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66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#ifndef OPENMW_COMPONENTS_RESOURCE_TEXTUREMANAGER_H
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#define OPENMW_COMPONENTS_RESOURCE_TEXTUREMANAGER_H
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#include <string>
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#include <map>
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#include <osg/ref_ptr>
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#include <osg/Image>
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#include <osg/Texture2D>
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namespace VFS
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{
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class Manager;
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}
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namespace Resource
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{
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/// @brief Handles loading/caching of Images and Texture StateAttributes.
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class TextureManager
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{
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public:
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TextureManager(const VFS::Manager* vfs);
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~TextureManager();
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/// @warning It is unsafe to call this function when a draw thread is using the textures. Call stopThreading() first!
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void setFilterSettings(osg::Texture::FilterMode minFilter, osg::Texture::FilterMode maxFilter, int maxAnisotropy);
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/// Keep a copy of the texture data around in system memory? This is needed when using multiple graphics contexts,
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/// otherwise should be disabled to reduce memory usage.
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void setUnRefImageDataAfterApply(bool unref);
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/// Create or retrieve a Texture2D using the specified image filename, and wrap parameters.
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osg::ref_ptr<osg::Texture2D> getTexture2D(const std::string& filename, osg::Texture::WrapMode wrapS, osg::Texture::WrapMode wrapT);
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/// Create or retrieve an Image
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osg::ref_ptr<osg::Image> getImage(const std::string& filename);
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const VFS::Manager* getVFS() { return mVFS; }
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osg::Texture2D* getWarningTexture();
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private:
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const VFS::Manager* mVFS;
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osg::Texture::FilterMode mMinFilter;
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osg::Texture::FilterMode mMagFilter;
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int mMaxAnisotropy;
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typedef std::pair<std::pair<int, int>, std::string> MapKey;
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std::map<std::string, osg::ref_ptr<osg::Image> > mImages;
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std::map<MapKey, osg::ref_ptr<osg::Texture2D> > mTextures;
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osg::ref_ptr<osg::Texture2D> mWarningTexture;
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bool mUnRefImageDataAfterApply;
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TextureManager(const TextureManager&);
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void operator = (const TextureManager&);
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};
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}
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#endif
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