[Bug 99391] [ILK,G45,G965] piglit regressions

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99391

            Bug ID: 99391
           Summary: [ILK,G45,G965] piglit regressions
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: apinheiro at igalia.com
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: jasuarez at igalia.com, jljusten at gmail.com

The following piglit tests assert:

piglit-test piglit.spec.!opengl 1_0.gl-1_0-edgeflag
piglit-test piglit.spec.!opengl 1_0.gl-1_0-edgeflag-const
piglit-test piglit.spec.!opengl 1_0.gl-1_0-edgeflag-quads
piglit-test piglit.spec.!opengl 1_0.gl-1_0-polygon-line-aa
piglit-test piglit.spec.!opengl 1_1.clipflat
piglit-test piglit.spec.!opengl 1_1.point-line-no-cull
piglit-test piglit.spec.!opengl 1_1.polygon-mode
piglit-test piglit.spec.!opengl 1_1.polygon-mode-offset
piglit-test piglit.spec.!opengl 1_1.polygon-offset
piglit-test piglit.spec.!opengl 2_0.gl-2_0-edgeflag
piglit-test piglit.spec.!opengl 2_0.gl-2_0-edgeflag-immediate


mesa/drivers/dri/i965/brw_vec4.cpp:1713: void
brw::vec4_visitor::lower_attributes_to_hw_regs(const int*, bool): Assertion
`grf != 0' failed.

Bisected to:
57bab6708f2bbc1ab8a3d202e9a467963596d462
Author:     Alejandro Piñeiro <apinheiro at igalia.com>
i965/vec4/nir: vec4 also needs to remap vs attributes

Doubles need extra space, so we would need to do a remapping for vec4
too in order to take that into account. We reuse the already
existing remap_vs_attrs, but passing is_scalar, so they could
remap accordingly.

v2: code-format remap_vs_attrs_params initialization (Matt)

Signed-off-by: Alejandro Piñeiro <apinheiro at igalia.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez at igalia.com>
Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>


These failures were reported by Alejandro's CI project.  Similar regressions
can be avoided in the future by assessing to CI results before sending patches
to the list.

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