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