[Mesa-dev] [Bug 29627] New: [glsl2] Matrix comparison not implemented for non-constants

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29627

           Summary: [glsl2] Matrix comparison not implemented for
                    non-constants
           Product: Mesa
           Version: git
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: idr at freedesktop.org


piglit test cases glsl-mat-from-int-ctor-* attempt to construct matrices and
compare them with expected values.  These tests fail seemingly because the
matrix comparisons are not broken down into vector operations.  This results in
a assertion failure in ir_to_mesa:

shader_runner: program/ir_to_mesa.cpp:727: virtual void
ir_to_mesa_visitor::visit(ir_expression*): Assertion
`!ir->operands[operand]->type->is_matrix()' failed.

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