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HDR on the web

Past

Confirmed

Breakout Sessions

Meeting

Event details

Date:: 13 September 2023, 17:15–18:15 Central European Summer Time
Status:: Confirmed
Location:: Nervion-Arenal II - Level -1
Participants:: Steve Agoston, David Baron, Louay Bassbouss, Piotr Bialecki, Rik Cabanier, Christopher Cameron, Ada Rose Cannon, Mark Foltz, Chris Lilley, Nigel Megitt, Eric Meyer, Wolfgang Schildbach, Fernando Serboncini, Peter Thatcher, Simon Thompson, Brad Triebwasser, Lea Verou, Xiaohan Wang, Jiantong Zhou
Big meeting:: TPAC 2023 (Calendar)

Discussion rendering of existing HDR content (images/video), proposed HDR APIs (canvas/WebGL/GPU), the need for more expressive media queries, and interactions with CSS colors.

Specific issues:

Review of definitions of HDR displays and HDR content
Standardize rendering of HDR content (issue)
Add CSS property to limit HDR brightness (issue, proposal)
- Default behavior for HDR content (no issue)
More expressive queries about HDR screen capabilities (issue)
WebGPU HDR support
- Extended range support (proposal)
- Tone mapped support to match HLG and PQ (no issue filed)
2D Canvas and WebGL HDR support
- WebGL floating point support (drawingBufferStorage proposal)
- 2D Canvas and ImageData floating point support (issue, proposal)
- 2D canvas HDR support (proposal), or alternatively use same metadata from WebGPU proposal

Agenda

Chairs:
Christopher Cameron

Description:
Discussion rendering of existing HDR content (images/video), proposed HDR APIs (canvas/WebGL/GPU), the need for more expressive media queries, and interactions with CSS colors.

Specific issues:

Review of definitions of HDR displays and HDR content
Standardize rendering of HDR content (issue)
Add CSS property to limit HDR brightness (issue, proposal)
- Default behavior for HDR content (no issue)
More expressive queries about HDR screen capabilities (issue)
WebGPU HDR support
- Extended range support (proposal)
- Tone mapped support to match HLG and PQ (no issue filed)
2D Canvas and WebGL HDR support
- WebGL floating point support (drawingBufferStorage proposal)
- 2D Canvas and ImageData floating point support (issue, proposal)
- 2D canvas HDR support (proposal), or alternatively use same metadata from WebGPU proposal

Goal(s):
Continue to converge on a vision for High Dynamic Range (HDR) on the web.

Materials:

Minutes

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