<!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="Source to the Rust file `src/canvas/managed/gpu_buffers.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>gpu_buffers.rs.html -- source</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 source"><!--[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='../../../../sfml_rust/index.html'><div class='logo-container'><img src='../../../../rust-logo.png' alt='logo'></div></a></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"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">image</span>::{<span class="ident">ImmutableImage</span>, <span class="ident">AttachmentImage</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">sync</span>::<span class="ident">Arc</span>;
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">format</span>::{<span class="ident">Format</span>, <span class="ident">R8Unorm</span>};
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">sampler</span>::<span class="ident">Sampler</span>;
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">descriptor</span>::<span class="ident">DescriptorSet</span>;
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">descriptor</span>::<span class="ident">descriptor_set</span>::<span class="ident">PersistentDescriptorSet</span>;
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">buffer</span>::{<span class="ident">CpuAccessibleBuffer</span>, <span class="ident">BufferAccess</span>};
<span class="kw">use</span> <span class="ident">vulkano</span>::<span class="ident">pipeline</span>::<span class="ident">GraphicsPipelineAbstract</span>;
<span class="kw">use</span> <span class="ident">rusttype</span>::<span class="ident">Font</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">canvas</span>::<span class="ident">managed</span>::<span class="ident">handles</span>::{<span class="ident">CanvasTextureHandle</span>, <span class="ident">CanvasImageHandle</span>, <span class="ident">CanvasFontHandle</span>};
<span class="doccomment">/// Canvas buffer which represents an allocated Texture with a key and dimensions</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CanvasTexture</span> {
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">handle</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">CanvasTextureHandle</span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">buffer</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">ImmutableImage</span><span class="op"><</span><span class="ident">Format</span><span class="op">></span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">name</span>: <span class="ident">String</span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">size</span>: (<span class="ident">u32</span>, <span class="ident">u32</span>),
}
<span class="kw">impl</span> <span class="ident">CanvasTexture</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_descriptor_set</span>(<span class="kw-2">&</span><span class="self">self</span>,
<span class="ident">pipeline</span>: <span class="ident">Arc</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">GraphicsPipelineAbstract</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Send</span><span class="op">></span>,
<span class="ident">sampler</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">Sampler</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">o</span>: <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> <span class="op">=</span> <span class="ident">Box</span>::<span class="ident">new</span>(
<span class="ident">PersistentDescriptorSet</span>::<span class="ident">start</span>(
<span class="ident">pipeline</span>.<span class="ident">clone</span>(), <span class="number">0</span>,
)
.<span class="ident">add_sampled_image</span>(<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">clone</span>(), <span class="ident">sampler</span>.<span class="ident">clone</span>()).<span class="ident">unwrap</span>()
.<span class="ident">build</span>().<span class="ident">unwrap</span>());
<span class="ident">o</span>
}
}
<span class="doccomment">/// Canvas buffer which represents an allocated image and dimension</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CanvasImage</span> {
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">handle</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">CanvasImageHandle</span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">buffer</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">AttachmentImage</span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">size</span>: (<span class="ident">u32</span>, <span class="ident">u32</span>),
}
<span class="kw">impl</span> <span class="ident">CanvasImage</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_descriptor_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">pipeline</span>: <span class="ident">Arc</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">GraphicsPipelineAbstract</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Send</span><span class="op">></span>)
<span class="op">-</span><span class="op">></span> <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">o</span>: <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> <span class="op">=</span> <span class="ident">Box</span>::<span class="ident">new</span>(
<span class="ident">PersistentDescriptorSet</span>::<span class="ident">start</span>(
<span class="ident">pipeline</span>.<span class="ident">clone</span>(), <span class="number">0</span>,
)
.<span class="ident">add_image</span>(<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">clone</span>()).<span class="ident">unwrap</span>()
.<span class="ident">build</span>().<span class="ident">unwrap</span>());
<span class="ident">o</span>
}
}
<span class="doccomment">/// Canvas Font which represents an allocated image and dimension</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CanvasFont</span> {
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">handle</span>: <span class="ident">Arc</span><span class="op"><</span><span class="ident">CanvasFontHandle</span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">buffer</span>: <span class="ident">Arc</span><span class="op"><</span>(<span class="kw">dyn</span> <span class="ident">BufferAccess</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span>)<span class="op">></span>, <span class="comment">// Font atlas</span>
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">font</span>: <span class="ident">Font</span><span class="op"><</span><span class="lifetime">'static</span><span class="op">></span>,
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">name</span>: <span class="ident">String</span>,
}
<span class="kw">impl</span> <span class="ident">CanvasFont</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_descriptor_set</span>(<span class="ident">pipeline</span>: <span class="ident">Arc</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">GraphicsPipelineAbstract</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Send</span><span class="op">></span>)
<span class="op">-</span><span class="op">></span> <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">o</span>: <span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span> <span class="op">=</span> <span class="ident">Box</span>::<span class="ident">new</span>(
<span class="ident">PersistentDescriptorSet</span>::<span class="ident">start</span>(
<span class="ident">pipeline</span>.<span class="ident">clone</span>(), <span class="number">0</span>,
)
.<span class="ident">build</span>().<span class="ident">unwrap</span>());
<span class="ident">o</span>
}
}
</pre></div>
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