From: Juan A. Suarez Romero <jasuarez@igalia.com>
Date: Wed, 11 Jan 2017 17:51:35 +0000 (+0100)
Subject: docs: document INTEL_PRECISE_TRIG envvar
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=883ca597df0debbf27431c218b2acb72986c52e2;p=mesa.git

docs: document INTEL_PRECISE_TRIG envvar

v2: use more generic description (Jordan)

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---

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>