1 files changed, 4 insertions, 0 deletions
diff --git a/src/gui/util/qshadergenerator.cpp b/src/gui/util/qshadergenerator.cpp
index 31c2f74746..ae45c03fd1 100644
--- a/src/gui/util/qshadergenerator.cpp
+++ b/src/gui/util/qshadergenerator.cpp
@@ -61,6 +61,8 @@ namespace
                 return ""; // Although fragment shaders for <=2 only have fixed outputs
             case QShaderLanguage::Uniform:
                 return "uniform";
+            case QShaderLanguage::BuiltIn:
+                return "//";
             }
         } else {
             switch (qualifier) {
@@ -72,6 +74,8 @@ namespace
                 return "out";
             case QShaderLanguage::Uniform:
                 return "uniform";
+            case QShaderLanguage::BuiltIn:
+                return "//";
             }
         }