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 "drm/DrmDevice.h" 24 #include "drmhwcgralloc.h" 25 26 #ifndef DRM_FORMAT_INVALID 27 #define DRM_FORMAT_INVALID 0 28 #endif 29 30 namespace android { 31 32 class BufferInfoGetter { 33 public: 34 virtual ~BufferInfoGetter() = default; 35 36 virtual int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) = 0; 37 38 bool IsHandleUsable(buffer_handle_t handle); 39 40 static BufferInfoGetter *GetInstance(); 41 42 static bool IsDrmFormatRgb(uint32_t drm_format); 43 }; 44 45 class LegacyBufferInfoGetter : public BufferInfoGetter { 46 public: 47 using BufferInfoGetter::BufferInfoGetter; 48 49 int Init(); 50 ValidateGralloc()51 virtual int ValidateGralloc() { 52 return 0; 53 } 54 55 static std::unique_ptr<LegacyBufferInfoGetter> CreateInstance(); 56 57 static uint32_t ConvertHalFormatToDrm(uint32_t hal_format); 58 59 // NOLINTNEXTLINE:(readability-identifier-naming) 60 const gralloc_module_t *gralloc_; 61 }; 62 63 #ifdef DISABLE_LEGACY_GETTERS 64 #define LEGACY_BUFFER_INFO_GETTER(getter_) 65 #else 66 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 67 #define LEGACY_BUFFER_INFO_GETTER(getter_) \ 68 std::unique_ptr<LegacyBufferInfoGetter> \ 69 LegacyBufferInfoGetter::CreateInstance() { \ 70 auto instance = std::make_unique<getter_>(); \ 71 if (instance) { \ 72 int err = instance->Init(); \ 73 if (err) { \ 74 ALOGE("Failed to initialize the " #getter_ " getter %d", err); \ 75 instance.reset(); \ 76 } \ 77 err = instance->ValidateGralloc(); \ 78 if (err) { \ 79 instance.reset(); \ 80 } \ 81 } \ 82 return std::move(instance); \ 83 } 84 #endif 85 86 } // namespace android 87 #endif 88