Yes, context switching matters as well, so +1 for modify my rendering pipeline to use only 1 FBO.
On 10 Nov 2013, at 17:11, Achim Breidenbach <ac...@boinx.com> wrote: > Thamas, > > memory usage is one thing you have to consider but context switching > is another. AFAIK the graphics card has got a hard time if you change > the graphical context to often because it has to restore its complete > state each time. > > Just my 2 cents. > > Best, > > Achim Breidenbach > Boinx Software Ltd. > >> Am 10.11.2013 um 16:36 schrieb CoGe - Tamas Nagy <i...@cogevj.hu>: >> >> Hi, >> >> this question is more about GL then QC, but probably there are people who >> interested in the same. >> >> I actually rendering QCRenderers to FBO in my app. Every QCRenderer has its >> own GL context (shared with the main context), with an FBO, render buffer >> and texture bound. It works well, but I guess its not really optimal, since >> every renderers has its own FBO, buffer and texture, so, if the more >> QCRenderers, the more GL memory using. >> >> I’m thinking about using only one context (shared with the main context), >> one FBO with one render buffer and one texture and rendering to those. So, >> render with QCRenderer, pass the texture with CIImage to an other, then so >> on. >> >> I know the best if I try, and I actually doing it, but I’m curios about >> anyone using the same workflow in their app, etc. >> >> Thanks, >> Tamas >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/quartzcomposer-dev/achim%40boinx.com >> >> This email sent to ac...@boinx.com
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