X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramcompiler.h;h=0bff354a50571128a0fa31bed3dbe8c935a0b1dc;hp=56bf1d538fc1be3069f1ed816547fbbc20638585;hb=HEAD;hpb=91d3eac06389c0bb0363f643790581403b5fca1b

diff --git a/source/programcompiler.h b/source/programcompiler.h
deleted file mode 100644
index 56bf1d53..00000000
--- a/source/programcompiler.h
+++ /dev/null
@@ -1,405 +0,0 @@
-#ifndef MSP_GL_PROGRAMCOMPILER_H_
-#define MSP_GL_PROGRAMCOMPILER_H_
-
-#include <set>
-#include "programparser.h"
-#include "programsyntax.h"
-
-namespace Msp {
-namespace GL {
-
-class Program;
-class Resources;
-
-class ProgramCompiler
-{
-private:
-	struct Visitor: ProgramSyntax::TraversingVisitor
-	{
-		typedef void ResultType;
-
-		ProgramSyntax::Stage *stage;
-
-		Visitor();
-
-		virtual void apply(ProgramSyntax::Stage &);
-		void get_result() const { }
-	};
-
-	struct BlockModifier: Visitor
-	{
-		bool remove_node;
-		std::vector<RefPtr<ProgramSyntax::Node> > insert_nodes;
-
-		BlockModifier();
-
-		void flatten_block(ProgramSyntax::Block &);
-		void apply_and_increment(ProgramSyntax::Block &, std::list<RefPtr<ProgramSyntax::Node> >::iterator &);
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-	};
-
-	struct Formatter: Visitor
-	{
-		typedef std::string ResultType;
-
-		std::string formatted;
-		unsigned indent;
-		bool parameter_list;
-		unsigned else_if;
-		std::string block_interface;
-
-		Formatter();
-
-		virtual void apply(ProgramSyntax::Stage &);
-		const std::string &get_result() const { return formatted; }
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::Literal &);
-		virtual void visit(ProgramSyntax::ParenthesizedExpression &);
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::MemberAccess &);
-		virtual void visit(ProgramSyntax::UnaryExpression &);
-		virtual void visit(ProgramSyntax::BinaryExpression &);
-		virtual void visit(ProgramSyntax::Assignment &);
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::ExpressionStatement &);
-		virtual void visit(ProgramSyntax::Import &);
-		virtual void visit(ProgramSyntax::Precision &);
-		virtual void visit(ProgramSyntax::Layout &);
-		virtual void visit(ProgramSyntax::InterfaceLayout &);
-		virtual void visit(ProgramSyntax::StructDeclaration &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::InterfaceBlock &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-		virtual void visit(ProgramSyntax::Conditional &);
-		virtual void visit(ProgramSyntax::Iteration &);
-		virtual void visit(ProgramSyntax::Return &);
-		virtual void visit(ProgramSyntax::Jump &);
-	};
-
-	template<typename T>
-	struct NodeGatherer: Visitor
-	{
-		typedef std::vector<T *> ResultType;
-
-		std::vector<T *> nodes;
-
-		const ResultType &get_result() const { return nodes; }
-		using Visitor::visit;
-		virtual void visit(T &n) { nodes.push_back(&n); }
-	};
-
-	struct DeclarationCombiner: BlockModifier
-	{
-		bool toplevel;
-		std::map<std::string, std::vector<ProgramSyntax::FunctionDeclaration *> > functions;
-		std::map<std::string, ProgramSyntax::VariableDeclaration *> variables;
-
-		DeclarationCombiner();
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-	};
-
-	struct VariableResolver: Visitor
-	{
-		std::vector<ProgramSyntax::Block *> blocks;
-		ProgramSyntax::StructDeclaration *type;
-		bool anonymous;
-		std::string block_interface;
-		bool record_target;
-		ProgramSyntax::VariableDeclaration *assignment_target;
-		bool self_referencing;
-
-		VariableResolver();
-
-		virtual void apply(ProgramSyntax::Stage &);
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::MemberAccess &);
-		virtual void visit(ProgramSyntax::BinaryExpression &);
-		virtual void visit(ProgramSyntax::Assignment &);
-		virtual void visit(ProgramSyntax::StructDeclaration &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::InterfaceBlock &);
-	};
-
-	struct FunctionResolver: Visitor
-	{
-		std::map<std::string, std::vector<ProgramSyntax::FunctionDeclaration *> > functions;
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-	};
-
-	struct InterfaceGenerator: BlockModifier
-	{
-		std::string in_prefix;
-		std::string out_prefix;
-		unsigned scope_level;
-		std::map<std::string, RefPtr<ProgramSyntax::VariableDeclaration> > iface_declarations;
-
-		InterfaceGenerator();
-
-		static std::string get_out_prefix(ProgramSyntax::StageType);
-		virtual void apply(ProgramSyntax::Stage &);
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		std::string change_prefix(const std::string &, const std::string &) const;
-		bool generate_interface(ProgramSyntax::VariableDeclaration &, const std::string &, const std::string &);
-		void insert_assignment(const std::string &, ProgramSyntax::Expression *);
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::Passthrough &);
-	};
-
-	struct DeclarationReorderer: Visitor
-	{
-		enum DeclarationKind
-		{
-			NO_DECLARATION,
-			LAYOUT,
-			STRUCT,
-			VARIABLE,
-			FUNCTION
-		};
-
-		unsigned scope_level;
-		DeclarationKind kind;
-		std::set<ProgramSyntax::Node *> ordered_funcs;
-		std::set<ProgramSyntax::Node *> needed_funcs;
-
-		DeclarationReorderer();
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::InterfaceLayout &) { kind = LAYOUT; }
-		virtual void visit(ProgramSyntax::StructDeclaration &) { kind = STRUCT; }
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::InterfaceBlock &) { kind = VARIABLE; }
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-	};
-
-	struct InlineableFunctionLocator: Visitor
-	{
-		typedef std::set<ProgramSyntax::FunctionDeclaration *> ResultType;
-
-		std::map<ProgramSyntax::FunctionDeclaration *, unsigned> refcounts;
-		std::set<ProgramSyntax::FunctionDeclaration *> inlineable;
-		ProgramSyntax::FunctionDeclaration *in_function;
-
-		InlineableFunctionLocator();
-
-		const ResultType &get_result() const { return inlineable; }
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-	};
-
-	struct FunctionInliner: Visitor
-	{
-		std::set<ProgramSyntax::FunctionDeclaration *> inlineable;
-		unsigned extract_result;
-		RefPtr<ProgramSyntax::Expression> inline_result;
-
-		FunctionInliner();
-		FunctionInliner(const std::set<ProgramSyntax::FunctionDeclaration *> &);
-
-		void visit_and_inline(RefPtr<ProgramSyntax::Expression> &);
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::UnaryExpression &);
-		virtual void visit(ProgramSyntax::BinaryExpression &);
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::Return &);
-	};
-
-	struct ExpressionEvaluator: ProgramSyntax::NodeVisitor
-	{
-		typedef std::map<ProgramSyntax::VariableDeclaration *, ProgramSyntax::Expression *> ValueMap;
-
-		const ValueMap *variable_values;
-		float result;
-		bool result_valid;
-
-		ExpressionEvaluator();
-		ExpressionEvaluator(const ValueMap &);
-
-		using ProgramSyntax::NodeVisitor::visit;
-		virtual void visit(ProgramSyntax::Literal &);
-		virtual void visit(ProgramSyntax::ParenthesizedExpression &);
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::UnaryExpression &);
-		virtual void visit(ProgramSyntax::BinaryExpression &);
-	};
-
-	struct ConstantConditionEliminator: BlockModifier
-	{
-		unsigned scope_level;
-		ExpressionEvaluator::ValueMap variable_values;
-
-		ConstantConditionEliminator();
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::Assignment &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::Conditional &);
-		virtual void visit(ProgramSyntax::Iteration &);
-	};
-
-	struct UnusedVariableLocator: Visitor
-	{
-		struct VariableInfo
-		{
-			bool local;
-			std::vector<ProgramSyntax::Node *> assignments;
-			bool conditionally_assigned;
-			bool referenced;
-
-			VariableInfo();
-		};
-
-		typedef std::set<ProgramSyntax::Node *> ResultType;
-		typedef std::map<ProgramSyntax::VariableDeclaration *, VariableInfo> BlockVariableMap;
-
-		std::set<ProgramSyntax::Node *> unused_nodes;
-		std::map<ProgramSyntax::VariableDeclaration *, ProgramSyntax::Node *> aggregates;
-		ProgramSyntax::Node *aggregate;
-		std::vector<BlockVariableMap> variables;
-		ProgramSyntax::Assignment *assignment;
-		bool assignment_target;
-		bool global_scope;
-
-		UnusedVariableLocator();
-
-		virtual void apply(ProgramSyntax::Stage &);
-		const ResultType &get_result() const { return unused_nodes; }
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::MemberAccess &);
-		virtual void visit(ProgramSyntax::BinaryExpression &);
-		virtual void visit(ProgramSyntax::Assignment &);
-		void record_assignment(ProgramSyntax::VariableDeclaration &, ProgramSyntax::Node &, bool);
-		void clear_assignments(VariableInfo &, bool);
-		virtual void visit(ProgramSyntax::ExpressionStatement &);
-		virtual void visit(ProgramSyntax::StructDeclaration &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		virtual void visit(ProgramSyntax::InterfaceBlock &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-		void merge_down_variables();
-		virtual void visit(ProgramSyntax::Conditional &);
-		virtual void visit(ProgramSyntax::Iteration &);
-	};
-
-	struct UnusedFunctionLocator: Visitor
-	{
-		typedef std::set<ProgramSyntax::Node *> ResultType;
-
-		std::set<ProgramSyntax::Node *> unused_nodes;
-		std::set<ProgramSyntax::FunctionDeclaration *> used_definitions;
-
-		const ResultType &get_result() const { return unused_nodes; }
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		virtual void visit(ProgramSyntax::FunctionDeclaration &);
-	};
-
-	struct NodeRemover: Visitor
-	{
-		std::set<ProgramSyntax::Node *> to_remove;
-
-		NodeRemover() { }
-		NodeRemover(const std::set<ProgramSyntax::Node *> &);
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-	};
-
-	struct PrecisionRemover: BlockModifier
-	{
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Precision &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-	};
-
-	struct DefaultPrecisionGenerator: BlockModifier
-	{
-		bool toplevel;
-		std::set<std::string> have_default;
-
-		DefaultPrecisionGenerator();
-
-		using Visitor::visit;
-		virtual void visit(ProgramSyntax::Block &);
-		virtual void visit(ProgramSyntax::Precision &);
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-	};
-
-	struct LegacyConverter: BlockModifier
-	{
-		GLApi target_api;
-		Version target_version;
-		std::string type;
-		ProgramSyntax::VariableDeclaration *frag_out;
-
-		LegacyConverter();
-		LegacyConverter(const Version &);
-
-		bool check_version(const Version &) const;
-		using Visitor::visit;
-		bool supports_unified_interface_syntax() const;
-		virtual void visit(ProgramSyntax::VariableReference &);
-		virtual void visit(ProgramSyntax::Assignment &);
-		bool supports_unified_sampling_functions() const;
-		virtual void visit(ProgramSyntax::FunctionCall &);
-		bool supports_interface_layouts() const;
-		bool supports_centroid_sampling() const;
-		bool supports_sample_sampling() const;
-		virtual void visit(ProgramSyntax::VariableDeclaration &);
-		bool supports_interface_blocks(const std::string &) const;
-		virtual void visit(ProgramSyntax::InterfaceBlock &);
-	};
-
-	Resources *resources;
-	ProgramSyntax::Module *module;
-	std::set<std::string> imported_names;
-
-public:
-	ProgramCompiler();
-	~ProgramCompiler();
-
-	void compile(const std::string &, const std::string & = "<string>");
-	void compile(IO::Base &, Resources * = 0, const std::string & = "<file>");
-	void compile(IO::Base &, const std::string &);
-	void add_shaders(Program &);
-
-private:
-	static ProgramSyntax::Module *create_builtins_module();
-	static ProgramSyntax::Module &get_builtins_module();
-	static ProgramSyntax::Stage *get_builtins(ProgramSyntax::StageType);
-	void append_module(ProgramSyntax::Module &);
-	void append_stage(ProgramSyntax::Stage &);
-	void process();
-	void import(const std::string &);
-	void generate(ProgramSyntax::Stage &);
-	bool optimize(ProgramSyntax::Stage &);
-	void finalize(ProgramSyntax::Stage &);
-	static void inject_block(ProgramSyntax::Block &, const ProgramSyntax::Block &);
-	template<typename T>
-	static typename T::ResultType apply(ProgramSyntax::Stage &);
-	template<typename T, typename A>
-	static typename T::ResultType apply(ProgramSyntax::Stage &, const A &);
-};
-
-} // namespace GL
-} // namespace Msp
-
-#endif