[Bug 30143] New: [KMS] mesa demo lodbias broken

[Bug 30143] New: [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

           Summary: [KMS] mesa demo lodbias broken
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r200
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: randrik@mail.ru


Running software:

kernel 2.6.36-rc3

mesa - commit d8a36620089e72d431ae853ec168f193f3376782
Author: Ian Romanick <ian.d.romanick@intel.com>
Date:   Fri Sep 10 13:10:26 2010 -0700

    mesa: Remove unused Emit flags from gl_shader_compiler_options

libdrm - commit b04515c5d6c95f573457a94267b855cceb639105
Author: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date:   Fri Aug 6 13:55:11 2010 +1000

    libdrm: Fix PCI domain domain support

xf86-video-ati - commit bdd41fecdb19c83c6c7b793016b61d38065dcd13
Author: Alex Deucher <alexdeucher@gmail.com>
Date:   Fri Aug 20 01:17:13 2010 -0400

    evergreen: set encoder type to DVI for HDMI

Xserver: 1.9.0

self-build with  gcc (GCC) 4.4.4


Hw:

01:00.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200 SE]
(rev 01) (prog-if 00 [VGA controller])
        Subsystem: Hightech Information System Ltd. Excalibur 9200SE VIVO 128M
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 64 (2000ns min), Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d0000000 (32-bit, prefetchable) [size=128M]
        Region 1: I/O ports at c800 [size=256]
        Region 2: Memory at dfef0000 (32-bit, non-prefetchable) [size=64K]
        Expansion ROM at dfec0000 [disabled] [size=128K]
        Capabilities: [58] AGP version 2.0
                Status: RQ=80 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans-
64bit- FW+ AGP3- Rate=x1,x2,x4
                Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW-
Rate=x4


I'll add logs and screenshot. For me it looks like only very negative bias
resulted in image displayed, everything else just looks like  heavily corrupted
mipmaps of texture. Probably bug in _mesa_meta_GenerateMipmap(), may be due to
driver setting something wrong

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #1 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-11 22:32:46 PDT ---
Created an attachment (id=38636)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38636)
Screenshot of corruption

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #2 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-11 22:34:06 PDT ---
Created an attachment (id=38637)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38637)
X log

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #3 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-11 22:37:34 PDT ---
Created an attachment (id=38638)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38638)
Piglit data (bz2 compressed)

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #4 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-11 22:41:48 PDT ---
>From quick look at piglit's summary:

bugs      13/15

--------
fdo20701      fail

Returncode: 1

Errors:
Mesa: Mesa 7.9-devel DEBUG build Sep 11 2010 06:16:40


Output:
init:104: framebuffer status = 0x8cdd
------

then

fdo25614-genmipmap      fail

-------
Returncode: 1

Errors:
Mesa: Mesa 7.9-devel DEBUG build Sep 11 2010 06:16:40


Output:
Probe at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.501961 0.501961 0.501961 0.501961
Probe at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000
Probe at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000
Probe at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000
Probe at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.000000

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #5 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-13 11:42:02 PDT ---
Created an attachment (id=38677)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38677)
RADEON_DEBUG=tex ./lodbias

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #6 from Andrew Randrianasulu <randrik@mail.ru> 2010-09-24 06:09:05 PDT ---
Still broken, as of mesa version up to:


commit 4e27e935ca670d0cb1748e40a46a2357d4331a6f
Author: Dave Airlie <airlied@redhat.com>
Date:   Fri Sep 24 12:36:08 2010 +1000
    r600g: drop index_offset parameter to index buffer translate.
    r600 doesn't need this as we always have working index bias

using kernel 2.6.36-rc5.

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

--- Comment #7 from smoki <smoki00790@gmail.com> ---

 This works OK today :). Just checked with my radeon 9250 and git mesa 10.2.

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[Bug 30143] [KMS] mesa demo lodbias broken

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https://bugs.freedesktop.org/show_bug.cgi?id=30143

Alex Deucher <agd5f@yahoo.com> changed:

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

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