gl_Normal

gl_Normal

Valid Programs: gbuffers_*.vsh, shadow.vsh

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The vertex normal vector attribute.

Note

The vector is not guaranteed to be normalized.

The normal vector from gl_Normal is approximate, and in model space (which varies for different geometry). It can be converted to view space using gl_NormalMatrix

vec3 normal = gl_NormalMatrix * normalize(gl_Normal);

in vec3 vaNormal;

Danger

This attribute only works with the core profile in Minecraft 1.17 and newer. It is recommended to use the compatibility profile with Iris for better support. See this page for more information.

Can be converted to view space using normalMatrix

vec3 normal = normalMatrix * normalize(vaNormal);