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: ~BufferInfoGetter()34 virtual ~BufferInfoGetter() { 35 } 36 37 virtual int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) = 0; 38 39 bool IsHandleUsable(buffer_handle_t handle); 40 41 static BufferInfoGetter *GetInstance(); 42 43 static bool IsDrmFormatRgb(uint32_t drm_format); 44 }; 45 46 class LegacyBufferInfoGetter : public BufferInfoGetter { 47 public: 48 using BufferInfoGetter::BufferInfoGetter; 49 50 int Init(); 51 52 int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) override = 0; 53 54 static LegacyBufferInfoGetter *CreateInstance(); 55 56 static uint32_t ConvertHalFormatToDrm(uint32_t hal_format); 57 const gralloc_module_t *gralloc_; 58 }; 59 60 #define LEGACY_BUFFER_INFO_GETTER(getter_) \ 61 LegacyBufferInfoGetter *LegacyBufferInfoGetter::CreateInstance() { \ 62 auto *instance = new getter_(); \ 63 if (!instance) \ 64 return NULL; \ 65 \ 66 int ret = instance->Init(); \ 67 if (ret) { \ 68 ALOGE("Failed to initialize the " #getter_ " getter %d", ret); \ 69 delete instance; \ 70 return NULL; \ 71 } \ 72 return instance; \ 73 } 74 75 } // namespace android 76 #endif 77