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76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
#ifndef OPENMW_COMPONENTS_TERRAIN_COMPOSITEMAPRENDERER_H
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#define OPENMW_COMPONENTS_TERRAIN_COMPOSITEMAPRENDERER_H
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#include <osg/Drawable>
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#include <OpenThreads/Mutex>
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#include <set>
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namespace osg
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{
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class FrameBufferObject;
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class RenderInfo;
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class Texture2D;
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}
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namespace Terrain
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{
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class CompositeMap : public osg::Referenced
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{
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public:
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CompositeMap();
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~CompositeMap();
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std::vector<osg::ref_ptr<osg::Drawable> > mDrawables;
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osg::ref_ptr<osg::Texture2D> mTexture;
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unsigned int mCompiled;
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};
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/**
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* @brief The CompositeMapRenderer is responsible for updating composite map textures in a blocking or non-blocking way.
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*/
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class CompositeMapRenderer : public osg::Drawable
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{
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public:
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CompositeMapRenderer();
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virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
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void compile(CompositeMap& compositeMap, osg::RenderInfo& renderInfo, double* timeLeft) const;
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/// Set the available time in seconds for compiling (non-immediate) composite maps each frame
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void setMinimumTimeAvailableForCompile(double time);
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/// If current frame rate is higher than this, the extra time will be set aside to do more compiling
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void setTargetFrameRate(float framerate);
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/// Add a composite map to be rendered
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void addCompositeMap(CompositeMap* map, bool immediate=false);
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/// Mark this composite map to be required for the current frame
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void setImmediate(CompositeMap* map);
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unsigned int getCompileSetSize() const;
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private:
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float mTargetFrameRate;
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double mMinimumTimeAvailable;
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mutable osg::Timer mTimer;
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typedef std::set<osg::ref_ptr<CompositeMap> > CompileSet;
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mutable CompileSet mCompileSet;
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mutable CompileSet mImmediateCompileSet;
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mutable CompileSet mCompiled;
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mutable OpenThreads::Mutex mMutex;
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osg::ref_ptr<osg::FrameBufferObject> mFBO;
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};
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}
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#endif
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