Jon Leech e958791a01 Change log for March 16, 2018 Vulkan 1.1.71 spec update:
* First public update for Vulkan 1.1.

Github Issues:

  * Refer to standard sparse image block shape format tables explicitly in
    the <<sparsememory-standard-shapes, Standard Sparse Image Block Shapes>>
    section (public issue 93).
  * Add the missing definition of the code:LocalInvocationIndex decoration
    in the <<interfaces-builtin-variables, Built-In Variables>> section
    (public issue 532).
  * Clarify dynamic state definition in the introduction to the <<pipelines,
    Pipelines>> section and the new <<pipelines-dynamic-state, Dynamic
    State>> subsection (public issue 620).
  * Clarified deprecation statement in the `VK_AMD_negative_viewport_height`
    appendix (public issue 674).
  * Fix parameter descriptions for flink:vkCreateIndirectCommandsLayoutNVX
    (public issue 677).

Internal Issues:

  * Remove description of <<primsrast-points, rasterization point size>>
    being taken from the tessellation control shader, since there are no
    circumstances under which you can have TCS without TES (internal issue
    522).
  * Define <<copies-images-format-size-compatibility, _size-compatible_
    image formats>> for flink:vkCmdCopyImage, add it to the glossary, and
    use that definition for slink:VkImageViewCreateInfo (internal issue
    771).
  * Change brief descriptions of enumerant names, and of parameters which
    are enumerants, from "`enum *indicates*`" to "`enum *specifies*`" for
    consistency, and add a markup style guide rule (internal issue 862).
  * Clarify how execution dependencies interact with
    <<synchronization-submission-order, submission order>> at numerous
    places in the <<renderpass, Render Pass>> and <<synchronization,
    Synchronization>> chapters (internal issue 1062).
  * Clarify statement in the <<interfaces-resources-setandbinding,
    DescriptorSet and Binding Assignment>> section that only interface
    variables statically used by the entry point used in a pipeline must be
    present in the descriptor set layout (internal issue 1172).
  * Flip sparse image diagrams with partially full mip levels vertically, to
    match graph origins of other image diagrams (internal issue 1176).
  * Update new SVG diagrams to have consistent style and base font size,
    increase consistency of primitive topology diagrams, and add a section
    to the style guide on creating and editing images in a consistent style
    (internal issue 1177).
  * Resolve problems with valid usage statement extraction by fixing
    existing VUID tags for interfaces promoted to version 1.1 and fixing
    conditional directives around
    VUID-VkMemoryDedicatedAllocateInfo-image-01797 (internal issue 1184).
  * Strip `KHR` suffixes from a few interfaces promoted to Vulkan 1.1 that
    were missed previously (internal issue 1185).
  * Restrict code:OpImageQuerySizeLod and code:OpImageQueryLevels to only
    work on code:Image operands with their code:Sampled operand set to 1. In
    other words, these operations are not defined to work with storage
    images (internal issue 1193).
  * Recycle extension slot for extension #82 in `vk.xml`. This extension was
    never published (internal issue 1195).
  * Add an issue to the `VK_KHR_maintenance1` appendix noting that zero
    height viewports are allowed when this extension is enabled (internal
    issue 1202).
  * Fix slink:VkDescriptorSetLayoutBinding description so that shader stages
    always use descriptor bindings, not the other way around (internal issue
    1206).
  * Fix field name for
    slink:VkInputAttachmentAspectReference::pname:inputAttachmentIndex
    (internal issue 1210).

Other Issues:

  * Fix a few broken links in the <<versions-1.1, Version 1.1>> appendix.
  * Replace a few old refBegin/refEnd tags with open block markup around
    interfaces, and remove old KHX VUID tags that were breaking the valid
    usage statement extraction.
  * Fix error codes accidentally tagged as success codes in `vk.xml` for
    flink:vkGetSwapchainCounterEXT.
  * Added valid usage statements for ftext:vkBind*Memory2 input structures
    stext:VkBind*MemoryInfo, and fix a pname:image -> pname:buffer typo in a
    couple of places.
  * Fix swapped descriptions of elink:VkDescriptorType enums
    ename:VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE and
    ename:VK_DESCRIPTOR_TYPE_STORAGE_IMAGE (reported via tweet).

New Extensions:

  * `VK_ANDROID_external_memory_android_hardware_buffer`
2018-03-17 04:04:05 -07:00
..

= Diagrams

Diagrams in this folder have been created with Inkscape, using a restricted
color palette (white, black, 50% gray and pure red), one choice of dotted
vs. solid lines, and only two text sizes (10 and 12) using the generic
"sans serif" font family.

Size 10 fonts should only be used for incidental text for labelling in the
middle of the diagram as an identifying mark (e.g. an example sample point);
prefer size 12 fonts wherever possible.
Smaller sizes are unreadable at default zoom, and larger sizes stick out and
are jarring within the context of the specification.

All diagrams are sized 1:1 so that no additional rescaling is required in
the Specification, which would affect the font sizes.

If adding any new diagrams, please try to maintain consistency with the rest
of these diagrams in order to aid consistency and readability of the Vulkan
specification.
Inkscape does not need to be used, but is recommended as a powerful free
tool for generating vector diagrams, and is known to generate diagrams
compatible with the rest of the Vulkan toolchain.
If using other tools, please ensure that the diagram renders correctly in
popular browsers and in the PDF generation path for the specification.



== UTF-8 Characters

At the moment, the PDF conversion path only supports the Windows-1252
character set, as we are currently using the standard fonts built into every
PDF viewer - such that we don't have to embed a different font.
Unfortunately these only support Windows-1252, which is a highly limited
character set.

As such, characters not in that set will not display properly when present
in an SVG, and will fire a warning when building the PDF.
Luckily, Inkscape has an "Object to path" function built in, which will
convert text to a raw path, allowing these characters to be supported.

Please ensure that you build the PDF before submitting any new images,
particularly with non-standard characters, in order to catch such errors.