From 32956e5ccf02310550921c2b7b9c7127342dc0da Mon Sep 17 00:00:00 2001
From: Dan Bagnell <daniel.p.bagnell@gmail.com>
Date: Thu, 21 Apr 2016 16:51:51 -0400
Subject: [PATCH] Add back rendering skirts when casting shadows.

---
 Source/Scene/ShadowMap.js | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/Source/Scene/ShadowMap.js b/Source/Scene/ShadowMap.js
index ab9b43d0a215..4960bea28aaa 100644
--- a/Source/Scene/ShadowMap.js
+++ b/Source/Scene/ShadowMap.js
@@ -1417,7 +1417,7 @@ define([
         return combine(uniforms, mapUniforms, false);
     }
 
-    function createCastDerivedCommand(shadowMap, command, context, skirtIndex, oldShaderId, result) {
+    function createCastDerivedCommand(shadowMap, command, context, oldShaderId, result) {
         var castShader;
         var castRenderState;
         var castUniformMap;
@@ -1475,11 +1475,6 @@ define([
         result.renderState = castRenderState;
         result.uniformMap = castUniformMap;
 
-        if (defined(skirtIndex)) {
-            // Don't render terrain skirts when casting into the shadow map. Render all indices of the tile up to the skirt index.
-            result.count = skirtIndex;
-        }
-
         return result;
     }
 
@@ -1494,10 +1489,8 @@ define([
         var isTerrain = command.pass === Pass.GLOBE;
 
         var hasTerrainNormal = false;
-        var skirtIndex;
         if (isTerrain) {
             hasTerrainNormal = command.owner.data.pickTerrain.mesh.encoding.hasVertexNormals;
-            skirtIndex = command.owner.data.terrainData._skirtIndex;
         }
 
         if (command.castShadows) {
@@ -1512,7 +1505,7 @@ define([
             castCommands.length = shadowMapLength;
 
             for (var i = 0; i < shadowMapLength; ++i) {
-                castCommands[i] = createCastDerivedCommand(shadowMaps[i], command, context, skirtIndex, oldShaderId, castCommands[i]);
+                castCommands[i] = createCastDerivedCommand(shadowMaps[i], command, context, oldShaderId, castCommands[i]);
             }
 
             result.castShaderProgramId = command.shaderProgram.id;