2020-12-07 telecon notes + next meeting reminder

Good morning/evening,

Below are my notes from our meeting on 2020-12-07.

Our next call is scheduled for January 12 at 0600 UTC.

Best,

-- Pierre

Color on the web CG telecon -- 2020-12-07
=========================================

- attendees: Chris Lilley, Pierre-Anthony Lemieux, Steve Upton, Craig
Revie, Masaru Takechi, Phil Green, Leonard Rosenthol, Aous Naman,
Chris Seeger, Adam Argyle, Simon Thompson, Lars Borg, Ken Russell,
Craig Todd, Chris Needham, Chetan Nanda

- Overview of advanced color on the web today

  - live technology demos (Ken Russell and Adam Argyle)
    - https://codepen.io/argyleink/pen/MWymQGj
    - https://codepen.io/argyleink/pen/oNxeWbz

  - CSS HDR support is limited to Safari today
    - @gamut media query (https://drafts.csswg.org/mediaqueries-4/#color-gamut)
    - P3 colorspace (https://drafts.csswg.org/css-color-5/)

  - Chromium team is concerned with significant and unexpected
memory/cpu load if HDR support is generally enabled and unless the
client is careful
    - HDR processing should be offloaded

  - WebGL (https://fredrik.hubbe.net/webgl/webgl-hdr2.html)
    - float16 processing
    - pure OpenGL
    ? how do you color manage SDR 16-bit float

  - Canvas colorspace is always RGB today
    - ongoing work within the Web Incubator CG
      - https://github.com/WICG/canvas-color-space/
      - not in Chrome yet
      - the objective is to ultimately submit the work to WHATWG

  ? What are the implications of HDR on Houdini?

  ? What is the roadmap for HDR in SVG?

  ? How to design tests to determine whether color management is
applied during rendering?

  -> Overall objective: Canvas, CSS Color 4 and <video> colors should
be consistent

- update on upcoming color workshop organized by W3C
(https://github.com/w3c/web-wcg-hdr-workshop)
  - contact: Chris Lilley (chris@w3.org)
  - each speaker will provide a pre-recorded video
  - program is flexible
    - looking for sponsors
    - suggestions for additional topics are welcome
      - example: color accuracy
    - slots open in the program committee
  - January 15: deadline for expression of interest

- backlog grooming
  - https://github.com/w3c/ColorWeb-CG/issues/10#event-4059517615
    - scope: how to signal colorspace in common still image formats
for the web? inc. broadcast colorspaces.
    - AI: CG chairs to work with Chris Seeger to get document started

  - AI: CG chairs to make an initial pass at grooming the backlog

- next meeting
  - when: January 12 at 0600 UTC
  - agenda items:
    - CG issue and document review

Received on Thursday, 31 December 2020 22:29:51 UTC