Handle unity_GUIZTestMode variable reference in shaders

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#389 opened on Feb 28, 2018 1 comment 2 reactions 1 assignee Claimed by @citizenmatt View on GitHub

shaderlab

Description

Correctly resolve the variable reference `ZTest [unity_GUIZTestMode]`.

See [here](https://support.unity3d.com/hc/en-us/articles/115000531226-What-is-the-value-of-shader-ZTest-mode-unity-GUIZTestMode-)

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