[Bug 100391] SachaWillems deferredmultisampling asserts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100391

            Bug ID: 100391
           Summary: SachaWillems deferredmultisampling asserts
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/intel
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: notasas at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: jason at jlekstrand.net

Created attachment 130455
  --> https://bugs.freedesktop.org/attachment.cgi?id=130455&action=edit
INTEL_DEBUG=wm output

deferredmultisampling: compiler/brw_fs_generator.cpp:2107: int
fs_generator::generate_code(const cfg_t*, int): Assertion `validated' failed.

There are "ERROR: src0 is null" messages when run with INTEL_DEBUG=wm. If I
comment the assert out, the demo runs seemingly correctly (matches radv at
least), and I see no problems reported by validation layers.

HW: SKL GT2
Mesa git version: 641f629536c2da

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