[Mesa-dev] [PATCH 00/12] anv: Add support for the variablePointers feature

[Jason Ekstrand]

On Mon, Nov 6, 2017 at 12:18 PM, Chad Versace <chadversary at chromium.org>
wrote:

> Jason, I tested this series against the khronos-internal vk-gl-cts and
> found an assertion failure in src/compiler/spirv. Any thoughts?
>
> I haven't debugged yet because I don't grok these parts of Mesa.
>
> vk-gl-cts
>
>     commit a24448cdd72ffdbd8f7f571886625b8a53100979
>
> mesa
>
>     refs/tags/chadv/test/anv-variable-pointers-2017-11-06-r1
>     cgit: http://git.kiwitree.net/cgit/~chadv/mesa/tag/?h=chadv/test/
> anv-variable-pointers-2017-11-06-r1
>     base: master 4bcb48b "radv: add initial copy descriptor support. (v2)"
>
> error
>
>     Test case 'dEQP-VK.spirv_assembly.instruction.compute.variable_
> pointers.complex_types_compute.opptraccesschain_
> matrices_two_buffers_second_input'..
>     INTEL-MESA: debug: anv_GetPhysicalDeviceFeatures2KHR: ignored
> VkStructureType VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_16BIT_STORAGE_FEATURES_
> KHR(1000083000)
>     deqp-vk: ../../../../../src/mesa/src/compiler/spirv/vtn_variables.c:174:
> vtn_ssa_offset_pointer_dereference: Assertion `offset' failed.
>

That looks very much like a test bug that I fixed.  The CLs have been
merged into vulkan-gl-cts-1.0.2 but I don't know if that's been merged
forward yet.  Try that CTS version and see if it still fails.  It's CLs
#1864 and #1863 in gerrit if you're interested.

--Jason
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