Transform interface block contents into structs

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

diff --git a/source/glsl/optimize.h b/source/glsl/optimize.h
index c932767e99807325f159372e626895aafa213c5b..551e2d56976155a0d5b8b1e5c56e848fe95281e1 100644 (file)
--- a/source/glsl/optimize.h
+++ b/source/glsl/optimize.h
@@ -88,6 +88,7 @@ private:
        virtual void visit(Block &);
        virtual void visit(UnaryExpression &);
        virtual void visit(BinaryExpression &);
+       virtual void visit(Assignment &a) { visit(static_cast<BinaryExpression &>(a)); }
        virtual void visit(MemberAccess &);
        virtual void visit(FunctionCall &);
        virtual void visit(ExpressionStatement &);
@@ -165,6 +166,28 @@ private:
        virtual void visit(Iteration &);
 };
 
+/** Removes types which are not used anywhere. */
+class UnusedTypeRemover: private TraversingVisitor
+{
+private:
+       std::set<Node *> unused_nodes;
+
+public:
+       bool apply(Stage &);
+
+private:
+       virtual void visit(Literal &);
+       virtual void visit(UnaryExpression &);
+       virtual void visit(BinaryExpression &);
+       virtual void visit(FunctionCall &);
+       virtual void visit(BasicTypeDeclaration &);
+       virtual void visit(ImageTypeDeclaration &);
+       virtual void visit(StructDeclaration &);
+       virtual void visit(VariableDeclaration &);
+       virtual void visit(InterfaceBlock &);
+       virtual void visit(FunctionDeclaration &);
+};
+
 /** Removes variable declarations with no references to them.  Assignment
 statements where the result is not used are also removed. */
 class UnusedVariableRemover: private TraversingVisitor