Blender 2.8. Shadow glitch in viewport (and same in Workbench render at once) #62580

Closed
opened 2019-03-14 17:56:12 +01:00 by Ruslan · 18 comments

win 10 - 64 bit
NVIDIA GeForce GTX 560

2.80, 936014ea8c, 2019-03-12

[UPDATE in LAST comment]
Shadows looks broken and have "traced path" in the air in places where geomety have "complex area" (when you use shadows from Workbrench render and same in viewport).
https://i.gyazo.com/8cd3fe6b41c4bf9a7d810804bbc73b40.mp4

Hard to explain step by step, sorry. I will just put here file. But main idea when vertexes of two edges (of one side) placed in same coordinates.
broken.blend1

broken.blend

win 10 - 64 bit NVIDIA GeForce GTX 560 2.80, 936014ea8c74, 2019-03-12 [UPDATE in LAST comment] Shadows looks broken and have "traced path" in the air in places where geomety have "complex area" (when you use shadows from Workbrench render and same in viewport). https://i.gyazo.com/8cd3fe6b41c4bf9a7d810804bbc73b40.mp4 Hard to explain step by step, sorry. I will just put here file. But main idea when vertexes of two edges (of one side) placed in same coordinates. [broken.blend1](https://archive.blender.org/developer/F6822947/broken.blend1) [broken.blend](https://archive.blender.org/developer/F6822946/broken.blend)
Author

Added subscriber: @rs2128

Added subscriber: @rs2128

#66566 was marked as duplicate of this issue

#66566 was marked as duplicate of this issue
Ruslan changed title from Shadow glitch in viewport (and same in Workbench render at once) to Blender 2.8. Shadow glitch in viewport (and same in Workbench render at once) 2019-03-14 17:56:50 +01:00

Added subscriber: @ZedDB

Added subscriber: @ZedDB

Are you using the latest drivers for your card? https://www.nvidia.com/Download/driverResults.aspx/132845/en-us

Are you using the latest drivers for your card? https://www.nvidia.com/Download/driverResults.aspx/132845/en-us
Author

Yes, they are.

Yes, they are.

Added subscriber: @fclem

Added subscriber: @fclem
Clément Foucault self-assigned this 2019-03-19 16:59:12 +01:00

This is an issue with the workbench shadow and degenerate triangle threshold.

This is an issue with the workbench shadow and degenerate triangle threshold.

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'

This was fixed some time ago.

Note that the blend file contained in the report does exhibit other shadow artifacts that are due to float precision issue because the ground plane is scaled really big. But this is not what this report is about.

This was fixed some time ago. Note that the blend file contained in the report does exhibit other shadow artifacts that are due to float precision issue because the ground plane is scaled really big. But this is not what this report is about.
Author

Changed status from 'Resolved' to: 'Open'

Changed status from 'Resolved' to: 'Open'
Ruslan reopened this issue 2019-03-27 10:08:50 +01:00
Author

Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 560/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 391.35

Blender Version
Broken: version: 2.80 (sub 51), branch: blender2.7, commit date: 2019-03-26 18:57, hash: 337eb8c1de

Hi again :) If really I don't know the nature of this glitch, but it happened again and without huge ground plane. I feel that this is looks like same problem, so decided not create new one and put it right here.
https://i.gyazo.com/c9d6176ae235362baa69d5c1da6963b9.mp4
File attached: broken shadow.blend

Operating system: Windows-10-10.0.17134 64 Bits Graphics card: GeForce GTX 560/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 391.35 **Blender Version** Broken: version: 2.80 (sub 51), branch: blender2.7, commit date: 2019-03-26 18:57, hash: `337eb8c1de` Hi again :) If really I don't know the nature of this glitch, but it happened again and without huge ground plane. I feel that this is looks like same problem, so decided not create new one and put it right here. https://i.gyazo.com/c9d6176ae235362baa69d5c1da6963b9.mp4 File attached: [broken shadow.blend](https://archive.blender.org/developer/F6889920/broken_shadow.blend)

Added subscriber: @SmartySmart702

Added subscriber: @SmartySmart702

Yep, same problem here.
Win 10 x64
GTX 750 ti oc

Yep, same problem here. Win 10 x64 GTX 750 ti oc

Added subscriber: @Lattapotta

Added subscriber: @Lattapotta

This issue was referenced by 2893417d67

This issue was referenced by 2893417d670c935993606b860ba9aaec1b1dd6e1

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'

Added subscriber: @germanobanano

Added subscriber: @germanobanano

Hi,
I'm on 2.8 RC2 and getting the same glitch.
Windows 10, GTX1060, 419.67.

Thanks!

Hi, I'm on 2.8 RC2 and getting the same glitch. Windows 10, GTX1060, 419.67. Thanks!
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Reference: blender/blender#62580
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