1 files changed, 20 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/preprocessor/Macro.cpp b/src/3rdparty/angle/src/compiler/preprocessor/Macro.cpp
index 13cb14e3dc..4c4d5fd2e2 100644
--- a/src/3rdparty/angle/src/compiler/preprocessor/Macro.cpp
+++ b/src/3rdparty/angle/src/compiler/preprocessor/Macro.cpp
@@ -6,6 +6,8 @@
 
 #include "Macro.h"
 
+#include <sstream>
+
 #include "Token.h"
 
 namespace pp
@@ -19,5 +21,23 @@ bool Macro::equals(const Macro &other) const
            (replacements == other.replacements);
 }
 
+void PredefineMacro(MacroSet *macroSet, const char *name, int value)
+{
+    std::ostringstream stream;
+    stream << value;
+
+    Token token;
+    token.type = Token::CONST_INT;
+    token.text = stream.str();
+
+    Macro macro;
+    macro.predefined = true;
+    macro.type       = Macro::kTypeObj;
+    macro.name = name;
+    macro.replacements.push_back(token);
+
+    (*macroSet)[name] = macro;
+}
+
 }  // namespace pp