# error: GLSL 1.50 is not supported

**URL:** <https://discourse.slicer.org/t/error-glsl-1-50-is-not-supported/10083>\
**Category:** Support\
**Created:** [February 3, 2020, 2:01pm UTC](https://discourse.slicer.org/t/error-glsl-1-50-is-not-supported/10083 "2020-02-03T14:01:50Z")\
**Posts on this page:** 1\
**Showing post:** 7

<div class="post-metadata">

**Author:** ![kpopuri](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kpopuri/32/6263_2.png) [@kpopuri](https://discourse.slicer.org/u/kpopuri)\
**Post date:** [October 7, 2020, 5:07pm UTC](https://discourse.slicer.org/t/error-glsl-1-50-is-not-supported/10083/7 "2020-10-07T17:07:37Z")

</div>

This worked for us too! we were having trouble getting slicer to work over RDP . We actually set:

`export MESA_GL_VERSION_OVERRIDE=3.3`

according to our installed GL driver version:

```
CentOS Linux release 7.7.1908 (Core)

server glx version string: 1.4
 client glx version string: 1.4
 GLX version: 1.4
 Max core profile version: 3.3
 Max compat profile version: 3.0
 Max GLES1 profile version: 1.1
 Max GLES[23] profile version: 3.0
OpenGL core profile version string: 3.3 (Core Profile) Mesa 18.0.5
 OpenGL core profile shading language version string: 3.30
 OpenGL version string: 3.0 Mesa 18.0.5
 OpenGL shading language version string: 1.30
 OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.0.5
 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
```

---

_[View the full topic](https://discourse.slicer.org/t/error-glsl-1-50-is-not-supported/10083)._