Checking Quartz Extreme & Altivec Relationship?
Checking Quartz Extreme & Altivec Relationship?
- Subject: Checking Quartz Extreme & Altivec Relationship?
- From: "Matt R" <email@hidden>
- Date: Tue, 9 Jan 2007 05:17:34 -0800
Hi all,
I'm continuing to work on my game (driving the boat around the ocean) and
was hoping to get some feedback. I'm having trouble understanding the
relationship between Cocoa's API's/Quartz Extreme/ and Altivec hardware. I'm
worried that because I test my game using a G5 I may be ignorant of speed
issues that would affect my program when it was run on an Intel mac or macs
with a shabby video card.
So I guess my questions are these:
1) is there any way to double check to ensure Quartz Extreme is available,
and *enabled* on any given mac?
2) are there hardware considerations that should be checked in the code to
ensure that if Quartz Extreme is enabled, it has the proper hardware to
really work its magic?
3) does quartz extreme function the same on the newer Intels as it did on
the G5's?
my concern, as I mentioned, is that on my iMac G5, with Quartz Extreme
enabled, I have managed to push out an acceptable framerate using NSImage
calls. However, if i turn off Quartz Extreme via the Quartz Debug app my
framerate drops to the floor. I'm worried that on other machines (ie the
Intel Macs), there may be hardware differences that will make Quartz Extreme
function differently, and thus basically make my game unplayable speed-wise.
I'm continuing to learn OpenGL but I have not learned it quickly to warrant
re-writing this whole game in it.
thank you for your time/help~
-matt
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