From 1b00260f3fde1a2e97e9e20c8dbbb905b8cb5c15 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Sat, 2 Jul 2016 18:24:57 +0200
Subject: [PATCH] documented shaders compile (nw)

---
 makefile | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/makefile b/makefile
index 08bcf1d4482..1a8891fb1bd 100644
--- a/makefile
+++ b/makefile
@@ -1619,6 +1619,14 @@ cppcheck:
 
 #-------------------------------------------------
 # BGFX shaders
+#
+# to build all just use : make shaders 
+#
+# to build specific chain use for example : make shaders CHAIN=eagle
+# data for chain is taken from src/osd/modules/render/bgfx/shaders/chains/
+# subfolder named in CHAIN
+# NOTE: shaders can be only built on Windows for now
+# due to restrictions of way how hlsl shaders are compiled
 #-------------------------------------------------
 
 .PHONY: shaders bgfx-tools