{
	parms {
		stageSort	sortTrans
	}
	state {
		depthmask
		depthfunc GL_ALWAYS
		twosided
	}
	hlsl_vp {
		result.position.x = dot4( vertex.position, $mvpMatrixX );
		result.position.y = dot4( vertex.position, $mvpMatrixY );
		result.position.z = dot4( vertex.position, $mvpMatrixZ );
		result.position.w = dot4( vertex.position, $mvpMatrixW );
		result.texcoord0 = float4( vertex.texcoord0.x, vertex.texcoord0.y, 0, 0 );
		result.color = swizzleColor( vertex.color );
		result.texcoord1 = swizzleColor( vertex.tangent ) * _float4( 2.0 ) - _float4( 1.0 );
	}
	hlsl_fp {
		half4 CoYCgA = tex2D( $transMap, fragment.texcoord0.xy );
		
		// convert to RGBA
		
		// The 0 value for Co and Cg will be at DXT value 16 in the 0 - 31
		// range of 5 bits, which will be expanded to 10000100b in 32 bit
		// color, or 132/255.0 in floating point.
		CoYCgA.xz -= 132.0 / 255.0;
		half4	rgba;
		rgba.x = CoYCgA.w + CoYCgA.x - CoYCgA.z;
		rgba.y = CoYCgA.w + CoYCgA.z;
		rgba.z = CoYCgA.w - CoYCgA.x - CoYCgA.z;
		rgba.w = CoYCgA.y;
		
		// black level adjustment
		float scale = 1.0 - $cbBlackLevel.x;
		float bias = $cbBlackLevel.x;

		// now that we are back in RGB space, apply the vertex color
		rgba *= fragment.color;
		rgba += fragment.texcoord1;

		// use fragment.color.w instead if rgba.w so we don't apply the premultipled alpha twice.
		result.color.xyz = saturate( rgba.xyz * scale + bias ) * fragment.color.w;
		result.color.w = rgba.w;
	}
}