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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 `acquire_next_image` fn in crate `vulkano`."><meta name="keywords" content="rust, rustlang, rust-lang, acquire_next_image"><title>vulkano::swapchain::acquire_next_image - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../vulkano/index.html'><div class='logo-container'><img src='https://raw.githubusercontent.com/vulkano-rs/vulkano/master/logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class='location'><a href='../index.html'>vulkano</a>::<wbr><a href='index.html'>swapchain</a></p><script>window.sidebarCurrent = {name: 'acquire_next_image', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/vulkano/swapchain/swapchain.rs.html#69-95' title='goto source code'>[src]</a></span><span class='in-band'>Function <a href='../index.html'>vulkano</a>::<wbr><a href='index.html'>swapchain</a>::<wbr><a class="fn" href=''>acquire_next_image</a></span></h1><pre class='rust fn'>pub fn acquire_next_image<W>(<br> swapchain: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><<a class="struct" href="../../vulkano/swapchain/struct.Swapchain.html" title="struct vulkano::swapchain::Swapchain">Swapchain</a><W>>, <br> timeout: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="../../vulkano/swapchain/struct.SwapchainAcquireFuture.html" title="struct vulkano::swapchain::SwapchainAcquireFuture">SwapchainAcquireFuture</a><W><a class="primitive" href="https://doc.rust-lang.org/ni
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<p>The function returns the index of the image in the array of images that was returned
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when creating the swapchain, plus a future that represents the moment when the image will
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become available from the GPU (which may not be <em>immediately</em>).</p>
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<p>If you try to draw on an image without acquiring it first, the execution will block. (TODO
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behavior may change).</p>
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