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<title>MNN: halide_device_interface_t结构体 参考</title>
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<div id="projectname">MNN
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 <span id="projectnumber">1.0</span>
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<a href="#pub-attribs">Public 属性</a> |
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<a href="structhalide__device__interface__t-members.html">所有成员列表</a> </div>
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<div class="headertitle">
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<div class="title">halide_device_interface_t结构体 参考</div> </div>
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<p><code>#include <<a class="el" href="_halide_runtime_8h_source.html">HalideRuntime.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public 属性</h2></td></tr>
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<tr class="memitem:aefe045212c1c0cc8993ad77b4c7d793b"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#aefe045212c1c0cc8993ad77b4c7d793b">device_malloc</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td></tr>
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<tr class="memitem:ab0bd6619c5acb90929eefa8c94488ebe"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#ab0bd6619c5acb90929eefa8c94488ebe">device_free</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:ac7e27bf4acf3d42a41bca1ca15088170"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#ac7e27bf4acf3d42a41bca1ca15088170">device_sync</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:a8d54f5cfdce5abfe5079e746ec6e9a32"><td class="memItemLeft" align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a8d54f5cfdce5abfe5079e746ec6e9a32">device_release</a> )(void *user_context, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td></tr>
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<tr class="memitem:a94496f4e1181af69213ee72ad4e2664a"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a94496f4e1181af69213ee72ad4e2664a">copy_to_host</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:aa7ec93c5a376610e3e7100e8b389591f"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#aa7ec93c5a376610e3e7100e8b389591f">copy_to_device</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td></tr>
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<tr class="memitem:a0caa167abc636a7c7af4c602496e61cd"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a0caa167abc636a7c7af4c602496e61cd">device_and_host_malloc</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td></tr>
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<tr class="memitem:adfe1bff4d8a864c6450bfe10adbed304"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#adfe1bff4d8a864c6450bfe10adbed304">device_and_host_free</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:af8cf3a57fb9d7b7e5906e5f5a5d87145"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#af8cf3a57fb9d7b7e5906e5f5a5d87145">buffer_copy</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *src, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *dst_device_interface, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *dst)</td></tr>
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<tr class="memitem:a8a091d3679d588771f88172b8a867bd2"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a8a091d3679d588771f88172b8a867bd2">device_crop</a> )(void *user_context, const struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *src, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *dst)</td></tr>
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<tr class="memitem:a3a61cbd45258f14821c95f9b62d38d29"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a3a61cbd45258f14821c95f9b62d38d29">device_release_crop</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:a165c8b301ca4f0013af7767a63afd753"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a165c8b301ca4f0013af7767a63afd753">wrap_native</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, uint64_t handle, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td></tr>
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<tr class="memitem:ad22c6f186583b56c91652261e905038f"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#ad22c6f186583b56c91652261e905038f">detach_native</a> )(void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td></tr>
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<tr class="memitem:a0fd396e5aa336a352d86cff51e6099dd"><td class="memItemLeft" align="right" valign="top">const struct halide_device_interface_impl_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structhalide__device__interface__t.html#a0fd396e5aa336a352d86cff51e6099dd">impl</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
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<div class="textblock"><p>Each GPU API provides a <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> struct pointing to the code that manages device allocations. You can access these functions directly from the struct member function pointers, or by calling the functions declared below. Note that the global functions are not available when using Halide as a JIT compiler. If you are using raw <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> in that context you must use the function pointers in the device_interface struct.</p>
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<p>The function pointers below are currently the same for every GPU API; only the impl field varies. These top-level functions do the bookkeeping that is common across all GPU APIs, and then dispatch to more API-specific functions via another set of function pointers hidden inside the impl field. </p>
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</div><h2 class="groupheader">类成员变量说明</h2>
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<td class="memname">int(* halide_device_interface_t::buffer_copy) (void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *src, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *dst_device_interface, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *dst)</td>
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<td class="memname">int(* halide_device_interface_t::device_and_host_malloc) (void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td>
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<td class="memname">int(* halide_device_interface_t::device_malloc) (void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ac7e27bf4acf3d42a41bca1ca15088170">◆ </a></span>device_sync</h2>
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<td class="memname">int(* halide_device_interface_t::device_sync) (void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a0fd396e5aa336a352d86cff51e6099dd">◆ </a></span>impl</h2>
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<td class="memname">const struct halide_device_interface_impl_t* halide_device_interface_t::impl</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a165c8b301ca4f0013af7767a63afd753">◆ </a></span>wrap_native</h2>
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<td class="memname">int(* halide_device_interface_t::wrap_native) (void *user_context, struct <a class="el" href="structhalide__buffer__t.html">halide_buffer_t</a> *buf, uint64_t handle, const struct <a class="el" href="structhalide__device__interface__t.html">halide_device_interface_t</a> *device_interface)</td>
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<hr/>该结构体的文档由以下文件生成:<ul>
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<li>include/<a class="el" href="_halide_runtime_8h_source.html">HalideRuntime.h</a></li>
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