OgreGLES2Texture.h

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/*
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This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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*/

#ifndef __GLES2Texture_H__
#define __GLES2Texture_H__

#include "OgreGLES2Prerequisites.h"
#include "OgreGLES2Support.h"
#include "OgrePlatform.h"
#include "OgreRenderTexture.h"
#include "OgreTexture.h"
#include "OgreHardwarePixelBuffer.h"
#include "OgreGLES2ManagedResource.h"

namespace Ogre {
    class _OgreGLES2Export GLES2Texture : public Texture MANAGED_RESOURCE
    {
        public:
            // Constructor
            GLES2Texture(ResourceManager* creator, const String& name, ResourceHandle handle,
                const String& group, bool isManual, ManualResourceLoader* loader, 
                GLES2Support& support);

            virtual ~GLES2Texture();

            void createRenderTexture();
            HardwarePixelBufferSharedPtr getBuffer(size_t face, size_t mipmap);

            // Takes the OGRE texture type (1d/2d/3d/cube) and returns the appropriate GL one
            GLenum getGLES2TextureTarget(void) const;

            GLuint getGLID() const
            {
                return mTextureID;
            }

        protected:
            void createInternalResourcesImpl(void);
            void prepareImpl(void);
            void unprepareImpl(void);
            void loadImpl(void);
            void freeInternalResourcesImpl(void);

            void _createSurfaceList();

            typedef SharedPtr<vector<Image>::type > LoadedImages;

            LoadedImages mLoadedImages;

            void _createGLTexResource();
        
#if OGRE_PLATFORM == OGRE_PLATFORM_ANDROID

            virtual void notifyOnContextLost();
        
            virtual void notifyOnContextReset();
#endif

        private:
            GLuint mTextureID;
            GLES2Support& mGLSupport;
            
            typedef vector<HardwarePixelBufferSharedPtr>::type SurfaceList;
            SurfaceList mSurfaceList;

    };
}

#endif