port from perforce

aiwaz/Aiwaz/CommonObjectFactory/PingPongBuffer/PingPongBuffer.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "IEngine.h"
+#include "IShader.h"
+#include "ITexture.h"
+#include "IRenderCommandNode.h"
+#include "IResourceFactory.h"
+#include "IPingPongBuffer.h"
+
+
+class PingPongBuffer
+	: public IPingPongBuffer
+{
+public:
+	PingPongBuffer(IEngine& argEngine);
+	virtual ~PingPongBuffer();
+
+	virtual ITexture& get_InputTexture() const;
+	virtual void set_InputTexture(ITexture& argTexture);
+
+	virtual ITexture& get_OutputTexture() const;
+
+	virtual const PingPongBufferDescription& get_Descriptor() const;
+	virtual void set_Descriptor(const PingPongBufferDescription& argValue);
+	virtual IRenderCommandNode& get_RootNode() const;
+	virtual IRenderCommandNode& get_PreProcessNode() const;
+
+protected:
+	void Rebuild(const PingPongBufferDescription& argValue);
+
+private:
+	IEngine& m_Engine;
+
+	PingPongBufferDescription m_Descriptor;
+
+	ITexture* m_InputTexture;
+
+	IRenderCommandNode* m_RootNode;
+	IRenderCommandNode* m_PreProcessNode;
+	IRenderCommandNode* m_RenderTargetNodeA;
+	IRenderCommandNode* m_RenderTargetNodeB;
+	IShader* m_ShaderA;
+	IShader* m_ShaderB;
+	IShader* m_ShaderPreProcess;
+	IRenderTargetTexture* m_TextureA;
+	IRenderTargetTexture* m_TextureB;
+	IGeometryBuffer* m_ScreenQuad;
+	IShaderParameterCollection* m_ShaderParameterA;
+	IShaderParameterCollection* m_ShaderParameterB;
+	IShaderParameterCollection* m_ShaderParameterPreProcess;
+};