1 /* 2 * Copyright (c) 2021-2022 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 NDK_INCLUDE_NATIVE_WINDOW_H_ 17 #define NDK_INCLUDE_NATIVE_WINDOW_H_ 18 19 #include "external_window.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #define MKMAGIC(a, b, c, d) (((a) << 24) + ((b) << 16) + ((c) << 8) + ((d) << 0)) 26 27 enum NativeObjectMagic { 28 NATIVE_OBJECT_MAGIC_WINDOW = MKMAGIC('W', 'I', 'N', 'D'), 29 NATIVE_OBJECT_MAGIC_WINDOW_BUFFER = MKMAGIC('W', 'B', 'U', 'F'), 30 }; 31 32 // pSurface type is OHOS::sptr<OHOS::Surface>* 33 OHNativeWindow* CreateNativeWindowFromSurface(void* pSurface); 34 void DestoryNativeWindow(OHNativeWindow* window); 35 36 // pSurfaceBuffer type is OHOS::sptr<OHOS::SurfaceBuffer>* 37 OHNativeWindowBuffer* CreateNativeWindowBufferFromSurfaceBuffer(void* pSurfaceBuffer); 38 void DestroyNativeWindowBuffer(OHNativeWindowBuffer* buffer); 39 40 int32_t NativeWindowRequestBuffer(OHNativeWindow *window, /* [out] */ OHNativeWindowBuffer **buffer, 41 /* [out] get release fence */ int *fenceFd); 42 int32_t NativeWindowFlushBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer, 43 int fenceFd, Region region); 44 int32_t NativeWindowCancelBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer); 45 46 // The meaning and quantity of parameters vary according to the code type. 47 // For details, see the NativeWindowOperation comment. 48 int32_t NativeWindowHandleOpt(OHNativeWindow *window, int code, ...); 49 BufferHandle *GetBufferHandleFromNative(OHNativeWindowBuffer *buffer); 50 51 // NativeObject: NativeWindow, NativeWindowBuffer 52 int32_t NativeObjectReference(void *obj); 53 int32_t NativeObjectUnreference(void *obj); 54 int32_t GetNativeObjectMagic(void *obj); 55 56 int32_t NativeWindowSetScalingMode(OHNativeWindow *window, uint32_t sequence, OHScalingMode scalingMode); 57 int32_t NativeWindowSetMetaData(OHNativeWindow *window, uint32_t sequence, int32_t size, 58 const OHHDRMetaData *metaData); 59 int32_t NativeWindowSetMetaDataSet(OHNativeWindow *window, uint32_t sequence, OHHDRMetadataKey key, 60 int32_t size, const uint8_t *metaData); 61 int32_t NativeWindowSetTunnelHandle(OHNativeWindow *window, const OHExtDataHandle *handle); 62 63 #ifdef __cplusplus 64 } 65 #endif 66 67 #endif