X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fcompiler.h;h=0db1ca400de7f017b2991e414dd3c0c331bc8a3d;hp=29561407f9fa80282fbbd5296fe7736cca0aac43;hb=1a5dafe20e47c764f2914c341fb7b8f1fba59fb8;hpb=1f09306906fbf57c05dccb27189264706cc64cfa

diff --git a/source/glsl/compiler.h b/source/glsl/compiler.h
index 29561407..0db1ca40 100644
--- a/source/glsl/compiler.h
+++ b/source/glsl/compiler.h
@@ -17,7 +17,8 @@ public:
 	enum Mode
 	{
 		MODULE,
-		PROGRAM
+		PROGRAM,
+		SPIRV
 	};
 
 private:
@@ -28,16 +29,24 @@ private:
 		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;
+	Module *module = 0;
 	std::vector<std::string> imported_names;
-	bool specialized;
+	bool compiled = false;
+	bool specialized = false;
 	std::map<std::string, int> spec_values;
 
 public:
-	/** Creates a compiler using features from the current OpenGL context. */
-	Compiler();
-
 	/** Creates a compiler targeting a specific set of features. */
 	Compiler(const Features &);
 
@@ -77,6 +86,10 @@ public:
 	GLSL suitable for OpenGL or an external GLSL compiler. */
 	std::string get_stage_glsl(Stage::Type) const;
 
+	/** Returns a combined SPIR-V binary for all shader stages.  The result is
+	suitable for use with OpenGL or Vulkan. */
+	std::vector<std::uint32_t> get_combined_spirv() const;
+
 	/** Returns a map of vertex attribute locations.  If the target GLSL version
 	supports interface layouts, the map is empty (locations are included in the
 	GLSL soucre). */
@@ -87,13 +100,24 @@ public:
 	GLSL soucre). */
 	const std::map<std::string, unsigned> &get_fragment_outputs() const;
 
+	/** Returns a map of texture bindings.  If the target GLSL version supports
+	bindings, the map is empty (bindings are included in the GLSL source). */
+	const std::map<std::string, unsigned> &get_texture_bindings() const;
+
+	/** Returns a map of uniform block bindings.  If the target GLSL version
+	supports bindings, the map is empty (bindings are included in the GLSL
+	source). */
+	const std::map<std::string, unsigned> &get_uniform_block_bindings() const;
+
+	unsigned get_n_clip_distances() const;
+
 	/** Returns the mapping of source indices to filenames.  Can be used to
 	translate error messages. */
 	const SourceMap &get_source_map() const;
 
 	/** Returns a textual representation of the syntax tree for a shader stage.
 	Intended for debugging purposes. */
-	std::string get_stage_debug(Stage::Type) const;
+	std::string get_stage_debug(Stage::Type, bool = false) const;
 
 	/** Returns diagnostics from compilation.  The output is intended to be
 	viewed by humans. */
@@ -101,19 +125,35 @@ public:
 
 private:
 	/** Appends a module to the target, processing any imports found in it. */
-	void append_module(Module &, DataFile::Collection *);
+	void append_module(const Module &, ModuleCache &);
 
 	/** Appends a single stage to the matching stage of the target. */
-	void append_stage(Stage &);
+	void append_stage(const Stage &);
 
 	/// Imports a module by name and appends it to the target. */
-	void import(DataFile::Collection *, const std::string &);
+	void import(ModuleCache &, const std::string &);
 
 	/** Generates any implicitly defines syntactic structures and resolves
 	variables. */
-	void generate(Stage &, Mode);
+	void generate(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);
+
+	/** Runs validators on a stage.  Diagnostic messages are recorded in the
+	stage for later inspection. */
+	void validate(Stage &);
+
+	/** Checks a stage's recorded diagnostics for errors.  If any are found,
+	returns true. */
+	bool check_errors(Stage &);
 
-	bool validate(Stage &);
+	static bool diagnostic_line_order(const Diagnostic &, const Diagnostic &);
 
 	/** Applies optimizations to a stage.  The return value indicates which
 	stage should be optimized next. */