hl2_src-leak-2017/src/materialsystem/stdshaders/common_fxc2.h

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#ifndef COMMON_FXC2_H_
#define COMMON_FXC2_H_
// This file is here so you can add new utility functions without
// changing common_fxc.h and causing a recompile of the entire universe.
float LinearToMonochrome ( float3 r )
{
return dot( r, float3( 0.299f, 0.587f, 0.114f ) );
}
#endif //#ifndef COMMON_FXC2_H_