Firefox 80 EGL and WebRender does not work

  1. Download Firefox nightly
  2. Start firefox
  3. Go to about:config address
  4. Enable config gfx.webrender.all
  5. Close firefox
  6. Start firefox with MOZ_X11_EGL=1 env. variable
  7. Firefox does not render anything

I can confirm the issue.

Using nvs295 with 340.108 driver on Fedora 32, Released Firefox 80.

  1. env MOZ_X11_EGL=1 firefox
  2. Opens firefox window with empty content that I can see wallpaper in it. The errors in the console:
    [GFX1-]: Failed to create EGLContext!: 0x300c
    [GFX1-]: Failed to create EGLContext!: 0x300c