From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 99418] DRI3 Stuttering while scrolling in Chromium/Chrome with VBLANK off Date: Mon, 23 Jan 2017 09:24:14 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0260537743==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id E770C6E403 for ; Mon, 23 Jan 2017 09:24:13 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0260537743== Content-Type: multipart/alternative; boundary="14851634531.A3846127.13706"; charset="UTF-8" --14851634531.A3846127.13706 Date: Mon, 23 Jan 2017 09:24:13 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D99418 --- Comment #21 from Michel D=C3=A4nzer --- (In reply to lei.pero from comment #18) > I didn't know that about modesetting driver, anyway, even with > LIBGL_DRI3_DISABLE=3D1 same thing happens. Maybe chromium doesn't pass on the environment variable to its GPU helper process, or maybe there was still a chromium process around. > I don't how to disable tripple buffering to test it and if it's possible, Only by changing the code, mesa/src/loader/loader_dri3_helper.c:dri3_update_num_back(). E.g. set num_b= ack =3D 1 in the else case. --=20 You are receiving this mail because: You are the assignee for the bug.= --14851634531.A3846127.13706 Date: Mon, 23 Jan 2017 09:24:13 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 21 on bug 99418<= /a> from Michel D=C3=A4nzer 
(In reply to lei.pero from comment #18)
> I didn't know that about modesetting driver, any=
way, even with
> LIBGL_DRI3_DISABLE=3D1 same thing happens.

Maybe chromium doesn't pass on the environment variable to its GPU helper
process, or maybe there was still a chromium process around.


> I don't how to disable tripple buffering to test=
 it and if it's possible,

Only by changing the code,
mesa/src/loader/loader_dri3_helper.c:dri3_update_num_back(). E.g. set num_b=
ack
=3D 1 in the else case.

You are receiving this mail because:
  • You are the assignee for the bug.
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