[Bug 51340] New: d3d10core:d3d10core test_texture_compressed_3d() fails on Nvidia (cw-gtx560)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51340

            Bug ID: 51340
           Summary: d3d10core:d3d10core test_texture_compressed_3d() fails
                    on Nvidia (cw-gtx560)
           Product: Wine
           Version: 6.10
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com

test_texture_compressed_3d() fails systematically on cw-gtx560, the TestBot's
only Nvidia test configuration:

https://test.winehq.org/data/patterns.html#d3d10core:d3d10core

d3d10core.c:19081: Test failed: Got unexpected colour 0xff00006a at (251, 9,
0), expected 0xff00006d.

This failure happens on all Windows versions and with the 353.82 (win81),
388.13 (win 10 1709 & 1809) and 391.35 (win10 1909 & 2009) driver versions.
Also this failure does not happen on any of the other GPUs (cw-rx460 and QEmu
VMs).

The failing test was introduced in this commit:

commit 2aeab85c27a202d0ef7b1e01d7ccab32d9d53c93
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Jun 22 14:36:00 2021 +0200

    wined3d: Add decompression information for BC4_UNORM.

    Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
    Signed-off-by: Alexandre Julliard <julliard at winehq.org>

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