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 #ifndef ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H 17 #define ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H 18 // vndk is a superset of the NDK 19 #include <android/hardware_buffer.h> 20 #include <cutils/native_handle.h> 21 __BEGIN_DECLS 22 const native_handle_t* AHardwareBuffer_getNativeHandle(const AHardwareBuffer* buffer); 23 enum CreateFromHandleMethod { 24 // enum values chosen to match internal GraphicBuffer::HandleWrapMethod 25 AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER = 2, 26 AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE = 3, 27 }; 28 /** 29 * Create a AHardwareBuffer from a native handle. 30 * 31 * This function wraps a native handle in a AHardwareBuffer suitable for use by applications or 32 * other parts of the system. The contents of desc will be returned by AHardwareBuffer_describe(). 33 * 34 * If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER, the handle is assumed to be 35 * unregistered, and it will be registered/imported before being wrapped in the AHardwareBuffer. 36 * If successful, the AHardwareBuffer will own the handle. 37 * 38 * If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE, the handle will be cloned and the 39 * clone registered. The AHardwareBuffer will own the cloned handle but not the original. 40 */ 41 int AHardwareBuffer_createFromHandle(const AHardwareBuffer_Desc* desc, 42 const native_handle_t* handle, int32_t method, 43 AHardwareBuffer** outBuffer); 44 /** 45 * Buffer pixel formats. 46 */ 47 enum { 48 /* for future proofing, keep these in sync with system/graphics-base.h */ 49 /* same as HAL_PIXEL_FORMAT_BGRA_8888 */ 50 AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM = 5, 51 /* same as HAL_PIXEL_FORMAT_YV12 */ 52 AHARDWAREBUFFER_FORMAT_YV12 = 0x32315659, 53 /* same as HAL_PIXEL_FORMAT_Y8 */ 54 AHARDWAREBUFFER_FORMAT_Y8 = 0x20203859, 55 /* same as HAL_PIXEL_FORMAT_Y16 */ 56 AHARDWAREBUFFER_FORMAT_Y16 = 0x20363159, 57 /* same as HAL_PIXEL_FORMAT_RAW16 */ 58 AHARDWAREBUFFER_FORMAT_RAW16 = 0x20, 59 /* same as HAL_PIXEL_FORMAT_RAW10 */ 60 AHARDWAREBUFFER_FORMAT_RAW10 = 0x25, 61 /* same as HAL_PIXEL_FORMAT_RAW12 */ 62 AHARDWAREBUFFER_FORMAT_RAW12 = 0x26, 63 /* same as HAL_PIXEL_FORMAT_RAW_OPAQUE */ 64 AHARDWAREBUFFER_FORMAT_RAW_OPAQUE = 0x24, 65 /* same as HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED */ 66 AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED = 0x22, 67 /* same as HAL_PIXEL_FORMAT_YCBCR_420_888 */ 68 AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420 = 0x23, 69 /* same as HAL_PIXEL_FORMAT_YCBCR_422_SP */ 70 AHARDWAREBUFFER_FORMAT_YCbCr_422_SP = 0x10, 71 /* same as HAL_PIXEL_FORMAT_YCRCB_420_SP */ 72 AHARDWAREBUFFER_FORMAT_YCrCb_420_SP = 0x11, 73 /* same as HAL_PIXEL_FORMAT_YCBCR_422_I */ 74 AHARDWAREBUFFER_FORMAT_YCbCr_422_I = 0x14, 75 }; 76 __END_DECLS 77 #endif /* ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H */ 78