[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=94917

            Bug ID: 94917
           Summary: radeonsi supports GL_ARB_shader_storage_buffer_object
                    with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: jlegg@feralinteractive.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 122892
  --> https://bugs.freedesktop.org/attachment.cgi?id=122892&action=edit
Program which test for the issue

When mesa git fa46848e51a619aba5a748316fe8fe4c2e17d243 is built against LLVM
3.8.0, with a Radeon R9 270, support for the
GL_ARB_shader_storage_buffer_object extension is claimed. However,
GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS is 0. The minimum required by the
ARB_shader_storage_buffer_object specification is 8.

https://cgit.freedesktop.org/mesa/mesa/commit/?id=bfd11c599600960f966d5d217b8dc20442108ef1
makes it look as if support was only intended for LLVM 3.9 or later.

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[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=94917

--- Comment #1 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Hi James, thanks for the report. Probably some confusion in how the
statetracker maps Gallium cap bits to extension support, I'm going to take a
look.

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[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=94917

--- Comment #2 from Nicolai Hähnle <nhaehnle@gmail.com> ---
https://patchwork.freedesktop.org/patch/80793/ should fix this.

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[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=94917

Nicolai Hähnle <nhaehnle@gmail.com> changed:

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

--- Comment #3 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Should be fixed in Mesa master, commit 9e9a2bb44aa7b317919793f2320bd995ff373bbb

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[Bug 94917] radeonsi supports GL_ARB_shader_storage_buffer_object with 0 GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS

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https://bugs.freedesktop.org/show_bug.cgi?id=94917

James Legg <jlegg@feralinteractive.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED

--- Comment #4 from James Legg <jlegg@feralinteractive.com> ---
Confirmed. Thanks for the quick fix.

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