[Mesa-dev] [Bug 110440] [REGRESSION] [BISECTED] [OpenGL CTS] dEQP-GLES2.functional.uniform_api.random.3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110440

            Bug ID: 110440
           Summary: [REGRESSION] [BISECTED] [OpenGL CTS]
                    dEQP-GLES2.functional.uniform_api.random.3
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: glsl-compiler
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: agomez at igalia.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: kenneth at whitecape.org

After:

--

commit 9e0c744f07a21fc7bb018a77cf83b057436d0d1b
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Apr 11 07:04:58 2019 -0700

    glsl: Set location on structure-split sampler uniform variables

    gl_nir_lower_samplers_as_deref splits structure uniform variables,
    creating new variables for individual fields.  As part of that, it
    calculates a new location.  It then never set this on the new variables.

    Thanks to Michael Fiano for finding this bug.  Fixes crashes on i965
    with Piglit's new tests/spec/glsl-1.10/execution/samplers/uniform-struct
    test, which was reduced from the failing case in Michael's app.

    Fixes: f003859f97c nir: Make gl_nir_lower_samplers use
gl_nir_lower_samplers_as_deref
    Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>

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dEQP-GLES2.functional.uniform_api.random.3 fails:

--

./glcts --deqp-case=dEQP-GLES2.functional.uniform_api.random.3
Writing test log into TestResults.qpa
dEQP Core git-4207a2ba566fad7d8233c96a17d0ce9eed119aa3 (0x4207a2ba) starting..
  target implementation = 'Wayland'
ATTENTION: default value of option vblank_mode overridden by environment.

Test case 'dEQP-GLES2.functional.uniform_api.random.3'..
  Fail (Failed)

DONE!

Test run totals:
 Passed:        0/1 (0.0%)
  Failed:        1/1 (100.0%)
  Not supported: 0/1 (0.0%)
  Warnings:      0/1 (0.0%)

--

Found with VK-GL-CTS compiled for Wayland target, but confirmed also with the
X11_EGL target. Also, failing, at least, in KBL, SKL, BDW and HSW.

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