1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_NATIVE_BUFFER_ADAPTER_H 17 #define OHOS_NATIVE_BUFFER_ADAPTER_H 18 19 #include <string> 20 #include <memory> 21 22 namespace OHOS::NWeb { 23 class NativeBufferConfigAdapter { 24 public: 25 NativeBufferConfigAdapter() = default; 26 27 virtual ~NativeBufferConfigAdapter() = default; 28 29 virtual int GetBufferWidth() = 0; 30 31 virtual int GetBufferHeight() = 0; 32 33 virtual int GetBufferFormat() = 0; 34 35 virtual int GetBufferUsage() = 0; 36 37 virtual int GetBufferStride() = 0; 38 39 virtual void SetBufferWidth(int width) = 0; 40 41 virtual void SetBufferHeight(int height) = 0; 42 43 virtual void SetBufferFormat(int format) = 0; 44 45 virtual void SetBufferUsage(int usage) = 0; 46 47 virtual void SetBufferStride(int stride) = 0; 48 }; 49 50 class OhosNativeBufferAdapter { 51 public: 52 OhosNativeBufferAdapter() = default; 53 54 virtual ~OhosNativeBufferAdapter() = default; 55 56 virtual void AcquireBuffer(void* buffer) = 0; 57 58 virtual void Release(void* buffer) = 0; 59 60 virtual int GetEGLBuffer(void* buffer, void** eglBuffer) = 0; 61 62 virtual int FreeEGLBuffer(void* eglBuffer) = 0; 63 64 virtual int NativeBufferFromNativeWindowBuffer(void* nativeWindowBuffer, void** nativeBuffer) = 0; 65 66 virtual uint32_t GetSeqNum(void* nativeBuffer) = 0; 67 68 virtual void Allocate(const std::shared_ptr<NativeBufferConfigAdapter> bufferConfig, void** outBuffer) = 0; 69 70 virtual void Describe(std::shared_ptr<NativeBufferConfigAdapter> bufferConfig, void* buffer) = 0; 71 72 virtual int Lock(void* buffer, 73 uint64_t usage, int32_t fence, void** out_virtual_address) = 0; 74 75 virtual int RecvHandleFromUnixSocket(int socketFd, void** outBuffer) = 0; 76 77 virtual int SendHandleToUnixSocket(const void* buffer, int socketFd) = 0; 78 79 virtual int Unlock(void* buffer, int32_t* fence) = 0; 80 81 virtual int FreeNativeBuffer(void* nativeBuffer) = 0; 82 }; 83 84 } // namespace OHOS::NWeb 85 86 #endif // OHOS_NATIVE_BUFFER_ADAPTER_H 87