From 630f3c171f467eb5d84cc39ed3bf2cf302d11827 Mon Sep 17 00:00:00 2001
From: NNskelly <sean@nextnowagency.com>
Date: Tue, 6 Jun 2017 11:29:05 -0500
Subject: [PATCH] Update MeshStandardMaterial.html

Regarding https://github.com/mrdoob/three.js/issues/11452#issuecomment-306533171
Clarify requirements on the environment map for advanced use cases.
---
 docs/api/materials/MeshStandardMaterial.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/api/materials/MeshStandardMaterial.html b/docs/api/materials/MeshStandardMaterial.html
index 5c7fadafe01633..849247a62d7359 100644
--- a/docs/api/materials/MeshStandardMaterial.html
+++ b/docs/api/materials/MeshStandardMaterial.html
@@ -164,7 +164,11 @@ <h3>[property:Float emissiveIntensity]</h3>
 		<div>Intensity of the emissive light. Modulates the emissive color. Default is 1.</div>
 
 		<h3>[property:TextureCube envMap]</h3>
-		<div>The environment map. Default is null.</div>
+		<div>The environment map. Default is null.  Note that in order for the material roughness 
+		property to correctly blur out the environment map, the shader must have access to mipmaps 
+		of the env texture.  TextureCubes created with default settings are correctly configured; 
+		if adjusting texture parameters manually, ensure minFilter is set to one of the MipMap options, 
+		and that mip maps have not been otherwise forcibly disabled.</div>
 
 		<h3>[property:Float envMapIntensity]</h3>
 		<div>Scales the effect of the environment map by multiplying its color.</div>