Re: [webkit-dev] parallel rendering in WebKit

2010-02-20 Thread Zoltan Herczeg
Hi, thanks for all of your for your help. I would be worried about correctness - if painting is not complete by the time the paint method returns, then you could get flashes of intermediate states showing up onscreen. We plan to do the painting on a background image. When all the painting

Re: [webkit-dev] parallel rendering in WebKit

2010-02-20 Thread Holger Freyther
On Friday 19 February 2010 23:36:26 Zoltan Herczeg wrote: Hi, as all of you probably know, smp based systems are getting widespread even in the embedded domain, and we hope we can speed up webkit on these systems. We did some profiling, and seemed the platform dependent rendering took 50%

Re: [webkit-dev] parallel rendering in WebKit

2010-02-20 Thread Mike Marchywka
Date: Sat, 20 Feb 2010 12:22:02 +0100 From: zherc...@inf.u-szeged.hu To: m...@apple.com CC: webkit-dev@lists.webkit.org Subject: Re: [webkit-dev] parallel rendering in WebKit Hi, thanks for all of your for your help. I'm also curious how

Re: [webkit-dev] parallel rendering in WebKit

2010-02-19 Thread Brent Fulgham
Hi Zoltan, On Fri, Feb 19, 2010 at 2:36 PM, Zoltan Herczeg zherc...@inf.u-szeged.hu wrote: The plan is opening a rendering thread for each document object. [...] This is still a vague idea, and we are still investigating the possibilities. What is your opinion? Do you know about any major

Re: [webkit-dev] parallel rendering in WebKit

2010-02-19 Thread Stephan Assmus
Hi, On 2010-02-19 at 23:46:11 [+0100], Benbuck Nason bna...@netflix.com wrote: To me it seems like the biggest gain would be to have two threads: one for update/layout, and another for rendering. This would probably require double-buffering the render state though. it's not really my place to

Re: [webkit-dev] parallel rendering in WebKit

2010-02-19 Thread Mike Marchywka
Date: Fri, 19 Feb 2010 23:36:26 +0100 From: zherc...@inf.u-szeged.hu To: webkit-dev@lists.webkit.org Subject: [webkit-dev] parallel rendering in WebKit Hi, as all of you probably know, smp based systems are getting widespread even

Re: [webkit-dev] parallel rendering in WebKit

2010-02-19 Thread Leo Meyerovich
We've been experimenting in our model with various modes of parallel 2D rendering (basic theme: GPU/SMP support rocks) but have a more wide open design space than WebKit's. For a not-too-painful approach, looks like Firefox is doing well, and that's even for D2D (not retained mode): check out

Re: [webkit-dev] parallel rendering in WebKit

2010-02-19 Thread Maciej Stachowiak
On Feb 19, 2010, at 7:20 PM, Leo Meyerovich wrote: We've been experimenting in our model with various modes of parallel 2D rendering (basic theme: GPU/SMP support rocks) but have a more wide open design space than WebKit's. For a not-too-painful approach, looks like Firefox is doing well,