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authorFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
committerFluorescentCIAAfricanAmerican <[email protected]>2020-04-22 12:56:21 -0400
commit3bf9df6b2785fa6d951086978a3e66f49427166a (patch)
tree2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /materialsystem/stdshaders/common_fxc2.h
downloadarchived-source-engine-2018-hl2-src-master.tar.xz
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Diffstat (limited to 'materialsystem/stdshaders/common_fxc2.h')
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1 files changed, 19 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/common_fxc2.h b/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_