[webkit-dev] WebCL Release

Oliver Hunt oliver at apple.com
Tue Jul 5 10:53:19 PDT 2011

How has the WebCL spec dealt with the inherent security problems of OpenCL in the face of untrusted content?  In the WebGL working group we spent a lot of time working on how to adequately restrict GLSL|ES to prevent security vulnerabilities, and I haven't really heard anything about what approach the WebCL WG has been taking.  My concern is that OpenCL is far less restrictive than GLSL, and yet we had to clamp down on what was possible even then.


On Jul 5, 2011, at 10:41 AM, Won Jeon wrote:

> Dear Simon,
> Thanks for your interest in our WebCL prototype in WebKit. 
> Currently, it's integrated with WebKit r78407 and hasn't been checked with
> WebKit's coding style guidelines. It's tested on Mac with Nvidia GPU which
> supports OpenCL support. Updating the code to a newer WebKit and Porting the
> code to other platforms should be straightforward because the only
> platform-dependent part is OpenCL support.
> WebGL is not needed for WebCL itself, but it would be better for
> interoperability between WebCL and WebGL, so that's why we started this work
> on Mac first.
> Regards,
> Won
> -----Original Message-----
> From: Simon Fraser [mailto:simon.fraser at apple.com] 
> Sent: Tuesday, July 05, 2011 8:12 AM
> To: Gyuyoung Kim
> Cc: webkit-dev at lists.webkit.org; Simon Gibbs; Won Jeon - SISA;
> jinwoo7.song at samsung.com
> Subject: Re: [webkit-dev] WebCL Release
> On Jul 3, 2011, at 6:28 PM, Gyuyoung Kim wrote:
>> Hello WebKit Developers,
>> Samsung has just open sourced an implementation of "WebCL" for WebKit. 
>> This is a prototype of a proposed WebCL standard that aims to define
>> JavaScript APIs for OpenCL.
>> The code is located at http://code.google.com/p/webcl/ and some demo
> videos
>> at http://www.youtube.com/user/SamsungSISA.
>> We're interested in any feedback on the prototype and how it can be better
>> integrated with WebKit.
> Perhaps you can summarize here how it works now, and what directions you see
> for closer integration
> with WebKit?
> Simon
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