From 7ea790aa4fd06237fa0ce09785328dfb2b7f7aa4 Mon Sep 17 00:00:00 2001
From: samcake <samuel.gateau@gmail.com>
Date: Tue, 11 Oct 2016 14:43:41 -0700
Subject: [PATCH] adding a comment to explain what we are doing

---
 libraries/render-utils/src/DeferredLightingEffect.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/render-utils/src/DeferredLightingEffect.cpp b/libraries/render-utils/src/DeferredLightingEffect.cpp
index 574f67eed3..2e169e5cc3 100644
--- a/libraries/render-utils/src/DeferredLightingEffect.cpp
+++ b/libraries/render-utils/src/DeferredLightingEffect.cpp
@@ -478,6 +478,8 @@ void RenderDeferredSetup::run(const render::SceneContextPointer& sceneContext, c
         // Setup the global directional pass pipeline
         {
             if (deferredLightingEffect->_shadowMapEnabled) {
+                // If the keylight has an ambient Map then use the Skybox version of the pass
+                // otherwise use the ambient sphere version
                 if (keyLight->getAmbientMap()) {
                     program = deferredLightingEffect->_directionalSkyboxLightShadow;
                     locations = deferredLightingEffect->_directionalSkyboxLightShadowLocations;
@@ -486,6 +488,8 @@ void RenderDeferredSetup::run(const render::SceneContextPointer& sceneContext, c
                     locations = deferredLightingEffect->_directionalAmbientSphereLightShadowLocations;
                 }
             } else {
+                // If the keylight has an ambient Map then use the Skybox version of the pass
+                // otherwise use the ambient sphere version
                 if (keyLight->getAmbientMap()) {
                     program = deferredLightingEffect->_directionalSkyboxLight;
                     locations = deferredLightingEffect->_directionalSkyboxLightLocations;