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Maniphest T86615

Eevee glitches in latest update
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Description

System Information
Operating system: macOS-10.13.6-x86_64-i386-64bit 64 Bits
Graphics card: Intel(R) HD Graphics 6000 Intel Inc. 4.1 INTEL-10.36.23

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-03-15 19:47, hash: rBbe51d671b500
Worked: 2.93.0 Alpha, branch: master, commit date: 2021-02-14 21:31, hash: rB7a608f88a713

Short description of error
Eevee appears glitched on glossy / refractive materials. The problem seems to be midigated with AO turned on. (I haven't made any recent changes to my computer's hardware or drivers.)

Exact steps for others to reproduce the error

  1. Open new file in latest daily build (2.93, March 16).
  2. Add a mesh with a glossy or refractive material.
  3. Switch to eevee rendered view or lookdev mode.

problem.blend770 KBDownload

Related Objects

Event Timeline

Dec B (cheetahspots) created this task.Mar 16 2021, 6:04 AM
Dec B (cheetahspots) added a project: EEVEE & Viewport.
Dec B (cheetahspots) added a comment.Mar 16 2021, 6:19 AM

I uploaded a video demonstrating the issue, but it doesn't seem to have worked. Here's a google drive link instead.

Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Needs Information from User.Mar 16 2021, 1:19 PM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Please share your simple example .blend file (this just ensures we are all on the same page)

Dec B (cheetahspots) updated the task description. (Show Details)Mar 16 2021, 10:57 PM
Philipp Oeser (lichtwerk) changed the task status from Needs Information from User to Needs Triage.Mar 18 2021, 9:58 AM
Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Confirmed.Mar 18 2021, 10:10 AM

This is probably very much related to T86604: EEVEE roughness 0 results in bright white material, but on Intel, this seems to be a bit different than on Nvidia.

Dec B (cheetahspots) mentioned this in T86660: Undefined behaviour in specular_occlusion is visible on Apple M1.Mar 20 2021, 4:10 PM
Dec B (cheetahspots) closed this task as Resolved.Mar 21 2021, 5:45 PM
Dec B (cheetahspots) claimed this task.

My issue has been fixed by rB9ca67c47a152: Fix T86660 EEVEE: Undefined behaviour in specular_occlusion.