1#ifndef _RSGVARIABLE_HPP
2#define _RSGVARIABLE_HPP
3/*-------------------------------------------------------------------------
4 * drawElements Quality Program Random Shader Generator
5 * ----------------------------------------------------
6 *
7 * Copyright 2014 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief Variable class.
24 *//*--------------------------------------------------------------------*/
25
26#include "rsgDefs.hpp"
27#include "rsgVariableType.hpp"
28#include "rsgToken.hpp"
29
30#include <string>
31
32namespace rsg
33{
34
35class GeneratorState;
36
37class Variable
38{
39public:
40	enum Storage
41	{
42		STORAGE_LOCAL,
43		STORAGE_SHADER_IN,
44		STORAGE_SHADER_OUT,
45		STORAGE_UNIFORM,
46		STORAGE_CONST,
47		STORAGE_PARAMETER_IN,
48		STORAGE_PARAMETER_OUT,
49		STORAGE_PARAMETER_INOUT,
50
51		STORAGE_LAST
52	};
53
54								Variable			(const VariableType& type, Storage storage, const char* name);
55								~Variable			(void);
56
57	const VariableType&			getType				(void) const { return m_type;					}
58	Storage						getStorage			(void) const { return m_storage;				}
59	const char*					getName				(void) const { return m_name.c_str();			}
60	int							getLayoutLocation	(void) const { return m_layoutLocation;			}
61	bool						hasLayoutLocation	(void) const { return m_layoutLocation >= 0;	}
62
63	void						setStorage			(Storage storage)	{ m_storage = storage;			}
64	void						setLayoutLocation	(int location)		{ m_layoutLocation = location;	}
65
66	bool						isWritable			(void) const;
67
68	void						tokenizeDeclaration	(GeneratorState& state, TokenStream& str) const;
69
70private:
71	VariableType				m_type;
72	Storage						m_storage;
73	std::string					m_name;
74	int							m_layoutLocation;
75};
76
77} // rsg
78
79#endif // _RSGVARIABLE_HPP
80