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/*
* Copyright 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H
#define ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H
// vndk is a superset of the NDK
#include <android/hardware_buffer.h>
#include <cutils/native_handle.h>
__BEGIN_DECLS
const native_handle_t* AHardwareBuffer_getNativeHandle(const AHardwareBuffer* buffer);
enum CreateFromHandleMethod {
// enum values chosen to match internal GraphicBuffer::HandleWrapMethod
AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER = 2,
AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE = 3,
};
/**
* Create a AHardwareBuffer from a native handle.
*
* This function wraps a native handle in a AHardwareBuffer suitable for use by applications or
* other parts of the system. The contents of desc will be returned by AHardwareBuffer_describe().
*
* If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_REGISTER, the handle is assumed to be
* unregistered, and it will be registered/imported before being wrapped in the AHardwareBuffer.
* If successful, the AHardwareBuffer will own the handle.
*
* If method is AHARDWAREBUFFER_CREATE_FROM_HANDLE_METHOD_CLONE, the handle will be cloned and the
* clone registered. The AHardwareBuffer will own the cloned handle but not the original.
*/
int AHardwareBuffer_createFromHandle(const AHardwareBuffer_Desc* desc,
const native_handle_t* handle, int32_t method,
AHardwareBuffer** outBuffer);
/**
* Buffer pixel formats.
*/
enum {
/* for future proofing, keep these in sync with system/graphics-base.h */
/* same as HAL_PIXEL_FORMAT_BGRA_8888 */
AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM = 5,
/* same as HAL_PIXEL_FORMAT_YV12 */
AHARDWAREBUFFER_FORMAT_YV12 = 0x32315659,
/* same as HAL_PIXEL_FORMAT_Y8 */
AHARDWAREBUFFER_FORMAT_Y8 = 0x20203859,
/* same as HAL_PIXEL_FORMAT_Y16 */
AHARDWAREBUFFER_FORMAT_Y16 = 0x20363159,
/* same as HAL_PIXEL_FORMAT_RAW16 */
AHARDWAREBUFFER_FORMAT_RAW16 = 0x20,
/* same as HAL_PIXEL_FORMAT_RAW10 */
AHARDWAREBUFFER_FORMAT_RAW10 = 0x25,
/* same as HAL_PIXEL_FORMAT_RAW12 */
AHARDWAREBUFFER_FORMAT_RAW12 = 0x26,
/* same as HAL_PIXEL_FORMAT_RAW_OPAQUE */
AHARDWAREBUFFER_FORMAT_RAW_OPAQUE = 0x24,
/* same as HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED */
AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED = 0x22,
/* same as HAL_PIXEL_FORMAT_YCBCR_422_SP */
AHARDWAREBUFFER_FORMAT_YCbCr_422_SP = 0x10,
/* same as HAL_PIXEL_FORMAT_YCRCB_420_SP */
AHARDWAREBUFFER_FORMAT_YCrCb_420_SP = 0x11,
/* same as HAL_PIXEL_FORMAT_YCBCR_422_I */
AHARDWAREBUFFER_FORMAT_YCbCr_422_I = 0x14,
};
/**
* Buffer usage flags.
*/
enum {
/* for future proofing, keep these in sync with hardware/gralloc.h */
/* The buffer will be written by the HW camera pipeline. */
AHARDWAREBUFFER_USAGE_CAMERA_WRITE = 2UL << 16,
/* The buffer will be read by the HW camera pipeline. */
AHARDWAREBUFFER_USAGE_CAMERA_READ = 4UL << 16,
/* Mask for the camera access values. */
AHARDWAREBUFFER_USAGE_CAMERA_MASK = 6UL << 16,
};
__END_DECLS
#endif /* ANDROID_VNDK_NATIVEWINDOW_AHARDWAREBUFFER_H */
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