Search Issue Tracker
Fixed in 2020.1.X
Fixed in 2019.3.X
Votes
3
Found in
2019.3.0a11
2019.3.0f3
2020.1
Issue ID
1206495
Regression
Yes
Major IMGUI performance regression in 2019.3.0a11 when compared to 2019.3.0a10
How to reproduce:
1. Open the attached "1206495.zip" project
2. Open the "test" Scene
3. Open the Profiler window and Enter Play Mode
4. In the Profiler window and in the Module details panel switch the selection from Timeline to Hierarchy
5. Expand the PlayerLoop list and the GUI.Repaint list
6. Observe the Total Property
Expected result: A little or no increase in the total amount of time spent on a particular function (as a percentage) that averages 11 - 13%
Actual result: A massive increase in the total amount of time spent on a particular function (as a percentage) that averages 60 - 70%
Note: The method that was tested with is called "OnGUI()" inside the "Test" Script that is attached to the "Main Camera" GameObject.
Reproducible with: 2019.3.0a11, 2019.3.0f4, 2020.1.0a17
Not reproducible with: 2017.4.35f1, 2018.4.15f1, 2019.2.17f1, 2019.3.0a10
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Sprite Atlas remains loaded in memory after scene change or unloading assets
- [Vulkan] Release memory after deleting image
- Referred style sheet stays dirty after saving when using the UIBuilder
- The Height map Amplitude is not working when using HDRP/LayeredLit
- Crash on internalABP::BoxManager::prepareData when entering Play Mode
Resolution Note (fix version 2020.1):
fixed in: 2020.1.0a22, backported to: 2019.3.0f6