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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 `CommandBuffer` trait in crate `vulkano`."><meta name="keywords" content="rust, rustlang, rust-lang, CommandBuffer"><title>vulkano::command_buffer::CommandBuffer - 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">☰</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 CommandBuffer</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.PoolAlloc">PoolAlloc</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.check_buffer_access">check_buffer_access</a><a href="#tymethod.check_image_access">check_image_access</a><a href="#tymethod.inner">inner</a><a href="#tymethod.lock_submit">lock_submit</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.execute">execute</a><a href="#method.execute_after">execute_after</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'>command_buffer</a></p><script>window.sidebarCurrent = {name: 'CommandBuffer', 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'>−</span>]</a></span><a class='srclink' href='../../src/vulkano/command_buffer/traits.rs.html#38-147' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>vulkano</a>::<wbr><a href='index.html'>command_buffer</a>::<wbr><a class="trait" href=''>CommandBuffer</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub unsafe trait CommandBuffer: <a class="trait" href="../../vulkano/device/trait.DeviceOwned.html" title="trait vulkano::device::DeviceOwned">DeviceOwned</a> {
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type <a href='#associatedtype.PoolAlloc' class="type">PoolAlloc</a>;
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fn <a href='#tymethod.inner' class='fnname'>inner</a>(&self) -> &<a class="struct" href="../../vulkano/command_buffer/sys/struct.UnsafeCommandBuffer.html" title="struct vulkano::command_buffer::sys::UnsafeCommandBuffer">UnsafeCommandBuffer</a><Self::<a class="type" href="../../vulkano/command_buffer/trait.CommandBuffer.html#associatedtype.PoolAlloc" title="type vulkano::command_buffer::CommandBuffer::PoolAlloc">PoolAlloc</a>>;
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<div class='item-spacer'></div> fn <a href='#tymethod.lock_submit' class='fnname'>lock_submit</a>(<br> &self, <br> future: &dyn <a class="trait" href="../../vulkano/sync/trait.GpuFuture.html" title="trait vulkano::sync::GpuFuture">GpuFuture</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>>;
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<div class='item-spacer'></div> unsafe fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&self);
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<div class='item-spacer'></div> fn <a href='#tymethod.check_buffer_access' class='fnname'>check_buffer_access</a>(<br> &self, <br> buffer: &dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>, <br> exclusive: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../vulkano/sync/struct.PipelineStages.html" title="struct vulkano::sync::PipelineStages">PipelineStages</a>, <a class="struct" href="../../vulkano/sync/struct.AccessFlagBits.html" title="struct vulkano::sync::AccessFlagBits">AccessFlagBits</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, <a class="enum" href="../../vulkano/sync/enum.AccessCheckError.html" title="enum vulkano::sync::AccessCheckError">AccessCheckError</a>>;
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<div class='item-spacer'></div> fn <a href='#tymethod.check_image_access' class='fnname'>check_image_access</a>(<br> &self, <br> image: &dyn <a class="trait" href="../../vulkano/image/traits/trait.ImageAccess.html" title="trait vulkano::image::traits::ImageAccess">ImageAccess</a>, <br> layout: <a class="enum" href="../../vulkano/image/enum.ImageLayout.html" title="enum vulkano::image::ImageLayout">ImageLayout</a>, <br> exclusive: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../vulkano/sync/struct.PipelineStages.html" title="struct vulkano::sync::PipelineStages">PipelineStages</a>, <a class="struct" href="../../vulkano/sync/struct.AccessFlagBits.html" title="struct vulkano::sync::AccessFlagBits">AccessFlagBits</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, <a class="enum" href="../../vulkano/sync/enum.AccessCheckError.html" title="enum vulkano::sync::AccessCheckError">AccessCheckError</a>>;
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fn <a href='#method.execute' class='fnname'>execute</a>(<br> self, <br> queue: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a>><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../vulkano/command_buffer/struct.CommandBufferExecFuture.html" title="struct vulkano::command_buffer::CommandBufferExecFuture">CommandBufferExecFuture</a><<a class="struct" href="../../vulkano/sync/struct.NowFuture.html" title="struct vulkano::sync::NowFuture">NowFuture</a>, Self>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static</span>,
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{ ... }
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<div class='item-spacer'></div> fn <a href='#method.execute_after' class='fnname'>execute_after</a><F>(<br> self, <br> future: F, <br> queue: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a>><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../vulkano/command_buffer/struct.CommandBufferExecFuture.html" title="struct vulkano::command_buffer::CommandBufferExecFuture">CommandBufferExecFuture</a><F, Self>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>><br> <span class="where">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static,<br> F: <a class="trait" href="../../vulkano/sync/trait.GpuFuture.html" title="trait vulkano::sync::GpuFuture">GpuFuture</a></span>,
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{ ... }
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}</pre></div>
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<h2 id='associated-types' class='small-section-header'>Associated Types<a href='#associated-types' class='anchor'></a></h2><div class='methods'><h3 id='associatedtype.PoolAlloc' class='method'><code id='PoolAlloc.t'>type <a href='#associatedtype.PoolAlloc' class="type">PoolAlloc</a></code></h3><div class='docblock'><p>The command pool of the command buffer.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<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>(&self) -> &<a class="struct" href="../../vulkano/command_buffer/sys/struct.UnsafeCommandBuffer.html" title="struct vulkano::command_buffer::sys::UnsafeCommandBuffer">UnsafeCommandBuffer</a><Self::<a class="type" href="../../vulkano/command_buffer/trait.CommandBuffer.html#associatedtype.PoolAlloc" title="type vulkano::command_buffer::CommandBuffer::PoolAlloc">PoolAlloc</a>></code></h3><div class='docblock'><p>Returns the underlying <code>UnsafeCommandBuffer</code> of this command buffer.</p>
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</div><h3 id='tymethod.lock_submit' class='method'><code id='lock_submit.v'>fn <a href='#tymethod.lock_submit' class='fnname'>lock_submit</a>(<br> &self, <br> future: &dyn <a class="trait" href="../../vulkano/sync/trait.GpuFuture.html" title="trait vulkano::sync::GpuFuture">GpuFuture</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>></code></h3><div class='docblock'><p>Checks whether this command buffer is allowed to be submitted after the <code>future</code> and on
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the given queue, and if so locks it.</p>
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<p>If you call this function, then you should call <code>unlock</code> afterwards.</p>
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</div><h3 id='tymethod.unlock' class='method'><code id='unlock.v'>unsafe fn <a href='#tymethod.unlock' class='fnname'>unlock</a>(&self)</code></h3><div class='docblock'><p>Unlocks the command buffer. Should be called once for each call to <code>lock_submit</code>.</p>
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<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
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<p>Must not be called if you haven't called <code>lock_submit</code> before.</p>
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</div><h3 id='tymethod.check_buffer_access' class='method'><code id='check_buffer_access.v'>fn <a href='#tymethod.check_buffer_access' class='fnname'>check_buffer_access</a>(<br> &self, <br> buffer: &dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>, <br> exclusive: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../vulkano/sync/struct.PipelineStages.html" title="struct vulkano::sync::PipelineStages">PipelineStages</a>, <a class="struct" href="../../vulkano/sync/struct.AccessFlagBits.html" title="struct vulkano::sync::AccessFlagBits">AccessFlagBits</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, <a class="enum" href="../../vulkano/sync/enum.AccessCheckError.html" title="enum vulkano::sync::AccessCheckError">AccessCheckError</a>></code></h3><h3 id='tymethod.check_image_access' class='method'><code id='check_image_access.v'>fn <a href='#tymethod.check_image_access' class='fnname'>check_image_access</a>(<br> &self, <br> image: &dyn <a class="trait" href="../../vulkano/image/traits/trait.ImageAccess.html" title="trait vulkano::image::traits::ImageAccess">ImageAccess</a>, <br> layout: <a class="enum" href="../../vulkano/image/enum.ImageLayout.html" title="enum vulkano::image::ImageLayout">ImageLayout</a>, <br> exclusive: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../vulkano/sync/struct.PipelineStages.html" title="struct vulkano::sync::PipelineStages">PipelineStages</a>, <a class="struct" href="../../vulkano/sync/struct.AccessFlagBits.html" title="struct vulkano::sync::AccessFlagBits">AccessFlagBits</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, <a class="enum" href="../../vulkano/sync/enum.AccessCheckError.html" title="enum vulkano::sync::AccessCheckError">AccessCheckError</a>></code></h3></div><span class='loading-content'>Loading content...</span>
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<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.execute' class='method'><code id='execute.v'>fn <a href='#method.execute' class='fnname'>execute</a>(<br> self, <br> queue: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a>><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../vulkano/command_buffer/struct.CommandBufferExecFuture.html" title="struct vulkano::command_buffer::CommandBufferExecFuture">CommandBufferExecFuture</a><<a class="struct" href="../../vulkano/sync/struct.NowFuture.html" title="struct vulkano::sync::NowFuture">NowFuture</a>, Self>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static, </span></code></h3><div class='docblock'><p>Executes this command buffer on a queue.</p>
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<p>This function returns an object that implements the <code>GpuFuture</code> trait. See the
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documentation of the <code>sync</code> module for more information.</p>
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<p>The command buffer is not actually executed until you call <code>flush()</code> on the object.
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You are encouraged to chain together as many futures as possible before calling <code>flush()</code>,
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and call <code>.then_signal_future()</code> before doing so. Note however that once you called
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<code>execute()</code> there is no way to cancel the execution, even if you didn't flush yet.</p>
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<blockquote>
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<p><strong>Note</strong>: In the future this function may return <code>-> impl GpuFuture</code> instead of a
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concrete type.</p>
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</blockquote>
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<blockquote>
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<p><strong>Note</strong>: This is just a shortcut for <code>execute_after(vulkano::sync::now(), queue)</code>.</p>
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</blockquote>
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<h1 id="panic" class="section-header"><a href="#panic">Panic</a></h1>
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<p>Panics if the device of the command buffer is not the same as the device of the future.</p>
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</div><h3 id='method.execute_after' class='method'><code id='execute_after.v'>fn <a href='#method.execute_after' class='fnname'>execute_after</a><F>(<br> self, <br> future: F, <br> queue: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a><<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a>><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../vulkano/command_buffer/struct.CommandBufferExecFuture.html" title="struct vulkano::command_buffer::CommandBufferExecFuture">CommandBufferExecFuture</a><F, Self>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>> <span class="where fmt-newline">where<br> Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static,<br> F: <a class="trait" href="../../vulkano/sync/trait.GpuFuture.html" title="trait vulkano::sync::GpuFuture">GpuFuture</a>, </span></code></h3><div class='docblock'><p>Executes the command buffer after an existing future.</p>
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<p>This function returns an object that implements the <code>GpuFuture</code> trait. See the
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documentation of the <code>sync</code> module for more information.</p>
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<p>The command buffer is not actually executed until you call <code>flush()</code> on the object.
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You are encouraged to chain together as many futures as possible before calling <code>flush()</code>,
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and call <code>.then_signal_future()</code> before doing so. Note however that once you called
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<code>execute()</code> there is no way to cancel the execution, even if you didn't flush yet.</p>
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<blockquote>
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<p><strong>Note</strong>: In the future this function may return <code>-> impl GpuFuture</code> instead of a
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concrete type.</p>
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</blockquote>
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<p>This function requires the <code>'static</code> lifetime to be on the command buffer. This is because
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this function returns a <code>CommandBufferExecFuture</code> whose job is to lock resources and keep
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them alive while they are in use by the GPU. If <code>'static</code> wasn't required, you could call
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<code>std::mem::forget</code> on that object and "unlock" these resources. For more information about
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this problem, search the web for "rust thread scoped leakpocalypse".</p>
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<h1 id="panic-1" class="section-header"><a href="#panic-1">Panic</a></h1>
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<p>Panics if the device of the command buffer is not the same as the device of the future.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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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-CommandBuffer' class='impl'><code class='in-band'>impl<P> CommandBuffer for <a class="struct" href="../../vulkano/command_buffer/struct.AutoCommandBuffer.html" title="struct vulkano::command_buffer::AutoCommandBuffer">AutoCommandBuffer</a><P></code><a href='#impl-CommandBuffer' class='anchor'></a><a class='srclink' href='../../src/vulkano/command_buffer/auto.rs.html#1500-1576' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.PoolAlloc-1' class="type"><code id='PoolAlloc.t-1'>type <a href='#associatedtype.PoolAlloc-1' class="type">PoolAlloc</a> = P</code></h4><h4 id='method.inner' class="method hidden"><code id='inner.v-1'>fn <a href='#method.inner' class='fnname'>inner</a>(&self) -> &<a class="struct" href="../../vulkano/command_buffer/sys/struct.UnsafeCommandBuffer.html" title="struct vulkano::command_buffer::sys::UnsafeCommandBuffer">UnsafeCommandBuffer</a><P></code><a class='srclink' href='../../src/vulkano/command_buffer/auto.rs.html#1504-1506' title='goto source code'>[src]</a></h4><h4 id='method.lock_submit' class="method hidden"><code id='lock_submit.v-1'>fn <a href='#method.lock_submit' class='fnname'>lock_submit</a>(<br> &self, <br> future: &dyn <a class="trait" href="../../vulkano/sync/trait.GpuFuture.html" title="trait vulkano::sync::GpuFuture">GpuFuture</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="../../vulkano/command_buffer/enum.CommandBufferExecError.html" title="enum vulkano::command_buffer::CommandBufferExecError">CommandBufferExecError</a>></code><a class='srclink' href='../../src/vulkano/command_buffer/auto.rs.html#1509-1543' title='goto source code'>[src]</a></h4><h4 id='method.unlock' class="method hidden"><code id='unlock.v-1'>unsafe fn <a href='#method.unlock' class='fnname'>unlock</a>(&self)</code><a class='srclink' href='../../src/vulkano/command_buffer/auto.rs.html#1546-1560' title='goto source code'>[src]</a></h4><h4 id='method.check_buffer_access' class="method hidden"><code id='check_buffer_access.v-1'>fn <a href='#method.check_buffer_access' class='fnname'>check_buffer_access</a>(<br> &self, <br> buffer: &dyn <a class="trait" href="../../vulkano/buffer/trait.BufferAccess.html" title="trait vulkano::buffer::BufferAccess">BufferAccess</a>, <br> exclusive: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br> queue: &<a class="struct" href="../../vulkano/device/struct.Queue.html" title="struct vulkano::device::Queue">Queue</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../vulkano/sync/struct.PipelineStages.html" title="struct vulkano::sync::PipelineStages">PipelineStages</a>, <a class="struct" href="../../vulkano/sync/struct.AccessFlagBits.html" title="struct vulkano::sync::AccessFlagBits">AccessFlagBits</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, <a class="enum" href="../../vulkano/sync/enum.AccessCheckError.html" title="enum vulkano::sync::AccessCheckError">AccessCheckEr
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