Merge branch 'master' of https://github.com/BabylonJS/Babylon.js into master

src/Materials/Node/Blocks/Dual/textureBlock.ts

@@ -157,6 +157,10 @@ export class TextureBlock extends NodeMaterialBlock {
             if (parent.target === NodeMaterialBlockTargets.Neutral || parent.target === NodeMaterialBlockTargets.VertexAndFragment) {
                 let parentBlock = parent.ownerBlock;
 
+                if (parentBlock.target === NodeMaterialBlockTargets.Fragment) {
+                    return NodeMaterialBlockTargets.Fragment;
+                }
+
                 parent = null;
                 for (var input of parentBlock.inputs) {
                     if (input.connectedPoint) {