Update master

README.md

@@ -13,7 +13,17 @@ The technology here is based on the work by  Niessner, Loop, Meyer, and DeRose i
 
 ## Quickstart ##
 
-Build instructions for linux
+Basic instructions to get started with the code.
+
+### Dependencies ###
+
+Required :
+* IlmBase 1.0.1 : http://www.openexr.com/downloads.html
+
+Optional :
+* Maya SDK (sample code for Maya viewport 2.0 primitive)
+
+### Build instructions for linux : ###
 
 <pre><code>
 * clone the repository :
@@ -28,6 +38,16 @@ Build instructions for linux
     make
 </code></pre>
 
+### Useful cmake options ###
+
+<pre><code>
+-DCMAKE_BUILD_TYPE=[Debug|Release]
+
+-DILMBASE_LOCATION=[path to IlmBase]
+
+-DMAYA_LOCATION=[path to Maya]
+
+</code></pre>
 
 ## Why fast subdivision? ##