Shader block in ShaderLab reference

A ShaderA program that runs on the GPU. More info
See in Glossary object is a Unity-specific concept; it is a wrapper for shader programs and other information. It lets you define multiple shader programs in the same file, and tell Unity how to use them.

A Shader objectAn instance of the Shader class, a Shader object is container for shader programs and GPU instructions, and information that tells Unity how to use them. Use them with materials to determine the appearance of your scene. More info
See in Glossary has a nested structure; it organizes information into structures called SubShaders and Passes.

Inside the Shader block, you can:

• Define material properties, using the Properties block. See ShaderLab: defining material properties.
• Define one or more SubShaders, using the SubShader block. See ShaderLab: defining a SubShader.
• Assign a custom editor, which determines how the shader asset appears in the Unity Editor. Optionally, you can assign different custom editors for different render pipelinesA series of operations that take the contents of a Scene, and displays them on a screen. Unity lets you choose from pre-built render pipelines, or write your own. More info
  See in Glossary. See ShaderLab: assigning custom editors.
• Assign a fallback Shader object, using the Fallback block. See ShaderLab: assigning a fallback.

Render pipeline compatibility

Syntax

Additional resources

• Define a Shader object in ShaderLab