As I see the Metal Texture API has option to create and get an IOSurfaceRef to/from a Metal texture, so probably that could be a workaround, but had no chance to try that out myself.
Mark: there are some really valuable info in that topic, thanks for letting us know! > On 17 Jun 2015, at 13:23, George Toledo <gtole...@gmail.com> wrote: > > Look at the Metal API...if it has compatibility to render to an OpenGL > context with a version number as old as what QC uses, there is some chance. > > FWIW, I wish Apple would spend more time making sure all of their OpenGL > drivers are up to par, supporting as recent a version as they can. Aside from > QC issues. Stop reinventing the wheel or spending time on stop gap measures. > I know that efforts like this give a little hype and publicity but...I feel > like I've seen this dog and pony show before with OpenCL. > > Best, > gt > > On Jun 17, 2015, at 1:20 AM, Mark Coniglio <m...@troikatronix.com > <mailto:m...@troikatronix.com>> wrote: > >> Dear All, >> >> A topic on the forum for my software Isadora (http://troikatronix.com/ >> <http://troikatronix.com/>) -- which hosts QC plugins -- might prove >> informative. The discussion is not focused on QC, but we discussed the >> general implications of the Metal announcement in some depth. >> >> http://troikatronix.com/troikatronixforum/discussion/2049/metal-for- >> <http://troikatronix.com/troikatronixforum/discussion/2049/metal-for->mac >> >> Specifically regarding QC, I spoke to someone who is far more of an expert >> at advanced GPU programming than me, and his feeling was that Quartz >> Composer and Metal were not going to play happily together. >> >> I suspect the assumption made in a previous post in this thread -- that >> Quartz Composer would need to be written from the ground up before it would >> work properly with Metal -- is probably on target. >> >> Best Wishes, >> Mark >> >> At 7:38 PM +0000 6/16/15, Brown George wrote: >>> I was wondering about this as well. There could be ways of taking >>> advantage of it in a custom plugin. eg. write a plugin to perform it's >>> thing in Metal or other technology (Scenekit?), and output the result back >>> into the QC context, but I wonder if it's really worth the hassle. If you >>> were really determined to do some powerful stuff for another QC compatible >>> application it might be worth it. I've only ever briefly looked at writing >>> a QC Plugin, so not sure if there would be restrictions that would make it >>> impractical. I was thinking of basically a QC Plugin that just wraps a >>> self contained visual or effect, while still allowing access to QC >>> inputs/outputs from whatever application you're playing QC from. >>> >>> George >>> On Tuesday, 16 June 2015, 21:06, >>> "quartzcomposer-dev-requ...@lists.apple.com >>> <mailto:quartzcomposer-dev-requ...@lists.apple.com>" >>> <quartzcomposer-dev-requ...@lists.apple.com >>> <mailto:quartzcomposer-dev-requ...@lists.apple.com>> wrote: >>> >>> >>> Message: 1 >>> Date: Tue, 16 Jun 2015 22:27:55 +0700 >>> From: Roger Bolton <ro...@eskatonia.net <mailto:ro...@eskatonia.net>> >>> To: Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com> >>> Subject: QC and Metal? >>> Message-ID: <2efb44f4-a426-4459-bb21-a2b367b96...@eskatonia.net >>> <mailto:2efb44f4-a426-4459-bb21-a2b367b96...@eskatonia.net>> >>> Content-Type: text/plain; charset=utf-8 >>> >>> Does anyone know if it will possible for us to take advantage of speedups >>> from Metal in QC? Even if Apple does not specifically address that? I >>> mean could we write individual new coreimage nodes and filters using the QC >>> API and Metal in order to speed up certain portions of the QC rendering >>> chain? >>> >>> Or will Metal improvements happen automatically with new drivers from >>> Nvidia and AMD and we won't need to recode? >>> >>> thanks >>> >>> Roger >>> CoreMelt >>> >>> >>> ------------------------------ >>> >>> Message: 2 >>> Date: Tue, 16 Jun 2015 16:31:01 +0100 >>> From: Alex Drinkwater <the_vo...@yahoo.co.uk <mailto:the_vo...@yahoo.co.uk>> >>> To: Roger Bolton <ro...@eskatonia.net <mailto:ro...@eskatonia.net>> >>> Cc: "Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com>" >>> <Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com>> >>> Subject: Re: QC and Metal? >>> Message-ID: <e60183fc-c747-4531-baad-ed0831e9a...@yahoo.co.uk >>> <mailto:e60183fc-c747-4531-baad-ed0831e9a...@yahoo.co.uk>> >>> Content-Type: text/plain; charset=utf-8 >>> >>> I have a feeling Metal will completely break QC, unless it's rewritten from >>> the ground up. Maybe I'm wrong though. Anyone at Apple care to comment? >>> >>> Alex >>> >>> > On 16 Jun 2015, at 16:27, Roger Bolton <ro...@eskatonia.net >>> > <mailto:ro...@eskatonia.net>> wrote: >>> > >>> > Does anyone know if it will possible for us to take advantage of speedups >>> > from Metal in QC? Even if Apple does not specifically address that? I >>> > mean could we write individual new coreimage nodes and filters using the >>> > QC API and Metal in order to speed up certain portions of the QC >>> > rendering chain? >>> > >>> > Or will Metal improvements happen automatically with new drivers from >>> > Nvidia and AMD and we won't need to recode? >>> > >>> > thanks >>> > >>> > Roger >>> > CoreMelt >>> > _______________________________________________ >>> > Do not post admin requests to the list. They will be ignored. >>> > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >>> > <mailto:Quartzcomposer-dev@lists.apple.com>) >>> > Help/Unsubscribe/Update your Subscription: >>> > https://lists.apple.com/mailman/options/quartzcomposer-dev/the_voder%40yahoo.co.uk >>> > >>> > <https://lists.apple.com/mailman/options/quartzcomposer-dev/the_voder%40yahoo.co.uk> >>> > >>> > This email sent to the_vo...@yahoo.co.uk <mailto:the_vo...@yahoo.co.uk> >>> >>> >>> >>> ------------------------------ >>> >>> Message: 3 >>> Date: Tue, 16 Jun 2015 08:33:52 -0700 (PDT) >>> From: Alastair Leith <qc.student...@gmail.com >>> <mailto:qc.student...@gmail.com>> >>> To: Roger Bolton <ro...@eskatonia.net <mailto:ro...@eskatonia.net>>, >>> quartzcomposer-dev list list >>> <quartzcomposer-dev@lists.apple.com >>> <mailto:quartzcomposer-dev@lists.apple.com>> >>> Subject: Re: QC and Metal? >>> Message-ID: <1434468831949.2e5da5ae@Nodemailer >>> <mailto:1434468831949.2e5da5ae@Nodemailer>> >>> Content-Type: text/plain; charset="utf-8" >>> >>> good question! was assuming it wouldn't touch QC as my guess is it is an >>> alternative to OpenGL and bypasses it - so won't touch QC either way. >>> >>> On Tue, Jun 16, 2015 at 11:29 PM, Roger Bolton <ro...@eskatonia.net >>> <mailto:ro...@eskatonia.net>> >>> wrote: >>> >>> > Does anyone know if it will possible for us to take advantage of speedups >>> > from Metal in QC? Even if Apple does not specifically address that? I >>> > mean could we write individual new coreimage nodes and filters using the >>> > QC API and Metal in order to speed up certain portions of the QC >>> > rendering chain? >>> > Or will Metal improvements happen automatically with new drivers from >>> > Nvidia and AMD and we won't need to recode? >>> > thanks >>> > Roger >>> > CoreMelt >>> > _______________________________________________ >>> > Do not post admin requests to the list. They will be ignored. >>> > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >>> > <mailto:Quartzcomposer-dev@lists.apple.com>) >>> > Help/Unsubscribe/Update your Subscription: >>> > https://lists.apple.com/mailman/options/quartzcomposer-dev/qc.student.au%40gmail.com >>> > >>> > <https://lists.apple.com/mailman/options/quartzcomposer-dev/qc.student.au%40gmail.com> >>> > This email sent to qc.student...@gmail.com >>> > <mailto:qc.student...@gmail.com> >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: >>> <http://lists.apple.com/archives/quartzcomposer-dev/attachments/20150616/b3b7c6eb/attachment.html >>> >>> <http://lists.apple.com/archives/quartzcomposer-dev/attachments/20150616/b3b7c6eb/attachment.html>> >>> >>> ------------------------------ >>> >>> _______________________________________________ >>> Quartzcomposer-dev mailing list >>> Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com> >>> https://lists.apple.com/mailman/listinfo/quartzcomposer-dev >>> <https://lists.apple.com/mailman/listinfo/quartzcomposer-dev> >>> >>> >>> End of Quartzcomposer-dev Digest, Vol 119, Issue 1 >>> ************************************************** >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com>) >>> Help/Unsubscribe/Update your Subscription: >>> https://lists.apple.com/mailman/options/quartzcomposer-dev/mark%40tro >>> <https://lists.apple.com/mailman/options/quartzcomposer-dev/mark%40tro>ikatronix.com >>> <http://ikatronix.com/> >>> >>> This email sent to m...@troikatronix.com >>> <mailto:m...@troikatronix.com></x-charset>t >> >> >> -- >> ======================================================================= >> Mark Coniglio | m...@troikatronix.com >> <mailto:m...@troikatronix.com> >> TroikaTronix | http://www.troikatronix.com/ >> <http://www.troikatronix.com/> >> Isadora® | http://www.troikatronix.com/isadora.html >> <http://www.troikatronix.com/isadora.html> >> | (interactive media processing environment) >> ======================================================================= >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >> <mailto:Quartzcomposer-dev@lists.apple.com>) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com >> >> <https://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com> >> >> This email sent to gtole...@gmail.com >> <mailto:gtole...@gmail.com>_______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com > <mailto:Quartzcomposer-dev@lists.apple.com>) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/quartzcomposer-dev/info%40cogevj.hu > <https://lists.apple.com/mailman/options/quartzcomposer-dev/info%40cogevj.hu> > > This email sent to i...@cogevj.hu <mailto:i...@cogevj.hu>
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