Update Vulkan.java

Author: artdeell

src/main/java/net/vulkanmod/vulkan/Vulkan.java

@@ -39,7 +39,7 @@
 
 public class Vulkan {
 
-    public static final boolean ENABLE_VALIDATION_LAYERS = false;
+    public static final boolean ENABLE_VALIDATION_LAYERS = Boolean.parseBoolean(System.getProperty("net.vulkanmod.vulkan.validation", "false"));
 //    public static final boolean ENABLE_VALIDATION_LAYERS = true;
 
     //    public static final boolean DYNAMIC_RENDERING = true;