X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fcompiler.h;h=6448ae6cfa6fe962dc5097ffcf2011f835ebbaf9;hp=1f3cbee4698c466a7b88b562d56373f7f9b0fb6e;hb=c1d3a1d7c1997bc71a30af2e2c25cb4a2b66784b;hpb=30465dd3b9f55ec42c4b19c3c2077eede7237a26

diff --git a/source/glsl/compiler.h b/source/glsl/compiler.h
index 1f3cbee4..6448ae6c 100644
--- a/source/glsl/compiler.h
+++ b/source/glsl/compiler.h
@@ -21,6 +21,23 @@ public:
 	};
 
 private:
+	enum OptimizeResult
+	{
+		NEXT_STAGE,
+		REDO_STAGE,
+		REDO_PREVIOUS
+	};
+
+	enum ResolveFlags
+	{
+		RESOLVE_BLOCKS = 1,
+		RESOLVE_TYPES = 2,
+		RESOLVE_VARIABLES = 4,
+		RESOLVE_EXPRESSIONS = 8,
+		RESOLVE_FUNCTIONS = 16,
+		RESOLVE_ALL = 31
+	};
+
 	Features features;
 	Module *module;
 	std::vector<std::string> imported_names;
@@ -88,6 +105,10 @@ public:
 	Intended for debugging purposes. */
 	std::string get_stage_debug(Stage::Type) const;
 
+	/** Returns diagnostics from compilation.  The output is intended to be
+	viewed by humans. */
+	std::string get_diagnostics() const;
+
 private:
 	/** Appends a module to the target, processing any imports found in it. */
 	void append_module(Module &, DataFile::Collection *);
@@ -102,9 +123,19 @@ private:
 	variables. */
 	void generate(Stage &, Mode);
 
-	/** Applies optimizations to a stage.  The return value indicates if the
-	preceding stage should be processed again. */
-	bool optimize(Stage &);
+	template<typename T>
+	bool resolve(Stage &, unsigned &, unsigned);
+
+	/** Resolves various references between nodes.  Flags can be specified to
+	request resolving particular aspects.  Resolving may ripple into other
+	aspects as necessary. */
+	void resolve(Stage &, unsigned = RESOLVE_ALL);
+
+	bool validate(Stage &);
+
+	/** Applies optimizations to a stage.  The return value indicates which
+	stage should be optimized next. */
+	OptimizeResult optimize(Stage &);
 
 	/** Performs final adjustments on a stage after compilation. */
 	void finalize(Stage &, Mode);