One extra texture bound after the atlas. In WGSL it becomes <name>Tex + <name>Samp.
<name>Tex
<name>Samp
Readonly
Identifier used in WGSL: becomes <name>Tex (texture) and <name>Samp (sampler).
One extra texture bound after the atlas. In WGSL it becomes
<name>Tex+<name>Samp.