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diff --git a/materialsystem/shaderapidx9/shaderapidx8.h b/materialsystem/shaderapidx9/shaderapidx8.h
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+++ b/materialsystem/shaderapidx9/shaderapidx8.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+
+#ifndef SHADERAPIDX8_H
+#define SHADERAPIDX8_H
+
+#include "shaderapibase.h"
+#include "shaderapi/ishadershadow.h"
+#include "locald3dtypes.h"
+
+//-----------------------------------------------------------------------------
+// Vendor-specific defines
+//-----------------------------------------------------------------------------
+#define ATI_FETCH4_ENABLE		MAKEFOURCC('G','E','T','4')
+#define ATI_FETCH4_DISABLE		MAKEFOURCC('G','E','T','1')
+#define ATISAMP_FETCH4			D3DSAMP_MIPMAPLODBIAS
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CMeshBase;
+class CMeshBuilder;
+struct ShadowState_t;
+class IMaterialInternal;
+
+
+//-----------------------------------------------------------------------------
+// State that matters to buffered meshes... (for debugging only)
+//-----------------------------------------------------------------------------
+struct BufferedState_t
+{
+	D3DXMATRIX m_Transform[3];
+	D3DVIEWPORT9 m_Viewport;
+	int m_BoundTexture[16];
+	void *m_VertexShader;
+	void *m_PixelShader;
+};
+
+
+//-----------------------------------------------------------------------------
+// The DX8 shader API
+//-----------------------------------------------------------------------------
+// FIXME: Remove this! Either move them into CShaderAPIBase or CShaderAPIDx8
+class IShaderAPIDX8 : public CShaderAPIBase
+{
+public:
+	// Draws the mesh
+	virtual void DrawMesh( CMeshBase *pMesh ) = 0;
+
+	// Draw the mesh with the currently bound vertex and index buffers.
+	virtual void DrawWithVertexAndIndexBuffers( void ) = 0;
+
+	// modifies the vertex data when necessary
+	virtual void ModifyVertexData( ) = 0;
+
+	// Gets the current buffered state... (debug only)
+	virtual void GetBufferedState( BufferedState_t &state ) = 0;
+
+	// Gets the current backface cull state....
+	virtual D3DCULL GetCullMode() const = 0;
+
+	// Measures fill rate
+	virtual void ComputeFillRate() = 0;
+
+	// Selection mode methods
+	virtual bool IsInSelectionMode() const = 0;
+
+	// We hit somefin in selection mode
+	virtual void RegisterSelectionHit( float minz, float maxz ) = 0;
+
+	// Get the currently bound material
+	virtual IMaterialInternal* GetBoundMaterial() = 0;
+
+	// These methods are called by the transition table
+	// They depend on dynamic state so can't exist inside the transition table
+	virtual void ApplyZBias( const ShadowState_t &shaderState ) = 0;
+	virtual void ApplyTextureEnable( const ShadowState_t &state, int stage ) = 0;
+	virtual void ApplyCullEnable( bool bEnable ) = 0;
+	virtual void SetVertexBlendState( int numBones ) = 0;
+	virtual void ApplyFogMode( ShaderFogMode_t fogMode, bool bSRGBWritesEnabled, bool bDisableGammaCorrection ) = 0;
+
+	virtual int GetActualTextureStageCount() const = 0;
+	virtual int GetActualSamplerCount() const = 0;
+
+	virtual bool IsRenderingMesh() const = 0;
+
+	// Fog methods...
+	virtual void FogMode( MaterialFogMode_t fogMode ) = 0;
+
+	virtual int GetCurrentFrameCounter( void ) const = 0;
+
+	// Workaround hack for visualization of selection mode
+	virtual void SetupSelectionModeVisualizationState() = 0;
+
+	virtual bool UsingSoftwareVertexProcessing() const = 0;
+
+	//notification that the SRGB write state is being changed
+	virtual void EnabledSRGBWrite( bool bEnabled ) = 0;
+
+	// Alpha to coverage
+	virtual void ApplyAlphaToCoverage( bool bEnable ) = 0;
+
+#if defined( _X360 )
+	virtual void ApplySRGBReadState( int iTextureStage, bool bSRGBReadEnabled ) = 0; //360 needs to rebind the texture over again instead of setting a sampler state
+#endif
+
+	virtual void PrintfVA( char *fmt, va_list vargs ) = 0;
+	virtual void Printf( PRINTF_FORMAT_STRING const char *fmt, ... ) = 0;	
+	virtual float Knob( char *knobname, float *setvalue = NULL ) = 0;
+};
+
+
+#endif // SHADERAPIDX8_H