[Bug 103972] GL_ARB_gpu_shader_int64. Compute shader. Shared storage.

[Bug 103972] GL_ARB_gpu_shader_int64. Compute shader. Shared storage.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103972

            Bug ID: 103972
           Summary: GL_ARB_gpu_shader_int64. Compute shader. Shared
                    storage.
           Product: Mesa
           Version: 17.3
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: kampeador@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 135802
  --> https://bugs.freedesktop.org/attachment.cgi?id=135802&action=edit
main.cpp and shader.

Hello.
I can't assign a variable with the data from shared storage. Before 17.2.5 this
bug affected all storage types, when using loops. It was fixed. Now its with
shared storage only. Some algorithms are impossible to implement efficiently.
I've created a test app to reproduce this bug.
Output should be:
OUTPUT: 2101479989,1917184202,4191109983,1779160146
Currently it is:
0,0,4191109983,1779160146

It was also tested with AMD proprietary driver(GL_AMD_gpu_shader_int64) on
Windows 10 and worked correct.
Note 1: If you remove a "shared" qualifier inside shader, you will see a
correct output.
Note 2: Sometimes an app freezes my OS on Shader Program execution.

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[Bug 103972] GL_ARB_gpu_shader_int64. Compute shader. Shared storage.

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https://bugs.freedesktop.org/show_bug.cgi?id=103972

Rodaemac <kampeador@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|17.3                        |17.2

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[Bug 103972] GL_ARB_gpu_shader_int64. Compute shader. Shared storage.

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https://bugs.freedesktop.org/show_bug.cgi?id=103972

Timothy Arceri <t_arceri@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |t_arceri@yahoo.com.au

--- Comment #1 from Timothy Arceri <t_arceri@yahoo.com.au> ---
Created attachment 138773
  --> https://bugs.freedesktop.org/attachment.cgi?id=138773&action=edit
Piglit test

I've turn this into a piglit test. We hit and assert when using the TGSI
backend and the NIR backend doesn't currently handle storing or loading shared
64bit values.

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[Bug 103972] GL_ARB_gpu_shader_int64. Compute shader. Shared storage.

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https://bugs.freedesktop.org/show_bug.cgi?id=103972

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1289.

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