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Diffstat (limited to 'mp/src/materialsystem/stdshaders/common_fxc2.h')
-rw-r--r--mp/src/materialsystem/stdshaders/common_fxc2.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/mp/src/materialsystem/stdshaders/common_fxc2.h b/mp/src/materialsystem/stdshaders/common_fxc2.h
new file mode 100644
index 00000000..7ee8b48c
--- /dev/null
+++ b/mp/src/materialsystem/stdshaders/common_fxc2.h
@@ -0,0 +1,19 @@
+//========= 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_