Only remove load IDs of variables actually assigned in a loop

[libs/gl.git] / source / glsl / reflect.h

diff --git a/source/glsl/reflect.h b/source/glsl/reflect.h
index d48fbec156506f31fda79fd86aa676b8257a128d..5b4170a9c766e460d34da7157fe84f1d68dbbeec 100644 (file)
--- a/source/glsl/reflect.h
+++ b/source/glsl/reflect.h
@@ -104,6 +104,18 @@ private:
        virtual void visit(FunctionDeclaration &);
 };
 
+class AssignmentCollector: private TraversingVisitor
+{
+private:
+       std::set<VariableDeclaration *> assigned_variables;
+
+public:
+       std::set<VariableDeclaration *> apply(Node &);
+
+private:
+       virtual void visit(Assignment &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp