Well, suppose we try a different example. https://developer.apple.com/library/mac/#samplecode/OpenCL_Procedural_Grass_and_Terrain_Example/Introduction/Intro.html
runs fine on my MacBook Air. Exits with status 1 on the Westmere Mac Pro with factory installed 5870. This uses just Xcode, and not Quartz Composer... Does this run on any other Westmere with 5870? Is it a setup problem on my machine? -- Glen On Nov 22, 2010, at 3:40 PM, Roger Jones wrote: > Running the openCL list linked below my 4870 does not show up, though it > works with smallLux an I thought it was working with earlier versions of QC. > Is the OpenCL Context info patch reliable? > > Roger Jones > > On Nov 22, 2010, at 2:00 AM, JeanMarc Noel wrote: > >> Hi, >> As speckert i'am also confused regarding the choice of a graphic card with >> decent openCL support in QC. >> I asked for a refund for my ATI 5870. I recently read the ATI 5770 doesn't >> support double precision floating point. >> It looks like the best candidate with mature drivers were the ATI 4870 and >> the Nvidia GTX 285 but there are no longer available in the Apple Store. >> >> What is actually the recommanded graphic card for MacPro with decent OpenCL >> support for development in Quartz Composer ? >> >> >> Thanks for any help, >> >> JeanMarc Noel >> >> >> >> Le 22 nov. 2010 à 04:56, speckert a écrit : >> >>> Christopher, >>> >>> I'm confused. >>> >>> I was definitely under the impression that if I bought a Mac Pro, Westmere, >>> and the high end graphics card, 5870, that I would be able to use OpenCL in >>> the development tools, in particular in Quartz Composer. >>> >>> Do I need to buy an Nvidia card to use OpenCL? >>> >>> Does QC support the 5870 for OpenCL development? >>> >>> These should not be complicated questions or answers. Either it does or it >>> does not. >>> >>> Which is it? >>> >>> -- Glen >>> >>> On Nov 18, 2010, at 10:18 AM, Christopher Wright wrote: >>> >>>> Hi JeanMarc :) >>>> >>>>> This page is listing the cards that support OpenCl with Snow Leopard : >>>>> Apple - Mac OS X Snow Leopard - Technical specifications >>>>> >>>>> But it looks like it is not really up-to-date or perhaps optimistic. >>>> >>>> It's potentially correct/up-to-date, but it may not be enough for QC. QC >>>> requires some additional CL features, and it might be those extensions >>>> that the card doesn't support. >>>> >>>> (Think of it like you would multisampling, or floating point textures in >>>> OpenGL -- not all GPUs support multisampling or floating point textures >>>> because they're extensions, so if your program absolutely _required_ those >>>> features, it just wouldn't work on that GPU. The GPU would still "support >>>> OpenGL", just not some of the advanced stuff you need). >>>> >>>> -- >>>> Christopher Wright >>>> christopher_wri...@apple.com >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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: >>>> http://lists.apple.com/mailman/options/quartzcomposer-dev/speckert%40specktech.com >>>> >>>> This email sent to speck...@specktech.com >>> >>> >>> >>> _______________________________________________ >>> 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: >>> http://lists.apple.com/mailman/options/quartzcomposer-dev/jm%40yanomanow.com >>> >>> This email sent to j...@yanomanow.com >> >> _______________________________________________ >> 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: >> http://lists.apple.com/mailman/options/quartzcomposer-dev/rogerjones%40mac.com >> >> This email sent to rogerjo...@mac.com > > _______________________________________________ > 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: > http://lists.apple.com/mailman/options/quartzcomposer-dev/speckert%40specktech.com > > This email sent to speck...@specktech.com
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