Subject:
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Re: Ldglite bug report (Was: Portable Ldraw system)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 19 Aug 2002 01:24:18 GMT
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Viewed:
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1786 times
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In lugnet.cad.dev, Jeremy H. Sproat writes:
> In lugnet.cad.dev, Don Heyse writes:
> > Could you give me some feedback on the experimental menu
> > (still right click) in this recently escaped beta version of ldglite?
> > http://news.lugnet.com/cad/?n=8490
>
> Yow! Incredibly slow. :-/
>
> It seems to be constantly re-drawing the screen when the dialog is active.
> It's also pegged my CPU utilization at 100%.
>
> Hmm, double-clicks don't do anything. Or maybe it's just not polling for
> mouse clicks fast enough -- it took me 3 or 4 tries with the OK button to
> change directories.
>
> Weird -- the redraw process "bleeds through" to the top-most window when I
> cover up LDGLite.
>
> It's also just a little bit slower -- my test model takes 21 seconds to
> render. What's really odd is that when the mouse cursor is over the window
> it takes 45 seconds.
Hey I found a Windows 2000 laptop that exhibits the same symptoms so
I did a quick google search for "flickering cursor".
It looks like the nasty flickering pointer is a common problem in
Windows 2000. Go to the Control Panel/Mouse/Pointer tab and uncheck
Enable Pointer Shadow. Apparently this little piece of eye candy
expects to use Alpha blending hardware, and when it's not available,
it goes berserk. Anyhow, disabling it solved many of the problems
on this laptop. I don't think this is opengl specific, but I
could be wrong.
Speaking of disabling, what's the point of those animated tooltips
for the Maximize, Minimize, and close buttons? Unfortunately it
looks like you need to use regedit to disable them. Figures.
http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q186385&
Looks like I'm gonna have to do some Windows specific code to back
up the color buffer in order to avoid full redraws caused by those
silly things. Oh well.
Don
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Message has 1 Reply:
 | | Re: Ldglite bug report (Was: Portable Ldraw system)
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| Got to play with it some more today, some jumbled notes follow... (...) Ok, I changed this and the effect is like night and day. Thanks! I think I'm using the L3P parser. No parser options given, exe is named ldglite.exe. WHOOPS I'm not, -l3 gives (...) (22 years ago, 22-Aug-02, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Ldglite bug report (Was: Portable Ldraw system)
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| (...) It seems to be constantly re-drawing the screen when the dialog is active. It's also pegged my CPU utilization at 100%. Hmm, double-clicks don't do anything. Or maybe it's just not polling for mouse clicks fast enough -- it took me 3 or 4 (...) (22 years ago, 16-Aug-02, to lugnet.cad.dev)
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