initial

materialsystem/stdshaders/hsv_ps2x.fxc

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+//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
+
+#include "common_ps_fxc.h"
+
+sampler BaseTextureSampler	: register( s0 );
+
+struct PS_INPUT
+{
+	float2 baseTexCoord				: TEXCOORD0;
+};
+	   
+HALF4 main( PS_INPUT i ) : COLOR
+{
+	float4 result;
+	float4 baseColor; 
+	float maxValue;
+
+	baseColor = tex2D( BaseTextureSampler, i.baseTexCoord );
+	maxValue = max( baseColor.r, baseColor.g );
+	maxValue = max( baseColor.b, maxValue );
+	result = maxValue;
+	result.a = 1.0f;
+	return FinalOutput( result, 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}