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