Shader "Custom/SceneDepth_Shader" 
{
	Properties 
	{
		_MainTex ("Base (RGB)", 2D) = "white" {}
		_DepthPower ("Depth Power", Range(1, 5)) = 1
	}
	
	SubShader 
	{
		Pass
		{
			CGPROGRAM
			#pragma vertex vert_img
			#pragma fragment frag
			#pragma fragmentoption ARB_precision_hint_fastest
			#include "UnityCG.cginc"
			
			uniform sampler2D _MainTex;
			fixed _DepthPower;
			sampler2D _CameraDepthTexture;
			
			
			fixed4 frag(v2f_img i) : COLOR
			{
				//Get the colors from the RenderTexture and the uv's
				//from the v2f_img struct
				float d = UNITY_SAMPLE_DEPTH( tex2D(_CameraDepthTexture, i.uv.xy) );
				d = pow(Linear01Depth(d), _DepthPower);
				
				return d;
			}
	
			ENDCG
		}
	} 
	FallBack off
}