X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.h;h=69170e02ef979f543b16f1fc53ef0c9adbc0c2d1;hb=d542522823423f9ed2a5d412de9250ee8367334b;hp=7840ecf00a2ef993a3590b6dd802f798b3d5878e;hpb=103cebacd5572e770e4463163688802ee4f6efbf;p=libs%2Fgl.git

diff --git a/source/programbuilder.h b/source/programbuilder.h
index 7840ecf0..69170e02 100644
--- a/source/programbuilder.h
+++ b/source/programbuilder.h
@@ -54,6 +54,15 @@ private:
 		FRAGMENT
 	};
 
+	enum InterfaceFlags
+	{
+		NO_INTERFACE = 0,
+		INPUT = 1,
+		OUTPUT = 2,
+		PASSTHROUGH = INPUT|OUTPUT,
+		GOAL = 4
+	};
+
 	struct VariableDefinition
 	{
 		VariableScope scope;
@@ -82,9 +91,12 @@ private:
 		void resolve_space(const std::string &);
 		void add_reference(ShaderVariable &);
 		void update_reference(ShaderVariable &, ShaderVariable &);
-		void check_inline(bool);
+		void check_inline(bool, bool);
 		bool is_referenced_from(VariableScope) const;
-		std::string get_expression() const;
+		InterfaceFlags get_interface_flags(VariableScope) const;
+		std::string create_declaration(char = 0) const;
+		std::string create_replacement(VariableScope) const;
+		std::string create_expression() const;
 	};
 
 	enum MatchLevel
@@ -100,6 +112,7 @@ private:
 	bool optimize;
 
 	static const VariableDefinition standard_variables[];
+	static const char interfaces[];
 
 public:
 	ProgramBuilder(const StandardFeatures &);