| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef ANDROID_HARDWARE_MAPPING_H |
| #define ANDROID_HARDWARE_MAPPING_H |
| #include <android/hidl/memory/1.0/IMemory.h> |
| #include <hidl/HidlSupport.h> |
| |
| namespace android { |
| namespace hardware { |
| |
| /** |
| * Returns the IMemory instance corresponding to a hidl_memory object. |
| * If the shared memory cannot be fetched, this returns nullptr. |
| * |
| * Note, this method call is relatively expensive and does not cache conversions. |
| * It should only be done when initializing a buffer and not on every buffer read. |
| */ |
| sp<android::hidl::memory::V1_0::IMemory> mapMemory(const hidl_memory &memory); |
| |
| } // namespace hardware |
| } // namespace android |
| #endif |
