// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef sw_Routine_hpp
#define sw_Routine_hpp

namespace sw
{
	class RoutineManager;

	class Routine
	{
		friend class RoutineManager;

	public:
		Routine(int bufferSize);
		Routine(void *memory, int bufferSize, int offset);

		~Routine();

		void setFunctionSize(int functionSize);

		const void *getBuffer();
		const void *getEntry();
		int getBufferSize();
		int getFunctionSize();   // Includes constants before the entry point
		int getCodeSize();       // Executable code only
		bool isDynamic();

		void bind();
		void unbind();

	private:
		void *buffer;
		const void *entry;
		int bufferSize;
		int functionSize;

		volatile int bindCount;
		const bool dynamic;   // Generated or precompiled
	};
}

#endif   // sw_Routine_hpp