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 16 #ifndef UPDATER_UI_FBDEV_DRIVER_H 17 #define UPDATER_UI_FBDEV_DRIVER_H 18 19 #include <cstdint> 20 #include <linux/fb.h> 21 #include "macros.h" 22 #include "graphic_drv.h" 23 24 namespace Updater { 25 struct FbBufferObject { 26 uint32_t width {}; 27 uint32_t height {}; 28 uint32_t size {}; 29 void *vaddr {}; 30 }; 31 32 class FbdevDriver : public GraphicDrv { 33 DISALLOW_COPY_MOVE(FbdevDriver); 34 public: 35 FbdevDriver() = default; 36 ~FbdevDriver() override; 37 bool Init() override; 38 void Flip(const uint8_t *buf) override; 39 void GetGrSurface(GrSurface &surface) override; 40 private: 41 void FBLog() const; 42 void ReleaseFb(const struct FbBufferObject *fbo); 43 struct FbBufferObject buff_ {}; 44 struct fb_fix_screeninfo finfo_ {}; 45 struct fb_var_screeninfo vinfo_ {}; 46 }; 47 } // namespace Updater 48 #endif 49