X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Freflect.h;h=c2d7aa0483bd36e4411a55c2d5325158dfae1b92;hb=cdc2c7176202b4f8d1f3fd21db9c571511b32fa2;hp=162ed9c0b8bcf4ddb01daf17724e4308138decd0;hpb=8967d38bc578f1653c1dde01dce49a8f7b0c912e;p=libs%2Fgl.git

diff --git a/source/glsl/reflect.h b/source/glsl/reflect.h
index 162ed9c0..c2d7aa04 100644
--- a/source/glsl/reflect.h
+++ b/source/glsl/reflect.h
@@ -7,6 +7,34 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+/** Compares two types for equality.  Struct types are compared recursively. */
+class TypeComparer: private NodeVisitor
+{
+private:
+	Node *first;
+	Node *second;
+	unsigned first_tag;
+	bool r_result;
+
+	static unsigned next_tag;
+
+public:
+	TypeComparer();
+
+	bool apply(TypeDeclaration &t1, TypeDeclaration &t2) { compare(t1, t2); return r_result; }
+
+private:
+	void compare(Node &, Node &);
+	template<typename T>
+	T *multi_visit(T &);
+	virtual void visit(Literal &);
+	virtual void visit(VariableReference &);
+	virtual void visit(BasicTypeDeclaration &);
+	virtual void visit(ImageTypeDeclaration &);
+	virtual void visit(StructDeclaration &);
+	virtual void visit(VariableDeclaration &);
+};
+
 /** Determines the number of interface locations required by a variable. */
 class LocationCounter: private NodeVisitor
 {
@@ -57,6 +85,7 @@ class DependencyCollector: private TraversingVisitor
 private:
 	std::set<Node *> dependencies;
 	std::set<Node *> locals;
+	std::set<FunctionDeclaration *> visited_functions;
 
 public:
 	std::set<Node *> apply(FunctionDeclaration &);
@@ -66,6 +95,7 @@ private:
 	virtual void visit(InterfaceBlockReference &);
 	virtual void visit(FunctionCall &);
 	virtual void visit(VariableDeclaration &);
+	virtual void visit(FunctionDeclaration &);
 };
 
 } // namespace SL