| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // An implementation of the subset of hardware buffers functionality required by |
| // NNAPI. The upstream implementation of hardware buffers can be found in the |
| // AOSP source file frameworks/native/libs/nativewindow/AHardwareBuffer.cpp. See |
| // https://android.googlesource.com/platform/frameworks/native/+/refs/heads/master/libs/nativewindow/AHardwareBuffer.cpp |
| |
| // Unused functions are left without any implementations. Should a future |
| // version of NNAPI need a new function, we will be notified through a link |
| // error. |
| |
| // android/log.h contains __INTRODUCED_IN() macro and must be included before |
| // hardware_buffer.h |
| #include <android/log.h> |
| #include <vndk/hardware_buffer.h> |
| |
| |
| int AHardwareBuffer_allocate(const AHardwareBuffer_Desc* /*desc*/, |
| AHardwareBuffer** /*outBuffer*/) { |
| return 0; |
| } |
| |
| int AHardwareBuffer_createFromHandle(const AHardwareBuffer_Desc* /*desc*/, |
| const native_handle_t* /*handle*/, |
| int32_t /*method*/, |
| AHardwareBuffer** /*outBuffer*/) { |
| return 0; |
| } |
| |
| void AHardwareBuffer_describe(const AHardwareBuffer* /*buffer*/, |
| AHardwareBuffer_Desc* /*outDesc*/) {} |
| |
| const native_handle_t* AHardwareBuffer_getNativeHandle( |
| const AHardwareBuffer* /*buffer*/) { |
| return nullptr; |
| } |
| |
| int AHardwareBuffer_lock(AHardwareBuffer* /*buffer*/, |
| uint64_t /*usage*/, |
| int32_t /*fence*/, |
| const ARect* /*rect*/, |
| void** /*outVirtualAddress*/) { |
| return 0; |
| } |
| |
| void AHardwareBuffer_release(AHardwareBuffer* /*buffer*/) {} |
| |
| int AHardwareBuffer_unlock(AHardwareBuffer* /*buffer*/, int32_t* /*fence*/) { |
| return 0; |
| } |