# Backed texture : limit?

**URL:** <https://forum.babylonjs.com/t/backed-texture-limit/45132>\
**Category:** Questions\
**Created:** [October 23, 2023, 8:27pm UTC](https://forum.babylonjs.com/t/backed-texture-limit/45132 "2023-10-23T20:27:50Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![glad](https://avatars.discourse-cdn.com/v4/letter/g/5daacb/32.png) [@glad](https://forum.babylonjs.com/u/glad)\
**Post date:** [October 23, 2023, 8:58pm UTC](https://forum.babylonjs.com/t/backed-texture-limit/45132/2 "2023-10-23T20:58:16Z")

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Hmm  
Reading [this post](https://forum.babylonjs.com/t/backedvertex-animation-from-external-source/36345/4) it is not per vertex but a matrix per bone.

Quick question before I deal with it tomorrow: is each matrix local to the bone? So the value has to be considered relative to the root of the mesh and then, one can apply the translation as needed?  
3x3 or 4x4 matrices?  
The base of those matrices is the gltf’s bind pose of each bone?

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