#pragma once
#include "Resource.h"

struct PingPongBufferDescription
{
	PingPongBufferDescription()
	{
		LoopCount = 0;
		TextureWidth = 0;
		TextureHeight = 0;
		TextureFormat = DataFormat::Unknown;
	}

	uint32 LoopCount;
	string16 ShaderFileName;
	string8 ShaderTechniqueA;
	string8 ShaderTechniqueB;
	string8 PreProcessShaderTechnique;

	uint32 TextureWidth;
	uint32 TextureHeight;
	DataFormat::Enumeration TextureFormat;
};

struct ITexture;
struct IRenderCommandNode;

interface IPingPongBuffer
{
	virtual ~IPingPongBuffer() {}
	virtual ITexture& get_InputTexture() const = 0;
	virtual void set_InputTexture(ITexture& argTexture) = 0;

	virtual ITexture& get_OutputTexture() const = 0;

	virtual const PingPongBufferDescription& get_Descriptor() const = 0;
	virtual void set_Descriptor(const PingPongBufferDescription& argValue) = 0;
	virtual IRenderCommandNode& get_RootNode() const = 0;
	virtual IRenderCommandNode& get_PreProcessNode() const = 0;
};