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data-id="ge_normal_mode" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_normal_mode.html" id="ge_normal_mode-d4445e4525-link">非命令队列模式</a></div></div></li><li role="treeitem"><div data-tocid="ge_command_queue_mode-d4445e4539" class="topicref" data-id="ge_command_queue_mode" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_cmdq_mode.html" id="ge_command_queue_mode-d4445e4539-link">命令队列模式</a></div></div></li><li role="treeitem"><div data-tocid="ge-compare-mode-d4445e4553" class="topicref" data-id="ge-compare-mode" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_compare_mode.html" id="ge-compare-mode-d4445e4553-link">非命令队列和命令队列对比</a></div></div></li><li role="treeitem"><div data-tocid="ge_data_structure-d4445e4567" class="topicref" data-id="ge_data_structure" 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role="treeitem"><div data-tocid="ge_位块搬移-d4445e4609" class="topicref" data-id="ge_位块搬移" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_blit.html" id="ge_位块搬移-d4445e4609-link">位块搬移</a></div></div></li><li role="treeitem"><div data-tocid="ge_任意角度旋转_0-d4445e4623" class="topicref" data-id="ge_任意角度旋转_0" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_rotate.html" id="ge_任意角度旋转_0-d4445e4623-link">任意角度旋转</a></div></div></li></ul></li></ul></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="ve-d4445e4637" class="topicref" data-id="ve" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action ve-d4445e4637-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ve/ve-user-guide.html" id="ve-d4445e4637-link">VE 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e4777" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e4777-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/display/display_user_guide.html" id="id-d4445e4777-link">Display 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_h4d_fwt_tzb-d4445e5218" class="topicref" data-id="concept_h4d_fwt_tzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_h4d_fwt_tzb-d4445e5218-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/dvp/dvp_user_guide.html" id="concept_h4d_fwt_tzb-d4445e5218-link">DVP 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp-d4445e5358" class="topicref" data-id="mpp" data-state="not-ready"><span role="button" tabindex="0" 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id="gstreamer-d4445e5582-link">Gstreamer 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="i2s-d4445e5680" class="topicref" data-id="i2s" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action i2s-d4445e5680-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/i2s/i2s_user_guide.html" id="i2s-d4445e5680-link">I2S 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="audio_codec_user_guide-d4445e5806" class="topicref" data-id="audio_codec_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action audio_codec_user_guide-d4445e5806-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/audio_codec/audio-codec-user-guide.html" id="audio_codec_user_guide-d4445e5806-link">Audio Codec 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" 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-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、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-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-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" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/ge/ge_mpp_api.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">MPP 对 GE 接口的封装</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<div class="- topic/div div">
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<p class="- topic/p p" data-ofbid="d143679e35__20250123155213">由于驱动支持非命令队列和命令队列两种模式，在提供的用户态 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
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API。在命令队列模式下，task 会先缓存在用户态的 cmd buffer 中，当调用 mpp_ge_emit 后， 会通过 write 接口把命令写入内核的
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ring buffer。</p>
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<figure class="- topic/fig fig fignone" id="ge_mpp_api__fig_ddt_g2b_d1c" data-ofbid="ge_mpp_api__fig_ddt_g2b_d1c">
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ge_mpp_api__image_eg3_g2b_d1c" src="../../../images/ge/ge_function_call_mpp.png" width="480" alt="ge_call_mpp"/></div><br/>
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<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>
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<div class="table-container"><table class="- topic/table table frame-all" id="ge_mpp_api__table_kly_z1p_bcc" data-ofbid="ge_mpp_api__table_kly_z1p_bcc" 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">MPP 封装接口语法</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
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<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_kly_z1p_bcc__entry__1">接口名称</th>
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<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_kly_z1p_bcc__entry__2">语法</th>
|
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</tr>
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</thead><tbody class="- topic/tbody tbody">
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<tr class="- topic/row">
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_open</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_lly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_lly_z1p_bcc"><code><strong class="hl-keyword">struct</strong> mpp_ge *mpp_ge_open();</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_close</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_mly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_mly_z1p_bcc"><code><strong class="hl-keyword">void</strong> mpp_ge_close(<strong class="hl-keyword">struct</strong> mpp_ge *ge);</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_get_mode</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_nly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_nly_z1p_bcc"><code><strong class="hl-keyword">enum</strong> ge_mode mpp_ge_get_mode(<strong class="hl-keyword">struct</strong> mpp_ge *ge);</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_add_dmabuf</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_oly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_oly_z1p_bcc"><code><strong class="hl-keyword">int</strong> mpp_ge_add_dmabuf(<strong class="hl-keyword">struct</strong> mpp_ge *ge, <strong class="hl-keyword">int</strong> dma_fd);</code></pre>
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</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_rm_dmabuf</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_qly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_qly_z1p_bcc"><code><strong class="hl-keyword">int</strong> mpp_ge_rm_dmabuf(<strong class="hl-keyword">struct</strong> mpp_ge *ge, <strong class="hl-keyword">int</strong> dma_fd);</code></pre>
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</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_fillrect</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_sly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_sly_z1p_bcc"><code><strong class="hl-keyword">int</strong> mpp_ge_fillrect(<strong class="hl-keyword">struct</strong> mpp_ge *ge, <strong class="hl-keyword">struct</strong> ge_fillrect *fillrect);</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_bitblt</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_vly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_vly_z1p_bcc"><code><strong class="hl-keyword">int</strong> mpp_ge_bitblt(<strong class="hl-keyword">struct</strong> mpp_ge *ge, <strong class="hl-keyword">struct</strong> ge_bitblt *blt);</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_rotate</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_yly_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_yly_z1p_bcc"><code><strong class="hl-keyword">int</strong> mpp_ge_rotate(<strong class="hl-keyword">struct</strong> mpp_ge *ge, <strong class="hl-keyword">struct</strong> ge_rotation *rot);</code></pre>
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</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_emit</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_bmy_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_bmy_z1p_bcc"><code>nt mpp_ge_emit(<strong class="hl-keyword">struct</strong> mpp_ge *ge);</code></pre>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__1">mpp_ge_sync</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_kly_z1p_bcc__entry__2">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_mpp_api__codeblock_dmy_z1p_bcc" data-ofbid="ge_mpp_api__codeblock_dmy_z1p_bcc"><code>iint mpp_ge_sync(<strong class="hl-keyword">struct</strong> mpp_ge *ge);</code></pre>
|
||
</td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="ge_mpp_api__table_cft_dfb_d1c" data-ofbid="ge_mpp_api__table_cft_dfb_d1c" data-cols="5"><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">MPP 封装接口功能描述</span></caption><colgroup><col style="width:12.531328320802004%"/><col style="width:17.042606516290725%"/><col style="width:17.167919799498748%"/><col style="width:17.293233082706767%"/><col style="width:35.96491228070175%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_cft_dfb_d1c__entry__1">接口名称</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_cft_dfb_d1c__entry__2">功能说明</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_cft_dfb_d1c__entry__3">参数定义</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_cft_dfb_d1c__entry__4">返回值</th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="ge_mpp_api__table_cft_dfb_d1c__entry__5">注意事项</th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_open</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">打开 ge 设备</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">-</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<p class="- topic/p p" data-ofbid="d143679e253__20250123155213">struct mpp_ge 结构体指针</p>
|
||
<p class="- topic/p p" data-ofbid="d143679e256__20250123155213">NULL：失败</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">-</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_close</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">关闭 ge 设备</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">-</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">-</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_get_mode</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">获取 GE 模式</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<p class="- topic/p p" data-ofbid="d143679e295__20250123155213">enum ge_mode 枚举类型</p>
|
||
<p class="- topic/p p" data-ofbid="d143679e298__20250123155213">通过返回值可以获取 GE 是否工作在命令队列模式</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">-</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_add_dmabuf</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">添加 DMA buffer</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge：struct mpp_ge 结构体指针<p class="- topic/p p" data-ofbid="d143679e316__20250123155213">dma_fd：dma buffer fd</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_cj2_hgb_d1c" data-ofbid="ge_mpp_api__ul_cj2_hgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e323__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e326__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">-</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_rm_dmabuf</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">删除 DMA buffer</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge：struct mpp_ge 结构体指针<p class="- topic/p p" data-ofbid="d143679e345__20250123155213">dma_fd：dma buffer fd</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_klv_jgb_d1c" data-ofbid="ge_mpp_api__ul_klv_jgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e352__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e355__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">-</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_fillrect</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">矩形填充</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针<p class="- topic/p p" data-ofbid="d143679e375__20250123155213">fillrect:struct ge_fillrect
|
||
结构体指针</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_oh3_kgb_d1c" data-ofbid="ge_mpp_api__ul_oh3_kgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e382__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e385__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">normal（非命令队列）模式此接口是同步的。命令队列模式此接口是异步的：<ul class="- topic/ul ul" id="ge_mpp_api__ul_up1_lgb_d1c" data-ofbid="ge_mpp_api__ul_up1_lgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e394__20250123155213">当用户态的缓存 buffer 足够时候仅把命令缓存在用户态。</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e397__20250123155213">当用户态的缓存空间不够的时候，先通过 write 接口，把缓存的命令全部写入驱动，然后再把当前命令缓存到用户态
|
||
buffer。</li>
|
||
</ul></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_bitblt</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2"><a class="- topic/xref xref" href="ge_blit.html">位块搬移</a></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针<p class="- topic/p p" data-ofbid="d143679e414__20250123155213">blt:struct ge_bitblt 结构体指针</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_jqh_4gb_d1c" data-ofbid="ge_mpp_api__ul_jqh_4gb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e421__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e424__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">normal（非命令队列）模式此接口是同步的。命令队列模式此接口是异步的：<ul class="- topic/ul ul" id="ge_mpp_api__ul_uch_pgb_d1c" data-ofbid="ge_mpp_api__ul_uch_pgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e433__20250123155213">当用户态的缓存 buffer 足够时候仅把命令缓存在用户态。</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e436__20250123155213">当用户态的缓存空间不够的时候，先通过 write 接口，把缓存的命令全部写入驱动，然后再把当前命令缓存到用户态
|
||
buffer。</li>
|
||
</ul></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_rotate</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2"><a class="- topic/xref xref" href="ge_rotate.html">任意角度旋转</a></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针<p class="- topic/p p" data-ofbid="d143679e453__20250123155213">rot:struct ge_rotation
|
||
结构体指针</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_v4x_qgb_d1c" data-ofbid="ge_mpp_api__ul_v4x_qgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e460__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e463__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">normal（非命令队列）模式此接口是同步的。命令队列模式此接口是异步的：<ul class="- topic/ul ul" id="ge_mpp_api__ul_dbg_rgb_d1c" data-ofbid="ge_mpp_api__ul_dbg_rgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e472__20250123155213">当用户态的缓存 buffer 足够时候仅把命令缓存在用户态。</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e475__20250123155213">当用户态的缓存空间不够的时候，先通过 write 接口，把缓存的命令全部写入驱动，然后再把当前命令缓存到用户态
|
||
buffer。</li>
|
||
</ul></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_emit</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">向驱动发送命令</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_zy1_sgb_d1c" data-ofbid="ge_mpp_api__ul_zy1_sgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e495__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e498__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">normal（非命令队列）模式此接口为空，不产生任何作用。<p class="- topic/p p" data-ofbid="d143679e505__20250123155213">命令队列模式此接口通过 write 接口，把用户态 buffer
|
||
中缓存的命令都写入驱动。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__1">mpp_ge_sync</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__2">阻塞等待所有任务执行完成</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__3">ge: struct mpp_ge 结构体指针</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__4">
|
||
<ul class="- topic/ul ul" id="ge_mpp_api__ul_bc2_sgb_d1c" data-ofbid="ge_mpp_api__ul_bc2_sgb_d1c">
|
||
<li class="- topic/li li" data-ofbid="d143679e524__20250123155213">0：成功</li>
|
||
<li class="- topic/li li" data-ofbid="d143679e527__20250123155213"><0：失败</li>
|
||
</ul>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="ge_mpp_api__table_cft_dfb_d1c__entry__5">normal（非命令队列）模式此接口为空，不产生任何作用。<p class="- topic/p p" data-ofbid="d143679e534__20250123155213">命令队列模式此接口通过调用 SYNC
|
||
接口，等待所有任务都完成。</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</div>
|
||
</div>
|
||
</article></main></div>
|
||
|
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<div class=" wh_child_links d-print-none "><nav aria-label="Child Links" role="navigation" class="- topic/related-links related-links"><ul class="ullinks"><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_blit.html">位块搬移</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/ge/ge_rotate.html">任意角度旋转</a></strong></li></ul></nav></div>
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|
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|
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|
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|
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Update Time: 2025-01-23
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<button id="go2top" class="d-print-none" title="返回顶部">
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