//RadialBlur
		#ifdef RADIALBLUR_ON
        current_step += direction * _ds * dstf; //ds is blur range/distance (0,1)
		#else

		#endif

		//Vignette
		float OuterVig = 1.0; // Position for the Outer vignette
	    float InnerVig = 0.05; // Position for the inner Vignette Ring
	    float4 color = tex2D(_CGrabPass, uv);
	    float2 center = float2(0.5,.5); // Center of Screen
	    float dist  = distance(center,uv )*1.414213; // Distance  between center and the current Uv. Multiplyed by 1.414213 to fit in the range of 0.0 to 1.0
	    float vig = clamp((OuterVig-dist) / (OuterVig-InnerVig),0.0,1.0); // Generate the Vignette with Clamp which go from outer Viggnet ring to inner vignette ring with smooth steps
	    color *= vig; // Multiply the Vignette with the texture color


    }

    total /= amount;
	float vig = total;
	float gray = total.g * 0.6 + total.r * 0.3 + total.b * 0.1;
	float3(gray, gray, gray);
	#ifdef GRAYSCALE_ON
	total = lerp(total, gray.xxx, dstf * _gsvalue);
	#endif
	return float4( total, 1.0 );
}


			}
			ENDCG
		}
	}
}