forked from OpenHarmony / docs

加入 Gitee

与超过 1200万开发者一起发现、参与优秀开源项目，私有仓库也完全免费：）

免费加入

克隆/下载

GrallocBuffer.md 3.53 KB

# GrallocBuffer<a name="ZH-CN_TOPIC_0000001054718125"></a>

## **Overview**<a name="section1186105809093530"></a>

**Related Modules:**

[Display](Display.md)

**Description:**

Defines the memory buffer, including the buffer handle, memory type, memory size, and virtual memory address.

## **Summary**<a name="section253494518093530"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table812987329093530"></a>
<table><thead align="left"><tr id="row1143531398093530"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1465700321093530"><a name="p1465700321093530"></a><a name="p1465700321093530"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p483416696093530"><a name="p483416696093530"></a><a name="p483416696093530"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row270476948093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p907419132093530"><a name="p907419132093530"></a><a name="p907419132093530"></a><a href="GrallocBuffer.md#a6bdce5004be0cb1c41326c0621581fff">hdl</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1884763561093530"><a name="p1884763561093530"></a><a name="p1884763561093530"></a><a href="BufferHandle.md">BufferHandle</a>&nbsp;</p>
</td>
</tr>
<tr id="row1926374375093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1877122654093530"><a name="p1877122654093530"></a><a name="p1877122654093530"></a><a href="GrallocBuffer.md#ad66bdf06909350cd1a4e5c45349e72ae">type</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p100881722093530"><a name="p100881722093530"></a><a name="p100881722093530"></a><a href="Display.md#gabd31f838aefffa46191d0d7dc36a96b2">MemType</a>&nbsp;</p>
</td>
</tr>
<tr id="row865172974093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1031616094093530"><a name="p1031616094093530"></a><a name="p1031616094093530"></a><a href="GrallocBuffer.md#a756f3d9e23d7e97a28a5228765cb8cf3">size</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p31920768093530"><a name="p31920768093530"></a><a name="p31920768093530"></a>uint32_t&nbsp;</p>
</td>
</tr>
<tr id="row169732798093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p101958938093530"><a name="p101958938093530"></a><a name="p101958938093530"></a><a href="GrallocBuffer.md#a3196376b8b938cf96e008152f1ddceee">virAddr</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1686541328093530"><a name="p1686541328093530"></a><a name="p1686541328093530"></a>void *&nbsp;</p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section1801065956093530"></a>

## **Field Documentation**<a name="section594351810093530"></a>

## hdl<a name="a6bdce5004be0cb1c41326c0621581fff"></a>

```
[BufferHandle](BufferHandle.md) GrallocBuffer::hdl
```

**Description:**

Buffer handle

## size<a name="a756f3d9e23d7e97a28a5228765cb8cf3"></a>

```
uint32_t GrallocBuffer::size
```

**Description:**

Size of the requested memory

## type<a name="ad66bdf06909350cd1a4e5c45349e72ae"></a>

```
[MemType](Display.md#gabd31f838aefffa46191d0d7dc36a96b2) GrallocBuffer::type
```

**Description:**

Type of the requested memory

## virAddr<a name="a3196376b8b938cf96e008152f1ddceee"></a>

```
void* GrallocBuffer::virAddr
```

**Description:**

Virtual address of the requested memory

一键复制编辑原始数据按行查看历史

提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

GrallocBuffer

Overview

Related Modules:

Display

Description:

Defines the memory buffer, including the buffer handle, memory type, memory size, and virtual memory address.

Summary

Data Fields

Variable Name	Description
hdl	BufferHandle
type	MemType
size	uint32_t
virAddr	void *

Details

Field Documentation

hdl

[BufferHandle](BufferHandle.md) GrallocBuffer::hdl

Description:

Buffer handle

size

uint32_t GrallocBuffer::size

Description:

Size of the requested memory

type

[MemType](Display.md#gabd31f838aefffa46191d0d7dc36a96b2) GrallocBuffer::type

Description:

Type of the requested memory

virAddr

void* GrallocBuffer::virAddr

Description:

Virtual address of the requested memory

https://gitee.com/lawguiren/docs.git

git@gitee.com:lawguiren/docs.git

lawguiren

docs

master

罗小黑 / docs

GrallocBuffer

Overview

Summary

Data Fields

Details

Field Documentation

hdl

size

type

virAddr

简介

发行版

贡献者

近期动态

罗小黑 / docs .gitee-modal { width: 500px !important; }

GrallocBuffer

Overview

Summary

Data Fields

Details

Field Documentation

hdl

size

type

virAddr

简介

发行版

贡献者

近期动态

搜索帮助

罗小黑 / docs