Add shaders

Sources/Shaders/CopyDepth.shader

@@ -0,0 +1,32 @@
+Shader "Beautify/CopyDepth" {
+	Properties{
+		_MainTex("", 2D) = "white" {}
+	}
+
+		SubShader{
+			Tags{ "RenderType" = "Transparent" }
+			Pass{
+			CGPROGRAM
+		#pragma vertex vert
+		#pragma fragment frag
+		#include "UnityCG.cginc"
+
+		struct v2f {
+			float4 pos : SV_POSITION;
+			float depth01 : TEXCOORD0;
+		};
+
+
+		v2f vert(appdata_base v) {
+			v2f o;
+			o.pos = UnityObjectToClipPos(v.vertex);
+			o.depth01 = COMPUTE_DEPTH_01;
+			return o;
+		}
+		float4 frag(v2f i) : SV_Target{
+			return EncodeFloatRGBA(i.depth01);
+		}
+		ENDCG
+		}
+	}
+}