WebKit and Linux graphics

[mrego]

Logistics

• Facilitator: @zdobersek (Igalia)
• Date & Time: Tuesday 6th at 10:00 CEST (local time)
• URL: https://meet.jit.si/Web-Engines-Hackfest-2023-WebKit-Linux-graphics

Description

Outline of ideal Linux graphics architecture, problems around its integration in WebKit and obstacles on non-mainline Linux platforms

Agenda

Initial framing:

• WebKit process architecture -- GPUProcess
  • 2D painting, WebGL, WebGPU
  • Also media playback
  • Target: Move GPU operations outside the WebProcess
• DMABuf as reference solution
  • Common, dependable -- in platforms running on modern Linux graphics stack
  • Allocatable through libgbm
  • Content can be rendered into a DMABuf, then sampled from it
  • Multimedia, ideally -- DMABuf-yielding media codecs
  • Multimedia, fallback -- software-decoded video frames are uploaded to DMABufs
• Other platforms
  • DMABuf-equivalent solutions needed

Open discussion follows.

[mrego]

Session notes published at https://github.com/Igalia/webengineshackfest/wiki/2023-WebKit-and-Linux-graphics