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 21 namespace OHOS::NWeb { 22 class NativeBufferConfigAdapter { 23 public: 24 NativeBufferConfigAdapter() = default; 25 26 virtual ~NativeBufferConfigAdapter() = default; 27 28 virtual int GetBufferWidth() = 0; 29 30 virtual int GetBufferHeight() = 0; 31 32 virtual int GetBufferFormat() = 0; 33 34 virtual int GetBufferUsage() = 0; 35 36 virtual int GetBufferStride() = 0; 37 38 virtual void SetBufferWidth(int width) = 0; 39 40 virtual void SetBufferHeight(int height) = 0; 41 42 virtual void SetBufferFormat(int format) = 0; 43 44 virtual void SetBufferUsage(int usage) = 0; 45 46 virtual void SetBufferStride(int stride) = 0; 47 }; 48 49 class OhosNativeBufferAdapter { 50 public: 51 OhosNativeBufferAdapter() = default; 52 53 virtual ~OhosNativeBufferAdapter() = default; 54 55 virtual void AcquireBuffer(void* buffer) = 0; 56 57 virtual void Release(void* buffer) = 0; 58 59 virtual int GetEGLBuffer(void* buffer, void** eglBuffer) = 0; 60 61 virtual int FreeEGLBuffer(void* eglBuffer) = 0; 62 63 virtual int NativeBufferFromNativeWindowBuffer(void* nativeWindowBuffer, void** nativeBuffer) = 0; 64 65 virtual uint32_t GetSeqNum(void* nativeBuffer) = 0; 66 67 virtual void Allocate(const std::shared_ptr<NativeBufferConfigAdapter> bufferConfig, void** outBuffer) = 0; 68 69 virtual void Describe(std::shared_ptr<NativeBufferConfigAdapter> bufferConfig, void* buffer) = 0; 70 71 virtual int Lock(void* buffer, 72 uint64_t usage, int32_t fence, void** out_virtual_address) = 0; 73 74 virtual int RecvHandleFromUnixSocket(int socketFd, void** outBuffer) = 0; 75 76 virtual int SendHandleToUnixSocket(const void* buffer, int socketFd) = 0; 77 78 virtual int Unlock(void* buffer, int32_t* fence) = 0; 79 80 virtual int FreeNativeBuffer(void* nativeBuffer) = 0; 81 }; 82 83 } // namespace OHOS::NWeb 84 85 #endif // OHOS_NATIVE_BUFFER_ADAPTER_H 86