On Tuesday, July 2, 2002, at 10:00  AM, Darcy James Argue wrote:

>> I have read some of the Jaguar details. You will have to have 
>> some minimum card (nVidia: GeForce2MX, GeForce3, GeForce4 Ti, 
>> GeForce4 or GeForce4MX. ATI: any AGP Radeon card. 32MB VRAM 
>> recommended for optimum performance) to take advantage of the 
>> Quartz graphics but I don't know if it is possible to upgrade 
>> your machine to one of them.

> Philip,

> You are confusing two different issues.

Probably.


> What you are talking about is "Quartz Extreme,"

Yes, that's what I was talking about--and that Johannes might 
not be able to take advantage of it on his machine. I'm not even 
sure if I'll be able to use it on the iMac 500 purchased last 
September.

I'm more interested in the other parts promised for Jaguar I 
mentioned.  How fast things draw is one thing, but what they 
draw, or really, what *I* could draw with the new toolbox 
control compositing/sub-classing capabilities has perked up my 
ears considerably.


Philip

PS: Thanks for that "Sneak peek" Sound/Midi panel link!



> The original issue of OS X did not support Quartz graphic 
> acceleration for *any* video card, but it did support 
> hardware-accelerated QuickTime playback and OpenGL for most 
> video cards.  However, there were some ostensibly "OS 
> X-supported" machines, such as the beige G3's, the original 
> iMac, and some PowerBook G3's, which were outfitted with very 
> old video cards (ATI Rage II, ATI Rage Pro), and QuickTime and 
> OpenGL acceleration was not enabled under OS X on these 
> machines.  Subsequently, some of the owners of these machines 
> banded together and sued Apple for false advertising, and to 
> avoid the lawsuit, Apple moved quickly to introduce support for 
> these video cards.  (They have been supported since OS 10.1.4, 
> I believe).


> What you are talking about is "Quartz Extreme," which is about 
> accelerating the actual GUI of OS X.  I should add that it is 
> not possible to upgrade the video card in a notebook computer 
> or iMac, nor is it possible to add an AGP slot to the 
> motherboard of a G3 or first-generation G4, so only the users 
> of the very latest hardware will be able to benefit from Quartz 
> Extreme.  However, there is nothing sinister going on here -- 
> it's simply that video cards with less than 32 MB of RAM 
> typically cannot process Quartz graphics more quickly than the 
> CPU, and the higher bandwidth of AGP slots (vs. PCI) is also 
> required to make this feasible.  Apple could enable Quartz 
> Extreme on lower-end computers, but the result would be that 
> they would run the GUI *slower*, not faster.

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