Bug 111119 - features.txt shows VK_KHR_device_group* as not started, while they are listed as enabled in radv
Summary: features.txt shows VK_KHR_device_group* as not started, while they are listed...
Status: RESOLVED NOTABUG
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/Vulkan/Common (show other bugs)
Version: git
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: mesa-dev
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Reported: 2019-07-12 18:40 UTC by Shmerl
Modified: 2019-07-12 22:39 UTC (History)
3 users (show)

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i915 platform:
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Description Shmerl 2019-07-12 18:40:50 UTC 
I didn't test it with anv, but for radv vulkaninfo shows VK_KHR_device_group and VK_KHR_device_group_creation as enabled:

vulkaninfo | grep VK_KHR_device_group
        VK_KHR_device_group_creation        : extension revision  1
        VK_KHR_device_group                 : extension revision  1

So features.txt is outdated? It says: https://gitlab.freedesktop.org/mesa/mesa/blob/master/docs/features.txt#L423

  VK_KHR_device_group                                   not started
  VK_KHR_device_group_creation                          not started
Comment 1 Jason Ekstrand 2019-07-12 22:35:11 UTC 
More to the point, Vulkan extensions are not like GL extensions where you either have it or don't.  Yes, RADV advertises the extension but it's a no-op implementation.  ANV advertises it too.
Comment 2 Shmerl 2019-07-12 22:39:30 UTC 
(In reply to Jason Ekstrand from comment #1)
> More to the point, Vulkan extensions are not like GL extensions where you
> either have it or don't.  Yes, RADV advertises the extension but it's a
> no-op implementation.  ANV advertises it too.

Thanks for clarifying!

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