Also prototype the Lod0 function variant if needed.

src/common/version.h

 #define MAJOR_VERSION 1
 #define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 1306
+#define BUILD_REVISION 1307
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)

src/compiler/OutputHLSL.cpp

@@ -1340,7 +1340,7 @@ bool OutputHLSL::visitAggregate(Visit visit, TIntermAggregate *node)
       case EOpPrototype:
         if (visit == PreVisit)
         {
-            out << typeString(node->getType()) << " " << decorate(node->getName()) << "(";
+            out << typeString(node->getType()) << " " << decorate(node->getName()) << (mOutputLod0Function ? "Lod0(" : "(");
 
             TIntermSequence &arguments = node->getSequence();
 
@@ -1362,6 +1362,14 @@ bool OutputHLSL::visitAggregate(Visit visit, TIntermAggregate *node)
 
             out << ");\n";
 
+            // Also prototype the Lod0 variant if needed
+            if (mContainsLoopDiscontinuity && !mOutputLod0Function)
+            {
+                mOutputLod0Function = true;
+                node->traverse(this);
+                mOutputLod0Function = false;
+            }
+
             return false;
         }
         break;