[Mesa-dev] [Bug 100690] [Regression, bisected] TotalWar: Warhammer corrupted graphics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100690

            Bug ID: 100690
           Summary: [Regression, bisected] TotalWar: Warhammer corrupted
                    graphics
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: gr.muench at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

Created attachment 130856
  --> https://bugs.freedesktop.org/attachment.cgi?id=130856&action=edit
notice the red squares, which shouldnt be there

Worldmap in TotalWar shows some fancy colors.
Radeon HD 7970, LLVM 5.0.0svn_r300398

c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc is the first bad commit
commit c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Feb 23 15:04:52 2017 -0800

    mesa: Require mipmap completeness for glCopyImageSubData(), sometimes.

    This patch makes glCopyImageSubData require mipmap completeness when the
    texture object's built-in sampler object has a mipmapping MinFilter.

    Fixes (on i965):
    dEQP-GLES31.functional.debug.negative_coverage.*.buffer.copy_image_sub_data

    Reviewed-by: Roland Scheidegger <sroland at vmware.com>

git bisect log
git bisect start
# bad: [667da4eaed37de143681711344aba19373bee1d0] winsys/amdgpu: sparse buffer
creation / destruction / commitment
git bisect bad 667da4eaed37de143681711344aba19373bee1d0
# good: [7ee91af30074a4381e4353122319e3b4b3fe7cbd] r600g: check NULL return
from r600_aligned_buffer_create
git bisect good 7ee91af30074a4381e4353122319e3b4b3fe7cbd
# good: [e113dfabad5c60ce3082c65abe3b2e5689bdf31b] intel: Add INTEL_CFLAGS to
aubinator CFLAGS.
git bisect good e113dfabad5c60ce3082c65abe3b2e5689bdf31b
# good: [03a67fbbf7847cbdcc26b3bd86ee43e09a55cce9] radv: fix order of the
guardband register emission.
git bisect good 03a67fbbf7847cbdcc26b3bd86ee43e09a55cce9
# good: [3dfe61ed6ec6773c2373ec7a139b7dfe794f60c8] gallium: decrease the size
of pipe_box - 24 -> 16 bytes
git bisect good 3dfe61ed6ec6773c2373ec7a139b7dfe794f60c8
# bad: [c6f69eea6ac549fc2ffa46944de4dd82c9b53329] anv/pipeline: Properly handle
unset gl_Layer and gl_ViewportIndex
git bisect bad c6f69eea6ac549fc2ffa46944de4dd82c9b53329
# good: [18b12bf53351e1a902dc1f2e527a94ec8d8f3eff] targets: export radeon
winsys_create functions to silence LLVM warning
git bisect good 18b12bf53351e1a902dc1f2e527a94ec8d8f3eff
# good: [567d77885e8579486354843e7280428dc96d4bd9] intel: genxml: add
RING_BUFFER_CTL registers
git bisect good 567d77885e8579486354843e7280428dc96d4bd9
# good: [1fde054b8f8435706d567d0584c44f9fc686a97c] intel/isl: Refactor and
clerify gen8 alignment calculations
git bisect good 1fde054b8f8435706d567d0584c44f9fc686a97c
# bad: [c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc] mesa: Require mipmap
completeness for glCopyImageSubData(), sometimes.
git bisect bad c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc
# good: [c161a104629ad49dc6a4f7d1fe82e87fc08121fe] libgl-xlib: Link with
libunwind.
git bisect good c161a104629ad49dc6a4f7d1fe82e87fc08121fe
# first bad commit: [c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc] mesa: Require
mipmap completeness for glCopyImageSubData(), sometimes.

Verified bad commit with:
git revert c5bf7cb52942cb7df9f5d73746ffbf3c102d12cc

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