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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#ifndef STEREO_FRUSTUM_H
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#define STEREO_FRUSTUM_H
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#include <osg/BoundingBox>
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#include <osg/Camera>
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#include <osg/Matrix>
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#include <osg/StateSet>
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#include <osg/Vec3>
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#include <array>
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#include <map>
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#include <memory>
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namespace osg
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{
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class FrameBufferObject;
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class Texture2D;
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class Texture2DMultisample;
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class Texture2DArray;
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}
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namespace osgViewer
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{
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class Viewer;
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}
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namespace usgUtil
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{
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class CullVisitor;
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}
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namespace SceneUtil
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{
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class MWShadowTechnique;
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}
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namespace Stereo
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{
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struct MultiviewFrustumCallback;
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struct ShadowFrustumCallback;
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void joinBoundingBoxes(
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const osg::Matrix& masterProjection, const osg::Matrix& slaveProjection, osg::BoundingBoxd& bb);
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class StereoFrustumManager
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{
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public:
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StereoFrustumManager(bool sharedShadowMaps, osg::Camera* camera);
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~StereoFrustumManager();
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void update(std::array<osg::Matrix, 2> projections);
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const osg::BoundingBoxd& boundingBox() const { return mBoundingBox; }
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void setShadowTechnique(SceneUtil::MWShadowTechnique* shadowTechnique);
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void customFrustumCallback(
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osgUtil::CullVisitor& cv, osg::BoundingBoxd& customClipSpace, osgUtil::CullVisitor*& sharedFrustumHint);
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private:
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osg::ref_ptr<osg::Camera> mCamera;
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osg::ref_ptr<SceneUtil::MWShadowTechnique> mShadowTechnique;
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osg::ref_ptr<ShadowFrustumCallback> mShadowFrustumCallback;
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std::map<osgUtil::CullVisitor*, osgUtil::CullVisitor*> mSharedFrustums;
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osg::BoundingBoxd mBoundingBox;
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std::unique_ptr<MultiviewFrustumCallback> mMultiviewFrustumCallback;
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};
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}
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#endif
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