141 lines
45 KiB
HTML
141 lines
45 KiB
HTML
<!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="Encodes a series of GPU operations."><title>CommandEncoder in wgpu - 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" 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 struct"><!--[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><a class="logo-container" href="../wgpu/index.html"><img src="https://raw.githubusercontent.com/gfx-rs/wgpu/trunk/logo.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../wgpu/index.html"><img src="https://raw.githubusercontent.com/gfx-rs/wgpu/trunk/logo.png" alt="logo"></a><h2><a href="../wgpu/index.html">wgpu</a><span class="version">23.0.1</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Command<wbr>Encoder</a></h2><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.as_hal_mut" title="as_hal_mut">as_hal_mut</a></li><li><a href="#method.begin_compute_pass" title="begin_compute_pass">begin_compute_pass</a></li><li><a href="#method.begin_render_pass" title="begin_render_pass">begin_render_pass</a></li><li><a href="#method.clear_buffer" title="clear_buffer">clear_buffer</a></li><li><a href="#method.clear_texture" title="clear_texture">clear_texture</a></li><li><a href="#method.copy_buffer_to_buffer" title="copy_buffer_to_buffer">copy_buffer_to_buffer</a></li><li><a href="#method.copy_buffer_to_texture" title="copy_buffer_to_texture">copy_buffer_to_texture</a></li><li><a href="#method.copy_texture_to_buffer" title="copy_texture_to_buffer">copy_texture_to_buffer</a></li><li><a href="#method.copy_texture_to_texture" title="copy_texture_to_texture">copy_texture_to_texture</a></li><li><a href="#method.finish" title="finish">finish</a></li><li><a href="#method.insert_debug_marker" title="insert_debug_marker">insert_debug_marker</a></li><li><a href="#method.pop_debug_group" title="pop_debug_group">pop_debug_group</a></li><li><a href="#method.push_debug_group" title="push_debug_group">push_debug_group</a></li><li><a href="#method.resolve_query_set" title="resolve_query_set">resolve_query_set</a></li><li><a href="#method.write_timestamp" title="write_timestamp">write_timestamp</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-CommandEncoder" title="Debug">Debug</a></li><li><a href="#impl-Drop-for-CommandEncoder" title="Drop">Drop</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-CommandEncoder" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-UnwindSafe-for-CommandEncoder" title="!UnwindSafe">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-CommandEncoder" title="Freeze">Freeze</a></li><li><a href="#impl-Send-for-CommandEncoder" title="Send">Send</a></li><li><a href="#impl-Sync-for-CommandEncoder" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-CommandEncoder" title="Unpin">Unpin</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-Downcast%3CT%3E-for-T" title="Downcast<T>">Downcast<T></a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li><li><a href="#impl-Upcast%3CT%3E-for-T" title="Upcast<T>">Upcast<T></a></li><li><a href="#impl-WasmNotSend-for-T" title="WasmNotSend">WasmNotSend</a></li><li><a href="#impl-WasmNotSendSync-for-T" title="WasmNotSendSync">WasmNotSendSync</a></li><li><a href="#impl-WasmNotSync-for-T" title="WasmNotSync">WasmNotSync</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate wgpu</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</a></span><h1>Struct <span class="struct">CommandEncoder</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/api/command_encoder.rs.html#16-19">Source</a> </span></div><pre class="rust item-decl"><code>pub struct CommandEncoder { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Encodes a series of GPU operations.</p>
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<p>A command encoder can record <a href="struct.RenderPass.html" title="struct wgpu::RenderPass"><code>RenderPass</code></a>es, <a href="struct.ComputePass.html" title="struct wgpu::ComputePass"><code>ComputePass</code></a>es,
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and transfer operations between driver-managed resources like <a href="struct.Buffer.html" title="struct wgpu::Buffer"><code>Buffer</code></a>s and <a href="struct.Texture.html" title="struct wgpu::Texture"><code>Texture</code></a>s.</p>
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<p>When finished recording, call <a href="struct.CommandEncoder.html#method.finish" title="method wgpu::CommandEncoder::finish"><code>CommandEncoder::finish</code></a> to obtain a <a href="struct.CommandBuffer.html" title="struct wgpu::CommandBuffer"><code>CommandBuffer</code></a> which may
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be submitted for execution.</p>
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<p>Corresponds to <a href="https://gpuweb.github.io/gpuweb/#command-encoder">WebGPU <code>GPUCommandEncoder</code></a>.</p>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-CommandEncoder" class="impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#68-318">Source</a><a href="#impl-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.finish" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#70-76">Source</a><h4 class="code-header">pub fn <a href="#method.finish" class="fn">finish</a>(self) -> <a class="struct" href="struct.CommandBuffer.html" title="struct wgpu::CommandBuffer">CommandBuffer</a></h4></section></summary><div class="docblock"><p>Finishes recording and returns a <a href="struct.CommandBuffer.html" title="struct wgpu::CommandBuffer"><code>CommandBuffer</code></a> that can be submitted for execution.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.begin_render_pass" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#88-101">Source</a><h4 class="code-header">pub fn <a href="#method.begin_render_pass" class="fn">begin_render_pass</a><'encoder>(
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&'encoder mut self,
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desc: &<a class="struct" href="struct.RenderPassDescriptor.html" title="struct wgpu::RenderPassDescriptor">RenderPassDescriptor</a><'_>,
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) -> <a class="struct" href="struct.RenderPass.html" title="struct wgpu::RenderPass">RenderPass</a><'encoder></h4></section></summary><div class="docblock"><p>Begins recording of a render pass.</p>
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<p>This function returns a <a href="struct.RenderPass.html" title="struct wgpu::RenderPass"><code>RenderPass</code></a> object which records a single render pass.</p>
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<p>As long as the returned <a href="struct.RenderPass.html" title="struct wgpu::RenderPass"><code>RenderPass</code></a> has not ended,
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any mutating operation on this command encoder causes an error and invalidates it.
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Note that the <code>'encoder</code> lifetime relationship protects against this,
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but it is possible to opt out of it by calling <a href="struct.RenderPass.html#method.forget_lifetime" title="method wgpu::RenderPass::forget_lifetime"><code>RenderPass::forget_lifetime</code></a>.
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This can be useful for runtime handling of the encoder->pass
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dependency e.g. when pass and encoder are stored in the same data structure.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.begin_compute_pass" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#113-129">Source</a><h4 class="code-header">pub fn <a href="#method.begin_compute_pass" class="fn">begin_compute_pass</a><'encoder>(
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&'encoder mut self,
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desc: &<a class="struct" href="struct.ComputePassDescriptor.html" title="struct wgpu::ComputePassDescriptor">ComputePassDescriptor</a><'_>,
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) -> <a class="struct" href="struct.ComputePass.html" title="struct wgpu::ComputePass">ComputePass</a><'encoder></h4></section></summary><div class="docblock"><p>Begins recording of a compute pass.</p>
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<p>This function returns a <a href="struct.ComputePass.html" title="struct wgpu::ComputePass"><code>ComputePass</code></a> object which records a single compute pass.</p>
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<p>As long as the returned <a href="struct.ComputePass.html" title="struct wgpu::ComputePass"><code>ComputePass</code></a> has not ended,
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any mutating operation on this command encoder causes an error and invalidates it.
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Note that the <code>'encoder</code> lifetime relationship protects against this,
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but it is possible to opt out of it by calling <a href="struct.ComputePass.html#method.forget_lifetime" title="method wgpu::ComputePass::forget_lifetime"><code>ComputePass::forget_lifetime</code></a>.
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This can be useful for runtime handling of the encoder->pass
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dependency e.g. when pass and encoder are stored in the same data structure.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.copy_buffer_to_buffer" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#138-155">Source</a><h4 class="code-header">pub fn <a href="#method.copy_buffer_to_buffer" class="fn">copy_buffer_to_buffer</a>(
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&mut self,
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source: &<a class="struct" href="struct.Buffer.html" title="struct wgpu::Buffer">Buffer</a>,
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source_offset: <a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>,
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destination: &<a class="struct" href="struct.Buffer.html" title="struct wgpu::Buffer">Buffer</a>,
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destination_offset: <a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>,
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copy_size: <a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>,
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)</h4></section></summary><div class="docblock"><p>Copy data from one buffer to another.</p>
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<h5 id="panics"><a class="doc-anchor" href="#panics">§</a>Panics</h5>
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<ul>
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<li>Buffer offsets or copy size not a multiple of <a href="constant.COPY_BUFFER_ALIGNMENT.html" title="constant wgpu::COPY_BUFFER_ALIGNMENT"><code>COPY_BUFFER_ALIGNMENT</code></a>.</li>
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<li>Copy would overrun buffer.</li>
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<li>Copy within the same buffer.</li>
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</ul>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.copy_buffer_to_texture" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#158-171">Source</a><h4 class="code-header">pub fn <a href="#method.copy_buffer_to_texture" class="fn">copy_buffer_to_texture</a>(
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&mut self,
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source: <a class="type" href="type.ImageCopyBuffer.html" title="type wgpu::ImageCopyBuffer">ImageCopyBuffer</a><'_>,
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destination: <a class="type" href="type.ImageCopyTexture.html" title="type wgpu::ImageCopyTexture">ImageCopyTexture</a><'_>,
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copy_size: <a class="struct" href="struct.Extent3d.html" title="struct wgpu::Extent3d">Extent3d</a>,
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)</h4></section></summary><div class="docblock"><p>Copy data from a buffer to a texture.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.copy_texture_to_buffer" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#174-187">Source</a><h4 class="code-header">pub fn <a href="#method.copy_texture_to_buffer" class="fn">copy_texture_to_buffer</a>(
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&mut self,
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source: <a class="type" href="type.ImageCopyTexture.html" title="type wgpu::ImageCopyTexture">ImageCopyTexture</a><'_>,
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destination: <a class="type" href="type.ImageCopyBuffer.html" title="type wgpu::ImageCopyBuffer">ImageCopyBuffer</a><'_>,
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copy_size: <a class="struct" href="struct.Extent3d.html" title="struct wgpu::Extent3d">Extent3d</a>,
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)</h4></section></summary><div class="docblock"><p>Copy data from a texture to a buffer.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.copy_texture_to_texture" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#196-209">Source</a><h4 class="code-header">pub fn <a href="#method.copy_texture_to_texture" class="fn">copy_texture_to_texture</a>(
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&mut self,
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source: <a class="type" href="type.ImageCopyTexture.html" title="type wgpu::ImageCopyTexture">ImageCopyTexture</a><'_>,
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destination: <a class="type" href="type.ImageCopyTexture.html" title="type wgpu::ImageCopyTexture">ImageCopyTexture</a><'_>,
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copy_size: <a class="struct" href="struct.Extent3d.html" title="struct wgpu::Extent3d">Extent3d</a>,
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)</h4></section></summary><div class="docblock"><p>Copy data from one texture to another.</p>
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<h5 id="panics-1"><a class="doc-anchor" href="#panics-1">§</a>Panics</h5>
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<ul>
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<li>Textures are not the same type</li>
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<li>If a depth texture, or a multisampled texture, the entire texture must be copied</li>
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<li>Copy would overrun either texture</li>
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</ul>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.clear_texture" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#224-231">Source</a><h4 class="code-header">pub fn <a href="#method.clear_texture" class="fn">clear_texture</a>(
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&mut self,
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texture: &<a class="struct" href="struct.Texture.html" title="struct wgpu::Texture">Texture</a>,
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subresource_range: &<a class="struct" href="struct.ImageSubresourceRange.html" title="struct wgpu::ImageSubresourceRange">ImageSubresourceRange</a>,
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)</h4></section></summary><div class="docblock"><p>Clears texture to zero.</p>
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<p>Note that unlike with clear_buffer, <code>COPY_DST</code> usage is not required.</p>
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<h5 id="implementation-notes"><a class="doc-anchor" href="#implementation-notes">§</a>Implementation notes</h5>
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<ul>
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<li>implemented either via buffer copies and render/depth target clear, path depends on texture usages</li>
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<li>behaves like texture zero init, but is performed immediately (clearing is <em>not</em> delayed via marking it as uninitialized)</li>
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</ul>
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<h5 id="panics-2"><a class="doc-anchor" href="#panics-2">§</a>Panics</h5>
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<ul>
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<li><code>CLEAR_TEXTURE</code> extension not enabled</li>
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<li>Range is out of bounds</li>
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</ul>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.clear_buffer" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#239-252">Source</a><h4 class="code-header">pub fn <a href="#method.clear_buffer" class="fn">clear_buffer</a>(
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&mut self,
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buffer: &<a class="struct" href="struct.Buffer.html" title="struct wgpu::Buffer">Buffer</a>,
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offset: <a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>,
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size: <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>>,
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)</h4></section></summary><div class="docblock"><p>Clears buffer to zero.</p>
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<h5 id="panics-3"><a class="doc-anchor" href="#panics-3">§</a>Panics</h5>
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<ul>
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<li>Buffer does not have <code>COPY_DST</code> usage.</li>
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<li>Range is out of bounds</li>
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</ul>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.insert_debug_marker" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#255-257">Source</a><h4 class="code-header">pub fn <a href="#method.insert_debug_marker" class="fn">insert_debug_marker</a>(&mut self, label: &<a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.str.html">str</a>)</h4></section></summary><div class="docblock"><p>Inserts debug marker.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.push_debug_group" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#260-262">Source</a><h4 class="code-header">pub fn <a href="#method.push_debug_group" class="fn">push_debug_group</a>(&mut self, label: &<a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.str.html">str</a>)</h4></section></summary><div class="docblock"><p>Start record commands and group it into debug marker group.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.pop_debug_group" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#265-267">Source</a><h4 class="code-header">pub fn <a href="#method.pop_debug_group" class="fn">pop_debug_group</a>(&mut self)</h4></section></summary><div class="docblock"><p>Stops command recording and creates debug group.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.resolve_query_set" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#273-289">Source</a><h4 class="code-header">pub fn <a href="#method.resolve_query_set" class="fn">resolve_query_set</a>(
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&mut self,
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query_set: &<a class="struct" href="struct.QuerySet.html" title="struct wgpu::QuerySet">QuerySet</a>,
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query_range: <a class="struct" href="https://doc.rust-lang.org/1.84.0/core/ops/range/struct.Range.html" title="struct core::ops::range::Range">Range</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.u32.html">u32</a>>,
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destination: &<a class="struct" href="struct.Buffer.html" title="struct wgpu::Buffer">Buffer</a>,
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destination_offset: <a class="type" href="type.BufferAddress.html" title="type wgpu::BufferAddress">BufferAddress</a>,
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)</h4></section></summary><div class="docblock"><p>Resolves a query set, writing the results into the supplied destination buffer.</p>
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<p>Occlusion and timestamp queries are 8 bytes each (see <a href="constant.QUERY_SIZE.html" title="constant wgpu::QUERY_SIZE"><code>crate::QUERY_SIZE</code></a>). For pipeline statistics queries,
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see <a href="struct.PipelineStatisticsTypes.html" title="struct wgpu::PipelineStatisticsTypes"><code>PipelineStatisticsTypes</code></a> for more information.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.as_hal_mut" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#300-317">Source</a><h4 class="code-header">pub unsafe fn <a href="#method.as_hal_mut" class="fn">as_hal_mut</a><A: <a class="trait" href="../wgpu_core/hal_api/trait.HalApi.html" title="trait wgpu_core::hal_api::HalApi">HalApi</a>, F: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut A::<a class="associatedtype" href="../wgpu_hal/trait.Api.html#associatedtype.CommandEncoder" title="type wgpu_hal::Api::CommandEncoder">CommandEncoder</a>>) -> R, R>(
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&mut self,
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hal_command_encoder_callback: F,
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) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><R></h4></section></summary><div class="docblock"><p>Returns the inner hal CommandEncoder using a callback. The hal command encoder will be <code>None</code> if the
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backend type argument does not match with this wgpu CommandEncoder</p>
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<p>This method will start the wgpu_core level command recording.</p>
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<h5 id="safety"><a class="doc-anchor" href="#safety">§</a>Safety</h5>
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<ul>
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<li>The raw handle obtained from the hal CommandEncoder must not be manually destroyed</li>
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</ul>
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</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-CommandEncoder-1" class="impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#321-342">Source</a><a href="#impl-CommandEncoder-1" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section></summary><div class="docblock"><p><a href="struct.Features.html#associatedconstant.TIMESTAMP_QUERY_INSIDE_ENCODERS" title="associated constant wgpu::Features::TIMESTAMP_QUERY_INSIDE_ENCODERS"><code>Features::TIMESTAMP_QUERY_INSIDE_ENCODERS</code></a> must be enabled on the device in order to call these functions.</p>
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</div><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.write_timestamp" class="method"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#334-341">Source</a><h4 class="code-header">pub fn <a href="#method.write_timestamp" class="fn">write_timestamp</a>(&mut self, query_set: &<a class="struct" href="struct.QuerySet.html" title="struct wgpu::QuerySet">QuerySet</a>, query_index: <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.u32.html">u32</a>)</h4></section></summary><div class="docblock"><p>Issue a timestamp command at this point in the queue.
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The timestamp will be written to the specified query set, at the specified index.</p>
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<p>Must be multiplied by <a href="struct.Queue.html#method.get_timestamp_period" title="method wgpu::Queue::get_timestamp_period"><code>Queue::get_timestamp_period</code></a> to get
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the value in nanoseconds. Absolute values have no meaning,
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but timestamps can be subtracted to get the time it takes
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for a string of operations to complete.</p>
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<p>Attention: Since commands within a command recorder may be reordered,
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there is no strict guarantee that timestamps are taken after all commands
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recorded so far and all before all commands recorded after.
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This may depend both on the backend and the driver.</p>
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</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-CommandEncoder" class="impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#15">Source</a><a href="#impl-Debug-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#15">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.84.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.84.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.84.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Drop-for-CommandEncoder" class="impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#23-29">Source</a><a href="#impl-Drop-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.drop" class="method trait-impl"><a class="src rightside" href="../src/wgpu/api/command_encoder.rs.html#24-28">Source</a><a href="#method.drop" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/ops/drop/trait.Drop.html#tymethod.drop" class="fn">drop</a>(&mut self)</h4></section></summary><div class='docblock'>Executes the destructor for this type. <a href="https://doc.rust-lang.org/1.84.0/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-CommandEncoder" class="impl"><a href="#impl-Freeze-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section><section id="impl-RefUnwindSafe-for-CommandEncoder" class="impl"><a href="#impl-RefUnwindSafe-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section><section id="impl-Send-for-CommandEncoder" class="impl"><a href="#impl-Send-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section><section id="impl-Sync-for-CommandEncoder" class="impl"><a href="#impl-Sync-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section><section id="impl-Unpin-for-CommandEncoder" class="impl"><a href="#impl-Unpin-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section><section id="impl-UnwindSafe-for-CommandEncoder" class="impl"><a href="#impl-UnwindSafe-for-CommandEncoder" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.CommandEncoder.html" title="struct wgpu::CommandEncoder">CommandEncoder</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
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T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.84.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.84.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#209">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#211">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#217">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/borrow.rs.html#218">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Downcast%3CT%3E-for-T" class="impl"><a class="src rightside" href="../src/khronos_egl/lib.rs.html#148">Source</a><a href="#impl-Downcast%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="../khronos_egl/trait.Downcast.html" title="trait khronos_egl::Downcast">Downcast</a><T> for T</h3></section></summary><div class="impl-items"><section id="method.downcast" class="method trait-impl"><a class="src rightside" href="../src/khronos_egl/lib.rs.html#149">Source</a><a href="#method.downcast" class="anchor">§</a><h4 class="code-header">fn <a href="../khronos_egl/trait.Downcast.html#tymethod.downcast" class="fn">downcast</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&T</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#765">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#768">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#748-750">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#758">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#805-807">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#809">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#812">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#790-792">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#794">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.0/src/core/convert/mod.rs.html#797">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Upcast%3CT%3E-for-T" class="impl"><a class="src rightside" href="../src/khronos_egl/lib.rs.html#158">Source</a><a href="#impl-Upcast%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="../khronos_egl/trait.Upcast.html" title="trait khronos_egl::Upcast">Upcast</a><T> for T</h3></section></summary><div class="impl-items"><section id="method.upcast" class="method trait-impl"><a class="src rightside" href="../src/khronos_egl/lib.rs.html#159">Source</a><a href="#method.upcast" class="anchor">§</a><h4 class="code-header">fn <a href="../khronos_egl/trait.Upcast.html#tymethod.upcast" class="fn">upcast</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.0/std/primitive.reference.html">&T</a>></h4></section></div></details><section id="impl-WasmNotSend-for-T" class="impl"><a class="src rightside" href="../src/wgpu_types/lib.rs.html#7477">Source</a><a href="#impl-WasmNotSend-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.WasmNotSend.html" title="trait wgpu::WasmNotSend">WasmNotSend</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,</div></h3></section><section id="impl-WasmNotSendSync-for-T" class="impl"><a class="src rightside" href="../src/wgpu_types/lib.rs.html#7461">Source</a><a href="#impl-WasmNotSendSync-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.WasmNotSendSync.html" title="trait wgpu::WasmNotSendSync">WasmNotSendSync</a> for T<div class="where">where
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T: <a class="trait" href="trait.WasmNotSend.html" title="trait wgpu::WasmNotSend">WasmNotSend</a> + <a class="trait" href="trait.WasmNotSync.html" title="trait wgpu::WasmNotSync">WasmNotSync</a>,</div></h3></section><section id="impl-WasmNotSync-for-T" class="impl"><a class="src rightside" href="../src/wgpu_types/lib.rs.html#7510">Source</a><a href="#impl-WasmNotSync-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.WasmNotSync.html" title="trait wgpu::WasmNotSync">WasmNotSync</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,</div></h3></section></div></section></div></main></body></html> |