diff --git a/src/spirv/spirv_module.cpp b/src/spirv/spirv_module.cpp
index 9cece8c3..ebd5629c 100644
--- a/src/spirv/spirv_module.cpp
+++ b/src/spirv/spirv_module.cpp
@@ -414,6 +414,24 @@ namespace dxvk {
     
     return this->constComposite(vectorTypeId, count, args.data());
   }
+
+
+  uint32_t SpirvModule::constuReplicant(
+          int32_t                 replicant,
+          uint32_t                count) {
+    uint32_t value = this->constu32(replicant);
+
+    std::array<uint32_t, 4> args = { value, value, value, value };
+
+    // Can't make a scalar composite.
+    if (count == 1)
+      return args[0];
+    
+    uint32_t scalarTypeId = this->defIntType(32, 0);
+    uint32_t vectorTypeId = this->defVectorType(scalarTypeId, count);
+    
+    return this->constComposite(vectorTypeId, count, args.data());
+  }
   
   
   uint32_t SpirvModule::constComposite(
diff --git a/src/spirv/spirv_module.h b/src/spirv/spirv_module.h
index 7ba1e991..618fd290 100644
--- a/src/spirv/spirv_module.h
+++ b/src/spirv/spirv_module.h
@@ -183,6 +183,10 @@ namespace dxvk {
     uint32_t constiReplicant(
             int32_t                 replicant,
             uint32_t                count);
+
+    uint32_t constuReplicant(
+            int32_t                 replicant,
+            uint32_t                count);
     
     uint32_t constComposite(
             uint32_t                typeId,