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In this link about a similar (or same?) issue it sounds like filters are done on the CPU in Firefox unless you enable a flag but it may be outdated: https://bug
by Kiro 6y ago
In this link about a similar (or same?) issue it sounds like filters are done on the CPU in Firefox unless you enable a flag but it may be outdated: https://bugzilla.mozilla.org/show_bug.cgi?id=925025 https://bugzilla.mozilla.org/show_bug.cgi?id=925025
> Safari and Chrome both do blur on the GPU Firefox does it in software unless WebRender is turned on. You could try turning on the gfx.webrender.all pref and that should improve things.
- ripdog 6y agowebrender is on by default for Windows 10, but Mozilla is still struggling with mac and Linux drivers, so it's still off by default there. See https://wiki.mozilla.org/Platform/GFX/WebRender_Where https://wiki.mozilla.org/Platform/GFX/WebRender_Where To check if you're using webrender, check about:support. Check the graphics>compositing section. (Edited to correct first paragraph.)
- cpeterso 6y agoIn the Firefox Release channel, WebRender is currently only enabled on Windows 10. Windows 7/8 support should be coming soon in Firefox 83 (2020-11-17) and macOS and Linux after that. As you say, GPU drivers are the biggest problem.
- hvis 6y agoIt is changing, though. I have an Intel video card (UHD 630), and Webrender (which I had to forcibly enable) is working very well. Video acceleration, too. Even with a 4K screen.