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Add revision to XML extensions #1161

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May 21, 2024
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Add revision to XML extensions #1161

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19 changes: 19 additions & 0 deletions api/opencl_architecture.asciidoc
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Expand Up @@ -2263,6 +2263,25 @@ typedef cl_uint cl_version;
((patch) & CL_VERSION_PATCH_MASK))
----

[NOTE]
--
The available version of an extension is exposed to the user via a macro
defined by the OpenCL Headers. This macro takes the format of the uppercase
extension name followed by the `_EXTENSION_VERSION` suffix. For example,
`CL_KHR_SEMAPHORE_EXTENSION_VERSION` is the macro defining the version of the
{cl_khr_semaphore_EXT} extension.

The value of this macro is set to the {cl_version_TYPE} of the extension using
the semantic version of the extension. If no semantic version is defined for
the extension, then the value of the macro is set to `0` to represent semantic
version `0.0.0`.

Applications can use these version macros along with the convience macros
defined in this section to guard their code against breaking changes to the API
of extensions, in particular provisional KHR extensions which have yet to
finalize an API.
--

[[version-name-pairing]]
==== Version-Name Pairing

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