When playing Netflix on macOS, we seem to upload the video as textures and do the conversion to RGB in WebRender.
Matt Woodrow found the following:
> It looks like the GMP decoder (the Widevine/DRM decoder) isn't passing the needed aAllocator param - https://searchfox.org/mozilla-central/rev/8130ddcaa7e214d341371194bb1d2f97078cab00/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.cpp#63-67
>
> Fixing that (it's available in the CreateDecoderParams passed to the ctor) will likely improve performance even without [Brad's] changes, as well as hopefully fixing your issue!
Bug 1736692 Comment 0 Edit History
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When playing Netflix on macOS, we seem to upload the video as textures and do the conversion to RGB in WebRender.
Matt Woodrow found the following:
> It looks like the GMP decoder (the Widevine/DRM decoder) isn't passing the needed aAllocator param - https://searchfox.org/mozilla-central/rev/8130ddcaa7e214d341371194bb1d2f97078cab00/dom/media/platforms/agnostic/gmp/GMPVideoDecoder.cpp#63-67
>
> Fixing that (it's available in the CreateDecoderParams passed to the ctor) will likely improve performance even without [Brad's] changes, as well as hopefully fixing [the issue with Netflix not hitting detached mode]!