{
	parms {
	}
	state {
		depthfunc	GL_ALWAYS
		depthmask		
		twosided
	}
	hlsl_vp {
		result.position = vertex.position;
	}
	hlsl_fp {
		#include "includes/luminance.inc"

		float4 tc = float4( 0.5, -0.5, 0.0, 10.0 );

		half3 total;
		total  = tex2Dlod( $viewColorMap, tc - float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.0, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;
		tc.y += 0.5;
		total += tex2Dlod( $viewColorMap, tc - float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.0, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;
		tc.y += 0.5;
		total += tex2Dlod( $viewColorMap, tc - float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.0, 0.0, 0.0, 0.0 ) ).xyz;
		total += tex2Dlod( $viewColorMap, tc + float4( 0.5, 0.0, 0.0, 0.0 ) ).xyz;

		total *= ( 1.0 / 9.0 );

		float newLuminance;
		Luminance_BT601( newLuminance, total );
		float oldLuminance = tex2D( $adaptiveLuminance, float2( 0.5, 0.5 ) ).x;

		const float decay = $adaptiveGlareParms.w;
		result.color.xyz = _float3( oldLuminance + ( newLuminance - oldLuminance ) * decay );
		result.color.w = 1.0;
	}
}