X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogrambuilder.h;h=9ca9c8539b54c1046a2d97b29e7b854506c128d2;hb=2e9d7c9f5741d17f77ce27273590ee16b791fb64;hp=cca0c14912165616eecc7f9838e59671a9a2ebb1;hpb=825a334729ded60f7b554af4b2d5ab57122efbe9;p=libs%2Fgl.git

diff --git a/source/programbuilder.h b/source/programbuilder.h
index cca0c149..9ca9c853 100644
--- a/source/programbuilder.h
+++ b/source/programbuilder.h
@@ -18,9 +18,15 @@ public:
 	virtual ~invalid_variable_definition() throw() { }
 };
 
+/**
+Generates shaders with common features.
+*/
 class ProgramBuilder
 {
 public:
+	/**
+	Describes the features of a standard shader program.
+	*/
 	struct StandardFeatures
 	{
 		class Loader: public DataFile::ObjectLoader<StandardFeatures>
@@ -33,6 +39,7 @@ public:
 		bool material;
 		bool lighting;
 		unsigned max_lights;
+		bool skylight;
 		bool specular;
 		bool normalmap;
 		bool shadow;
@@ -49,6 +56,7 @@ private:
 	enum VariableScope
 	{
 		NO_SCOPE,
+		TYPE,
 		UNIFORM,
 		ATTRIBUTE,
 		VERTEX,
@@ -77,7 +85,9 @@ private:
 	{
 		std::string name;
 		const VariableDefinition *variable;
+		const VariableDefinition *type;
 		std::string resolved_name;
+		std::string resolved_block;
 		bool fuzzy_space;
 		std::string resolved_space;
 		bool array_sum;
@@ -93,6 +103,7 @@ private:
 
 		void resolve(const VariableDefinition &);
 		void resolve(ShaderVariable &);
+		void resolve_type(const VariableDefinition &);
 		void resolve_space(const std::string &);
 		void resolve_array(const StandardFeatures &, unsigned = 0);
 		void add_reference(ShaderVariable &);
@@ -100,6 +111,7 @@ private:
 		void check_inline(bool, bool);
 		bool is_referenced_from(VariableScope) const;
 		InterfaceFlags get_interface_flags(VariableScope) const;
+		std::string create_type_declaration() const;
 		std::string create_declaration(char = 0, bool = false) const;
 		std::string create_replacement(VariableScope, const char * = 0) const;
 		std::string create_expression(const char * = 0) const;
@@ -116,6 +128,7 @@ private:
 	StandardFeatures features;
 	std::list<VariableDefinition> custom_variables;
 	std::string feature_flags;
+	std::map<std::string, std::string> aliases;
 	bool optimize;
 
 	static const VariableDefinition standard_variables[];
@@ -130,10 +143,12 @@ public:
 private:
 	std::string create_source(const std::list<ShaderVariable *> &, VariableScope) const;
 	bool evaluate_flags(const char *) const;
+	static const char *unqualified_name(const char *);
 	static MatchType name_match(const char *, const char *, const char ** = 0);
 	static bool parse_identifier(const char *, unsigned &, unsigned &);
 	static std::vector<std::string> extract_identifiers(const char *);
 	static std::string replace_identifiers(const char *, const std::map<std::string, std::string> &);
+	std::string create_expression(const ShaderVariable &, const char * = 0) const;
 };
 
 } // namespace GL