1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef FRAMEWORKS_OPENGL_WRAPPER_EGL_WRAPPER_LAYER_H 16 #define FRAMEWORKS_OPENGL_WRAPPER_EGL_WRAPPER_LAYER_H 17 #include <string> 18 #include <vector> 19 #include <EGL/egl.h> 20 #include "egl_defs.h" 21 22 namespace OHOS { 23 using GetNextLayerAddr = void *(*)(void *, const char *); 24 using LayerInitFunc = EglWrapperFuncPointer (*)(const void *, GetNextLayerAddr); 25 using LayerSetupFunc = EglWrapperFuncPointer (*)(const char *, EglWrapperFuncPointer); 26 using FunctionTable = std::map<std::string, EglWrapperFuncPointer>; 27 28 class EglWrapperLayer { 29 public: 30 static EglWrapperLayer& GetInstance(); 31 ~EglWrapperLayer(); 32 bool Init(EglWrapperDispatchTable *table); 33 34 private: EglWrapperLayer()35 EglWrapperLayer() : initialized_(false) {}; 36 bool LoadLayers(void); 37 void InitLayers(EglWrapperDispatchTable *table); 38 39 std::vector<LayerInitFunc> layerInit_; 40 std::vector<LayerSetupFunc> layerSetup_; 41 std::vector<FunctionTable> layerFuncTbl_; 42 bool initialized_; 43 }; 44 } // namespace OHOS 45 #endif // FRAMEWORKS_OPENGL_WRAPPER_EGL_WRAPPER_LAYER_H 46