[Mesa-dev] [Bug 42516] New: Assertion `src.File != TGSI_FILE_NULL' failed with llvmpipe renderer

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Nov 2 07:25:18 PDT 2011


             Bug #: 42516
           Summary: Assertion `src.File != TGSI_FILE_NULL' failed with
                    llvmpipe renderer
    Classification: Unclassified
           Product: Mesa
           Version: 7.11
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: choller at mozilla.com

Created attachment 53058
  --> https://bugs.freedesktop.org/attachment.cgi?id=53058
Test case for Firefox using llvmpipe as WebGL renderer

I'm using the llvmpipe software renderer to test WebGL in Firefox. The attached
html testcase crashes my Firefox with the following assertion:

src/gallium/auxiliary/tgsi/tgsi_ureg.c:800:ureg_emit_src: Assertion `src.File
!= TGSI_FILE_NULL' failed.
Trace/breakpoint trap

Sometimes I had to load the test several times for the assertion to trigger.
The large JavaScript parts in the beginning of the test are leftovers from the
test harness of the WebGL test suite (this is a mutation test derived from a
WebGL conformance test).

Version information from glxinfo:

OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe
OpenGL version string: 2.1 Mesa 7.11
OpenGL shading language version string: 1.20

If you need the full output, let me know.

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