1 #ifndef _RSGEXECUTIONCONTEXT_HPP 2 #define _RSGEXECUTIONCONTEXT_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 Shader Execution Context. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "rsgDefs.hpp" 27 #include "rsgVariable.hpp" 28 #include "rsgVariableValue.hpp" 29 #include "rsgSamplers.hpp" 30 31 #include <vector> 32 #include <map> 33 34 namespace rsg 35 { 36 37 enum 38 { 39 EXEC_VEC_WIDTH = 64 40 }; 41 42 typedef ConstStridedValueAccess<EXEC_VEC_WIDTH> ExecConstValueAccess; 43 typedef StridedValueAccess<EXEC_VEC_WIDTH> ExecValueAccess; 44 typedef ValueStorage<EXEC_VEC_WIDTH> ExecValueStorage; 45 46 typedef std::map<const Variable*, ExecValueStorage*> VarValueMap; 47 48 class ExecMaskStorage 49 { 50 public: 51 ExecMaskStorage (bool initVal = true); 52 53 ExecValueAccess getValue (void); 54 ExecConstValueAccess getValue (void) const; 55 56 private: 57 Scalar m_data[EXEC_VEC_WIDTH]; 58 }; 59 60 class ExecutionContext 61 { 62 public: 63 ExecutionContext (const Sampler2DMap& samplers2D, const SamplerCubeMap& samplersCube); 64 ~ExecutionContext (void); 65 66 ExecValueAccess getValue (const Variable* variable); 67 const Sampler2D& getSampler2D (const Variable* variable) const; 68 const SamplerCube& getSamplerCube (const Variable* variable) const; 69 70 ExecConstValueAccess getExecutionMask (void) const; 71 72 void andExecutionMask (ExecConstValueAccess value); // Pushes computed value 73 void pushExecutionMask (ExecConstValueAccess value); 74 75 void popExecutionMask (void); 76 77 protected: 78 ExecutionContext (const ExecutionContext& other); 79 ExecutionContext& operator= (const ExecutionContext& other); 80 81 VarValueMap m_varValues; 82 const Sampler2DMap& m_samplers2D; 83 const SamplerCubeMap& m_samplersCube; 84 std::vector<ExecMaskStorage> m_execMaskStack; 85 }; 86 87 void assignMasked (ExecValueAccess dst, ExecConstValueAccess src, ExecConstValueAccess mask); 88 89 } // rsg 90 91 #endif // _RSGEXECUTIONCONTEXT_HPP 92