X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fmodule.h;h=2a4cac6b06758faa45910ffa48c463b271ee07eb;hb=11a5d4f2a35dfdcf61e16d4fcfba22e20ea6a3db;hp=c669af0506ab64d26b25bf504ec28533e7e1cf92;hpb=5cbd8664a7300d0c0076862572adeda9955b1c97;p=libs%2Fgl.git

diff --git a/source/core/module.h b/source/core/module.h
index c669af05..2a4cac6b 100644
--- a/source/core/module.h
+++ b/source/core/module.h
@@ -94,6 +94,8 @@ forming the module's interface.
 */
 class SpirVModule: public Module, public SpirVModuleBackend
 {
+	friend SpirVModuleBackend;
+
 public:
 	enum Stage
 	{
@@ -127,6 +129,7 @@ public:
 	struct EntryPoint
 	{
 		std::string name;
+		unsigned id = 0;
 		Stage stage = VERTEX;
 		std::vector<const Variable *> globals;
 	};
@@ -146,16 +149,18 @@ public:
 	struct Structure
 	{
 		std::string name;
-		std::vector<StructMember> members;
+		unsigned id = 0;
 		unsigned size = 0;
+		std::vector<StructMember> members;
 	};
 
 	struct Variable
 	{
 		std::string name;
-		StorageClass storage = static_cast<StorageClass>(-1);
+		unsigned id = 0;
 		DataType type = VOID;
 		const Structure *struct_type = 0;
+		StorageClass storage = static_cast<StorageClass>(-1);
 		unsigned array_size = 0;
 		int location = -1;
 		unsigned descriptor_set = 0;
@@ -168,6 +173,7 @@ public:
 	struct Constant
 	{
 		std::string name;
+		unsigned id = 0;
 		int constant_id = -1;
 		DataType type = VOID;
 		union
@@ -177,6 +183,15 @@ public:
 		};
 	};
 
+	struct InstructionBlock
+	{
+		unsigned id = 0;
+		bool negate_condition = false;
+		const Constant *condition = 0;
+		std::vector<const Variable *> accessed_variables;
+		std::vector<const InstructionBlock *> successors;
+	};
+
 private:
 	struct TypeInfo
 	{
@@ -197,6 +212,10 @@ private:
 		std::map<unsigned, EntryPoint> entry_points;
 		std::map<unsigned, Structure> structs;
 		std::map<unsigned, Variable> variables;
+		std::map<unsigned, InstructionBlock> blocks;
+		std::map<unsigned, unsigned> access_chain_bases;
+		Constant true_condition;
+		InstructionBlock *current_block = 0;
 
 		static std::uint32_t get_opcode(std::uint32_t);
 		static CodeIterator get_op_end(const CodeIterator &);
@@ -219,8 +238,13 @@ private:
 		void reflect_pointer_type(CodeIterator);
 		void reflect_constant(CodeIterator);
 		void reflect_variable(CodeIterator);
+		void reflect_access(CodeIterator);
+		void reflect_access_chain(CodeIterator);
 		void reflect_decorate(CodeIterator);
 		void reflect_member_decorate(CodeIterator);
+		void reflect_label(CodeIterator);
+		void reflect_branch(CodeIterator);
+		void reflect_branch_conditional(CodeIterator);
 	};
 
 	std::vector<std::uint32_t> code;
@@ -228,6 +252,7 @@ private:
 	std::vector<Structure> structs;
 	std::vector<Variable> variables;
 	std::vector<Constant> spec_constants;
+	std::vector<InstructionBlock> blocks;
 
 public:
 	virtual Format get_format() const { return SPIR_V; }
@@ -243,6 +268,14 @@ public:
 	const std::vector<EntryPoint> &get_entry_points() const { return entry_points; }
 	const std::vector<Variable> &get_variables() const { return variables; }
 	const std::vector<Constant> &get_spec_constants() const { return spec_constants; }
+	const std::vector<InstructionBlock> &get_blocks() const { return blocks; }
+
+	/** Creates a new module which is a specialized version of this one. */
+	SpirVModule *specialize(const std::map<std::string, int> &) const;
+
+private:
+	std::vector<const InstructionBlock *> collect_visited_blocks(const std::map<unsigned, int> &) const;
+	void collect_visited_blocks(unsigned, std::vector<std::uint8_t> &) const;
 };
 
 } // namespace GL