[Bug 26942] New: Dinoshade example from opengl.org renders incorrectly on savage MX/IX

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=26942

           Summary: Dinoshade example from opengl.org renders incorrectly on
                    savage MX/IX
           Product: Mesa
           Version: 7.6
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/Savage
        AssignedTo: dri...@li...
        ReportedBy: b7....@gm...


Created an attachment (id=33842)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33842)
Screenshot

Here is the source:
http://www.opengl.org/resources/code/samples/glut_examples/examples/dinoshade.c
I tried it on HP OmniBook XE3.
It works OK if hardware acceleration is disabled (using software renderer), but
when it is enabled, the result is as in the screenshot. At the same time,
reflectdino example is OK. (all examples can be found here:
http://www.opengl.org/resources/code/samples/glut_examples/examples/examples.html)

$ lspci|grep VGA
01:01.0 VGA compatible controller: S3 Inc. 86C270-294 Savage/IX-MV (rev 13)

OS: Ubuntu 9.10

$ glxinfo|grep OpenGL
OpenGL vendor string: S3 Graphics Inc.
OpenGL renderer string: Mesa DRI Savage/MX/IX 20061110 x86/MMX/SSE
OpenGL version string: 1.2 Mesa 7.6
OpenGL extensions:


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