Nvidia Prime 渲染卸载“按需”不适用于 nvidia-driver-450 和 ubuntu 20.04.1

我在新安装的 Kubuntu 20.04.1 上安装了 Nvidia 450。

Prime Render Offload 在手动模式下工作__NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia

但是nvidia-settings说不支持素数。因此，如下所示，我在 nvidia 窗口中没有主要条目。

所以我认为集成 GPU 和 nvidia GPU 之间的切换不会是自动的，并且“按需”不起作用。

怎么了 ？谢谢您的帮助。

电脑： 华硕A17-TUF766IU-H7074T

操作系统详细信息： Kubuntu 20.04.1 与主线 5.8.8 内核 Nvidia 驱动程序版本：450.66 桌面环境：等离子窗口管理器：KDE

硬件细节 处理器：AMD Ryzen 4800H GPU：GeForce GTX 1660 Ti 6 Go

meloli@Asus-A17:~$ __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | egrep "(OpenGL vendor|OpenGL renderer|OpenGL version)"
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 1660 Ti/PCIe/SSE2
OpenGL version string: 4.6.0 NVIDIA 450.66

meloli@Asus-A17:~$  glxinfo | egrep "(OpenGL vendor|OpenGL renderer|OpenGL version)"
OpenGL vendor string: X.Org
OpenGL renderer string: AMD RENOIR (DRM 3.38.0, 5.8.8-050808-generic, LLVM 10.0.0)
OpenGL version string: 4.6 (Compatibility Profile) Mesa 20.0.8

和

meloli@Asus-A17:~$ nvidia-settings
 
(nvidia-settings:6099): GLib-GObject-CRITICAL **: 14:05:53.205: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

ERROR: nvidia-settings could not find the registry key file. This file should have been installed along with this driver at /usr/share/nvidia/nvidia-application-profiles-key-documentation. The
       application profiles will continue to work, but values cannot be prepopulated or validated, and will not be listed in the help text. Please see the README for possible values and
       descriptions.

** Message: 14:05:53.270: PRIME: No offloading required. Abort
** Message: 14:05:53.271: PRIME: is it supported? no