From 883ca597df0debbf27431c218b2acb72986c52e2 Mon Sep 17 00:00:00 2001
From: "Juan A. Suarez Romero" <jasuarez@igalia.com>
Date: Wed, 11 Jan 2017 18:51:35 +0100
Subject: [PATCH] docs: document INTEL_PRECISE_TRIG envvar

v2: use more generic description (Jordan)

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---
 docs/envvars.html | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/envvars.html b/docs/envvars.html
index 9eee8db2ebe..276cea3cf34 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -187,6 +187,8 @@ See the <a href="xlibdriver.html">Xlib software driver page</a> for details.
    <li>do32 - generate compute shader SIMD32 programs even if workgroup size doesn't exceed the SIMD16 limit</li>
    <li>norbc - disable single sampled render buffer compression</li>
 </ul>
+<li>INTEL_PRECISE_TRIG - if set to 1, true or yes, then the driver prefers
+   accuracy over performance in trig functions.</li>
 </ul>
 
 
-- 
2.30.2