Re: Adding support High Dynamic Range (HDR) imagery to HTML Canvas: a baseline proposal

Hi Corentin,

Great. Looking forward to the outcome of your call.

Best,

-- Pierre

On Wed, Jun 28, 2023 at 6:30 AM Corentin Wallez <cwallez@google.com> wrote:
>
> Hey Pierre-Anthony,
>
> Thanks for reaching out, I added this topic to the agenda of today's call for socialization and we'll forward any feedback on the ColorWeb-CG repo.
>
> Overall the explainer looks to be in a direction that's very compatible with what WebGPU was thinking of. WebGPU supports using `rgba16float` as a format when configuring the canvas context, and with the use of `rec2020*` color spaces in the same configuration it should be enough signal for the user-agent to do HDR compositing/displaying.
>
> Cheers,
>
> Corentin
>
>
> On Wed, Jun 28, 2023 at 6:37 AM Pierre-Anthony Lemieux <pal@sandflow.com> wrote:
>>
>> Dear GPU for the Web WG:
>>
>> The Color on the Web CG [1] would very much appreciate your feedback
>> on the following strawman, which motivates and proposes baseline
>> modifications to the HTML Canvas API to enable support for
>> High-Dynamic Range (HDR) imagery:
>>
>> https://github.com/w3c/ColorWeb-CG/blob/8eac62f15e5b41940636beb031f6214b61e933af/hdr_html_canvas_element.md
>>
>> The proposed modifications allow the HTML Canvas API to manipulate
>> High Dynamic Range (HDR) images expressed using the widespread BT.2100
>> PQ and BT.2100 HLG color spaces, without precluding adding future HDR
>> capabilities, such as support for additional color spaces like a
>> linear high-dynamic range color space.
>>
>> Feedback can be provided at [2].
>>
>> Best,
>>
>> -- Color on the Web CG chairs
>>
>> [1] https://www.w3.org/community/colorweb/
>> [2] https://github.com/w3c/ColorWeb-CG/issues
>>

Received on Wednesday, 28 June 2023 15:03:59 UTC