OgreGLES2Support.h

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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) 2000-2014 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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*/

#ifndef __GLES2Support_H__
#define __GLES2Support_H__

#include "OgreGLES2Prerequisites.h"
#include "OgreRenderWindow.h"
#include "OgreConfigOptionMap.h"

namespace Ogre
{
    class GLES2RenderSystem;
    class GLES2StateCacheManager;

    class _OgreGLES2Export GLES2Support
    {
        public:
            GLES2Support() : mStateCacheMgr(0)  { }
            virtual ~GLES2Support() { }

            virtual void addConfig() = 0;
            virtual void setConfigOption(const String &name, const String &value);

            virtual String validateConfig() = 0;
            virtual ConfigOptionMap& getConfigOptions(void);
            virtual RenderWindow* createWindow(bool autoCreateWindow,
                                               GLES2RenderSystem *renderSystem,
                                               const String& windowTitle) = 0;

            virtual RenderWindow* newWindow(const String &name,
                                            unsigned int width, unsigned int height,
                                            bool fullScreen,
                                            const NameValuePairList *miscParams = 0) = 0;

            const String& getGLVendor(void) const
            {
                return mVendor;
            }

            const String& getGLVersion(void) const
            {
                return mVersion;
            }

            const String& getShaderCachePath(void) const
            {
                return mShaderCachePath;
            }

            const String& getShaderLibraryPath(void) const
            {
                return mShaderLibraryPath;
            }

            void setShaderCachePath(String path)
            {
                mShaderCachePath = path;
            }

            void setShaderLibraryPath(String path)
            {
                mShaderLibraryPath = path;
            }

            virtual void *getProcAddress(const String& procname) = 0;

            virtual void initialiseExtensions();

            virtual bool checkExtension(const String& ext) const;

            virtual unsigned int getDisplayMonitorCount() const
            {
                return 1;
            }

            GLES2StateCacheManager* getStateCacheManager() const
            {
                return mStateCacheMgr;
            }
        
            void setStateCacheManager(GLES2StateCacheManager* stateCacheMgr)
            {
                mStateCacheMgr = stateCacheMgr;
            }
            
            virtual void start() = 0;
            virtual void stop() = 0;

        private:
            String mVersion;
            String mVendor;
            String mShaderCachePath;
            String mShaderLibraryPath;

        protected:
            // Stored options
            ConfigOptionMap mOptions;

            // This contains the complete list of supported extensions
            set<String>::type extensionList;
            
            // State cache management
            GLES2StateCacheManager* mStateCacheMgr;
    };

}

#endif