port from perforce

aiwaz/Aiwaz/Interfaces/IPingPongBuffer.h

@@ -0,0 +1,40 @@
+#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;
+};