Calling interested Glamo OpenGL developers (was: The forbidden topic: Glamo OpenGL)
yorickmoko at gmail.com
Fri Nov 21 14:50:32 CET 2008
harald welte did good for via:
let's ship him to smedia :)
On Fri, Nov 21, 2008 at 2:02 PM, Nicola Mfb <nicola.mfb at gmail.com> wrote:
> 2008/11/21 The Rasterman Carsten Haitzler <raster at rasterman.com>
>> XSync sends a request to x and waits for a reply - so your client app will
>> and wait until x replies. x will reply once it has completed all existing
>> requests - that means the XCopeArea. while your app is waiting xglamo is
>> waiting for the gfx chip to do the work - and likely its sitting in a loop
>> polling checking when the command is done.
> Thanks Raster, now things are becoming clear :)
> The glamo chip should raise an interrupt when the command is done, a
> specialized kernel module should export this interrupt to the userspace so
> Xglamo may suspend waiting for this interrupt without wasting cpu cycles!
> I suppose that this should be quite easy and cheap for Openmoko developers,
> may it be considered?
> This will really improve the device performance!
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