1 /* 2 * Copyright (c) 2021 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 INCLUDE_BUFFER_HANDLE_H 17 #define INCLUDE_BUFFER_HANDLE_H 18 19 /** 20 * @addtogroup NativeWindow 21 * @{ 22 * 23 * @brief Provides the BufferHandle struct for native window. 24 * 25 * @syscap SystemCapability.Graphic.Graphic2D.NativeWindow 26 * @since 8 27 * @version 1.0 28 */ 29 30 /** 31 * @file buffer_handle.h 32 * 33 * @brief Defines the BufferHandle struct for native window. 34 * 35 * @kit ArkGraphics2D 36 * @library libnative_window.so 37 * @syscap SystemCapability.Graphic.Graphic2D.NativeWindow 38 * @since 8 39 * @version 1.0 40 */ 41 42 #include <stdint.h> 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 typedef struct { 49 int32_t fd; /**< buffer fd, -1 if not supported */ 50 int32_t width; /**< the width of memory */ 51 int32_t stride; /**< the stride of memory */ 52 int32_t height; /**< the height of memory */ 53 int32_t size; /* < size of memory */ 54 int32_t format; /**< the format of memory */ 55 uint64_t usage; /**< the usage of memory */ 56 void *virAddr; /**< Virtual address of memory */ 57 int32_t key; /**< Shared memory key */ 58 uint64_t phyAddr; /**< Physical address */ 59 uint32_t reserveFds; /**< the number of reserved fd value */ 60 uint32_t reserveInts; /**< the number of reserved integer value */ 61 int32_t reserve[0]; /**< the data */ 62 } BufferHandle; 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif // INCLUDE_BUFFER_HANDLE_H 69