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- // Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
- Shader "Hidden/ShowAlphaChannel" {
- Properties {
- _MainTex ("Base (RGB)", 2D) = "white" {}
- _EdgeTex ("_EdgeTex", 2D) = "white" {}
- }
- SubShader {
- Pass {
- ZTest Always Cull Off ZWrite Off
- Fog { Mode off }
- CGPROGRAM
- #pragma vertex vert
- #pragma fragment frag
- #pragma fragmentoption ARB_precision_hint_fastest
- #include "UnityCG.cginc"
- uniform sampler2D _MainTex;
- uniform sampler2D _EdgeTex;
- uniform float4 _MainTex_TexelSize;
- float filterRadius;
- struct v2f {
- float4 pos : POSITION;
- float2 uv : TEXCOORD0;
- };
- v2f vert( appdata_img v )
- {
- v2f o;
- o.pos = UnityObjectToClipPos (v.vertex);
- o.uv = v.texcoord.xy;
-
- return o;
- }
- half4 frag (v2f i) : COLOR
- {
- half4 color = tex2D(_MainTex, i.uv.xy);
- half edges = color.a;
-
- return edges;
- }
- ENDCG
- }
- }
- Fallback off
- }
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