From owner-freebsd-chromium@FreeBSD.ORG Tue Oct 22 16:21:16 2013 Return-Path: Delivered-To: chromium@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 2B7BD9A2 for ; Tue, 22 Oct 2013 16:21:16 +0000 (UTC) (envelope-from evanm@google.com) Received: from mail-ve0-x22e.google.com (mail-ve0-x22e.google.com [IPv6:2607:f8b0:400c:c01::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id D3CAD25F0 for ; Tue, 22 Oct 2013 16:21:15 +0000 (UTC) Received: by mail-ve0-f174.google.com with SMTP id c14so5280654vea.19 for ; Tue, 22 Oct 2013 09:21:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=gV5HocKTfoEcavRj0JEvWk9cGbGvlW3a5AKApG9wtdg=; b=gT4CYBjlApGDYCBPODmgWvY232AE/X/HnkviEPkCM0/CRz/XepcxxupMYXjixPUtK6 jMbWN3+EPL/LyjYLnptSjhOHdEcKIW2kJl+9z3jPfdqMdQbFXjW/BWOTdU6C5ciSEt/J Vu2f8+reyTnti4TZcJ7oLksoUKMa/XXxH3pE6WDOfa9c7d/4RQQ31fH2SJw3savShrYQ MeELTYAfQGPaLIQnqpCJd9jxSkMiXPABkIqV2CwmWLNluOb4t4/gJAhAdF9KVrDVIfzh Zvh1kyvxgZipB2W3aWHhIO50DIRvb04B3+0c8FSP6xlUxM8pnTfhCOrZ1QQEK0h9IJxP 63uA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=gV5HocKTfoEcavRj0JEvWk9cGbGvlW3a5AKApG9wtdg=; b=d9pksKvacXTcuOc1cSPTz/91gU7eyg9HhnPMBrnpAumWS4bzjqM9sSpVLUSWJnwxOc SOy8v4+C6Hfmvbf0YoOg1jlJUa+DLZJN3BHM7v7iqgSgy3vfzYFugc/JdqHFz7oYtCqL nw/JTkyX21qMIa4ZiYMKEhfMRaDoDakTLE1f8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=gV5HocKTfoEcavRj0JEvWk9cGbGvlW3a5AKApG9wtdg=; b=VgcwaDoELMni3i3slg2Ve/aDJqThk8XTSuTCcl3ddPvsaC/lgJHCYa9KSokC3lV8no 3qbb/dKAF4LUJQI8a2Gj0mIdig0lVJ66u/fXoL3JxlsY6jHkqJDCy/qZ6ij62YJx3uGF EInM7Vcr3cBe7ByeLJCVwM6znsVcH2skAqHPxdegiuW11z378vJL0vsMpF8jJ/duekqF WRZ0Cc1KXAfAzLEJ+T/uWoQsDyUi3UDEnmvT3D5bP+yXmV1DZBy+JJOzHXDZxB0cxT3S eGMdaWOl1URo9ZH+bRIYCtyXQCciKl3PPWfX1RZfV/oNJMnYJLPtoSMLE/uUJya3sBXv 0/6g== X-Gm-Message-State: ALoCoQnFV3AhbBcEWM15fS9xuzHjF/hHPutReNTchcNFmQQ36+fTs/ciVoT/ajCl5WCG2swjeW1T67t3kRuU+QK9zwsfYfRiXqT+us3ON7TQTu7nmILH0s2/SyQyHzc9Aec4bSs1AtUR9kgvgaAmAKJB8JciY4NPfD3ulzu5UuV0dIUPFipv0m8RS+LFsWXOrteWrRBpIKL9 MIME-Version: 1.0 X-Received: by 10.58.254.200 with SMTP id ak8mr15191339ved.12.1382458874868; Tue, 22 Oct 2013 09:21:14 -0700 (PDT) Sender: evanm@google.com Received: by 10.52.230.106 with HTTP; Tue, 22 Oct 2013 09:21:14 -0700 (PDT) In-Reply-To: <5265ED2F.7030009@rawbw.com> References: <5265ED2F.7030009@rawbw.com> Date: Tue, 22 Oct 2013 09:21:14 -0700 X-Google-Sender-Auth: FXiTjue4Y4UzRb88DJ6czSlf3to Message-ID: Subject: Re: Why Google street view scrolls not very smoothly in Chrome? From: Evan Martin To: Yuri Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: chromium@freebsd.org X-BeenThere: freebsd-chromium@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: FreeBSD-specific Chromium issues List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Oct 2013 16:21:16 -0000 One thing to try is to go to Chrome's settings, search for "hardware", and uncheck "use hardware acceleration when available". That uses a different code path (X CopyRects instead of OpenGL calls) that might be faster. As for *why* it's different, blame any of bugs in the port, bugs in the drivers, X's design, or anything else of your choosing. :) On Mon, Oct 21, 2013 at 8:12 PM, Yuri wrote: > I open any place in Google maps, then select street view, then move the > image with mouse. > > Chrome does this worse than firefox. Image moves in a jerky way, stopping > many times on the way. Like it periodically sticks. > In firefox the motion is much smoother, but still not perfect. > The problem is especially visible when compared to Windows. (Radeon 7470) > Same street view image on Windows on much less powerful machine moves in > what seems like a completely smooth fashion in FF. > > I would have been inclined to blame NVidia driver (version 319.32, GT > 610). But then why there is such a difference between chrome and FF? > I didn't get a chance to see the same on Windows in Chrome, but I believe > it should look much better than in FreeBSD. > > Is it known why Chrome exhibits worse behavior compared to FF? And why > street view sucks in FreeBSD in general? > > Yuri > ______________________________**_________________ > freebsd-chromium@freebsd.org mailing list > http://lists.freebsd.org/**mailman/listinfo/freebsd-**chromium > To unsubscribe, send any mail to "freebsd-chromium-unsubscribe@** > freebsd.org " >