Vulkan-Docs/appendices/VK_EXT_pci_bus_info.txt
Jon Leech 22a5a1459f Change log for October 6, 2019 Vulkan 1.1.124 spec update:
* Update release number to 124.

Github Issues:

  * Fix Makefile SPECREMARK macro to work when not building in a git tree
    (public issue 992).
  * Ignore pname:aspectMask for unused attachments in
    slink:VkSubpassDescription2KHR valid usage statements (public pull
    request 1028).
  * Minor markup / spelling fixes (public pull requests 1035, 1045).

Internal Issues:

  * Fix markup in Valid Usage statement for slink:VkCreateFramebuffer
    (internal issue 1823).
  * Add a new <<synchronization-signal-operation-order, _signal operation
    order_>> section to the synchronization chapter which describes in
    detail the ordering guarantees provided by the API between fence and
    semaphore signal operations (internal merge request 3368).
  * Move generated `appendix/meta/` files into the Makefile GENERATED
    directory (internal merge request 3381).

New Extensions

  * `<<VK_KHR_shader_clock>>`
  * `<<VK_KHR_timeline_semaphore>>`
2019-10-06 12:42:12 -07:00

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include::{generated}/meta/VK_EXT_pci_bus_info.txt[]
*Last Modified Date*::
2018-12-10
*IP Status*::
No known IP claims.
*Contributors*::
- Matthaeus G. Chajdas, AMD
- Daniel Rakos, AMD
This extension adds a new query to obtain PCI bus information about a
physical device.
Not all physical devices have PCI bus information, either due to the device
not being connected to the system through a PCI interface or due to platform
specific restrictions and policies.
Thus this extension is only expected to be supported by physical devices
which can provide the information.
As a consequence, applications should always check for the presence of the
extension string for each individual physical device for which they intend
to issue the new query for and should not have any assumptions about the
availability of the extension on any given platform.
=== New Object Types
None.
=== New Enum Constants
* Extending elink:VkStructureType:
** ename:VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PCI_BUS_INFO_PROPERTIES_EXT
=== New Enums
None.
=== New Structures
* slink:VkPhysicalDevicePCIBusInfoPropertiesEXT
=== New Functions
None.
=== Issues
None.
=== Examples
None.
=== Version History
* Revision 2, 2018-12-10 (Daniel Rakos)
- Changed all members of the new structure to have the uint32_t type
* Revision 1, 2018-10-11 (Daniel Rakos)
- Initial revision