HDR on the web

[ccameron-chromium]

Session 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.

Slides.

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

Session goal

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

Additional session chairs (Optional)

No response

IRC channel (Optional)

#hdr

Who can attend

Anyone may attend (Default)

Session duration

60 minutes (Default)

Other sessions where we should avoid scheduling conflicts (Optional)

No response

Estimated number of in-person attendees

Don't know (Default)

Instructions for meeting planners (Optional)

No response

Agenda, minutes, slides, etc. (Optional)

• Slides
• Minutes
• Calendar