Merge pull request CesiumGS#5885 from AnalyticalGraphicsInc/materials…

…-common-shader Fix shader compilation error in processModelMaterialsCommon
fstoner · Oct 5, 2017 · 9996756 · 9996756
2 parents 60a7d2b + 855df7c
commit 9996756
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Source/ThirdParty/GltfPipeline/processModelMaterialsCommon.js b/Source/ThirdParty/GltfPipeline/processModelMaterialsCommon.js
@@ -541,7 +541,7 @@ define([
             } else {
                 fragmentLightingBlock += '  vec3 l = vec3(0.0, 0.0, 1.0);\n';
             }
-            var minimumLighting = optimizeForCesium ? 0.2 : 0.0;
+            var minimumLighting = optimizeForCesium ? '0.2' : '0.0'; // Use strings instead of values as 0.0 -> 0 when stringified
             fragmentLightingBlock += '  diffuseLight += vec3(1.0, 1.0, 1.0) * max(dot(normal,l), ' + minimumLighting + ');\n';
 
             if (hasSpecular) {