1 files changed, 67 insertions, 0 deletions
diff --git a/engine/initmathlib.cpp b/engine/initmathlib.cpp
new file mode 100644
index 0000000..9628305
--- /dev/null
+++ b/engine/initmathlib.cpp
@@ -0,0 +1,67 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+
+#include "mathlib/mathlib.h"
+#include "convar.h" // ConVar define
+#include "view.h"
+#include "gl_cvars.h" // mat_overbright
+#include "cmd.h" // Cmd_*
+#include "console.h"  // ConMsg
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+static bool s_bAllow3DNow = true;
+static bool s_bAllowSSE2 = true;
+
+void InitMathlib( void )
+{
+	MathLib_Init( 2.2f, // v_gamma.GetFloat()
+		2.2f, // v_texgamma.GetFloat()
+		0.0f /*v_brightness.GetFloat() */, 
+		2.0f /*mat_overbright.GetInt() */, s_bAllow3DNow, true, s_bAllowSSE2, true );
+}
+
+/*
+===============
+R_SSE2
+===============
+*/
+CON_COMMAND( r_sse2, "Enable/disable SSE2 code" )
+{
+	if (args.ArgC() == 1)
+	{
+		s_bAllowSSE2 = true;
+	}
+	else
+	{
+		s_bAllowSSE2 = atoi( args[1] ) ? true : false;
+	}
+
+	InitMathlib();
+	ConMsg( "SSE2 code is %s\n", MathLib_SSE2Enabled() ? "enabled" : "disabled" );
+}
+
+/*
+===============
+R_3DNow
+===============
+*/
+CON_COMMAND( r_3dnow, "Enable/disable 3DNow code" )
+{
+	if (args.ArgC() == 1)
+	{
+		s_bAllow3DNow = true;
+	}
+	else
+	{
+		s_bAllow3DNow  = atoi( args[1] ) ? true : false;
+	}
+
+	InitMathlib();
+	ConMsg( "3DNow code is %s\n", MathLib_3DNowEnabled() ? "enabled" : "disabled" );
+}
+\ No newline at end of file