Updated spirv-cross.

3rdparty/spirv-cross/spirv_msl.cpp

@@ -9164,14 +9164,19 @@ void CompilerMSL::emit_glsl_op(uint32_t result_type, uint32_t id, uint32_t eop,
 		break;
 
 	case GLSLstd450Normalize:
+	{
+		auto &exp_type = expression_type(args[0]);
 		// MSL does not support scalar versions here.
+		// MSL has no implementation for normalize in the fast:: namespace for half2 and half3
 		// Returns -1 or 1 for valid input, sign() does the job.
-		if (expression_type(args[0]).vecsize == 1)
+		if (exp_type.vecsize == 1)
 			emit_unary_func_op(result_type, id, args[0], "sign");
+		else if (exp_type.vecsize <= 3 && exp_type.basetype == SPIRType::Half)
+			emit_unary_func_op(result_type, id, args[0], "normalize");
 		else
 			emit_unary_func_op(result_type, id, args[0], "fast::normalize");
 		break;
-
+	}
 	case GLSLstd450Reflect:
 		if (get<SPIRType>(result_type).vecsize == 1)
 			emit_binary_func_op(result_type, id, args[0], args[1], "spvReflect");