Hi Mustaf,

On Wed, Mar 10, 2010 at 12:59 PM, Mustafizur Rahaman
<[email protected]> wrote:
> The other GLES library which is returning you [00,00,18] on tapping Red
> actor, are you able to detect events properly i.e. if I am tapping on a red
> actor is _clutter_do_pick() returning you the correct actor id?
>

Yes that worked for me.

> Binary representation of 0x18 is 1,1000. When I convert ff to RGB565 format,
> it becomes 1111,1000 =>f8 & then the least 3 bits gets ignored.But for you,
> it seems the most significant 3 bits got ignored and it became
> 0001,1000=>0x18
>
> Therefore, to me i have a strong feeling that it is related to endianness
> where it is messing up between the most significant 3 bits & least
> significant 3 bits.
>
Thanks I will check that.

regards,
Amit Pundir

> Regs,
> Mustaf
>
> On Wed, Mar 10, 2010 at 12:41 PM, Amit Pundir <[email protected]> wrote:
>>
>> Hi team,
>>
>> I'm facing an issue in which _clutter_do_pick() throws me the
>> following infamous error when an incorrect pick color is read by
>> glReadPixels.
>>
>> ---------------------------------------------------
>> Error:
>> "(./.libs/test-events:1635): Clutter-CRITICAL **:
>> clutter_id_pool_lookup: assertion `id < id_pool->array->len' failed"
>> ---------------------------------------------------
>>
>> I've been going through couple of bug reports being filed on this
>> issue and got a decent overview of how Clutter pick actor colors based
>> on glReadPixels() call.
>>
>> In my case glReadPixels() is returning me the actual actor colors i.e
>> for a Red actor i'm reading [f8,00,00] which is Red in RGB565 format.
>> Whereas the same working Clutter event example, with a different GLES
>> librarry, gives me glReadPixels value as [00,00,18] on touching Red
>> actor.
>>
>> What am I doing/interpreting wrong here?
>> It would be really helpful if someone can guide me on correct
>> behavior/implementation of glReadPixles() as well.
>>
>> Thanks for your concern.
>> regards,
>> Amit Pundir
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