[Bug 103966] Mesa 17.2.5 implementation error: bad format MESA_FORMAT_Z_FLOAT32 in _mesa_unpack_uint_24_8_depth_stencil_row

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103966

            Bug ID: 103966
           Summary: Mesa 17.2.5 implementation error: bad format
                    MESA_FORMAT_Z_FLOAT32 in
                    _mesa_unpack_uint_24_8_depth_stencil_row
           Product: Mesa
           Version: 17.2
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: sebastian.schulz95 at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

When trying to create an OpenGL framebuffer with 32bit float depth buffer
(using globjects/glbinding as OpenGL lib), I get the following console output:

Mesa 17.2.5 implementation error: bad format MESA_FORMAT_Z_FLOAT32 in
_mesa_unpack_uint_24_8_depth_stencil_row
Please report at https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa

Also, the resulting framebuffer doesn't work.

I also tested the code on Windows 10 (with an Nvidia GPU), where the code works
without problems.

I made a minimal (not) working example that you can find here:
https://github.com/blblblu/mesa-error-test

Am I trying something wrong in OpenGL, or is this a problem with Mesa?

CPU: Intel i5-6200U
GPU: Intel HD Graphics 520 (Skylake GT2)

Thanks

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