docs: document WGL_SWAP_INTERVAL env var

Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul 2018-03-27 12:39:05 -06:00
parent c8906b8459
commit bebf758c49
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@ -323,6 +323,12 @@ such as the OpenGL program's name and command line arguments.
<li>See the driver code for other, lesser-used variables.
</ul>
<h3>WGL environment variables</h3>
<ul>
<li>WGL_SWAP_INTERVAL - to set a swap interval, equivalent to calling
wglSwapIntervalEXT() in an application. If this environment variable
is set, application calls to wglSwapIntervalEXT() will have no effect.
</ul>
<h3>VA-API state tracker environment variables</h3>
<ul>