[Bug 109235] Using named pixmap of window right after resizing results in garbage content - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 109235] Using named pixmap of window right after resizing results in garbage content
Date: Sun, 06 Jan 2019 21:00:31 +0000	[thread overview]
Message-ID: <bug-109235-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=109235

            Bug ID: 109235
           Summary: Using named pixmap of window right after resizing
                    results in garbage content
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: yshuiv7@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

compton is a glx based compositor, when a window is resized, compton release
the previously bound pixmap, and create a new named pixmap and bind that to a
texture, and then render the screen with that.

With the amdgpu/radeonsi driver, that sometimes result in garbage content.

You can find more details, screenshot, and recordings here [1]

[1]: https://github.com/yshui/compton/issues/85

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