diff --git a/src/spirv/spirv_module.cpp b/src/spirv/spirv_module.cpp
index 4cb09727..6cf71f8f 100644
--- a/src/spirv/spirv_module.cpp
+++ b/src/spirv/spirv_module.cpp
@@ -1667,6 +1667,23 @@ namespace dxvk {
     m_code.putWord(a);
     return resultId;
   }
+
+
+  uint32_t SpirvModule::opCross(
+          uint32_t                resultType,
+          uint32_t                x,
+          uint32_t                y) {
+    uint32_t resultId = this->allocateId();
+    
+    m_code.putIns (spv::OpExtInst, 7);
+    m_code.putWord(resultType);
+    m_code.putWord(resultId);
+    m_code.putWord(m_instExtGlsl450);
+    m_code.putWord(spv::GLSLstd450Cross);
+    m_code.putWord(x);
+    m_code.putWord(y);
+    return resultId;
+  }
   
   
   uint32_t SpirvModule::opIAdd(
diff --git a/src/spirv/spirv_module.h b/src/spirv/spirv_module.h
index 47a086ab..15d57706 100644
--- a/src/spirv/spirv_module.h
+++ b/src/spirv/spirv_module.h
@@ -614,6 +614,11 @@ namespace dxvk {
             uint32_t                x,
             uint32_t                y,
             uint32_t                a);
+
+  uint32_t opCross(
+            uint32_t                resultType,
+            uint32_t                x,
+            uint32_t                y);
     
     uint32_t opIAdd(
             uint32_t                resultType,