Support specialization constants in the GLSL compiler

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

diff --git a/source/glsl/generate.h b/source/glsl/generate.h
index 4968297635c074e975af19e42934c57fe1da78a7..68816b8b50acec9411ec331e8b866749412bb3d2 100644 (file)
--- a/source/glsl/generate.h
+++ b/source/glsl/generate.h
@@ -27,6 +27,20 @@ private:
        virtual void visit(VariableDeclaration &);
 };
 
+class ConstantSpecializer: private TraversingVisitor
+{
+private:
+       const std::map<std::string, int> *values;
+
+public:
+       ConstantSpecializer();
+
+       void apply(Stage &, const std::map<std::string, int> *);
+
+private:
+       virtual void visit(VariableDeclaration &);
+};
+
 class BlockResolver: private TraversingVisitor
 {
 public:
@@ -34,12 +48,12 @@ public:
 
 private:
        virtual void enter(Block &);
-       virtual void visit(InterfaceBlock &);
 };
 
 class VariableResolver: private TraversingVisitor
 {
 private:
+       Stage *stage;
        Block *builtins;
        std::map<std::string, VariableDeclaration *> *members;
        RefPtr<InterfaceBlockReference> iface_ref;
@@ -88,6 +102,8 @@ private:
        std::string out_prefix;
        bool function_scope;
        InterfaceBlock *iface_block;
+       bool copy_block;
+       Block *iface_target_block;
        NodeList<Statement>::iterator iface_insert_point;
        NodeList<Statement>::iterator assignment_insert_point;
        std::set<Node *> nodes_to_remove;
@@ -102,6 +118,7 @@ private:
        std::string change_prefix(const std::string &, const std::string &) const;
        virtual void visit(Block &);
        bool generate_interface(VariableDeclaration &, const std::string &, const std::string &);
+       bool generate_interface(InterfaceBlock &);
        ExpressionStatement &insert_assignment(const std::string &, Expression *);
        virtual void visit(VariableReference &);
        virtual void visit(VariableDeclaration &);