From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 2E710E00846; Tue, 23 Sep 2014 07:00:29 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -0.0 SPF_HELO_PASS SPF: HELO matches SPF record * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from ptmx.org (ptmx.org [178.63.28.110]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id DD86CE00786 for ; Tue, 23 Sep 2014 07:00:23 -0700 (PDT) Received: from [10.1.14.248] (vpn.streamunlimited.com [91.114.0.140]) by ptmx.org (Postfix) with ESMTPSA id D6ECC23706 for ; Tue, 23 Sep 2014 16:00:21 +0200 (CEST) Message-ID: <54217CF4.8090004@pseudoterminal.org> Date: Tue, 23 Sep 2014 16:00:20 +0200 From: Carlos Rafael Giani User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 MIME-Version: 1.0 To: meta-freescale@yoctoproject.org References: <020a01cfd6e7$40280df0$c07829d0$@tekmagic.net> <3A8E1855-6288-49E4-9D89-7B8C19B38E1E@tekmagic.net> In-Reply-To: <3A8E1855-6288-49E4-9D89-7B8C19B38E1E@tekmagic.net> Subject: Re: Any hope of vblank-synchronized rendering (from vivante) on i.MX6 soon? X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Sep 2014 14:00:29 -0000 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Perhaps there is still time left to notify Freescale how critical this feature is for several people. Imagine tearing on huge displays for example ... this can easily become a showstopper. Freescale should consider this one of the most critical features to introduce in 3.10.31 GA. On 09/23/2014 03:04 PM, Gerard Bucas wrote: > Thanks Daiane - will do. > > When is the next such meeting and who is actually the interface with Vivante that could put some pressure on them!? > > DRI2 is used all over in the X11 code according to this so I think this is a critical area to solve the serious shortcomings and performance in the current X11 port on the I.MX6. See: http://en.m.wikipedia.org/wiki/DRI2 for more details. > > Best Regards > > Gerard Bucas > TekMagic > > > >> On 23 Sep 2014, at 07:45, Daiane Angolini wrote: >> >>> On Tue, Sep 23, 2014 at 1:31 AM, Gerard Bucas wrote: >>> On X.11 and Chromium there is still "tearing" of videos played back in >>> Chromium (on X11). From what I have read and been told by others this is >>> caused by the lack of DRI2 support in the Vivante graphics libraries (even >>> in the latest V5.x libraries included in the latest >>> fsl-yocto-3.10.31-1.1.0_beta BSP). >>> >>> Is there any hope of Vivante implementing DRI2 soon or some other way to >>> implement vblank-synchronized rendering ("vsync") on the i.MX6 so that >>> Chrome/Chromium can playback videos without this serious "tearing" problem? >>> >>> How do we convince Vivante to give this a high priority!? >> This is a interesting topic, and i think there is room for a healthy >> discussion in our next community meeting. Please, keep a list of >> issues and suggest it when the next agenda is published. >> >> >> for now, let´s wait if someone else has some word on this thread. >> >> Daiane