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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 `BufferAccess` trait in crate `vulkano`."><meta name="keywords" content="rust, rustlang, rust-lang, BufferAccess"><title>vulkano::buffer::BufferAccess - 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 trait"><!--[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">&#9776;</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><p class='location'>Trait BufferAccess</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.conflict_key">conflict_key</a><a href="#tymethod.conflicts_buffer">conflicts_buffer</a><a href="#tymethod.conflicts_image">conflicts_image</a><a href="#tymethod.increase_gpu_lock">increase_gpu_lock</a><a href="#tymethod.inner">inner</a><a href="#tymethod.size">size</a><a href="#tymethod.try_gpu_lock">try_gpu_lock</a><a href="#tymethod.unlock">unlock</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.as_buffer_slice">as_buffer_slice</a><a href="#method.index">index</a><a href="#method.into_buffer_slice">into_buffer_slice</a><a href="#method.slice">slice</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>vulkano</a>::<wbr><a href='index.html'>buffer</a></p><script>window.sidebarCurrent = {name: 'BufferAccess', ty: 'trait', 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'>&#x2212;</span>]</a></span><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#26-139' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>vulkano</a>::<wbr><a href='index.html'>buffer</a>::<wbr><a class="trait" href=''>BufferAccess</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub unsafe trait BufferAccess: <a class="trait" href="../../vulkano/device/trait.DeviceOwned.html" title="trait vulkano::device::DeviceOwned">DeviceOwned</a> {
fn <a href='#tymethod.inner' class='fnname'>inner</a>(&amp;self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferInner.html" title="struct vulkano::buffer::BufferInner">BufferInner</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.size' class='fnname'>size</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.conflicts_buffer' class='fnname'>conflicts_buffer</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.conflicts_image' class='fnname'>conflicts_image</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/image/traits/trait.ImageAccess.html" title="trait vulkano::image::traits::ImageAccess">ImageAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.conflict_key' class='fnname'>conflict_key</a>(&amp;self) -&gt; <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.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;
<div class='item-spacer'></div> fn <a href='#tymethod.try_gpu_lock' class='fnname'>try_gpu_lock</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;exclusive_access: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;queue: &amp;<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="../../vulkano/sync/enum.AccessError.html" title="enum vulkano::sync::AccessError">AccessError</a>&gt;;
<div class='item-spacer'></div> unsafe fn <a href='#tymethod.increase_gpu_lock' class='fnname'>increase_gpu_lock</a>(&amp;self);
<div class='item-spacer'></div> unsafe fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&amp;self);
fn <a href='#method.as_buffer_slice' class='fnname'>as_buffer_slice</a>(&amp;self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;Self::<a class="type" href="../../vulkano/buffer/trait.TypedBufferAccess.html#associatedtype.Content" title="type vulkano::buffer::TypedBufferAccess::Content">Content</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt;<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a></span>,
{ ... }
<div class='item-spacer'></div> fn <a href='#method.slice' class='fnname'>slice</a>&lt;T&gt;(&amp;self, range: <a class="struct" href="https://doc.rust-lang.org/nightly/core/ops/range/struct.Range.html" title="struct core::ops::range::Range">Range</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt;&gt;<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>&lt;Content = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>&gt;</span>,
{ ... }
<div class='item-spacer'></div> fn <a href='#method.into_buffer_slice' class='fnname'>into_buffer_slice</a>(self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;Self::<a class="type" href="../../vulkano/buffer/trait.TypedBufferAccess.html#associatedtype.Content" title="type vulkano::buffer::TypedBufferAccess::Content">Content</a>, Self&gt;<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a></span>,
{ ... }
<div class='item-spacer'></div> fn <a href='#method.index' class='fnname'>index</a>&lt;T&gt;(&amp;self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt;&gt;<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>&lt;Content = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>&gt;</span>,
{ ... }
}</pre></div><div class='docblock'><p>Trait for objects that represent a way for the GPU to have access to a buffer or a slice of a
buffer.</p>
<p>See also <code>TypedBufferAccess</code>.</p>
</div>
<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.inner' class='method'><code id='inner.v'>fn <a href='#tymethod.inner' class='fnname'>inner</a>(&amp;self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferInner.html" title="struct vulkano::buffer::BufferInner">BufferInner</a></code></h3><div class='docblock'><p>Returns the inner information about this buffer.</p>
</div><h3 id='tymethod.size' class='method'><code id='size.v'>fn <a href='#tymethod.size' class='fnname'>size</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code></h3><div class='docblock'><p>Returns the size of the buffer in bytes.</p>
</div><h3 id='tymethod.conflicts_buffer' class='method'><code id='conflicts_buffer.v'>fn <a href='#tymethod.conflicts_buffer' class='fnname'>conflicts_buffer</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></h3><div class='docblock'><p>Returns true if an access to <code>self</code> potentially overlaps the same memory as an access to
<code>other</code>.</p>
<p>If this function returns <code>false</code>, this means that we are allowed to mutably access the
content of <code>self</code> at the same time as the content of <code>other</code> without causing a data
race.</p>
<p>Note that the function must be transitive. In other words if <code>conflicts(a, b)</code> is true and
<code>conflicts(b, c)</code> is true, then <code>conflicts(a, c)</code> must be true as well.</p>
</div><h3 id='tymethod.conflicts_image' class='method'><code id='conflicts_image.v'>fn <a href='#tymethod.conflicts_image' class='fnname'>conflicts_image</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/image/traits/trait.ImageAccess.html" title="trait vulkano::image::traits::ImageAccess">ImageAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></h3><div class='docblock'><p>Returns true if an access to <code>self</code> potentially overlaps the same memory as an access to
<code>other</code>.</p>
<p>If this function returns <code>false</code>, this means that we are allowed to mutably access the
content of <code>self</code> at the same time as the content of <code>other</code> without causing a data
race.</p>
<p>Note that the function must be transitive. In other words if <code>conflicts(a, b)</code> is true and
<code>conflicts(b, c)</code> is true, then <code>conflicts(a, c)</code> must be true as well.</p>
</div><h3 id='tymethod.conflict_key' class='method'><code id='conflict_key.v'>fn <a href='#tymethod.conflict_key' class='fnname'>conflict_key</a>(&amp;self) -&gt; <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.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></h3><div class='docblock'><p>Returns a key that uniquely identifies the buffer. Two buffers or images that potentially
overlap in memory must return the same key.</p>
<p>The key is shared amongst all buffers and images, which means that you can make several
different buffer objects share the same memory, or make some buffer objects share memory
with images, as long as they return the same key.</p>
<p>Since it is possible to accidentally return the same key for memory ranges that don't
overlap, the <code>conflicts_buffer</code> or <code>conflicts_image</code> function should always be called to
verify whether they actually overlap.</p>
</div><h3 id='tymethod.try_gpu_lock' class='method'><code id='try_gpu_lock.v'>fn <a href='#tymethod.try_gpu_lock' class='fnname'>try_gpu_lock</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;exclusive_access: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;queue: &amp;<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="../../vulkano/sync/enum.AccessError.html" title="enum vulkano::sync::AccessError">AccessError</a>&gt;</code></h3><div class='docblock'><p>Locks the resource for usage on the GPU. Returns an error if the lock can't be acquired.</p>
<p>This function exists to prevent the user from causing a data race by reading and writing
to the same resource at the same time.</p>
<p>If you call this function, you should call <code>unlock()</code> once the resource is no longer in use
by the GPU. The implementation is not expected to automatically perform any unlocking and
can rely on the fact that <code>unlock()</code> is going to be called.</p>
</div><h3 id='tymethod.increase_gpu_lock' class='method'><code id='increase_gpu_lock.v'>unsafe fn <a href='#tymethod.increase_gpu_lock' class='fnname'>increase_gpu_lock</a>(&amp;self)</code></h3><div class='docblock'><p>Locks the resource for usage on the GPU. Supposes that the resource is already locked, and
simply increases the lock by one.</p>
<p>Must only be called after <code>try_gpu_lock()</code> succeeded.</p>
<p>If you call this function, you should call <code>unlock()</code> once the resource is no longer in use
by the GPU. The implementation is not expected to automatically perform any unlocking and
can rely on the fact that <code>unlock()</code> is going to be called.</p>
</div><h3 id='tymethod.unlock' class='method'><code id='unlock.v'>unsafe fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&amp;self)</code></h3><div class='docblock'><p>Unlocks the resource previously acquired with <code>try_gpu_lock</code> or <code>increase_gpu_lock</code>.</p>
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
<p>Must only be called once per previous lock.</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.as_buffer_slice' class='method'><code id='as_buffer_slice.v'>fn <a href='#method.as_buffer_slice' class='fnname'>as_buffer_slice</a>(&amp;self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;Self::<a class="type" href="../../vulkano/buffer/trait.TypedBufferAccess.html#associatedtype.Content" title="type vulkano::buffer::TypedBufferAccess::Content">Content</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>,&nbsp;</span></code></h3><div class='docblock'><p>Builds a <code>BufferSlice</code> object holding the buffer by reference.</p>
</div><h3 id='method.slice' class='method'><code id='slice.v'>fn <a href='#method.slice' class='fnname'>slice</a>&lt;T&gt;(&amp;self, range: <a class="struct" href="https://doc.rust-lang.org/nightly/core/ops/range/struct.Range.html" title="struct core::ops::range::Range">Range</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>&lt;Content = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>&gt;,&nbsp;</span></code></h3><div class='docblock'><p>Builds a <code>BufferSlice</code> object holding part of the buffer by reference.</p>
<p>This method can only be called for buffers whose type is known to be an array.</p>
<p>This method can be used when you want to perform an operation on some part of the buffer
and not on the whole buffer.</p>
<p>Returns <code>None</code> if out of range.</p>
</div><h3 id='method.into_buffer_slice' class='method'><code id='into_buffer_slice.v'>fn <a href='#method.into_buffer_slice' class='fnname'>into_buffer_slice</a>(self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;Self::<a class="type" href="../../vulkano/buffer/trait.TypedBufferAccess.html#associatedtype.Content" title="type vulkano::buffer::TypedBufferAccess::Content">Content</a>, Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>,&nbsp;</span></code></h3><div class='docblock'><p>Builds a <code>BufferSlice</code> object holding the buffer by value.</p>
</div><h3 id='method.index' class='method'><code id='index.v'>fn <a href='#method.index' class='fnname'>index</a>&lt;T&gt;(&amp;self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../../vulkano/buffer/struct.BufferSlice.html" title="struct vulkano::buffer::BufferSlice">BufferSlice</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../vulkano/buffer/trait.TypedBufferAccess.html" title="trait vulkano::buffer::TypedBufferAccess">TypedBufferAccess</a>&lt;Content = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a>T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>&gt;,&nbsp;</span></code></h3><div class='docblock'><p>Builds a <code>BufferSlice</code> object holding part of the buffer by reference.</p>
<p>This method can only be called for buffers whose type is known to be an array.</p>
<p>This method can be used when you want to perform an operation on a specific element of the
buffer and not on the whole buffer.</p>
<p>Returns <code>None</code> if out of range.</p>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-BufferAccess' class='impl'><code class='in-band'>impl&lt;T&gt; BufferAccess for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../../vulkano/trait.SafeDeref.html" title="trait vulkano::SafeDeref">SafeDeref</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;T::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>: <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>,&nbsp;</span></code><a href='#impl-BufferAccess' class='anchor'></a><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#151-194' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.inner' class="method hidden"><code id='inner.v-1'>fn <a href='#method.inner' class='fnname'>inner</a>(&amp;self) -&gt; <a class="struct" href="../../vulkano/buffer/struct.BufferInner.html" title="struct vulkano::buffer::BufferInner">BufferInner</a></code><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#156-158' title='goto source code'>[src]</a></h4><h4 id='method.size' class="method hidden"><code id='size.v-1'>fn <a href='#method.size' class='fnname'>size</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#161-163' title='goto source code'>[src]</a></h4><h4 id='method.conflicts_buffer' class="method hidden"><code id='conflicts_buffer.v-1'>fn <a href='#method.conflicts_buffer' class='fnname'>conflicts_buffer</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#166-168' title='goto source code'>[src]</a></h4><h4 id='method.conflicts_image' class="method hidden"><code id='conflicts_image.v-1'>fn <a href='#method.conflicts_image' class='fnname'>conflicts_image</a>(&amp;self, other: &amp;dyn <a class="trait" href="../../vulkano/image/traits/trait.ImageAccess.html" title="trait vulkano::image::traits::ImageAccess">ImageAccess</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#171-173' title='goto source code'>[src]</a></h4><h4 id='method.conflict_key' class="method hidden"><code id='conflict_key.v-1'>fn <a href='#method.conflict_key' class='fnname'>conflict_key</a>(&amp;self) -&gt; <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.u64.html">u64</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code><a class='srclink' href='../../src/vulkano/buffer/traits.rs.html#176-178' title='goto source code'>[src]</a></h4><h4 id='method.try_gpu_lock' class="method hidden"><code id='try_gpu_lock.v-1'>fn <a href='#method.try_gpu_lock' class='fnname'>try_gpu_lock</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;exclusive_access: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;queue: &amp;<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="http
src="../../implementors/vulkano/buffer/trait.BufferAccess.js">
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