Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 1 | #ifndef _RSGGENERATORSTATE_HPP |
| 2 | #define _RSGGENERATORSTATE_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 Generator state. |
| 24 | *//*--------------------------------------------------------------------*/ |
| 25 | |
| 26 | #include "rsgDefs.hpp" |
| 27 | #include "rsgParameters.hpp" |
| 28 | #include "deRandom.hpp" |
| 29 | #include "rsgNameAllocator.hpp" |
| 30 | |
| 31 | #include <vector> |
| 32 | |
| 33 | namespace rsg |
| 34 | { |
| 35 | |
| 36 | class Shader; |
| 37 | class VariableManager; |
| 38 | class VariableType; |
| 39 | class Statement; |
| 40 | |
| 41 | enum ExpressionFlags |
| 42 | { |
| 43 | CONST_EXPR = (1<<0), |
| 44 | NO_VAR_ALLOCATION = (1<<1) |
| 45 | }; |
| 46 | |
| 47 | enum |
| 48 | { |
| 49 | PRECEDENCE_MAX = 100 |
| 50 | }; |
| 51 | |
| 52 | class GeneratorState |
| 53 | { |
| 54 | public: |
| 55 | GeneratorState (const ProgramParameters& programParams, de::Random& random); |
| 56 | ~GeneratorState (void); |
| 57 | |
| 58 | const ProgramParameters& getProgramParameters (void) const { return m_programParams; } |
| 59 | de::Random& getRandom (void) { return m_random; } |
| 60 | |
| 61 | const ShaderParameters& getShaderParameters (void) const { return *m_shaderParams; } |
| 62 | Shader& getShader (void) { return *m_shader; } |
| 63 | |
| 64 | void setShader (const ShaderParameters& params, Shader& shader); |
| 65 | |
| 66 | NameAllocator& getNameAllocator (void) { return m_nameAllocator; } |
| 67 | VariableManager& getVariableManager (void) { return *m_varManager; } |
| 68 | const VariableManager& getVariableManager (void) const { return *m_varManager; } |
| 69 | void setVariableManager (VariableManager& varManager) { m_varManager = &varManager; } |
| 70 | |
| 71 | // \todo [2011-06-10 pyry] Could we not expose whole statement stack to everyone? |
| 72 | int getStatementDepth (void) const { return (int)m_statementStack->size(); } |
| 73 | void setStatementStack (std::vector<Statement*>& stack) { m_statementStack = &stack; } |
| 74 | const Statement* getStatementStackEntry (int ndx) const { return m_statementStack->at(ndx); } |
| 75 | |
| 76 | int getExpressionDepth (void) const { return m_expressionDepth; } |
| 77 | void setExpressionDepth (int depth) { m_expressionDepth = depth; } |
| 78 | |
| 79 | // \todo [2011-03-21 pyry] A bit of a hack... Move to ValueRange? |
| 80 | deUint32 getExpressionFlags (void) const { return m_exprFlagStack.back(); } |
| 81 | void pushExpressionFlags (deUint32 flags) { m_exprFlagStack.push_back(flags); } |
| 82 | void popExpressionFlags (void) { m_exprFlagStack.pop_back(); } |
| 83 | |
| 84 | int getPrecedence (void) const { return m_precedenceStack.back(); } |
| 85 | void pushPrecedence (int precedence) { m_precedenceStack.push_back(precedence); } |
| 86 | void popPrecedence (void) { m_precedenceStack.pop_back(); } |
| 87 | |
| 88 | private: |
| 89 | const ProgramParameters& m_programParams; |
| 90 | de::Random& m_random; |
| 91 | |
| 92 | const ShaderParameters* m_shaderParams; |
| 93 | Shader* m_shader; |
| 94 | |
| 95 | NameAllocator m_nameAllocator; |
| 96 | VariableManager* m_varManager; |
| 97 | |
| 98 | std::vector<Statement*>* m_statementStack; |
| 99 | int m_expressionDepth; |
| 100 | std::vector<deUint32> m_exprFlagStack; |
| 101 | std::vector<int> m_precedenceStack; |
| 102 | }; |
| 103 | |
| 104 | } // rsg |
| 105 | |
| 106 | #endif // _RSGGENERATORSTATE_HPP |