X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Freflect.h;h=72a50c3eb6368b303ba5bd6e2fad8f7095e0189b;hp=a48ad53f8cfa9b960665af6a61cd66e2a475d686;hb=42903b905cd3924ecc45d3cb08222bc3548cab91;hpb=03d9003072e85c934f5624329fb4a34db8763db2

diff --git a/source/glsl/reflect.h b/source/glsl/reflect.h
index a48ad53f..72a50c3e 100644
--- a/source/glsl/reflect.h
+++ b/source/glsl/reflect.h
@@ -25,6 +25,24 @@ private:
 	virtual void visit(VariableDeclaration &);
 };
 
+/** Collects dependencies of a function.  This includes global variables,
+interface blocks, other functions and types. */
+class DependencyCollector: private TraversingVisitor
+{
+private:
+	std::set<Node *> dependencies;
+	std::set<Node *> locals;
+
+public:
+	std::set<Node *> apply(FunctionDeclaration &);
+
+private:
+	virtual void visit(VariableReference &);
+	virtual void visit(InterfaceBlockReference &);
+	virtual void visit(FunctionCall &);
+	virtual void visit(VariableDeclaration &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp