#pragma once
#include "EtPostProcessFilter.h"

class CEtGaussianFilter : public CEtPostProcessFilter
{
public:
	CEtGaussianFilter();
	~CEtGaussianFilter();
	virtual void Clear();

	struct STempRenderTarget
	{
		int nWidth;
		int nHeight;
		EtTextureHandle hRenderTarget;
	};

protected:
	EtTextureHandle m_hCurRenderTarget;
	EtVector4 m_vBlurRadius;
	int m_nTexParamIndex;
	int m_nBlurRadiusIndex;
	static std::vector< STempRenderTarget > s_vecTempRenderTarget;

public:
	// °¡¿ì½Ã¾È ÇÊÅÍ´Â ½ÇÁ¦ ·»´õ¸µ ·çÇÁ¿¡¼­ ·»´õ µÇ´Â°Ô ¾Æ´Ï¶ó. ºí·ëó·³ ÇÊ¿äÇÑ ÇÊÅ͵éÀÌ È£ÃâÇؼ­
	// »ç¿ëÇϵµ·Ï ÇØ¾ß ÇÑ´Ù. ±×·¡¼­ Render() Äڵ尡 ¾ø´Ù.
	virtual void Initialize();
	virtual void Render( float fElapsedTime ) {}

	void CreateRenderTarget( int nWidth, int nHeight );
	void RenderGaussianFilter( CEtTexture *pSourTex, CEtTexture *pTargetTex, float fBlurSize );
};