genesis-3d_engine/Engine/graphicsystem/ViewPortWindow.h

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __ViewPortWindow_H__
#define __ViewPortWindow_H__
#include "Camera/Camera.h"
#include "rendersystem/base/RenderDisplay.h"
#include "foundation/delegates/delegatetype.h"

namespace RenderBase
{
	class RenderWindow;
}

namespace Graphic
{
	enum ViewportType
	{
		VPT_Unkown = -1,
		VPT_CustomBegin = 0,
		VPT_CustomEnd = 999999,
		VPT_MAIN,
	};
	typedef Delegates::delegates::CMultiDelegate1<ViewPortWindow*> EventHandle_ViewportChange;
	class ViewPortWindow : public Core::RefCounted
	{
		__DeclareClass(ViewPortWindow);

		//public:
		//enum ViewPortPerspec

	public:
		ViewPortWindow();
		virtual ~ViewPortWindow();

		//void SetDisplay();

		void ChangeSize(SizeT width, SizeT height);

		const RenderBase::DisplayMode& GetDisplayMode(void) const;

		void SetDeviceWindow(RenderBase::RenderWindow*);
		RenderBase::RenderWindow* GetRenderWindow(void) const;

		void ApplyGlobalShaderParam() const;

		void Setup();

		void Destroy();

		void BeginRender();

		void ApplyWindow();

		void OnDeviceReset();

		ViewportType GetType() const;

		bool IsValid() const;

		void SetNeedUpdate(bool need);
		bool GetNeedUpdate() const;

		const GPtr<RenderToTexture>& GetBackBuffer() const; 

		bool _IsDirty() const;
		void _OnChangeSize();

		void _SetType(ViewportType type);
		void _SetDisplayMode(const RenderBase::DisplayMode& mode);


		EventHandle_ViewportChange eventViewportChange;
	private:

		void setupBackBuffer();

		GPtr<RenderToTexture>			m_backBuffer;
		ViewportType					mViewportType;
		RenderBase::RenderWindow*		mpWindow;
		RenderBase::DisplayMode			mDisplayMode;
		bool							mDirty;
		bool							mUpdate;
	};

	//--------------------------------------------------------------------------------
	inline void ViewPortWindow::_SetDisplayMode(const RenderBase::DisplayMode& mode)
	{
		mDisplayMode = mode;
	}
	//--------------------------------------------------------------------------------
	inline const RenderBase::DisplayMode& ViewPortWindow::GetDisplayMode(void) const
	{
		return mDisplayMode;
	}
	//--------------------------------------------------------------------------------
	inline RenderBase::RenderWindow* ViewPortWindow::GetRenderWindow(void) const
	{
		return mpWindow;
	}

	inline bool ViewPortWindow::_IsDirty() const
	{
		return mDirty;
	}

	inline ViewportType ViewPortWindow::GetType() const
	{
		return mViewportType;
	}

	inline void ViewPortWindow::_SetType(ViewportType type)
	{
		mViewportType = type;
	}

	inline void ViewPortWindow::SetNeedUpdate(bool need)
	{
		mUpdate = need;
	}

	inline bool ViewPortWindow::GetNeedUpdate() const
	{
		return mUpdate;
	}

	inline const GPtr<RenderToTexture>& ViewPortWindow::GetBackBuffer() const
	{
		return m_backBuffer;
	}

	inline bool ViewPortWindow::IsValid() const
	{
		return m_backBuffer.isvalid() && (NULL != mpWindow);
	}
}
#endif // __ViewPortWindow_H__