inverting color on image

Assets/Scenes/SampleScene.unity

@@ -367,11 +367,11 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   _computeShader: {fileID: 7200000, guid: 3df3413c2fff3cc41a2eb5505b4c260c, type: 3}
-  _inputTexture: {fileID: 10309, guid: 0000000000000000f000000000000000, type: 0}
+  _inputTexture: {fileID: 2800000, guid: ac4ea20a37b3d4943b8889efe1821948, type: 3}
   _resultTexture: {fileID: 0}
   _width: 0
   _height: 0
-  _scale: 5
+  _scale: 1
   _resize: 0
 --- !u!1 &963194225
 GameObject:

Assets/Shaders/ColorInverter.compute

@@ -11,7 +11,5 @@ void cs_main(uint3 id : SV_DispatchThreadID)
 {
     float4 color = source_texture[id.xy];
     color.rgb = 1 - color.rgb;
-    //color.rgb = float4(0, 1, 1, 0);
-    //color.rgb = float4(0, 1, 1, 0);
     result[id.xy] = color;
 }

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@@ -0,0 +1,127 @@
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