1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_BUFFERINFOGETTER_H_ 18 #define ANDROID_BUFFERINFOGETTER_H_ 19 20 #include <drm/drm_fourcc.h> 21 #include <hardware/gralloc.h> 22 23 #include <optional> 24 25 #include "BufferInfo.h" 26 #include "drm/DrmDevice.h" 27 28 #ifndef DRM_FORMAT_INVALID 29 #define DRM_FORMAT_INVALID 0 30 #endif 31 32 namespace android { 33 34 using BufferUniqueId = uint64_t; 35 36 class BufferInfoGetter { 37 public: 38 virtual ~BufferInfoGetter() = default; 39 40 virtual auto GetBoInfo(buffer_handle_t handle) 41 -> std::optional<BufferInfo> = 0; 42 43 virtual std::optional<BufferUniqueId> GetUniqueId(buffer_handle_t handle); 44 45 static BufferInfoGetter *GetInstance(); 46 47 static bool IsDrmFormatRgb(uint32_t drm_format); 48 }; 49 50 class LegacyBufferInfoGetter : public BufferInfoGetter { 51 public: 52 using BufferInfoGetter::BufferInfoGetter; 53 54 int Init(); 55 ValidateGralloc()56 virtual int ValidateGralloc() { 57 return 0; 58 } 59 60 static std::unique_ptr<LegacyBufferInfoGetter> CreateInstance(); 61 62 static uint32_t ConvertHalFormatToDrm(uint32_t hal_format); 63 64 // NOLINTNEXTLINE:(readability-identifier-naming) 65 const gralloc_module_t *gralloc_; 66 }; 67 68 #ifdef DISABLE_LEGACY_GETTERS 69 #define LEGACY_BUFFER_INFO_GETTER(getter_) 70 #else 71 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 72 #define LEGACY_BUFFER_INFO_GETTER(getter_) \ 73 std::unique_ptr<LegacyBufferInfoGetter> \ 74 LegacyBufferInfoGetter::CreateInstance() { \ 75 auto instance = std::make_unique<getter_>(); \ 76 if (instance) { \ 77 int err = instance->Init(); \ 78 if (err) { \ 79 ALOGE("Failed to initialize the " #getter_ " getter %d", err); \ 80 instance.reset(); \ 81 } \ 82 err = instance->ValidateGralloc(); \ 83 if (err) { \ 84 instance.reset(); \ 85 } \ 86 } \ 87 return std::move(instance); \ 88 } 89 #endif 90 91 } // namespace android 92 #endif 93