# Make a specific PGraphics not smooth in P2D

**URL:** <https://discourse.processing.org/t/make-a-specific-pgraphics-not-smooth-in-p2d/41560>\
**Category:** Coding Questions\
**Created:** [April 1, 2023, 8:46pm UTC](https://discourse.processing.org/t/make-a-specific-pgraphics-not-smooth-in-p2d/41560 "2023-04-01T20:46:25Z")\
**Posts on this page:** 1\
**Showing post:** 8

<div class="post-metadata">

**Author:** ![Aryszin](https://avatars.discourse-cdn.com/v4/letter/a/ec9cab/32.png) [@Aryszin](https://discourse.processing.org/u/Aryszin)\
**Post date:** [April 3, 2023, 11:27am UTC](https://discourse.processing.org/t/make-a-specific-pgraphics-not-smooth-in-p2d/41560/8 "2023-04-03T11:27:38Z")

</div>

that gives an opengl error:“RuntimeException: Cannot compile vertex shader:  
0:2(10): error: GLSL 3.30 is not supported. Supported versions are: 1.10, 1.20, and 1.00 ES”

---

_[View the full topic](https://discourse.processing.org/t/make-a-specific-pgraphics-not-smooth-in-p2d/41560)._