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DERRRR!!!!
Authored by: DVD Plaza on Aug 02, '02 08:08:25PM

Why are people so surprised to see a speed improvement whenever someone suggests turning off a "graphical" feature?!? OSX calculates and draws all the fancy graphics pixel by pixel ITSELF, so the CPU is the one doing all the work - no joke turning off shading, font smoothing, etc is going to result in a speed increase.

All these concepts will become 100% mute with Jaguar, since Quartz Extreme offloads all the graphics work to the hardware - disabling any fancy graphics will then have NO effect period.



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DERRRR!!!!
Authored by: Durandal on Aug 02, '02 08:51:45PM

Quartz Extreme isn't a GUI cure-all. It only accelerates certain effects, like alpha-channel drawing and minimizing. The speed difference between Jaguar and previous versions is nowhere near as dramatic as it should be if its fully-blown hardware accelerated.



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DERRRR!!!!
Authored by: maxgraphic on Aug 03, '02 04:44:36PM

There is certainly a lot of confusion about what Quartz Extreme will do. It will have no effect at all on font smoothing, for instance. From Apple's site:

"Here's how it works. Quartz uses the integrated OpenGL technology to convert each window into a texture, then sends it to the graphics card to render on screen."

So Quartz Extreme is all about using a (supported) video card to do the heavy lifting of displaying windows, which can interact with other windows in complex ways because of transparency. But the job of drawing the window in the first place, creating that bitmap, will still be done the way it is today.

I also wanted to point out that checking "Disable Quartz text smoothing" makes Word (and other Office apps) go back to using plain-old QuickDraw to render text, which indeed is antialiased, but not as well as Quartz. This isn't a Silk issue.

One last thing, just to be picky: a point can become "moot," but not "mute," unless you mean it has become silent.



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DERRRR!!!!
Authored by: philby on Aug 05, '02 10:52:11AM

QE does not let the hardware do all the computations. Only image compositing is offloaded to the GPU, everything else (notably font rendering and antialiasing) is still done with the CPU. See http://www.opengl.org/developers/code/features/siggraph2002_bof/sg2002bof_apple.pdf.



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