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Maniphest T87648

Cancelling changes in geometry nodes results in 3D viewport incorrectly displaying the object
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Description

System Information:
Operating system: Linux-5.10.0-6-amd64-x86_64-with-glibc2.31 64 Bits
Graphics card: GeForce RTX 3070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.67

Blender Version:
Broken version: 3.0.0 Alpha, branch: master, commit date: 2021-04-19 20:49, hash: rB795f024558b8
Worked: 2.92 release

Short description of error:
When canceling a change in geometry nodes by right clicking, the 3D model will not update and as a result will show the wrong result. This is not a issue in 2.92. This issue seems to affect all nodes. But I used attribute randomize as my example.

Exact steps for others to reproduce the error:

  1. Setup a geometry node tree that has adjustable values that impact the 3D objects view in the 3D viewport. Here's one I've made:

  1. Tweak one of the attributes by clicking and dragging on a number field (I used the maximum vector on the attribute randomize).
  2. Before confirming the change by letting go of left click, right click instead to cancel the change. Notice how in the 3D viewport the object has not reverted back to the shape it should be. Doing this in 2.92 does not show any issues.

Here's a .blend file for you to download:

T87648 - Cancelling attribute randomize no update bug.blend815 KBDownload

Here's a video demonstrating the issue:

Event Timeline

Alaska (Alaska) created this task.Apr 20 2021, 3:12 AM
Alaska (Alaska) updated the task description. (Show Details)
Alaska (Alaska) renamed this task from Cancelling changes in geometry nodes results in 3D display incorrect display to Cancelling changes in geometry nodes results in 3D viewport incorrectly displaying the object.Apr 20 2021, 3:57 AM
Hans Goudey (HooglyBoogly) closed this task as a duplicate of T87637: Escaping editing a button does not reset change from dragging.Apr 20 2021, 4:15 AM