Module: Mesa
Branch: master
Commit: bebf758c4925d828b3df5e0f4168abc56e71859d
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=bebf758c4925d828b3df5e0f4168abc56e71859d

Author: Brian Paul <bri...@vmware.com>
Date:   Tue Mar 27 12:39:05 2018 -0600

docs: document WGL_SWAP_INTERVAL env var

Reviewed-by: Charmaine Lee <charmai...@vmware.com>

---

 docs/envvars.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/envvars.html b/docs/envvars.html
index a08f5b9402..08c259cc7b 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -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>

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