[Bug 71195] New: Antialiasing glitches visible under wine

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71195

          Priority: medium
            Bug ID: 71195
          Assignee: idr at freedesktop.org
           Summary: Antialiasing glitches visible under wine
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: aesomerville at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.2
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 88573
  --> https://bugs.freedesktop.org/attachment.cgi?id=88573&action=edit
An ugly myriad of white dots

CPU: Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz

3.11.6-1-ARCH #1 SMP PREEMPT Fri Oct 18 23:22:36 CEST 2013 x86_64 GNU/Linux

local/glu 9.0.0-2
    Mesa OpenGL Utility library
local/intel-dri 9.2.2-1
    Mesa drivers for Intel
local/lib32-glu 9.0.0-2
    Mesa OpenGL utility library (32 bits)
local/lib32-intel-dri 9.2.2-1
    Mesa DRI drivers for Intel (32-bit)
local/lib32-libtxc_dxtn 1.0.1-5
    S3 Texture Compression (S3TC) library for Mesa (32-bit)
local/lib32-mesa 9.2.2-1
    an open-source implementation of the OpenGL specification (32-bit)
local/lib32-mesa-libgl 9.2.2-1
    Mesa 3-D graphics library (32-bit)
local/libtxc_dxtn 1.0.1-5
    S3 Texture Compression (S3TC) library for Mesa
local/mesa 9.2.2-1
    an open-source implementation of the OpenGL specification
local/mesa-demos 8.1.0-1
    Mesa demos and tools
local/mesa-libgl 9.2.2-1
    Mesa 3-D graphics library

3.11.6-1-ARCH

---------------

When turning on antialiasing under wine, a myriad of white dots appear. See the
enclosed attachment for the apperance of these dots.  

Steps to reproduce: 

- open winetricks and install 3dMark2001SE
- launch 3dMark2001SE
- Select 1680x1050 resolution and set AA to 8
- Launch benchmark and observe small dots on initial benchmark screen and then
during actual graphics of benchmark

Alternatively: 

- launch game such as GTA San Andreas
- use in game menu to turn on AA and set resolution 1680x1050

I have discussed this bug with one or two participants in the #intel-gfx
channel on Freenode. I have created an API trace file, which is available for
download here:

https://docs.google.com/file/d/0B8rj1_DmnmmrZmtDTnlzTFBnbGc/edit?usp=sharing

This was independently tested and the white dots were visible using intel
drivers but not under nvidia drivers.

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