WebGL 无法在 Chromium 或 Firefox 上运行

Question

我使用的是 Xubuntu 20.04，在使用 Firefox 和 Chromium 时遇到了 WebGL 问题。在 Chromium 中，只有当我激活硬件加速时它才能工作，但由于我的集成显卡（Intel G33/31），它运行缓慢。

我尝试在 Firefox 上测试 webgl，但也没有用。

在 Windows 7 中它可以完美运行，没有问题，以前我用过 Linux Mint，它也能正常工作，但现在使用 Xubuntu 20.04 时出现问题

Chromium gpu test:
Graphics Feature Status
Canvas: Software only. Hardware acceleration disabled
Flash: Software only. Hardware acceleration disabled
Flash Stage3D: Software only. Hardware acceleration disabled
Flash Stage3D Baseline profile: Software only. Hardware acceleration disabled
Compositing: Software only. Hardware acceleration disabled
Multiple Raster Threads: Disabled
Out-of-process Rasterization: Disabled
OpenGL: Disabled
Hardware Protected Video Decode: Disabled
Rasterization: Software only. Hardware acceleration disabled
Skia Renderer: Enabled
Video Decode: Software only. Hardware acceleration disabled
Viz Display Compositor: Enabled
Vulkan: Disabled
WebGL: Disabled
WebGL2: Disabled

在 Firefox 上：

WebGL 1 Driver Renderer WebGL creation failed: 
* tryNativeGL
* Exhausted GL driver options.

Inxi详细信息：

inxi -SGx
System:
  Host: zyrox-home Kernel: 5.4.0-33-generic x86_64 bits: 64 compiler: gcc 
  v: 9.3.0 Desktop: Xfce 4.14.2 Distro: Ubuntu 20.04 LTS (Focal Fossa) 
Graphics:
  Device-1: Intel 82G33/G31 Express Integrated Graphics vendor: Lenovo 
  driver: i915 v: kernel bus ID: 00:02.0 
  Display: x11 server: X.Org 1.20.8 driver: intel 
  unloaded: fbdev,modesetting,vesa resolution: 1280x1024~75Hz 
  OpenGL: renderer: Mesa DRI Intel G33 v: 1.4 Mesa 20.0.4 direct render: Yes