This iMac has an ATI Radeon HD 2600 Pro graphics card.
On 2-May-08, at 8:26 AM, Oleg Kobchenko wrote:
See what graphics card is in your Macs
where the distortions are. There is a good chance
they are Intel integrated graphics cards.
You may want to see if it is possible to change
the 3D settings of the graphics card.
Also you could try to identify what particular
OpenGL features cause the problem and see if there
are alternatives.
--- On Fri, 5/2/08, Mike Powell <[EMAIL PROTECTED]> wrote:
I too see something strange.
The first thing is that the OpenGL demo on my PC (which is
XP Home
running under Parallels on my Mac) offers a first window
with all
sorts of alternatives to try out. On my Mac (which is OS
10.5.2) I go
straight into the rotating coloured object. Looks as if the
versions
are different.
On my PC the demo works as you'd expect. On my Mac,
there seems to be
an intermittent problem with a closer face hiding a more
distant face.
Thus you sometimes get a look-through effect with objects
rotating in
the wrong direction. Very confusing to the eye.
My Mac Java version is also 1.5.0_13.
Mike
On 2-May-08, at 12:22 AM, Carl Jacobs wrote:
Brian,
My java version is:
java version "1.5.0_13"
Java(TM) 2 Runtime Environment, Standard Edition
(build 1.5.0_13-
b05-237)
Java HotSpot(TM) Client VM (build 1.5.0_13-119, mixed
mode, sharing)
I'm not even sure how I'd update it, as
I'm quite new to Mac.
Although it would seem that I'm not too far out of
sync.
I guess the font limitation serves me right for not
looking at the
source!
I'm not sure how to describe what I see with
lookat, so I've
attached a screen grab. This is the image that
displays on startup.
Rotating the image (x,y,z keys), results in other
strange
variations. It sort of feels like an inverted
perspective, which is
being affected by a clipping plane. When I rotate the
cube to look
at the back three faces (cyan, magenta, yellow), then
it all looks
fine! I've done a source compare with my Windows
box, and the source
looks the same. I tried swapping the order of some of
the vertices
(from clockwise to counter-clockwise), thinking that
maybe it was
being affected by the normals, but that also
didn't help.
Regards,
Carl.
Carl,
On my Mac running 10.4.11 the lookat demo seems to
look all right. What java version Are you
running?
java -version
java version "1.5.0_13"
Java(TM) 2 Runtime Environment, Standard Edition
(build 1.5.0_13-
b05-241)
Java HotSpot(TM) Client VM (build 1.5.0_13-121,
mixed mode, sharing)
The font demos run only on Windows boxes. View the
script for font and you will see the following.
NB. note glaUseFontBitmaps supported in Windows
only
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