[Mesa-dev] [Bug 29490] New: [glsl2] Compiler generates reads from shader outputs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29490

           Summary: [glsl2] Compiler generates reads from shader outputs
           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


GL_ARB_vertex_program and GL_ARB_fragment_program do not allow reads from
shader outputs, and many pieces of hardware (e.g., r300 and i915) don't allow
this either.  Because of that, Mesa and many drivers assume that there are no
reads from shader outputs, and some drivers will assert otherwise.

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