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Metal: selection with GPU depth picking is broken in wireframe mode #106742

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opened 2023-04-09 19:11:32 +02:00 by Christopher Tyler · 8 comments
Christopher Tyler commented 2023-04-09 19:11:32 +02:00
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System Information
Operating system: macOS-12.3.1-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 5500M 1.2

Blender Version
Broken: version: 3.5.0, branch: blender-v3.5-release, commit date: 2023-03-29 02:56, hash: 1be25cfff18b
Worked: (newest version of Blender that worked as expected)

Short description of error
When working in the 3D viewport, when in Wireframe mode and Xray mode is OFF, clicks to select an object are passed through and select objects behind the object. It's very difficult to select the object whose intention it is to select.
https://drive.google.com/file/d/1pY4Eyi9aVKrMxoMvUx-lvnYM2Ef4yD_k/view?usp=sharing

The video link above demonstrates this.

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]

**System Information** Operating system: macOS-12.3.1-x86_64-i386-64bit 64 Bits Graphics card: Metal API AMD Radeon Pro 5500M 1.2 **Blender Version** Broken: version: 3.5.0, branch: blender-v3.5-release, commit date: 2023-03-29 02:56, hash: `1be25cfff18b` Worked: (newest version of Blender that worked as expected) **Short description of error** When working in the 3D viewport, when in Wireframe mode and Xray mode is OFF, clicks to select an object are passed through and select objects behind the object. It's very difficult to select the object whose intention it is to select. https://drive.google.com/file/d/1pY4Eyi9aVKrMxoMvUx-lvnYM2Ef4yD_k/view?usp=sharing The video link above demonstrates this. **Exact steps for others to reproduce the error** [Please describe the exact steps needed to reproduce the issue] [Based on the default startup or an attached .blend file (as simple as possible)]
Christopher Tyler added the
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atika10 commented 2023-04-09 23:28:08 +02:00
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Hello Christopher!

I know its not much help, m trying to reproduce this, but im on windows, here its work that im click the first in a row object its select normally, and if click again its jump the next behind. It worked with and without gpu depth and without selection in settings.

Hello Christopher! I know its not much help, m trying to reproduce this, but im on windows, here its work that im click the first in a row object its select normally, and if click again its jump the next behind. It worked with and without gpu depth and without selection in settings.
Pratik Borhade commented 2023-04-10 06:16:00 +02:00
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Hi, thanks for the report. Can you check whether GPU Depth Picking is enabled in preferences?
Does this issue happen with both Metal and OpenGL viewport backend?
Can you share .blend file?

Hi, thanks for the report. Can you check whether `GPU Depth Picking` is enabled in preferences? Does this issue happen with both Metal and OpenGL viewport backend? Can you share .blend file?
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Christopher Tyler commented 2023-04-10 06:26:13 +02:00
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AH! That did it. GPU Depth Picking was enabled, I'm guessing by default(?). When I disable it while using the Metal backend, selection now works predictably in Wireframe view without Xray on.

My workaround was to switch over to Shaded view as selection seemed to work correctly there.

I can share the project if you need it.

Hi, thanks for the report. Can you check whether GPU Depth Picking is enabled in preferences?
Does this issue happen with both Metal and OpenGL viewport backend?
Can you share .blend file?

AH! That did it. GPU Depth Picking was enabled, I'm guessing by default(?). When I disable it while using the Metal backend, selection now works predictably in Wireframe view without Xray on. My workaround was to switch over to Shaded view as selection seemed to work correctly there. I can share the project if you need it. > Hi, thanks for the report. Can you check whether `GPU Depth Picking` is enabled in preferences? > Does this issue happen with both Metal and OpenGL viewport backend? > Can you share .blend file?
Christopher Tyler commented 2023-04-10 06:33:51 +02:00
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Does this issue happen with both Metal and OpenGL viewport backend?

I just did a test where I switched over to OpenGL for the backend, and enabled GPU Depth Picking. With these conditions, selection is correct in Wireframe (non-Xray).

However, if I turn off GPU-Depth Picking in OpenGL, then it has the same selection problem (picking items behind what you are trying to select).

> Does this issue happen with both Metal and OpenGL viewport backend? I just did a test where I switched over to OpenGL for the backend, and enabled GPU Depth Picking. With these conditions, selection is correct in Wireframe (non-Xray). However, if I turn off GPU-Depth Picking in OpenGL, then it has the same selection problem (picking items behind what you are trying to select).
Pratik Borhade commented 2023-04-10 06:48:36 +02:00
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ok, thanks for the update. With GPU depth picking, visible object is expected to be selected first.
So If I understand correctly, problem is with Metal backend.
cc @Michael-Parkin-White-Apple

I can share the project if you need it

Yes, please share a simplified version of it.

ok, thanks for the update. With GPU depth picking, visible object is expected to be selected first. So If I understand correctly, problem is with Metal backend. cc @Michael-Parkin-White-Apple - - - > I can share the project if you need it Yes, please share a simplified version of it.
Pratik Borhade changed title from Wireframe Viewport mode, object selection is broken to Metal: Wireframe Viewport mode, object selection is broken 2023-04-10 06:49:04 +02:00
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Christopher Tyler commented 2023-04-10 06:56:02 +02:00
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ok, thanks for the update. With GPU depth picking, visible object is expected to be selected first.
So If I understand correctly, problem is with Metal backend.
cc @Michael-Parkin-White-Apple

I can share the project if you need it

Yes, please share a simplified version of it.

https://drive.google.com/file/d/1k9hZynmMqrx7xxkcKkNwvdiy2thBmqeY/view?usp=sharing

Here's the project, minus textures which I don't think are needed for this purpose.

Yes, I was having the problem with Metal backend and GPU Picking enabled.

> ok, thanks for the update. With GPU depth picking, visible object is expected to be selected first. > So If I understand correctly, problem is with Metal backend. > cc @Michael-Parkin-White-Apple > > - - - > > I can share the project if you need it > > Yes, please share a simplified version of it. https://drive.google.com/file/d/1k9hZynmMqrx7xxkcKkNwvdiy2thBmqeY/view?usp=sharing Here's the project, minus textures which I don't think are needed for this purpose. Yes, I was having the problem with Metal backend and GPU Picking enabled.
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Michael Parkin-White commented 2023-04-10 09:53:46 +02:00
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Will have a look into this, thank you for the report. It is possible that this is the same issue causing the texture paint selection, so will see if that solution also works in this instance.

Will have a look into this, thank you for the report. It is possible that this is the same issue causing the texture paint selection, so will see if that solution also works in this instance.
Pratik Borhade changed title from Metal: Wireframe Viewport mode, object selection is broken to Metal: selection with GPU depth picking is broken in wireframe mode 2023-04-25 07:22:03 +02:00
Ingo Clemens commented 2023-04-25 08:29:42 +02:00
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Probably related: Metal Viewport: Navigation issue with 'Auto Depth' and 'Wireframe' enabled #107159

Probably related: Metal Viewport: [Navigation issue with 'Auto Depth' and 'Wireframe' enabled #107159](https://projects.blender.org/blender/blender/issues/107159)
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