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 32 namespace rsg 33 { 34 35 class GeneratorState; 36 37 class Variable 38 { 39 public: 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 70 private: 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