Workbench shadow shading incorrect results with GPU subdivision #94672

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opened 2022-01-05 23:05:53 +01:00 by Hans Goudey · 5 comments

Hans Goudey commented

2022-01-05 23:05:53 +01:00

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System Information
Operating system: Linux-5.15.11-200.fc35.x86_64-x86_64-with-glibc2.34 64 Bits
Graphics card: NVIDIA GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 495.46

Blender Version
Broken: version: 3.1.0 Alpha, branch: Unknown, commit date: Unknown Unknown, hash: latest master
Worked: N/A

Short description of error
The show_shadows option has incorrect results when GPU subdivision is enabled.

Exact steps for others to reproduce the error

#94672 Report.blend

Load the provided file
Toggle GPU subdivision
Observe the following difference

GPU Subdivision Off GPU Subdivision On

{F12790734 size=full} {F12790737 size=full}

**System Information** Operating system: Linux-5.15.11-200.fc35.x86_64-x86_64-with-glibc2.34 64 Bits Graphics card: NVIDIA GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 495.46 **Blender Version** Broken: version: 3.1.0 Alpha, branch: Unknown, commit date: Unknown Unknown, hash: latest master Worked: N/A **Short description of error** The `show_shadows` option has incorrect results when GPU subdivision is enabled. **Exact steps for others to reproduce the error** [#94672 Report.blend](https://archive.blender.org/developer/F12790741/T94672_Report.blend) - Load the provided file - Toggle GPU subdivision - Observe the following difference | GPU Subdivision Off | GPU Subdivision On | | -- | -- | | {[F12790734](https://archive.blender.org/developer/F12790734/image.png) size=full} | {[F12790737](https://archive.blender.org/developer/F12790737/image.png) size=full}

Hans Goudey commented

2022-01-05 23:05:53 +01:00

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Added subscriber: @HooglyBoogly

Added subscriber: @HooglyBoogly

Hans Goudey commented

2022-01-05 23:10:44 +01:00

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This seems to happen only when the camera is in the object's bounding box.

This seems to happen only when the camera is in the object's bounding box.

Richard Antalik commented

2022-01-06 03:41:47 +01:00

Member

Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'

blender-admin commented

2022-01-06 16:23:37 +01:00

This issue was referenced by 0c6b29ee43

This issue was referenced by 0c6b29ee4378043493d1027e587a91a1e286dbb7

Kévin Dietrich commented

2022-01-06 16:25:44 +01:00

Member

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'

Kévin Dietrich closed this issue

2022-01-06 16:25:44 +01:00

Kévin Dietrich self-assigned this 2022-01-06 16:25:44 +01:00

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Reference: blender/blender#94672

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