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diff --git a/materialsystem/shaderapidx9/vertexshaderdx8.h b/materialsystem/shaderapidx9/vertexshaderdx8.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+
+#ifndef VERTEXSHADERDX8_H
+#define VERTEXSHADERDX8_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "shaderapi/ishaderapi.h"
+#include "locald3dtypes.h"
+
+
+// uncomment to get dynamic compilation for HLSL shaders
+// X360 NOTE: By default, the system looks for a shared folder named "stdshaders" on the host machine and is completely compatible with -dvd. Ensure that the share is writable if you plan on generating UPDB's.
+//#define DYNAMIC_SHADER_COMPILE
+
+// Uncomment to use remoteshadercompiler.exe as a shader compile server
+// Must also set mat_remoteshadercompile to remote shader compile machine name
+//#define REMOTE_DYNAMIC_SHADER_COMPILE
+
+// uncomment to get spew about what combos are being compiled.
+//#define DYNAMIC_SHADER_COMPILE_VERBOSE
+
+// Uncomment to use remoteshadercompiler.exe as a shader compile server
+// Must also set mat_remoteshadercompile to remote shader compile machine name
+//#define REMOTE_DYNAMIC_SHADER_COMPILE
+
+// uncomment and fill in with a path to use a specific set of shader source files. Meant for network use.
+//		PC path format is of style "\\\\somemachine\\sourcetreeshare\\materialsystem\\stdshaders"
+//		Xbox path format is of style "net:\\smb\\somemachine\\sourcetreeshare\\materialsystem\\stdshaders"
+//			- Xbox dynamic compiles without a custom path default to look directly for "stdshaders" share on host pc
+
+//#define DYNAMIC_SHADER_COMPILE_CUSTOM_PATH ""
+
+// uncomment to get disassembled (asm) shader code in your game dir as *.asm
+//#define DYNAMIC_SHADER_COMPILE_WRITE_ASSEMBLY
+
+// uncomment to get disassembled (asm) shader code in your game dir as *.asm
+//#define WRITE_ASSEMBLY
+
+
+enum VertexShaderLightTypes_t
+{
+	LIGHT_NONE = -1,
+	LIGHT_SPOT = 0,
+	LIGHT_POINT = 1,
+	LIGHT_DIRECTIONAL = 2,
+	LIGHT_STATIC = 3,
+	LIGHT_AMBIENTCUBE = 4,
+};
+
+//-----------------------------------------------------------------------------
+// Vertex + pixel shader manager
+//-----------------------------------------------------------------------------
+abstract_class IShaderManager
+{
+protected:
+
+	// The current vertex and pixel shader index
+	int m_nVertexShaderIndex;
+	int m_nPixelShaderIndex;
+
+public:
+	// Initialize, shutdown
+	virtual void Init() = 0;
+	virtual void Shutdown() = 0;
+
+	// Compiles vertex shaders
+	virtual IShaderBuffer *CompileShader( const char *pProgram, size_t nBufLen, const char *pShaderVersion ) = 0;
+
+	// New version of these methods	[dx10 port]
+	virtual VertexShaderHandle_t CreateVertexShader( IShaderBuffer* pShaderBuffer ) = 0;
+	virtual void DestroyVertexShader( VertexShaderHandle_t hShader ) = 0;
+	virtual PixelShaderHandle_t CreatePixelShader( IShaderBuffer* pShaderBuffer ) = 0;
+	virtual void DestroyPixelShader( PixelShaderHandle_t hShader ) = 0;
+
+	// Creates vertex, pixel shaders
+	virtual VertexShader_t CreateVertexShader( const char *pVertexShaderFile, int nStaticVshIndex = 0, char *debugLabel = NULL  ) = 0;
+	virtual PixelShader_t CreatePixelShader( const char *pPixelShaderFile, int nStaticPshIndex = 0, char *debugLabel = NULL ) = 0;
+
+	// Sets which dynamic version of the vertex + pixel shader to use
+	FORCEINLINE void SetVertexShaderIndex( int vshIndex );
+	FORCEINLINE void SetPixelShaderIndex( int pshIndex );
+
+	// Sets the vertex + pixel shader render state
+	virtual void SetVertexShader( VertexShader_t shader ) = 0;
+	virtual void SetPixelShader( PixelShader_t shader ) = 0;
+
+	// Resets the vertex + pixel shader state
+	virtual void ResetShaderState() = 0;
+
+	// Returns the current vertex + pixel shaders
+	virtual void *GetCurrentVertexShader() = 0;
+	virtual void *GetCurrentPixelShader() = 0;
+
+	virtual void ClearVertexAndPixelShaderRefCounts() = 0;
+	virtual void PurgeUnusedVertexAndPixelShaders() = 0;
+
+	// The low-level dx call to set the vertex shader state
+	virtual void BindVertexShader( VertexShaderHandle_t shader ) = 0;
+	virtual void BindPixelShader( PixelShaderHandle_t shader ) = 0;
+
+#if defined( _X360 )
+	virtual const char *GetActiveVertexShaderName() = 0;
+	virtual const char *GetActivePixelShaderName() = 0;
+#endif
+
+#if defined( DX_TO_GL_ABSTRACTION )
+	virtual void DoStartupShaderPreloading() = 0;
+#endif
+};
+
+//-----------------------------------------------------------------------------
+//
+// Methods related to setting vertex + pixel shader state
+//
+//-----------------------------------------------------------------------------
+FORCEINLINE void IShaderManager::SetVertexShaderIndex( int vshIndex )
+{
+	m_nVertexShaderIndex = vshIndex;
+}
+
+FORCEINLINE void IShaderManager::SetPixelShaderIndex( int pshIndex )
+{
+	m_nPixelShaderIndex = pshIndex;
+}
+
+#endif // VERTEXSHADERDX8_H