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 <stdint.h> 20 #include "external_window.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #define MKMAGIC(a, b, c, d) (((a) << 24) + ((b) << 16) + ((c) << 8) + ((d) << 0)) 27 28 enum NativeObjectMagic { 29 NATIVE_OBJECT_MAGIC_WINDOW = MKMAGIC('W', 'I', 'N', 'D'), 30 NATIVE_OBJECT_MAGIC_WINDOW_BUFFER = MKMAGIC('W', 'B', 'U', 'F'), 31 }; 32 33 // pSurface type is OHOS::sptr<OHOS::Surface>* 34 OHNativeWindow* CreateNativeWindowFromSurface(void* pSurface); 35 void DestoryNativeWindow(OHNativeWindow* window); 36 37 // pSurfaceBuffer type is OHOS::sptr<OHOS::SurfaceBuffer>* 38 OHNativeWindowBuffer* CreateNativeWindowBufferFromSurfaceBuffer(void* pSurfaceBuffer); 39 void DestroyNativeWindowBuffer(OHNativeWindowBuffer* buffer); 40 41 int32_t NativeWindowRequestBuffer(OHNativeWindow *window, /* [out] */ OHNativeWindowBuffer **buffer, 42 /* [out] get release fence */ int *fenceFd); 43 int32_t NativeWindowFlushBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer, 44 int fenceFd, Region region); 45 int32_t NativeWindowCancelBuffer(OHNativeWindow *window, OHNativeWindowBuffer *buffer); 46 47 // The meaning and quantity of parameters vary according to the code type. 48 // For details, see the NativeWindowOperation comment. 49 int32_t NativeWindowHandleOpt(OHNativeWindow *window, int code, ...); 50 BufferHandle *GetBufferHandleFromNative(OHNativeWindowBuffer *buffer); 51 52 // NativeObject: NativeWindow, NativeWindowBuffer 53 int32_t NativeObjectReference(void *obj); 54 int32_t NativeObjectUnreference(void *obj); 55 int32_t GetNativeObjectMagic(void *obj); 56 57 int32_t NativeWindowSetScalingMode(OHNativeWindow *window, uint32_t sequence, OHScalingMode scalingMode); 58 int32_t NativeWindowSetMetaData(OHNativeWindow *window, uint32_t sequence, int32_t size, 59 const OHHDRMetaData *metaData); 60 int32_t NativeWindowSetMetaDataSet(OHNativeWindow *window, uint32_t sequence, OHHDRMetadataKey key, 61 int32_t size, const uint8_t *metaData); 62 int32_t NativeWindowSetTunnelHandle(OHNativeWindow *window, const OHExtDataHandle *handle); 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif