[Mesa-dev] [Bug 92236] [ColorTiling2D] R600 BARTS radeon: pipe_context->clear with color tiling enabled doesn't immediately affect color buffer

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 2 01:16:29 PDT 2015


Michel Dänzer <michel at daenzer.net> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
          Component|Drivers/Gallium/r600        |Mesa core
         Resolution|---                         |NOTOURBUG
           Assignee|dri-devel at lists.freedesktop |mesa-dev at lists.freedesktop.
                   |.org                        |org
         QA Contact|dri-devel at lists.freedesktop |mesa-dev at lists.freedesktop.
                   |.org                        |org

--- Comment #1 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Patrick Rudolph from comment #0)
> 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.

That's correct. nine needs to resolve the clear using the pipe->flush_resource

> The problem doesn't exist with R600_DEBUG=notiling

Fast clear only works with tiled surfaces.

> and it doesn't exists when using pipe_context->clear_render_target instead.

IIRC that's currently a software fallback.

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