Re: [clutter] Clutter first impressions

Hi;

On Tue, 2007-06-12 at 14:05 +1000, Josh Stewart wrote:
>
> I recently stumbled across Clutter on Neil Patel's blog and thought
> I'd give it a quick once over. After some initial stumbles, I got it
> working and from the example code I've looked at so far its very
> impressive. Just a couple of comments / questions though:
>

Cool thanks for trying it out :)

> 1) Should Clutter work with an Intel graphics adaptor? I first tried
> this on my laptop and although its a good machine (Core Duo etc) its
> only got an Intel card. All the demo's ran extremely poorly (ie < 1
> FPS) and i thought that there was actually a problem with how I'd
> compiled everything. This same machine is able to run things such as
> Beryl without a problem so I'd be very surprised if it doesn't have
> the hardware grunt for simple demos.

There is a problem with certain versions of the intel drivers where by
attempting to sync to vblank causing the driver to 'stall' for a second
or two. This stall appears to be fixed in newer intel drivers (at least
those shipped with feisty) but I dont think it actually vblanks syncs.

The workaround is to set CLUTTER_VBLANK=none.

>
> 2) After the disapointing results on the laptop I tried on a desktop
> machine with an Nvidia 6200. This ran much better for the examples
> however the more advanced toys such as opt and fluttr died immediately
> with an error saying that OpenGL 1.2 or greater is required. This
> machine is using a fairly new version of the NVidia drivers (v.9631)
> so I'm confident OpenGL is setup and working. I've attached a glxinfo
> dump if its any help.

Hmm, I thought this buglet was fixed - what version of clutter are you
running ?

>
> 3) Any chance of a Clutter forum or somewhere to bulk view the mailing
> list archives? Coming from an open source background its been drummed
> into me to read every forum / mailing list you can find before posting
> a question. Unfortunately there's not much out there for Clutter at
> the moment and I always hate asking questions that make me look
> dumb :)

There is a 'beta' mailing list archive here;
http://lists.o-hand.com/clutter . I guess we could set up a forum if
enough people want it - I myself am not a big fan of those however
(which is likely why its not been done as yet at least).

>
> Anyway, keep up the great work. Clutter is the type of project that
> could do HUGE things if it gets off the ground!

Thanks :) Thats definitely the plan!

  -- Matthew

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