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diff --git a/materialsystem/shaderapidx9/shaderapibase.h b/materialsystem/shaderapidx9/shaderapibase.h
new file mode 100644
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+++ b/materialsystem/shaderapidx9/shaderapibase.h
@@ -0,0 +1,86 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+
+#ifndef SHADERRENDERBASE_H
+#define SHADERRENDERBASE_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "togl/rendermechanism.h"
+#include "shaderapi/ishaderapi.h"
+#include "shaderapi_global.h"
+#include "locald3dtypes.h"
+
+// Colors for PIX graphs
+#define PIX_VALVE_ORANGE	0xFFF5940F
+
+
+//-----------------------------------------------------------------------------
+// The Base implementation of the shader rendering interface
+//-----------------------------------------------------------------------------
+class CShaderAPIBase : public IShaderAPI
+{
+public:
+	// constructor, destructor
+	CShaderAPIBase();
+	virtual ~CShaderAPIBase();
+
+	// Called when the device is initializing or shutting down
+	virtual bool OnDeviceInit() = 0;
+	virtual void OnDeviceShutdown() = 0;
+
+	// Pix events
+	virtual void BeginPIXEvent( unsigned long color, const char *szName ) = 0;
+	virtual void EndPIXEvent() = 0;
+	virtual void AdvancePIXFrame() = 0;
+
+	// Release, reacquire objects
+	virtual void ReleaseShaderObjects() = 0;
+	virtual void RestoreShaderObjects() = 0;
+
+	// Resets the render state to its well defined initial value
+	virtual void ResetRenderState( bool bFullReset = true ) = 0;
+
+	// Returns a d3d texture associated with a texture handle
+	virtual IDirect3DBaseTexture* GetD3DTexture( ShaderAPITextureHandle_t hTexture ) = 0;
+
+	// Queues a non-full reset of render state next BeginFrame.
+	virtual void QueueResetRenderState() = 0;
+
+	// Methods of IShaderDynamicAPI
+public:
+	virtual void GetCurrentColorCorrection( ShaderColorCorrectionInfo_t* pInfo );
+
+protected:
+};
+
+
+//-----------------------------------------------------------------------------
+// Pix measurement class
+//-----------------------------------------------------------------------------
+class CPixEvent
+{
+public:
+	CPixEvent( unsigned long color, const char *szName )
+	{
+		if ( g_pShaderAPI )
+			g_pShaderAPI->BeginPIXEvent( color, szName );
+	}
+
+	~CPixEvent()
+	{
+		if ( g_pShaderAPI )
+			g_pShaderAPI->EndPIXEvent();
+	}
+};
+
+
+#endif // SHADERRENDERBASE_H