Open about:config, set gfx.webrender.all to true and restart Firefox to force-enable hardware rendering.
Bug 629234 Comment 60 Edit History
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Open about:config, set gfx.webrender.all to true and restart Firefox to force-enable hardware rendering. If you encounter problems, please report a new bug: https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Graphics%3A+WebRender
Open about:config, set gfx.webrender.all to true and restart Firefox to force-enable hardware rendering. If you encounter problems with it, please report a new bug: https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Graphics%3A+WebRender