1/* 2 * Copyright (c) 2025 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 16package ohos.hdi.display.buffer.v1_3; 17import ohos.hdi.display.buffer.v1_0.DisplayBufferType; 18import ohos.hdi.display.buffer.v1_2.DisplayBufferType; 19import ohos.hdi.display.buffer.v1_2.IMapper; 20 21interface IMapper extends ohos.hdi.display.buffer.v1_2.IMapper { 22 /** 23 * @brief the function to alloc memory 24 * 25 * @param info describs the buffer to be alloced 26 * @param handle the allocated buffer handle 27 * 28 * @return Returns <b>0</b> if the operation is successful; returns an error code defined 29 * in {@link DispErrCode} otherwise. 30 * @since 6.0 31 * @version 1.3 32 */ 33 AllocMem([in] struct AllocInfo info, [out] NativeBuffer handle); 34 /** 35 * @brief the function to alloc memory 36 * 37 * @param info describs the buffer to be alloced 38 * @param handle the allocated buffer handle 39 * 40 * @return Returns <b>0</b> if the operation is successful; returns an error code defined 41 * in {@link DispErrCode} otherwise. 42 * @since 6.0 43 * @version 1.0 44 */ 45 ReAllocMem([in] struct AllocInfo info, [in] NativeBuffer inHandle, [out] NativeBuffer outHandle); 46 /** 47 * @brief the function to passthrough， do not use ipc 48 * 49 * @param info describs the buffer to be passthrough 50 * 51 * @return Returns <b>0</b> if the operation is successful; returns an error code defined 52 * in {@link DispErrCode} otherwise. 53 * @since 6.0 54 * @version 1.0 55 */ 56 IsSupportAllocPassthrough([in] struct AllocInfo info); 57} 58