#pragma once
#include "pbuffer.h"
#include <gl/glext.h>

class RenderTexture
{
public:
	RenderTexture(void);
	~RenderTexture(void);
private:
	GLenum m_textype;	
	PBuffer *m_pBuffer;
	int width;
	int height;
	GLuint m_pbufferColorTextureID;
	GLuint m_pbufferDepthTextureID;
	GLuint m_pbufferAux1ID;
	GLuint m_pbufferAux2ID;
	GLuint m_pbufferAux3ID;
	GLuint m_pbufferAux4ID;

public:
	int Initialize(int width, int height,const char *strMode, bool rect=true);
	int EnableTarget(void);
	int DisableTarget(void);

	void EnablewithColorRelease(){ReleaseColorBuffer();EnableTarget();}
	void DisablewithColorBind(){DisableTarget();BindColorBuffer();}

	int BindColorBuffer(){glBindTexture(m_textype, m_pbufferColorTextureID);
							return m_pBuffer->Bind(WGL_FRONT_LEFT_ARB);}
	int BindDepthBuffer(){glBindTexture(m_textype, m_pbufferDepthTextureID);
							return m_pBuffer->Bind(WGL_DEPTH_COMPONENT_NV);}
	void BindAUXBuffers(){glBindTexture(m_textype, m_pbufferAux1ID);
									m_pBuffer->Bind(WGL_AUX0_ARB);
								glBindTexture(m_textype, m_pbufferAux2ID);
									m_pBuffer->Bind(WGL_AUX1_ARB);
								glBindTexture(m_textype, m_pbufferAux3ID);
									m_pBuffer->Bind(WGL_AUX2_ARB);
								glBindTexture(m_textype, m_pbufferAux4ID);
									m_pBuffer->Bind(WGL_AUX3_ARB);}
	int ReleaseColorBuffer(){glBindTexture(m_textype, m_pbufferColorTextureID);
								return m_pBuffer->Release(WGL_FRONT_LEFT_ARB);}
	int ReleaseDepthBuffer(){glBindTexture(m_textype, m_pbufferDepthTextureID);
								return m_pBuffer->Release(WGL_DEPTH_COMPONENT_NV);}
	void ReleaseAUXBuffers(){glBindTexture(m_textype, m_pbufferAux1ID);
									m_pBuffer->Release(WGL_AUX0_ARB);
								glBindTexture(m_textype, m_pbufferAux2ID);
									m_pBuffer->Release(WGL_AUX1_ARB);
								glBindTexture(m_textype, m_pbufferAux3ID);
									m_pBuffer->Release(WGL_AUX2_ARB);
								glBindTexture(m_textype, m_pbufferAux4ID);
									m_pBuffer->Release(WGL_AUX3_ARB);}

	GLuint getColorTextureID(void);
	GLuint getDepthTextureID(void);

	GLuint getAuxTextureID(int i)
	{
		switch(i)
		{
		case 0:
			return m_pbufferAux1ID;
			break;
		case 1:
			return m_pbufferAux2ID;
			break;
		case 2:
			return m_pbufferAux3ID;
			break;
		case 3:
			return m_pbufferAux4ID;
			break;
		}
	}
};