25 lines
1.9 KiB
Markdown
25 lines
1.9 KiB
Markdown
# Raytracing Quality Keyword
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The Raytracing Quality Keyword allows you to provide a fast implementation of your Shader Graph to be use with ray-traced effects to tradeoff accuracy for speed, with the exception of [Path-Traced effect](Ray-Tracing-Path-Tracing.md) which will not be affected and use the default path.
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## Adding the Raytracing Quality Keyword
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The Raytracing Quality Keyword is a [Built-in Keyword](https://docs.unity3d.com/Packages/com.unity.shadergraph@latest/index.html?subfolder=/manual/Keywords.html#built-in-keywords).
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To add the Raytracing Quality Keyword to the graph:
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1. In the [Blackboard](https://docs.unity3d.com/Packages/com.unity.shadergraph@latest/index.html?subfolder=/manual/Blackboard.html), click the plus (\**+**) button.
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2. Select **Keyword > Raytracing Quality**. This creates the keyword and makes it visible on the Blackboard.
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## Using the Raytracing Quality Keyword
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To use this keyword in the graph, create a [Keyword Node](https://docs.unity3d.com/Packages/com.unity.shadergraph@latest/index.html?subfolder=/manual/Keyword-Node.html) by dragging the Raytracing Quality Keyword from the Blackboard to the graph or opening the Create Node Menu and searching for **Raytracing Quality** .
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### Available Ports
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| Name | Direction | Type | Description |
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| :------------ | :-------- | :------------- | :----------------------------------------------------------- |
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| **default** | Input | Vector4 | The value to use for the normal Shader Graph. This is the default path Unity uses to render this Shader Graph. |
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| **raytraced** | Input | Vector4 | The value to use for the fast Shader Graph to use with the ray-traced effects excepth the path traced one.|
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| **output** | Output | Vector4 | Outputs is the value which will be selected based on the context this shader graph is used. |
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