/usr/include/osgViewer/Renderer is in libopenscenegraph-3.4-dev 3.4.0+dfsg1-4+b3.
This file is owned by root:root, with mode 0o644.
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| 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::GLExtensions*            _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
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