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