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Check if Quartz Extreme is being used Apps
I just found this neat little app at Marc Liyanage's site that shows you if your video card is using Quartz Extreme. Thanks to Marc for providing such an useful tool (along with his MySQL, PHP, and other packages, as well!).
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Check if Quartz Extreme is being used | 15 comments | Create New Account
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Other ways
Authored by: Jay on Aug 29, '02 12:15:48PM
I think these are other ways to tell if QE is active:
  1. If the cursor has a shadow in the Finder, QE's active.
  2. In Desktop preferences, have it switch the image every few seconds. If the images fade from one to the next, QE's on. If they just suddenly change, no QE.
  3. If you play a dvd, pull a menu down and can see the dvd playing through the menu, QE's active.
This is starting to sound like Jeff Foxworthy. "If you're getting transparancies and shadows, you just might be a QE user." ;)

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Other ways
Authored by: liyanage on Aug 29, '02 02:15:56PM

The cursor shadow thing is not a reliable indicator. Many users reported having the shadow even when Quartz Extreme is not active.



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Other ways
Authored by: nichrome on Aug 30, '02 05:09:58PM

And some users (like me) have a Quartz Extreme accelerated display (or several accelerated displays) and no mouse shadow.



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Even more useful...
Authored by: MattHaffner on Aug 29, '02 12:41:25PM

This util becomes even more useful with <a href="http://arstechnica.infopop.net/OpenTopic/page?a=tpc&s=50009562&f=8300945231&m=7390915135">this tip</a> from the Ars Technica Mac forum, which allows those of us with PCI cards (still need to meet the VRAM requirements) to enable QE. There are a few anomolies, but many tasks are indeed faster.

BTW, the cursor has a shadow thing is just hogwash. I don't know where this started, but I had a shadow (+white border) before enabling QE. Stop the madness! :)



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ok so now what>
Authored by: graphite24 on Aug 29, '02 03:44:42PM

Yeah so I tested to see if QE was enabled and apparantly it is not.

So What do I do to enable it????

thanks



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Even more useful...
Authored by: cgbrewer on Sep 08, '02 09:14:33PM

I can confirm on that the cursor does NOT have a shadow on a Grape iMac 333 with clean install of 10.2, not running QE. Conversely, the cursor does have a shadow on a 15" LCD iMac with a clean install of 10.2 which IS running QE.

First hand experience; adding to the madness.



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Even more useful...
Authored by: trevor on Sep 09, '02 05:35:38PM

MattHafner wrote:
> BTW, the cursor has a shadow thing is just hogwash. I don't know where this started,
> but I had a shadow (+white border) before enabling QE.

I suspect either you are referring to something different as the shadow, or else you did already have QE enabled before you thought you did. On my G4/450 with Radeon AGP the cursor clearly has a shadow, on my G4/466 with Rage 128 Pro (and thus QE disabled) the cursor clearly does not have a shadow. (Both are running 10.2) The white border is there regardless.

Trevor



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Even more useful...
Authored by: Aran Crowe on Dec 27, '02 03:28:14PM

In the Configuration.plist file (/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/), where you edit the file to enable QE on a PCI graphics card, you could probably also modify the minimum amount of vram required to run QE. The lines in question look like this:
<key>GLCompositorMinimumVRAM</key>
<integer>16</integer>
So if you had an 8MB PCI graphics card, you could theoretically still run QE., if you changed them to something like this...

<key>GLCompositorMinimumVRAM</key>
<integer>8</integer>

Not that I recommend or condone any such behavior.Your computer, your fault.

-Aran Crowe



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Not fully hogwash
Authored by: ihafro on Mar 14, '03 12:09:25AM

"BTW, the cursor has a shadow thing is just hogwash. I don't know where this started, but I had a shadow (+white border) before enabling QE. Stop the madness! :"

Apple states that the cursor shadow should only be enabled on systems that use QE. As we've seen this isn't fully true, it seems rather random. I never had the drop shadow until I installed a Radeon 7000. So my theory is that the drop shadow will appear if you have a video card that COULD handle QE (i.e. the Radeon 7000 PCI is the same as the 7k AGP, just with the slower bus)

Not that helpful, but at least you know where the rumor started....



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results on PowerBook G4
Authored by: scottstu on Sep 07, '02 10:48:49PM

It's no surprise that QE is enabled on my TiBook. But when I attach an external monitor and run the checker app again, neither monitor has it enabled. Could that be right?

-Scott



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results on PowerBook G4
Authored by: trippy on Sep 08, '02 01:04:47AM

A possible reason is that a monitor needs so much video ram to produce the colors needed for the display. That is why the cards with more memory have better color. With quartz extreme, the minimum amount of ram needed is 16 to run. While having two monitors, it is splitting the video memory.



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results on PowerBook G4
Authored by: gerwitz on Sep 10, '02 10:33:54AM

I get the same behavior on my Rev B.



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results on PowerBook G4
Authored by: fabrizio on Jan 01, '03 07:55:41PM

I quote from <http://www.rutemoeller.com/mp/ibook/ibook_e.html>:

"You can fix this issue by changing the value of

GLCompositorMinimumVRAM

in the file

/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/
CoreGraphics.framework/Versions/A/Resources/Configuration.plist
from 16 to 8. "



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So Now What?
Authored by: jkuehn1010 on Sep 11, '02 11:26:47AM

Ok so I run this app and find out that my QE is not enabled...what do I do from there to get it on? Is there a setting that I need to turn on or do I just need to buy a card that supports QE?

Thanks,

Jami



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Cursor Shadow Distinct From QE
Authored by: smeger on Oct 28, '02 08:42:20PM

A shadowed cursor is completely distinct from whether your machine is running QE. You get a shadowed cursor if your video card driver responds YES to a system call asking whether the card supports a hardware cursor. This has nothing to do with whether you're running quartz extreme, except in that most of the cards that support hardware cursors also support QE.



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