1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //    http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef sw_Routine_hpp
16 #define sw_Routine_hpp
17 
18 namespace sw
19 {
20 	class RoutineManager;
21 
22 	class Routine
23 	{
24 		friend class RoutineManager;
25 
26 	public:
27 		Routine(int bufferSize);
28 		Routine(void *memory, int bufferSize, int offset);
29 
30 		~Routine();
31 
32 		void setFunctionSize(int functionSize);
33 
34 		const void *getBuffer();
35 		const void *getEntry();
36 		int getBufferSize();
37 		int getFunctionSize();   // Includes constants before the entry point
38 		int getCodeSize();       // Executable code only
39 		bool isDynamic();
40 
41 		void bind();
42 		void unbind();
43 
44 	private:
45 		void *buffer;
46 		const void *entry;
47 		int bufferSize;
48 		int functionSize;
49 
50 		volatile int bindCount;
51 		const bool dynamic;   // Generated or precompiled
52 	};
53 }
54 
55 #endif   // sw_Routine_hpp
56