[Mesa-dev] [Bug 74010] New: mesa-10.0.2: z-buffer issue with opengl 3.3 context on intel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74010

          Priority: medium
            Bug ID: 74010
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: mesa-10.0.2: z-buffer issue with opengl 3.3 context on
                    intel
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: evgen.ibqn at gmail.com
          Hardware: Other
            Status: NEW
           Version: 10.0
         Component: Mesa core
           Product: Mesa

Created attachment 92717
  --> https://bugs.freedesktop.org/attachment.cgi?id=92717&action=edit
test case

with the attached sample code  I observe overlapping triangles while rotating a
cude drawn with triangle within the opengl 3.3 context (tut-4)

Vendor: ........... Intel Open Source Technology Center
Renderer: ......... Mesa DRI Intel(R) Ivybridge Mobile 
Version: .......... 3.3 (Core Profile) Mesa 10.0.2
GLSL version: ..... 3.30


with the old created glxcontext this issue disappear (tut4-old):

Vendor: ........... Intel Open Source Technology Center
Renderer: ......... Mesa DRI Intel(R) Ivybridge Mobile 
Version: .......... 3.0 Mesa 10.0.2
GLSL version: ..... 1.30

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