr<osgUtil::SceneView>                    _sceneView[2];

        struct OSGVIEWER_EXPORT ThreadSafeQueue
        {
            OpenThreads::Mutex _mutex;
            OpenThreads::Condition _cond;
            typedef std::list<osgUtil::SceneView*> SceneViewList;
            SceneViewList _queue;
            bool _isReleased;

            ThreadSafeQueue();
            ~ThreadSafeQueue();

            /** Release any thread waiting on the queue, even if the queue is empty. */
            void release();

            /** Reset to fefault state (_isReleased = false)*/
            void reset();

            /** Take a SceneView from the queue. Can return 0 if release() is called when the queue is empty. */
            osgUtil::SceneView* takeFront();

            /**  Add a SceneView object to the back of the queue. */
            void add(osgUtil::SceneView* sv);
        };


        ThreadSafeQueue _availableQueue;
        ThreadSafeQueue _drawQueue;

        bool _initialized;
        osg::ref_ptr<OpenGLQuerySupport> _querySupport;
        osg::Timer_t _startTick;
};

}

#endif