[Bug 98635] New: Incomplete frames in OpenGL video playback (DRI2 + Tearfree, SNA Haswell)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98635

            Bug ID: 98635
           Summary: Incomplete frames in OpenGL video playback (DRI2 +
                    Tearfree, SNA Haswell)
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: ccr at tnsp.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Using MPV OpenGL output for video on DRI2 with TearFree enabled, frames are
sometimes displayed with desktop visible, outside of the fullscreen-scaled
video image area (e.g. when for example 4:3 video is scaled to 16:9, padding
left on left and right of the image).

This does not seem to occur with TearFree disabled, nor with DRI3 (TearFree
enabled or not).

Please see: https://bugs.freedesktop.org/show_bug.cgi?id=95414#c19 for more
information.

-- Linux distribution: Debian GNU/Linux testing (stretch)
-- System architecture: amd64
   Foreigh architectures: i386
-- Machine or mobo model: Asus H97M-PLUS, Intel(R) Core(TM) i7-4770 CPU @
3.40GHz
-- kernel version: 4.7.10-grsec
-- Chipset: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated
Graphics Controller (rev 06)
-- Display connector(s): HDMI (2560x1440)
-- Window manager: WindowMaker 0.95.7-6+b1
-- xf86-video-intel: GIT 
-- xserver: X.Org X Server 2:1.18.4-2
-- mesa: 12.0.3-3
-- libpixman: 0.34.0-1
-- libdrm version: 2.4.71-1

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