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= Vulkan^(R)^ API Documentation Project
This repository contains sources for the formal documentation of the Vulkan
API. This includes:
[options="compact"]
- The Vulkan API Specification
- Specification of Vulkan extensions
- API reference ("
man") pages - The XML API Registry (also mirrored at
https://github.com/KhronosGroup/Vulkan-Headers) - Vulkan header files (also mirrored at
https://github.com/KhronosGroup/Vulkan-Headers) - Related tools and scripts.
The authoritative public repository is located at
https://github.com/KhronosGroup/Vulkan-Docs/.
It hosts a public Issue tracker, and outside developers can file proposed
patches (Pull Requests) against the Specification, subject to approval
by Khronos.
If in doubt where to submit your Issue, consult the
https://github.com/KhronosGroup/Vulkan-Ecosystem repo.
== Branch Structure
Everything is now maintained in the master branch of the repository.
From this branch it is possible to generate both Vulkan 1.1 and Vulkan 1.0
Specifications, as well as specifications for any set of Extensions.
With the release of Vulkan 1.2, the current Specification continues to be
maintained in the master branch.
The last public spec update (Vulkan 1.1.130) can be found via the v1.1.130
git tag.
The last state of the master branch before 1.2 content was merged into it
can be found via the 1.1-archive tag in Khronos' internal gitlab.
== Directory Structure
The directory structure is as follows:
README.adoc This file
BUILD.adoc Documents how to build the specifications, and man pages
COPYING.md Copyright and licensing information
CODE_OF_CONDUCT.md Code of Conduct
ChangeLog.txt Change log summary for each public spec update
Makefile, make* Makefile and helper build scripts (see BUILD.adoc)
appendices/ Specification appendices
chapters/ Specification chapters
config/ Asciidoctor configuration, CSS, and index generator
images/ Images (figures, diagrams, icons)
man/ Reference (man) pages for the API; mostly extracted from the spec source
out/ Default directory for the generated documents
scripts/ Helper scripts used in specification, header, and reference page generation
style/ Sources for "styleguide" (Vulkan Documentation and Extensions: Procedures and Conventions)
xml/ XML API Registry (vk.xml)
registry.txt Sources for documentation of the vk.xml format
== Building the Specification and Reference Pages
The document sources are marked up in Asciidoctor format, and we use
asciidoctor and related toolchain components to generate output documents.
See link:BUILD.adoc[BUILD.adoc] for more information on installing the
toolchain and building the Specification.
== Generating Headers and Related Files
See link:xml/README.adoc[xml/README.adoc].
The header files (include/vulkan/vulkan*.h) and many parts of the
specification and reference page documents are generated from descriptions
in the XML API Registry (xml/vk.xml).
The generated files are not checked into the repository.
If you change vk.xml, you can regenerate the headers by going into
xml/ and running:
$ make clean install
The other generated files are built as required via dependencies in
the top-level Makefile.