Vulkan-Docs/doc/specs/vulkan/appendices/VK_AMD_mixed_attachment_samples.txt
Jon Leech c8c0862dee Change log for August 1, 2017 Vulkan 1.0.57 spec update:
* Bump API patch number and header version number to 57 for this update.

Github Issues:

  * Fix error in description of ename:VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK
    block size (public issue 342).
  * Update documentation of ename:VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT
    to explicitly mention both graphics and compute pipelines (public issue
    525).

Internal Issues:

  * Document that
    slink:VkPhysicalDeviceLimits::pname:framebufferColorSampleCounts does
    not cover integer formats (internal issue 550).
  * Add a note under slink:VkImageViewCreateInfo describing how values meant
    for one format can be sanitized when used via another format (internal
    issue 927).
  * Add valid usage statements to ftext:vkCmd* documenting that image
    subresources used as attachments must not be accessed as non-attachments
    in a render pass (internal issue 929).
  * Remove obsolete 'validextensionstructs' attribute from +vk.xml+, the XML
    schema, and the schema documentation (internal issue 946).

New Extensions:

  * `VK_AMD_mixed_attachment_samples`
  * `VK_EXT_post_depth_coverage`
  * `VK_KHR_relaxed_block_layout`
  * `VK_NV_depth_range_unrestricted`
2017-07-31 17:22:11 -07:00

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[[VK_AMD_mixed_attachment_samples]]
== VK_AMD_mixed_attachment_samples
*Name String*::
+VK_AMD_mixed_attachment_samples+
*Extension Type*::
Device extension
*Registered Extension Number*::
137
*Status*::
Complete
*Last Modified Date*::
2017-07-24
*Revision*::
1
*Dependencies*::
- This extension is written against version 1.0 of the Vulkan API.
*Contributors*::
- Mais Alnasser, AMD
- Matthaeus G.
Chajdas, AMD
- Maciej Jesionowski, AMD
- Daniel Rakos, AMD
*Contacts*::
- Matthaeus G.
Chajdas (matthaeus.chajdas@amd.com)
*Overview*::
This extension enables applications to use multisampled rendering with a
depth/stencil sample count that is larger than the color sample count.
Having a depth/stencil sample count larger than the color sample count
allows maintaining geometry and coverage information at a higher sample rate
than color information.
All samples are depth/stencil tested, but only the first color sample count
number of samples get a corresponding color output.
=== New Object Types
None.
=== New Enum Constants
None.
=== New Enums
None.
=== New Structures
None.
=== New Functions
None.
=== Issues
None.
=== Version History
* Revision 1, 2017-07-24 (Daniel Rakos)
- Internal revisions