Custom shaders

Important: The Built-In Render Pipeline is deprecated and will be made obsolete in a future release.
It remains supported, including bug fixes and maintenance, through the full Unity 6.7 LTS lifecycle.
For more information on migration, refer to Migrating from the Built-In Render Pipeline to the Universal Render Pipeline and Render pipeline feature comparison.

Resources for writing programs that run on the GPU to control the appearance of objects in a scene.

Page	Description
Writing custom shaders	Resources for creating your own shaders using Shader Graph, or High-Level Shader Language (HLSL) and ShaderLab.
Optimize shaders	Optimizing custom shaders for runtime performance, especially on mobile platforms that have limited GPU performance.
Custom shaders in the Universal Render Pipeline (URP)	Resources for writing HLSL and ShaderLab code in URP.
Custom shaders in the Built-In Render Pipeline	Resources for writing HLSL code, ShaderLab code, and Surface Shaders in the Built-In Render Pipeline.
Renderer Shader User Value (RSUV)	Customize some visuals per renderer, like color, without breaking SRP batches for best performance.
Troubleshooting shaders	Solve common issues with shaders, such as hitches and stalls, or large build sizes.
Shader languages reference	Reference for ShaderLab, and High Level Shader Language (HLSL) in Unity.

Further resources

Custom Render Texture Inspector window reference

Writing custom shaders

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