<!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 `/home/mrh/source/shade_runner/src/layouts.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>layouts.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='../../shade_runner/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="kw">crate</span>::<span class="ident">vk</span>;
<span class="kw">use</span> <span class="ident">vk</span>::<span class="ident">pipeline</span>::<span class="ident">shader</span>::<span class="kw-2">*</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">vk</span>::<span class="ident">pipeline</span>::<span class="ident">shader</span>::<span class="ident">ShaderInterfaceDef</span>;
<span class="kw">use</span> <span class="ident">vk</span>::<span class="ident">descriptor</span>::<span class="ident">descriptor</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">vk</span>::<span class="ident">descriptor</span>::<span class="ident">pipeline_layout</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">reflection</span>::<span class="ident">LayoutData</span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Default</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Entry</span> {
<span class="kw">pub</span> <span class="ident">input</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Input</span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">output</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Output</span><span class="op">></span>,
<span class="kw">pub</span> <span class="ident">layout</span>: <span class="ident">Layout</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Default</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Input</span> {
<span class="kw">pub</span> <span class="ident">inputs</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">ShaderInterfaceDefEntry</span><span class="op">></span>,
}
<span class="kw">unsafe</span> <span class="kw">impl</span> <span class="ident">ShaderInterfaceDef</span> <span class="kw">for</span> <span class="ident">Input</span> {
<span class="kw">type</span> <span class="ident">Iter</span> <span class="op">=</span> <span class="ident">InputIter</span>;
<span class="kw">fn</span> <span class="ident">elements</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">InputIter</span> {
<span class="self">self</span>.<span class="ident">inputs</span>.<span class="ident">clone</span>().<span class="ident">into_iter</span>()
}
}
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">InputIter</span> <span class="op">=</span> <span class="ident">std</span>::<span class="ident">vec</span>::<span class="ident">IntoIter</span><span class="op"><</span><span class="ident">ShaderInterfaceDefEntry</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Default</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Output</span> {
<span class="kw">pub</span> <span class="ident">outputs</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">ShaderInterfaceDefEntry</span><span class="op">></span>,
}
<span class="kw">unsafe</span> <span class="kw">impl</span> <span class="ident">ShaderInterfaceDef</span> <span class="kw">for</span> <span class="ident">Output</span> {
<span class="kw">type</span> <span class="ident">Iter</span> <span class="op">=</span> <span class="ident">OutputIter</span>;
<span class="kw">fn</span> <span class="ident">elements</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">OutputIter</span> {
<span class="self">self</span>.<span class="ident">outputs</span>.<span class="ident">clone</span>().<span class="ident">into_iter</span>()
}
}
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">OutputIter</span> <span class="op">=</span> <span class="ident">std</span>::<span class="ident">vec</span>::<span class="ident">IntoIter</span><span class="op"><</span><span class="ident">ShaderInterfaceDefEntry</span><span class="op">></span>;
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Default</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Layout</span> {
<span class="kw">pub</span> <span class="ident">layout_data</span>: <span class="ident">LayoutData</span>,
}
<span class="kw">impl</span> <span class="ident">Layout</span> {
<span class="kw">const</span> <span class="ident">STAGES</span>: <span class="ident">ShaderStages</span> <span class="op">=</span> <span class="ident">ShaderStages</span> {
<span class="ident">vertex</span>: <span class="bool-val">false</span>,
<span class="ident">tessellation_control</span>: <span class="bool-val">false</span>,
<span class="ident">tessellation_evaluation</span>: <span class="bool-val">false</span>,
<span class="ident">geometry</span>: <span class="bool-val">false</span>,
<span class="ident">fragment</span>: <span class="bool-val">true</span>,
<span class="ident">compute</span>: <span class="bool-val">false</span>,
};
}
<span class="kw">unsafe</span> <span class="kw">impl</span> <span class="ident">PipelineLayoutDesc</span> <span class="kw">for</span> <span class="ident">Layout</span> {
<span class="kw">fn</span> <span class="ident">num_sets</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">usize</span> {
<span class="self">self</span>.<span class="ident">layout_data</span>.<span class="ident">num_sets</span>
}
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">layout_data</span>.<span class="ident">num_bindings</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="ident">set</span>).<span class="ident">map</span>(<span class="op">|</span><span class="kw-2">&</span><span class="ident">b</span><span class="op">|</span><span class="ident">b</span>)
}
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>, <span class="ident">binding</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">layout_data</span>.<span class="ident">descriptions</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="ident">set</span>)
.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">s</span><span class="op">|</span><span class="ident">s</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="ident">binding</span>))
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">desc</span><span class="op">|</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">desc</span> <span class="op">=</span> <span class="ident">desc</span>.<span class="ident">clone</span>();
<span class="ident">desc</span>.<span class="ident">stages</span> <span class="op">=</span> <span class="ident">Layout</span>::<span class="ident">STAGES</span>;
<span class="ident">desc</span>
})
}
<span class="kw">fn</span> <span class="ident">num_push_constants_ranges</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">usize</span> {
<span class="self">self</span>.<span class="ident">layout_data</span>.<span class="ident">num_constants</span>
}
<span class="kw">fn</span> <span class="ident">push_constants_range</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">num</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">PipelineLayoutDescPcRange</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">layout_data</span>.<span class="ident">pc_ranges</span>.<span class="ident">get</span>(<span class="ident">num</span>)
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">desc</span><span class="op">|</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">desc</span> <span class="op">=</span> <span class="kw-2">*</span><span class="ident">desc</span>;
<span class="ident">desc</span>.<span class="ident">stages</span> <span class="op">=</span> <span class="ident">Layout</span>::<span class="ident">STAGES</span>;
<span class="ident">desc</span>
})
}
}</pre></div>
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