X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.h;h=7840ecf00a2ef993a3590b6dd802f798b3d5878e;hb=e37851b98dde5082ee92570354746f2f92e21940;hp=82a954b58b481faf4809cac719baa3aa1c48079a;hpb=83bfb4bc26cf20cada1fcda47064b75d8e49fa08;p=libs%2Fgl.git

diff --git a/source/programbuilder.h b/source/programbuilder.h
index 82a954b5..7840ecf0 100644
--- a/source/programbuilder.h
+++ b/source/programbuilder.h
@@ -11,6 +11,13 @@ namespace GL {
 
 class Program;
 
+class invalid_variable_definition: public std::invalid_argument
+{
+public:
+	invalid_variable_definition(const std::string &w): std::invalid_argument(w) { }
+	virtual ~invalid_variable_definition() throw() { }
+};
+
 class ProgramBuilder
 {
 public:
@@ -29,13 +36,15 @@ public:
 		bool normalmap;
 		bool shadow;
 		bool reflection;
-		bool transform;
+		bool legacy;
+		std::string custom;
 
 		StandardFeatures();
 
 		std::string create_flags() const;
 	};
 
+private:
 	enum VariableScope
 	{
 		NO_SCOPE,
@@ -45,8 +54,7 @@ public:
 		FRAGMENT
 	};
 
-private:
-	struct StandardVariable
+	struct VariableDefinition
 	{
 		VariableScope scope;
 		const char *name;
@@ -58,7 +66,7 @@ private:
 	struct ShaderVariable
 	{
 		std::string name;
-		const StandardVariable *variable;
+		const VariableDefinition *variable;
 		std::string resolved_name;
 		bool fuzzy_space;
 		std::string resolved_space;
@@ -69,12 +77,12 @@ private:
 
 		ShaderVariable(const std::string &);
 
-		void resolve(const StandardVariable &);
+		void resolve(const VariableDefinition &);
 		void resolve(ShaderVariable &);
 		void resolve_space(const std::string &);
 		void add_reference(ShaderVariable &);
 		void update_reference(ShaderVariable &, ShaderVariable &);
-		void check_inline();
+		void check_inline(bool);
 		bool is_referenced_from(VariableScope) const;
 		std::string get_expression() const;
 	};
@@ -87,10 +95,11 @@ private:
 	};
 
 	StandardFeatures features;
+	std::list<VariableDefinition> custom_variables;
 	std::string feature_flags;
 	bool optimize;
 
-	static const StandardVariable standard_variables[];
+	static const VariableDefinition standard_variables[];
 
 public:
 	ProgramBuilder(const StandardFeatures &);