[Bug 80584] New: XCOM: Eenemy Unknown incorrect hair rendering

[Bug 80584] New: XCOM: Eenemy Unknown incorrect hair rendering

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

          Priority: medium
            Bug ID: 80584
          Assignee: dri-devel@lists.freedesktop.org
           Summary: XCOM: Eenemy Unknown incorrect hair rendering
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: theamazingjanet@googlemail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.1
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 101846
  --> https://bugs.freedesktop.org/attachment.cgi?id=101846&action=edit
XCOM: Enemy Unknown Screenshot 1

Hair on certain characters in XCOM: Enemy Unknown does not look correct. See
the attached screenshots. This occurs on both Mesa 10.1.3 + LLVM 3.4 and Mesa
git + LLVM 3.4.2 via Oibaf PPA, Ubuntu 14.04.

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #1 from theamazingjanet@googlemail.com ---
Created attachment 101847
  --> https://bugs.freedesktop.org/attachment.cgi?id=101847&action=edit
XCOM: Enemy Unknown Screenshot 2

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

theamazingjanet@googlemail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #101846|0                           |1
        is obsolete|                            |

--- Comment #2 from theamazingjanet@googlemail.com ---
Created attachment 101848
  --> https://bugs.freedesktop.org/attachment.cgi?id=101848&action=edit
XCOM: Enemy Unknown Screenshot 1

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

theamazingjanet@googlemail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #101847|0                           |1
        is obsolete|                            |

--- Comment #3 from theamazingjanet@googlemail.com ---
Created attachment 101849
  --> https://bugs.freedesktop.org/attachment.cgi?id=101849&action=edit
XCOM: Enemy Unknown Screenshot 2

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #4 from Kai <kai@dev.carbon-project.org> ---
Created attachment 103534
  --> https://bugs.freedesktop.org/attachment.cgi?id=103534&action=edit
Another variant of incorrectly rendered hair

I'm seeing the same with radeonsi on a Hawaii. As you can see from the attached
image, it looks a bit different from what the initial reporter saw.

The stack I'm using is:
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Linux: Git:~agdf5/linux:drm-next-3.17-wip (calls itself 3.16-rc4?)
libdrm: Git:master/libdrm-2.4.55 + patch from
http://lists.freedesktop.org/archives/dri-devel/2014-July/064743.html
LLVM: 3.5 RC1
libclc: Git:master/0ec7437d9c
Mesa: Git:master/74e100affc + some patches from Marek to fix Hawaii ("radeonsi:
fix CMASK and HTILE calculations for Hawaii"; "gallium/util: add a helper for
calculating primitive count from vertex count"; "radeonsi: fix a hang with
instancing on Hawaii"; "radeonsi: fix a hang with streamout on Hawaii";
"winsys/radeon: fix vram_size overflow with Hawaii"; "radeonsi: fix occlusion
queries on Hawaii"; "r600g, radeonsi: switch all occurences of array_size to
util_max_layer") and can be found on mesa-dev.
DDX: 1:7.4.0-2 + Patch from
http://people.freedesktop.org/~agd5f/0001-radeon-enable-hawaii-accel-conditionally.patch
X: 2:1.16.0-1 (1.16.0)

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

Kai <kai@dev.carbon-project.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #103534|text/plain                  |image/png
          mime type|                            |

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #5 from dex+fdobugzilla@dragonslave.de ---
I can confirm this for PITCAIRN as well.

Card: VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Pitcairn
      Subsystem: Micro-Star International Co., Ltd. Device 3036

Kernel: 3.18.0-rc7
libdrm: 2.4.58
mesa: git-gc97cbd7
llvm: 3.5

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[Bug 80584] XCOM: Eenemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

Felix Schwarz <felix.schwarz@oss.schwarz.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |felix.schwarz@oss.schwarz.e
                   |                            |u
             Blocks|                            |77449

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

Felix Schwarz <felix.schwarz@oss.schwarz.eu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|XCOM: Eenemy Unknown        |XCOM: Enemy Unknown
                   |incorrect hair rendering    |incorrect hair rendering

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #6 from dex+fdobugzilla@dragonslave.de ---
I think this may be due to missing GL_ARB_tessellation_shader extension.

Mesa lists this as Status "started" but no driver implementation yet.

I'll try to evaluate the status of this and see if I can verify that its indeed
this missing extension.

(That would also mean that XCOM is in fact OpenGL)

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #7 from dex+fdobugzilla@dragonslave.de ---
OpenGL 4.0... Why can't I edit even my own comments!?

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #8 from dex+fdobugzilla@dragonslave.de ---
I just tried the game with an Intel GPU and Mesa: Hair rendering is correct. So
this is in fact something broken in radeonsi.

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

--- Comment #9 from dex+fdobugzilla@dragonslave.de ---
With llvm SVN Rev 225358 and mesa from git ge28f9d0 as of today hair is
rendered correctly on R270X :)

Can anyone of the other reporters confirm this?

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[Bug 80584] XCOM: Enemy Unknown incorrect hair rendering

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https://bugs.freedesktop.org/show_bug.cgi?id=80584

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #10 from Michel Dänzer <michel@daenzer.net> ---
The hair in L4D2 looks fine as well now, so let's assume this is fixed.

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