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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 92236] [ColorTiling2D] R600 BARTS radeon: pipe_context->clear with color tiling enabled doesn't immediately affect color buffer
Date: Fri, 02 Oct 2015 08:04:01 +0000	[thread overview]
Message-ID: <bug-92236-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=92236

            Bug ID: 92236
           Summary: [ColorTiling2D] R600 BARTS radeon: pipe_context->clear
                    with color tiling enabled doesn't immediately affect
                    color buffer
           Product: Mesa
           Version: git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: siro@das-labor.org
        QA Contact: dri-devel@lists.freedesktop.org

There's an open Gallium nine bug: https://github.com/iXit/Mesa-3D/issues/138

It looks like pipe_context->clear called with PIPE_CLEAR_COLOR isn't applied
immediately to the buffer.
As nine mimics swap-chains, the buffer is reused after some frames resulting in
"delayed" presentation.

The problem doesn't exist with R600_DEBUG=notiling and it doesn't exists when
using pipe_context->clear_render_target instead.

Tested with mesa git: https://github.com/iXit/Mesa-3D/

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             reply	other threads:[~2015-10-02  8:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-02  8:04 bugzilla-daemon [this message]
2015-10-02  8:16 ` [Bug 92236] [ColorTiling2D] R600 BARTS radeon: pipe_context->clear with color tiling enabled doesn't immediately affect color buffer bugzilla-daemon

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