1 frame per 2 seconds - what could be the problem?

this strange thing happens on an otherwise normal (?) laptop
(centrino, Intel chip for graphics, resolution 1280x800 and WinXP)
-every program using SDL I tried takes about 2 min to show the
content of the window (this includes pygame and some games written in
C++; I only used precompiled binaries - I’m certainly no developer).
Has anyone else met such a problem? What can it be?

Hi there.

It is a wierd behavior;
Maybe your driver is misconfigured.
I don’t know anything about laptops, but, some time
ago, there where some people with the same kind of
problem.
Someone (I don’t remember who) wich was a notebook
related thing, wich is, the screen have one real video
resolution, when you try other video modes, it
stretchs it to fit in the screen real video
resolution, wich can make the things to became slow on
certain circunstances.

Hope I’ve helped,

  • In?cio Ferrarini.

— Pavol Severa <pavol.severa at gmail.com> escreveu:> this strange thing happens on an otherwise normal

(?) laptop
(centrino, Intel chip for graphics, resolution
1280x800 and WinXP)
-every program using SDL I tried takes about 2 min
to show the
content of the window (this includes pygame and some
games written in
C++; I only used precompiled binaries - I’m
certainly no developer).
Has anyone else met such a problem? What can it be?


SDL mailing list
SDL at libsdl.org
http://www.libsdl.org/mailman/listinfo/sdl


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Hi!

The problem there is with the video mode, I assume.
My experience is that in the regular video modes (3:4 aspect ratio, ie.
1024x768, etc.), the rendering is much faster.
Did you try those SDL apps in both fullscreen and windowed mode?

Furthermore my opinion about mobile graphics isn’t positive.
Anyway, the problem is around the video driver I guess.On Wed, 2005-11-30 at 11:27 -0300, J Inacio wrote:

Hi there.

It is a wierd behavior;
Maybe your driver is misconfigured.
I don’t know anything about laptops, but, some time
ago, there where some people with the same kind of
problem.
Someone (I don’t remember who) wich was a notebook
related thing, wich is, the screen have one real video
resolution, when you try other video modes, it
stretchs it to fit in the screen real video
resolution, wich can make the things to became slow on
certain circunstances.


D?me

    Home: http://dgyimesi.uw.hu

I recently had a report from someone who was trying to
use my SDL project and was getting a blank screen. He
updated his video drivers to the latest version and
the project worked fine. The same project worked fine
on other machines (including one that was almost
identical in spec). The machine used onboard Intel
graphics.

So I’d maybe check the video drivers if you haven’t
done so already.

Guilherme

— Pavol Severa <pavol.severa at gmail.com> wrote:> this strange thing happens on an otherwise normal

(?) laptop
(centrino, Intel chip for graphics, resolution
1280x800 and WinXP)
-every program using SDL I tried takes about 2 min
to show the
content of the window (this includes pygame and some
games written in
C++; I only used precompiled binaries - I’m
certainly no developer).
Has anyone else met such a problem? What can it be?


SDL mailing list
SDL at libsdl.org
http://www.libsdl.org/mailman/listinfo/sdl


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Hi again,

There is one thing I forgot to say, take care about
hw surfaces… if you are reading data from surfaces,
you must use sw surfaces (hw surfaces are good only
for writing, reading from it is a pain on the back).

Give a look at your code and try to measure the time
some parts of it takes to fininsh, so you can have an
idea if it is your code, and, if it is, in wich part
of it.

Hope I helped,

  • In?cio Ferrarini.

— Guilherme De Sousa <g_hds at yahoo.co.uk> escreveu:> I recently had a report from someone who was trying

to
use my SDL project and was getting a blank screen.
He
updated his video drivers to the latest version and
the project worked fine. The same project worked
fine
on other machines (including one that was almost
identical in spec). The machine used onboard Intel
graphics.

So I’d maybe check the video drivers if you haven’t
done so already.

Guilherme

— Pavol Severa <pavol.severa at gmail.com> wrote:

this strange thing happens on an otherwise normal
(?) laptop
(centrino, Intel chip for graphics, resolution
1280x800 and WinXP)
-every program using SDL I tried takes about 2
min
to show the
content of the window (this includes pygame and
some
games written in
C++; I only used precompiled binaries - I’m
certainly no developer).
Has anyone else met such a problem? What can it
be?


SDL mailing list
SDL at libsdl.org
http://www.libsdl.org/mailman/listinfo/sdl


WIN ONE OF THREE YAHOO! VESPAS - Enter now! -

http://uk.cars.yahoo.com/features/competitions/vespa.html


SDL mailing list
SDL at libsdl.org
http://www.libsdl.org/mailman/listinfo/sdl


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