From: Vladimir Pantelic <pan@nt.tu-darmstadt.de>
To: "Y, Kishore" <kishore.y@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@nokia.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"Mande, Nikhil" <nikhil@ti.com>
Subject: Re: [PATCH] OMAP3630:DSS2:Enable Pre-Multiplied Alpha Support
Date: Wed, 20 Jan 2010 07:35:15 +0100 [thread overview]
Message-ID: <4B56A423.80209@nt.tu-darmstadt.de> (raw)
In-Reply-To: <E0D41E29EB0DAC4E9F3FF173962E9E94026B2DC245@dbde02.ent.ti.com>
Y, Kishore wrote:
>> > As per TRM, this bit is valid only for ARGB formats and experts
>> suggested that we can safely assume pre-multiplied data always in real
>> world
>>
>> I asked a few experts here, and they weren't so sure, and neither am I.
>>
>> I don't see any problems making this feature configurable, but there may
>> be problems if it's hardcoded. So, it should be configurable. I think
>> the default should be the same as on 3430, so that they will work
>> similarly.
>>
>> Tomi
> I haven't considered the backward compatibility with 3430 apps.
> I will make this configurable.
And please defaulting to non-pre-multiplied. All 3430 apps will be
non-pre-multiplied as this is what the 3430 supports only.
So apps need to be actively changed to use pre-multiplied.
next prev parent reply other threads:[~2010-01-20 6:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-21 15:06 [PATCH] OMAP3630:DSS2:Enable Pre-Multiplied Alpha Support Y, Kishore
2010-01-15 10:29 ` Tomi Valkeinen
2010-01-18 11:26 ` Y, Kishore
2010-01-18 12:24 ` Tomi Valkeinen
2010-01-19 13:17 ` Y, Kishore
2010-01-20 6:35 ` Vladimir Pantelic [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-10-27 10:16 [PATCH] OMAP3630: DSS2: Enable " Samreen
2010-11-02 14:56 ` Tomi Valkeinen
2010-11-03 7:57 ` Taneja, Archit
2010-11-03 9:21 ` Tomi Valkeinen
2010-11-03 11:57 ` Taneja, Archit
2010-11-04 5:25 ` Nilofer, Samreen
2010-11-04 9:25 ` Tomi Valkeinen
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