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data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp_0-d3752e5061-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_player_user_guide.html" id="mpp_0-d3752e5061-link">MPP 播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5159" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5159-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_recorder_user_guide.html" id="id-d3752e5159-link">MPP 录像使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5243" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5243-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d3752e5243-link">MPP 音频播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5328" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5328-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d3752e5328-link">LVGL 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d3752e5544" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d3752e5544-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d3752e5544-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN<span class="ph">、CAP</span>、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d3752e6799" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d3752e6799-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d3752e6799-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
|
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/mpp/mpp_ge_design_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">MPP GE 设计及接口说明</h1>
|
||
<div class="date inPage">16 May 2025</div><div style="color: gray;">
|
||
Read time: 3 minute(s)
|
||
</div>
|
||
<div class="- topic/body concept/conbody body conbody">
|
||
<p class="- topic/p p" data-ofbid="d178888e36__20250519091525">由于驱动支持非命令队列和命令队列两种模式，在提供的用户 MPP 接口中，对调用驱动的接口进行了封装，保持了统一的调用 API， 建议用户统一使用 MPP 中间层
|
||
API。在命令队列模式下，task 会先缓存在用户的 cmd buffer 中，当调用 mpp_ge_emit 后， 会通过 write 接口把命令写入内核的 ring
|
||
buffer。</p>
|
||
<figure class="- topic/fig fig fignone" id="mpp-ge-design__id19" data-ofbid="mpp-ge-design__id19">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp-ge-design__image_hvn_2nt_2dc" src="../../../images/ge/ge_function_call_mpp.png" width="480" alt="ge_call_mpp"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">应用调用 MPP 框架</span></figcaption></figure>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-open" data-ofbid="mpp-ge-design__mpp-ge-open"><h2 class="- topic/title title sectiontitle">mpp_ge_open</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_ivn_2nt_2dc" data-ofbid="mpp-ge-design__table_ivn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_ivn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e71__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_ivn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e75__20250519091525">打开 ge 设备</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e85__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e89__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e102__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e106__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">struct mpp_ge 结构体指针</div>
|
||
<div class="- topic/div div">NULL：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e122__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_ivn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e126__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-close" data-ofbid="mpp-ge-design__mpp-ge-close"><h2 class="- topic/title title sectiontitle">mpp_ge_close</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_jvn_2nt_2dc" data-ofbid="mpp-ge-design__table_jvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_jvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e160__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_jvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e164__20250519091525">关闭 ge 设备</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e174__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e178__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e193__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e197__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e210__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_jvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e214__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-get-mode" data-ofbid="mpp-ge-design__mpp-ge-get-mode"><h2 class="- topic/title title sectiontitle">mpp_ge_get_mode</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_kvn_2nt_2dc" data-ofbid="mpp-ge-design__table_kvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_kvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e248__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_kvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e252__20250519091525">获取 GE 模式</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e262__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e266__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e281__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e285__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">enum ge_mode 枚举类型</div>
|
||
<div class="- topic/div div"> 通过返回值可以获取 GE 是否工作在命令队列</div>
|
||
<div class="- topic/div div">模式</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e304__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_kvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e308__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">无</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-fillrect" data-ofbid="mpp-ge-design__mpp-ge-fillrect"><h2 class="- topic/title title sectiontitle">mpp_ge_fillrect</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_lvn_2nt_2dc" data-ofbid="mpp-ge-design__table_lvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_lvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e343__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_lvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e347__20250519091525">矩形填充</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e357__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e361__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">fillrect</span>: struct ge_fillrect 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e381__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e385__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0：成功</div>
|
||
<div class="- topic/div div"><0：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e401__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_lvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e405__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> normal（非命令队列）模式此接口是同步</div>
|
||
<div class="- topic/div div">的。</div>
|
||
<div class="- topic/div div"> 命令队列模式此接口是异步的：</div>
|
||
<div class="- topic/div div"> （1）当用户的缓存 buffer 足够时候仅把</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 命令缓存在用户</div>
|
||
</div>
|
||
<div class="- topic/div div"> （2）当用户的缓存空间不够的时候，先</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 通过 write 接口，把缓存的命令全部</div>
|
||
<div class="- topic/div div"> 写入驱动，然后再把当前命令缓存到</div>
|
||
<div class="- topic/div div">用户 buffer</div>
|
||
</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<p class="- topic/p p" data-ofbid="d178888e449__20250519091525">矩形填充在目标图像中指定一块矩形区域，填充颜色格式只能为 ARGB8888 格式， 在进行固定颜色填充的时候，不支持 scaler，不支持 90/180/270
|
||
度旋转，不支持镜像， 填充的颜色可以和目标层进行 alpha blending 和 color key。</p>
|
||
<figure class="- topic/fig fig fignone" id="mpp-ge-design__id20" data-ofbid="mpp-ge-design__id20">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp-ge-design__image_mvn_2nt_2dc" src="../../../images/mpp/ge_function_fill1.png" alt="ge_function_fill1"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">矩形填充</span></figcaption></figure>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-bitblt" data-ofbid="mpp-ge-design__mpp-ge-bitblt"><h2 class="- topic/title title sectiontitle">mpp_ge_bitblt</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_nvn_2nt_2dc" data-ofbid="mpp-ge-design__table_nvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_nvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e485__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_nvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e489__20250519091525">位块搬移</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e499__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e503__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">blt</span>: struct ge_bitblt 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e523__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e527__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0：成功</div>
|
||
<div class="- topic/div div"><0：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e543__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_nvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e547__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> normal（非命令队列）模式此接口是同步</div>
|
||
<div class="- topic/div div">的。</div>
|
||
<div class="- topic/div div"> 命令队列模式此接口是异步的：</div>
|
||
<div class="- topic/div div"> （1）当用户的缓存 buffer 足够时候仅把</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 命令缓存在用户</div>
|
||
</div>
|
||
<div class="- topic/div div"> （2）当用户的缓存空间不够的时候，先</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 通过 write 接口，把缓存的命令全部</div>
|
||
<div class="- topic/div div"> 写入驱动，然后再把当前命令缓存到</div>
|
||
<div class="- topic/div div">用户 buffer</div>
|
||
</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<p class="- topic/p p" data-ofbid="d178888e591__20250519091525">位块搬移可以分两种情况：</p>
|
||
<ol class="- topic/ol ol arabic simple" id="mpp-ge-design__ol_ovn_2nt_2dc" data-ofbid="mpp-ge-design__ol_ovn_2nt_2dc">
|
||
<li class="- topic/li li" data-ofbid="d178888e596__20250519091525">
|
||
<p class="- topic/p p" data-ofbid="d178888e598__20250519091525">原图的矩形区域搬移到目标图的矩形区域中不进行缩放</p>
|
||
<figure class="- topic/fig fig fignone" id="mpp-ge-design__id21" data-ofbid="mpp-ge-design__id21">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp-ge-design__image_pvn_2nt_2dc" src="../../../images/mpp/ge_function_blit1.png" alt="ge_function_blit1"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 3</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">不进行缩放</span></figcaption></figure>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d178888e614__20250519091525">
|
||
<p class="- topic/p p" data-ofbid="d178888e616__20250519091525">原图的矩形区域搬移到目标图的矩形区域中同时进行放大或者缩小</p>
|
||
<figure class="- topic/fig fig fignone" id="mpp-ge-design__id22" data-ofbid="mpp-ge-design__id22">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp-ge-design__image_rvn_2nt_2dc" src="../../../images/mpp/ge_function_stretchblit1.png" alt="ge_function_stretchblit1"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 4</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">进行缩放</span></figcaption></figure>
|
||
</li>
|
||
</ol>
|
||
<p class="- topic/p p" data-ofbid="d178888e633__20250519091525">在进行位块搬移的同时可以进行 alpha blending 和 color key，同时也支持 90/180/270 度旋转和镜像。</p>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-rotate" data-ofbid="mpp-ge-design__mpp-ge-rotate"><h2 class="- topic/title title sectiontitle">mpp_ge_rotate</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_svn_2nt_2dc" data-ofbid="mpp-ge-design__table_svn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_svn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e657__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_svn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e661__20250519091525">任意角度旋转</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_svn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e671__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_svn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e675__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">rot</span>: struct ge_rotation 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_svn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e695__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_svn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e699__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0：成功</div>
|
||
<div class="- topic/div div"><0：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_svn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e715__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_svn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e719__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> normal（非命令队列）模式此接口是同步</div>
|
||
<div class="- topic/div div">的。</div>
|
||
<div class="- topic/div div"> 命令队列模式此接口是异步的：</div>
|
||
<div class="- topic/div div"> （1）当用户的缓存 buffer 足够时候仅把</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 命令缓存在用户</div>
|
||
</div>
|
||
<div class="- topic/div div"> （2）当用户的缓存空间不够的时候，先</div>
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> 通过 write 接口，把缓存的命令全部</div>
|
||
<div class="- topic/div div"> 写入驱动，然后再把当前命令缓存到</div>
|
||
<div class="- topic/div div">用户 buffer</div>
|
||
</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<p class="- topic/p p" data-ofbid="d178888e763__20250519091525">进行任意角度旋转的时候可以进行 alpha blending，并且可以指定原图和目标图的旋转中心，任意角度旋转原图和目标图都只支持 RGB 格式。
|
||
其中旋转角度传给驱动的是旋转角度的 sin 和 cos 值，为 2.12 定点数，其中小数部分 12 bits ，则应用程序计算 sin 和 cos
|
||
值的方法如下：</p>
|
||
<figure class="- topic/fig fig fignone" id="mpp-ge-design__fig_tvn_2nt_2dc" data-ofbid="mpp-ge-design__fig_tvn_2nt_2dc">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp-ge-design__image_uvn_2nt_2dc" src="../../../images/ge/ge_function_rot.png" alt="ge_function_rot"/></div><br/>
|
||
</figure>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-emit" data-ofbid="mpp-ge-design__mpp-ge-emit"><h2 class="- topic/title title sectiontitle">mpp_ge_emit</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_vvn_2nt_2dc" data-ofbid="mpp-ge-design__table_vvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_vvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e796__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_vvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e800__20250519091525">向驱动发送命令</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e810__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e814__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e829__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e833__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0：成功</div>
|
||
<div class="- topic/div div"><0：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e849__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_vvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e853__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> normal（非命令队列）模式此接口为空，</div>
|
||
<div class="- topic/div div"> 不产生任何作用</div>
|
||
<div class="- topic/div div"> 命令队列模式此接口通过 write 接口，</div>
|
||
<div class="- topic/div div"> 把用户 buffer 中缓存的命令都写入驱动</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="mpp-ge-design__mpp-ge-sync" data-ofbid="mpp-ge-design__mpp-ge-sync"><h2 class="- topic/title title sectiontitle">mpp_ge_sync</h2>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="mpp-ge-design__table_wvn_2nt_2dc" data-ofbid="mpp-ge-design__table_wvn_2nt_2dc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="mpp-ge-design__table_wvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e896__20250519091525">功能说明</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="mpp-ge-design__table_wvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e900__20250519091525">阻塞等待所有任务执行完成</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e910__20250519091525">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e914__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">ge</span>: struct mpp_ge 结构体指针</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e929__20250519091525">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e933__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">0：成功</div>
|
||
<div class="- topic/div div"><0：失败</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d178888e949__20250519091525">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mpp-ge-design__table_wvn_2nt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d178888e953__20250519091525">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"> normal（非命令队列）模式此接口为空，</div>
|
||
<div class="- topic/div div"> 不产生任何作用</div>
|
||
<div class="- topic/div div"> 命令队列模式此接口通过调用 IOC_GE_SYNC</div>
|
||
<div class="- topic/div div"> 接口，等待所有任务都完成</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
</div>
|
||
</article></main></div>
|
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|
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|
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|
||
|
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</div>
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|
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<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
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<div id="wh_topic_toc_content">
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||
|
||
<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-open" data-tocid="mpp-ge-design__mpp-ge-open">mpp_ge_open</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-close" data-tocid="mpp-ge-design__mpp-ge-close">mpp_ge_close</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-get-mode" data-tocid="mpp-ge-design__mpp-ge-get-mode">mpp_ge_get_mode</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-fillrect" data-tocid="mpp-ge-design__mpp-ge-fillrect">mpp_ge_fillrect</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-bitblt" data-tocid="mpp-ge-design__mpp-ge-bitblt">mpp_ge_bitblt</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-rotate" data-tocid="mpp-ge-design__mpp-ge-rotate">mpp_ge_rotate</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-emit" data-tocid="mpp-ge-design__mpp-ge-emit">mpp_ge_emit</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp-ge-design__mpp-ge-sync" data-tocid="mpp-ge-design__mpp-ge-sync">mpp_ge_sync</a></div></li></ul></div>
|
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|
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</div>
|
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</nav>
|
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</div>
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</div>
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<footer class="navbar navbar-default wh_footer">
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<div class=" footer-container mx-auto ">
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<title>footer def</title>
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<style>
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.p1 {
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font-family: FangZhengShuSong, Times, serif;
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}
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.p2 {
|
||
font-family: Arial, Helvetica, sans-serif;
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}
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.p3 {
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font-family: "Lucida Console", "Courier New", monospace;
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<p class="p1">Copyright © 2019-2025 广东匠芯创科技有限公司. All rights reserved.</p>
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<div>
|
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<div class="generation_time">
|
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Update Time: 2025-05-19
|
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</div>
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</div>
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</div>
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</footer>
|
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<div id="go2top" class="d-print-none">
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<span class="oxy-icon oxy-icon-up"></span>
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</div>
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<div id="modal_img_large" class="modal">
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<span class="close oxy-icon oxy-icon-remove"></span>
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<div id="modal_img_container"></div>
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<div id="caption"></div>
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<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
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</body>
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