Viewport issues - Vertex Colors

Having issues keeping vertex colors shading active in viewport.
Just prior to this capture I reset “Shaded” to defaults.

Is this a driver issues or some behavior I am not understanding?

2025-06-16_23-33-08

Rhino 8 SR20 2025-6-6 (Rhino 8, 8.20.25157.13001, Git hash:master @ 73b00899cf43922900a763212f167c03dc6f27cc)
License type: Commercial, build 2025-06-06
License details: Cloud Zoo

Windows 11 (10.0.26100 SR0.0) or greater (Physical RAM: 128GB)
.NET 8.0.16

Computer platform: LAPTOP - Plugged in [98% battery remaining]

Non-hybrid graphics configuration.
Primary display and OpenGL: NVIDIA RTX 5000 Ada Generation Laptop GPU (NVidia) Memory: 16GB, Driver date: 5-20-2025 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 576.57
> Integrated accelerated graphics device with 4 adapter port(s)
- Windows Main Display is laptop’s integrated screen or built-in port
- Secondary monitor attached to adapter port 1
Primary OpenGL: NVIDIA RTX 5000 Ada Generation Laptop GPU (NVidia) Memory: 16GB, Driver date: 5-20-2025 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 576.57
> Integrated accelerated graphics device with 4 adapter port(s)
- Windows Main Display is laptop’s integrated screen or built-in port
- Secondary monitor attached to adapter port 1

Secondary graphics devices.
Intel(R) UHD Graphics (Intel) Memory: 2GB, Driver date: 1-23-2025 (M-D-Y).
> Integrated graphics device with 4 adapter port(s)
- Secondary monitor is laptop’s integrated screen or built-in port

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
GPU Tessellation is: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 2.1

Anti-alias mode: 8x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 5-20-2025
Driver Version: 32.0.15.7657
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 16376 MB

Rhino plugins that do not ship with Rhino
C:\Users\jkcam\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\Bullant\25.5.27.8\bullant.rhp “bullant” 25.5.27.8
C:\Users\jkcam\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\QbitecForRhino\1.1.3\net7.0\QbitecForRhino.rhp “QbitecForRhino” 1.1.3.0

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\WebBrowser.rhp “WebBrowser”
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoScript.rhp “RhinoScript”
C:\Program Files\Rhino 8\Plug-ins\IdleProcessor.rhp “IdleProcessor”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\import_PLY.rhp “PLY - Polygon File Format Import”
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.20.25157.13001
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”

Hi John -

It looks like you have modified the OpenGL level that Rhino is allowed to use. I’d put that back to “max”…
-wim

1 Like

You are correct, it was not on MAX. I changed the setting. Thank you so much