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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `HalApi` trait in crate `wgpu_core`."><title>HalApi in wgpu_core::hal_api - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="wgpu_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.0 (9fc6b4312 2025-01-07)" data-channel="1.84.0" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../../static.files/storage-59e33391.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../wgpu_core/index.html">wgpu_<wbr>core</a><span class="version">23.0.1</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">HalApi</a></h2><h3><a href="#required-associated-consts">Required Associated Constants</a></h3><ul class="block"><li><a href="#associatedconstant.VARIANT" title="VARIANT">VARIANT</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In wgpu_<wbr>core::<wbr>hal_<wbr>api</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="../index.html">wgpu_core</a>::<wbr><a href="index.html">hal_api</a></span><h1>Trait <span class="trait">HalApi</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/wgpu_core/hal_api.rs.html#3-5">Source</a> </span></div><pre class="rust item-decl"><code>pub trait HalApi:
<a class="trait" href="../../wgpu_hal/trait.Api.html" title="trait wgpu_hal::Api">Api</a>
+ 'static
+ <a class="trait" href="../../wgpu_types/send_sync/trait.WasmNotSendSync.html" title="trait wgpu_types::send_sync::WasmNotSendSync">WasmNotSendSync</a> {
const <a href="#associatedconstant.VARIANT" class="constant">VARIANT</a>: <a class="enum" href="../../wgpu_types/enum.Backend.html" title="enum wgpu_types::Backend">Backend</a>;
}</code></pre><h2 id="required-associated-consts" class="section-header">Required Associated Constants<a href="#required-associated-consts" class="anchor">§</a></h2><div class="methods"><section id="associatedconstant.VARIANT" class="method"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#4">Source</a><h4 class="code-header">const <a href="#associatedconstant.VARIANT" class="constant">VARIANT</a>: <a class="enum" href="../../wgpu_types/enum.Backend.html" title="enum wgpu_types::Backend">Backend</a></h4></section></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.84.0/reference/items/traits.html#object-safety">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-HalApi-for-Api" class="impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#7-9">Source</a><a href="#impl-HalApi-for-Api" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HalApi.html" title="trait wgpu_core::hal_api::HalApi">HalApi</a> for <a class="struct" href="../api/struct.Empty.html" title="struct wgpu_core::api::Empty">Empty</a></h3></section></summary><div class="impl-items"><section id="associatedconstant.VARIANT-1" class="associatedconstant trait-impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#8">Source</a><a href="#associatedconstant.VARIANT-1" class="anchor">§</a><h4 class="code-header">const <a href="#associatedconstant.VARIANT" class="constant">VARIANT</a>: <a class="enum" href="../../wgpu_types/enum.Backend.html" title="enum wgpu_types::Backend">Backend</a> = Backend::Empty</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-HalApi-for-Api-1" class="impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#27-29">Source</a><a href="#impl-HalApi-for-Api-1" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HalApi.html" title="trait wgpu_core::hal_api::HalApi">HalApi</a> for <a class="struct" href="../api/struct.Gles.html" title="struct wgpu_core::api::Gles">Gles</a></h3></section></summary><div class="impl-items"><section id="associatedconstant.VARIANT-2" class="associatedconstant trait-impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#28">Source</a><a href="#associatedconstant.VARIANT-2" class="anchor">§</a><h4 class="code-header">const <a href="#associatedconstant.VARIANT" class="constant">VARIANT</a>: <a class="enum" href="../../wgpu_types/enum.Backend.html" title="enum wgpu_types::Backend">Backend</a> = Backend::Gl</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-HalApi-for-Api-2" class="impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#12-14">Source</a><a href="#impl-HalApi-for-Api-2" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HalApi.html" title="trait wgpu_core::hal_api::HalApi">HalApi</a> for <a class="struct" href="../api/struct.Vulkan.html" title="struct wgpu_core::api::Vulkan">Vulkan</a></h3></section></summary><div class="impl-items"><section id="associatedconstant.VARIANT-3" class="associatedconstant trait-impl"><a class="src rightside" href="../../src/wgpu_core/hal_api.rs.html#13">Source</a><a href="#associatedconstant.VARIANT-3" class="anchor">§</a><h4 class="code-header">const <a href="#associatedconstant.VARIANT" class="constant">VARIANT</a>: <a class="enum" href="../../wgpu_types/enum.Backend.html" title="enum wgpu_types::Backend">Backend</a> = Backend::Vulkan</h4></section></div></details></div><script src="../../trait.impl/wgpu_core/hal_api/trait.HalApi.js" data-ignore-extern-crates="wgpu_hal" async></script></section></div></main></body></html>