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

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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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