1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H 18 #define ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H 19 20 // vndk is a superset of the NDK 21 #include <android/hardware_buffer.h> 22 23 #include <cutils/native_handle.h> 24 25 __BEGIN_DECLS 26 27 const native_handle_t* AHardwareBuffer_getNativeHandle(const AHardwareBuffer* buffer); 28 29 enum CreateFromHandleMethod { 30 // enum values chosen to match internal GraphicBuffer::HandleWrapMethod 31 AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER = 2, 32 AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE = 3, 33 }; 34 35 /** 36 * Create a AHardwareBuffer from a native handle. 37 * 38 * This function wraps a native handle in a AHardwareBuffer suitable for use by applications or 39 * other parts of the system. The contents of desc will be returned by AHardwareBuffer_describe(). 40 * 41 * If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER, the handle is assumed to be 42 * unregistered, and it will be registered/imported before being wrapped in the AHardwareBuffer. 43 * If successful, the AHardwareBuffer will own the handle. 44 * 45 * If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE, the handle will be cloned and the 46 * clone registered. The AHardwareBuffer will own the cloned handle but not the original. 47 */ 48 int AHardwareBuffer_createFromHandle(const AHardwareBuffer_Desc* desc, 49 const native_handle_t* handle, int32_t method, 50 AHardwareBuffer** outBuffer); 51 52 /** 53 * Buffer pixel formats. 54 */ 55 enum { 56 /* for future proofing, keep these in sync with system/graphics-base.h */ 57 58 /* same as HAL_PIXEL_FORMAT_BGRA_8888 */ 59 AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM = 5, 60 /* same as HAL_PIXEL_FORMAT_YV12 */ 61 AHARDWAREBUFFER_FORMAT_YV12 = 0x32315659, 62 /* same as HAL_PIXEL_FORMAT_Y8 */ 63 AHARDWAREBUFFER_FORMAT_Y8 = 0x20203859, 64 /* same as HAL_PIXEL_FORMAT_Y16 */ 65 AHARDWAREBUFFER_FORMAT_Y16 = 0x20363159, 66 /* same as HAL_PIXEL_FORMAT_RAW16 */ 67 AHARDWAREBUFFER_FORMAT_RAW16 = 0x20, 68 /* same as HAL_PIXEL_FORMAT_RAW10 */ 69 AHARDWAREBUFFER_FORMAT_RAW10 = 0x25, 70 /* same as HAL_PIXEL_FORMAT_RAW12 */ 71 AHARDWAREBUFFER_FORMAT_RAW12 = 0x26, 72 /* same as HAL_PIXEL_FORMAT_RAW_OPAQUE */ 73 AHARDWAREBUFFER_FORMAT_RAW_OPAQUE = 0x24, 74 /* same as HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED */ 75 AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED = 0x22, 76 /* same as HAL_PIXEL_FORMAT_YCBCR_422_SP */ 77 AHARDWAREBUFFER_FORMAT_YCbCr_422_SP = 0x10, 78 /* same as HAL_PIXEL_FORMAT_YCRCB_420_SP */ 79 AHARDWAREBUFFER_FORMAT_YCrCb_420_SP = 0x11, 80 /* same as HAL_PIXEL_FORMAT_YCBCR_422_I */ 81 AHARDWAREBUFFER_FORMAT_YCbCr_422_I = 0x14, 82 }; 83 84 __END_DECLS 85 86 #endif /* ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H */ 87
