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 constexpr int EXEC_VEC_WIDTH = 64; 38 39 typedef ConstStridedValueAccess<EXEC_VEC_WIDTH> ExecConstValueAccess; 40 typedef StridedValueAccess<EXEC_VEC_WIDTH> ExecValueAccess; 41 typedef ValueStorage<EXEC_VEC_WIDTH> ExecValueStorage; 42 43 typedef std::map<const Variable *, ExecValueStorage *> VarValueMap; 44 45 class ExecMaskStorage 46 { 47 public: 48 ExecMaskStorage(bool initVal = true); 49 50 ExecValueAccess getValue(void); 51 ExecConstValueAccess getValue(void) const; 52 53 private: 54 Scalar m_data[EXEC_VEC_WIDTH]; 55 }; 56 57 class ExecutionContext 58 { 59 public: 60 ExecutionContext(const Sampler2DMap &samplers2D, const SamplerCubeMap &samplersCube); 61 ~ExecutionContext(void); 62 63 ExecValueAccess getValue(const Variable *variable); 64 const Sampler2D &getSampler2D(const Variable *variable) const; 65 const SamplerCube &getSamplerCube(const Variable *variable) const; 66 67 ExecConstValueAccess getExecutionMask(void) const; 68 69 void andExecutionMask(ExecConstValueAccess value); // Pushes computed value 70 void pushExecutionMask(ExecConstValueAccess value); 71 72 void popExecutionMask(void); 73 74 protected: 75 ExecutionContext(const ExecutionContext &other); 76 ExecutionContext &operator=(const ExecutionContext &other); 77 78 VarValueMap m_varValues; 79 const Sampler2DMap &m_samplers2D; 80 const SamplerCubeMap &m_samplersCube; 81 std::vector<ExecMaskStorage> m_execMaskStack; 82 }; 83 84 void assignMasked(ExecValueAccess dst, ExecConstValueAccess src, ExecConstValueAccess mask); 85 86 } // namespace rsg 87 88 #endif // _RSGEXECUTIONCONTEXT_HPP 89