MyGUI_RenderManager.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_RENDER_MANAGER_H_
#define MYGUI_RENDER_MANAGER_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Singleton.h"
#include "MyGUI_RenderFormat.h"
#include "MyGUI_ITexture.h"
#include "MyGUI_IVertexBuffer.h"
#include "MyGUI_IRenderTarget.h"
 
namespace MyGUI
{
 
    class MYGUI_EXPORT RenderManager
    {
        MYGUI_SINGLETON_DECLARATION(RenderManager);
    public:
        RenderManager();
        virtual ~RenderManager() = default;
 
        virtual IVertexBuffer* createVertexBuffer() = 0;
        virtual void destroyVertexBuffer(IVertexBuffer* _buffer) = 0;
 
        virtual ITexture* createTexture(const std::string& _name) = 0;
        virtual void destroyTexture(ITexture* _texture) = 0;
        virtual ITexture* getTexture(const std::string& _name) = 0;
 
        //FIXME возможно перенести в структуру о рендер таргете
        virtual const IntSize& getViewSize() const = 0;
 
        virtual VertexColourType getVertexFormat() const = 0;
 
        virtual bool isFormatSupported(PixelFormat _format, TextureUsage _usage);
 
        virtual void setViewSize(int _width, int _height) = 0;
 
        virtual void registerShader(
            const std::string& _shaderName,
            const std::string& _vertexProgramFile,
            const std::string& _fragmentProgramFile) = 0;
 
#if MYGUI_DEBUG_MODE == 1
        virtual bool checkTexture(ITexture* _texture);
#endif
 
    protected:
        virtual void onResizeView(const IntSize& _viewSize);
        virtual void onRenderToTarget(IRenderTarget* _target, bool _update);
        virtual void onFrameEvent(float _time);
    };
 
} // namespace MyGUI
 
#endif // MYGUI_RENDER_MANAGER_H_