X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fvisitor.h;fp=source%2Fglsl%2Fvisitor.h;h=e0d74f6226927299913e3e9d41892042eb52f6bb;hb=518f751d385b733adbf43fe4056403740709edec;hp=83b310f62ebadbcef621a9b8d1aa65eb571e59c1;hpb=f7b29fcfe408965c9cba79095eb05c49eca4a98e;p=libs%2Fgl.git

diff --git a/source/glsl/visitor.h b/source/glsl/visitor.h
index 83b310f6..e0d74f62 100644
--- a/source/glsl/visitor.h
+++ b/source/glsl/visitor.h
@@ -110,6 +110,23 @@ private:
 	virtual void visit(Iteration &);
 };
 
+/** Reorders a set of nodes so they appear before another node.  Only nodes
+on the same hierarchly level as the target node are reordered. */
+class NodeReorderer: private TraversingVisitor
+{
+private:
+	Node *reorder_before;
+	const std::set<Node *> *to_reorder;
+
+public:
+	NodeReorderer();
+
+	void apply(Stage &, Node &, const std::set<Node *> &);
+
+private:
+	virtual void visit(Block &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp