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网址：Rendering with Replaced Shaders

Rendering with Replaced Shaders

• If replacementTag is empty, then all objects in the scene are rendered with the given replacement shader.
• If replacementTag is not empty, then for each object that would be rendered:
  • The real object’s shader is queried for the tag value.
  • If it does not have that tag, object is not rendered.
  • A subshader is found in the replacement shader that has a given tag with the found value. If no such subshader is found, object is not rendered.
  • Now that subshader is used to render the object.

Shader replacement tags in built-in Unity shaders

All built-in Unity shaders have a “RenderType” tag set that can be used when rendering with replaced shaders. Tag values are the following:

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