104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/* -*-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 <osg/Timer>
|
|
#include <osgUtil/SceneView>
|
|
#include <osgViewer/Export>
|
|
|
|
namespace osgViewer {
|
|
|
|
class OpenGLQuerySupport
|
|
{
|
|
public:
|
|
OpenGLQuerySupport();
|
|
|
|
typedef std::pair<GLuint, int> QueryFrameNumberPair;
|
|
typedef std::list<QueryFrameNumberPair> QueryFrameNumberList;
|
|
typedef std::vector<GLuint> QueryList;
|
|
|
|
void setStartTick(osg::Timer_t startTick) { _startTick = startTick; }
|
|
osg::Timer_t getStartTick() const { return _startTick; }
|
|
|
|
void checkQuery(osg::Stats* stats);
|
|
|
|
GLuint createQueryObject();
|
|
void beginQuery(int frameNumber);
|
|
inline void endQuery();
|
|
void initialize(osg::State* state);
|
|
|
|
protected:
|
|
|
|
osg::Timer_t _startTick;
|
|
bool _initialized;
|
|
bool _timerQuerySupported;
|
|
const osg::Drawable::Extensions* _extensions;
|
|
QueryFrameNumberList _queryFrameNumberList;
|
|
QueryList _availableQueryObjects;
|
|
double _previousQueryTime;
|
|
|
|
};
|
|
|
|
class OSGVIEWER_EXPORT Renderer : public osg::GraphicsOperation, public OpenGLQuerySupport
|
|
{
|
|
public:
|
|
|
|
Renderer(osg::Camera* camera);
|
|
|
|
osgUtil::SceneView* getSceneView(unsigned int i) { return _sceneView[i].get(); }
|
|
|
|
void setDone(bool done) { _done = done; }
|
|
bool getDone() { return _done; }
|
|
|
|
void setGraphicsThreadDoesCull(bool flag);
|
|
bool getGraphicsThreadDoesCull() const { return _graphicsThreadDoesCull; }
|
|
|
|
void cull();
|
|
void draw();
|
|
void cull_draw();
|
|
|
|
virtual void operator () (osg::Object* object);
|
|
|
|
virtual void operator () (osg::GraphicsContext* context);
|
|
|
|
virtual void release();
|
|
|
|
protected:
|
|
|
|
void updateSceneView(osgUtil::SceneView* sceneView);
|
|
|
|
virtual ~Renderer();
|
|
|
|
osg::observer_ptr<osg::Camera> _camera;
|
|
|
|
bool _done;
|
|
bool _graphicsThreadDoesCull;
|
|
unsigned int _currentCull;
|
|
unsigned int _currentDraw;
|
|
|
|
OpenThreads::Mutex _mutex[2];
|
|
bool _lockHeld[2];
|
|
osg::ref_ptr<osgUtil::SceneView> _sceneView[2];
|
|
int _frameNumber[2];
|
|
|
|
osg::ref_ptr<osg::FlushDeletedGLObjectsOperation> _flushOperation;
|
|
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|