/*
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* Copyright (C) 2017-2018 RockChip Limited. All rights reserved.
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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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/* --------------------------------------------------------------------------------------------------------
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* File: platform_gralloc4.h
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*
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* Desc: 声明对 buffer_handle_t 实例的 get metadata, import_buffer/free_buffer, lock_buffer/unlock_buffer 等接口.
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* 这些接口都将基于 IMapper 4.0 (gralloc 4.0) 实现.
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*
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* -----------------------------------------------------------------------------------
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* < 习语 和 缩略语 > :
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*
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* -----------------------------------------------------------------------------------
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* Usage:
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*
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* Note:
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*
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* Author: ChenZhen
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*
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* Log:
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* init.
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----Fri Aug 28 10:10:14 2020
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*
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* --------------------------------------------------------------------------------------------------------
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*/
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#ifndef __PLATFORM_GRALLOC4_H__
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#define __PLATFORM_GRALLOC4_H__
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/* ---------------------------------------------------------------------------------------------------------
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* Include Files
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* ---------------------------------------------------------------------------------------------------------
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*/
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// #include <linux/kernel.h>
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#include <stdint.h>
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#include <cutils/native_handle.h>
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#include <utils/Errors.h>
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#include <ui/PixelFormat.h>
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/* ---------------------------------------------------------------------------------------------------------
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* Macros Definition
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* ---------------------------------------------------------------------------------------------------------
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*/
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namespace gralloc4 {
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/* ---------------------------------------------------------------------------------------------------------
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* Types and Structures Definition
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* ---------------------------------------------------------------------------------------------------------
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*/
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/* ---------------------------------------------------------------------------------------------------------
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* Global Functions' Prototype
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* ---------------------------------------------------------------------------------------------------------
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*/
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int get_width(buffer_handle_t handle, uint64_t* width);
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int get_height(buffer_handle_t handle, uint64_t* height);
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int get_pixel_stride(buffer_handle_t handle, int* pixel_stride);
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int get_byte_stride(buffer_handle_t handle, int* byte_stride);
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int get_format_requested(buffer_handle_t handle, int* format_requested);
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int get_usage(buffer_handle_t handle, uint64_t* usage);
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int get_allocation_size(buffer_handle_t handle, uint64_t* usage);
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int get_share_fd(buffer_handle_t handle, int* share_fd);
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using android::status_t;
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status_t importBuffer(buffer_handle_t rawHandle, buffer_handle_t* outHandle);
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void freeBuffer(buffer_handle_t handle);
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status_t lock(buffer_handle_t bufferHandle,
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uint64_t usage,
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int x,
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int y,
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int w,
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int h,
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void** outData);
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void unlock(buffer_handle_t bufferHandle);
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/* ---------------------------------------------------------------------------------------------------------
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* Inline Functions Implementation
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* ---------------------------------------------------------------------------------------------------------
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*/
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}
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#endif /* __PLATFORM_GRALLOC4_H__ */
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