Enable sw-wr. Go to youtube (e.g. https://www.youtube.com/watch?v=x7Tbj2ee7t4&t=195s) Choose a low res stream to ensure this particular issue can be isolated In the video settings (gear in the youtube player) choose the "Ambient Mode" ER: no impact on gpu/cpu use AR: High impact on GPU/CPU "Ambient mode" disabled: https://share.firefox.dev/3sHdHYi "Ambient mode" enabled: https://share.firefox.dev/3SPnuX4 This also has an impact on Chrome but noticable less than sw-wr Nightly. This bug may end up being a webcompat bug.
Bug 1798206 Comment 0 Edit History
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Enable sw-wr. Go to youtube (e.g. https://www.youtube.com/watch?v=x7Tbj2ee7t4&t=195s) Choose a low res stream to ensure this particular issue can be isolated In the video settings (gear in the youtube player) choose the "Ambient Mode" ER: no impact on gpu/cpu use AR: High impact on GPU/CPU. In particular, the GPU use gets quite high. "Ambient mode" disabled: https://share.firefox.dev/3sHdHYi "Ambient mode" enabled: https://share.firefox.dev/3SPnuX4 This also has an impact on Chrome but noticable less than sw-wr Nightly. This bug may end up being a webcompat bug.
Enable sw-wr. Enable dark mode on youtube. Go to youtube (e.g. https://www.youtube.com/watch?v=x7Tbj2ee7t4&t=195s) Choose a low res stream to ensure this particular issue can be isolated In the video settings (gear in the youtube player) choose the "Ambient Mode" ER: no impact on gpu/cpu use AR: High impact on GPU/CPU. In particular, the GPU use gets quite high. "Ambient mode" disabled: https://share.firefox.dev/3sHdHYi "Ambient mode" enabled: https://share.firefox.dev/3SPnuX4 This also has an impact on Chrome but noticable less than sw-wr Nightly. This bug may end up being a webcompat bug.