# Room complex illumination

**URL:** <https://forum.babylonjs.com/t/room-complex-illumination/12674>\
**Category:** Questions\
**Tags:** lighting\
**Created:** [July 20, 2020, 2:28pm UTC](https://forum.babylonjs.com/t/room-complex-illumination/12674 "2020-07-20T14:28:02Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Evgeni\_Popov](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/evgeni_popov/32/4432_2.png) [@Evgeni\_Popov](https://forum.babylonjs.com/u/Evgeni_Popov)\
**Post date:** [July 20, 2020, 2:49pm UTC](https://forum.babylonjs.com/t/room-complex-illumination/12674/4 "2020-07-20T14:49:48Z")

</div>

Each lights are using some GPU buffer resources and you don’t have that many.

See [ERROR: Too many uniform interface blocks in vertex shader (18 exceeds max 16)](https://forum.babylonjs.com/t/error-too-many-uniform-interface-blocks-in-vertex-shader-18-exceeds-max-16/12603/2)

---

_[View the full topic](https://forum.babylonjs.com/t/room-complex-illumination/12674)._