{
	parms {
		stageSort			sortCoverage
		newDiffuseScale		exposure.x * newDiffuseScale
	}
	state {
	}
	hlsl_vp {
		#include "skinning_normals.inc"

		result.position.x = dot( position, $mvpMatrixX );
		result.position.y = dot( position, $mvpMatrixY );
		result.position.z = dot( position, $mvpMatrixZ );
		result.position.w = dot( position, $mvpMatrixW );

		// texture projection into the preview texture
		float4 v;
		v.x = dot( position, $modelMatrixX );
		v.y = dot( position, $modelMatrixY );
		v.z = dot( position, $modelMatrixZ );
		v.w = dot( position, $modelMatrixW );

		result.texcoord1.x = dot( v, $radiosityPreviewX );
		result.texcoord1.y = dot( v, $radiosityPreviewY );
		result.texcoord1.z = dot( v, $radiosityPreviewZ );
		result.texcoord1.w = dot( v, $radiosityPreviewW );

		// fog factor in texture 0
		result.texcoord0.xy = _float2( 0.0 );
		result.texcoord0.z = -( clamp( result.position.w - $fogStart.x, 0.0, $fogEnd.x ) * $fogScale.x );
		result.texcoord0.w = 0.0;
	}
	hlsl_fp {
		float2	tc;
		tc.x = fragment.texcoord1.x / fragment.texcoord1.w;
		tc.y = fragment.texcoord1.y / fragment.texcoord1.w;

		tc = ( tc + 1.0 ) * 0.5;
		float4 color = tex2D( $radiosityPreviewMap, tc );

//		color.xyz *= $newDiffuseScale.xyz;

		//---------------------------------------------------------------
		// read the dimshadow factor, apply before fog
		//---------------------------------------------------------------
		// this is normalized window space, not strict openGL window space
		// that uses integer viewport values.
		float4 window;
		window.xy = screenPosToTexcoord( fragment.position.xy, $renderPositionToViewTexture );
		window.z = 0.0;
		window.w = 0.0;	// blur factor
		float shadow = tex2Dlod( $viewColorMap, window ).w;	// from alpha channel

		// only use half the dimshadow value, since we can't separate the
		// contribution along the shadow from the remainder
		shadow = saturate( shadow + 0.5 );



//		color = tex2D( $radiosityPreviewMap, (float2)window );
//		color.xyz *= $newDiffuseScale.xyz;

		color.xyz *= shadow;

		// --------- calculate fog
		half fog = saturate( exp2( fragment.texcoord0.z ) );

		// lerp towards the fog color by the fog factor
		result.color = lerp( $fogColor, color, fog );
		result.color1 = _float4( 0.0 );
	}
}