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Re: Realtime raytracing

From: Kai Ninomiya <kainino@google.com>
Date: Sat, 22 Dec 2018 10:44:18 -0800
Message-ID: <CANxMeyCir4zTfXJRUP4xhk4bhuU1B3F5_9PijHGH2u2oMjKFwg@mail.gmail.com>
To: DevSH Graphics Programming on Gmail <devsh.graphicsprogramming@gmail.com>
Cc: iam here <iamhereintheworld@gmail.com>, public-gpu <public-gpu@w3.org>
(3rd retry sending this email is the charm, had a typo in the group's
address)

Unfortunately, WebCL is long dead, and there are no longer any
implementations. However, a polyfill or implementation of raytracing atop
compute shaders would be good as it would make this functionality much
wider reaching.

On Sat, Dec 22, 2018, 4:41 AM DevSH Graphics Programming on Gmail <
devsh.graphicsprogramming@gmail.com wrote:

> You can already use Radeon Rays for similar functionality.
> Most probably the Vulkan backend could be ported to WebGPU.
>
> Furthermore it uses OpenCL as one of the backends, so as long as you
> code a workaround for the lack of mapping you could even do realtime
> raytracing in webCL with emscripten.
>
> On 22/12/2018 02:08, Kai Ninomiya wrote:
> > It's possible in the future. Once:
> > - WebGPU is closer to finalization
> > - Raytracing APIs have matured some more across the native APIs
> > then we would welcome an in-depth investigation into how a raytracing
> > extension could be added to WebGPU (a proposal for an API that can be
> > implemented efficiently and securely on top of all relevant native APIs).
> >
> > On Fri, Dec 21, 2018 at 11:32 AM iam here <iamhereintheworld@gmail.com
> > <mailto:iamhereintheworld@gmail.com>> wrote:
> >
> >     Hi,
> >     I'm curious to know if it will someday be possible to do realtime
> >     raytracing on the new Nvidia RTX cards, using WebGPU (and also,
> >     subsequently, on AMD's, whenever they launch an equivalent)?
> >
> >     Thanks.
> >
>

Received on Saturday, 22 December 2018 18:44:53 UTC

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