[Bug 108376] Assert in piglit.spec.arb_fragment_program

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108376

            Bug ID: 108376
           Summary: Assert in piglit.spec.arb_fragment_program
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: kenneth at whitecape.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Bisected to:

1c0f92d8a8c480a5803c3ce45b2a6d46bfcd280f
Author:     Kenneth Graunke <kenneth at whitecape.org>
nir: Create sampler variables in prog_to_nir.

This is needed for nir_gather_info to actually count the textures,
since it operates solely on variables.


Following tests assert:
 piglit.spec.arb_fragment_program.fp-fragment-position
 piglit.spec.arb_fragment_program.trinity-fp1

EG:
stdout:
/tmp/build_root/m64/lib/piglit/bin/fp-fragment-position -auto -fbo

stderr:
fp-fragment-position: ../src/mesa/drivers/dri/i965/brw_nir_uniforms.cpp:252:
void brw_nir_setup_arb_uniforms(void*, nir_shader*, gl_program*,
brw_stage_prog_data*): Assertion `shader->uniforms.length() <= 2' failed.

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