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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 `spvReflectEnumerateOutputVariables` fn in crate `spirv_reflect`."><meta name="keywords" content="rust, rustlang, rust-lang, spvReflectEnumerateOutputVariables"><title>spirv_reflect::ffi::spvReflectEnumerateOutputVariables - 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 fn"><!--[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='../../spirv_reflect/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class='location'><a href='../index.html'>spirv_reflect</a>::<wbr><a href='index.html'>ffi</a></p><script>window.sidebarCurrent = {name: 'spvReflectEnumerateOutputVariables', ty: 'fn', 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/spirv_reflect/up/gen/bindings.rs.html#1745-1749' title='goto source code'>[src]</a></span><span class='in-band'>Function <a href='../index.html'>spirv_reflect</a>::<wbr><a href='index.html'>ffi</a>::<wbr><a class="fn" href=''>spvReflectEnumerateOutputVariables</a></span></h1><pre class='rust fn'>pub unsafe extern "C" fn spvReflectEnumerateOutputVariables(<br> p_module: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*const </a><a class="struct" href="../../spirv_reflect/ffi/struct.SpvReflectShaderModule.html" title="struct spirv_reflect::ffi::SpvReflectShaderModule">SpvReflectShaderModule</a>, <br> p_count: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>, <br> pp_variables: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../../spirv_reflect/ffi/struct.SpvReflectInterfaceVariable.html" title="struct spirv_reflect::ffi::SpvReflectInterfaceVariable">SpvReflectInterfaceVariable</a><br>) -> <a class="type" href="../../spirv_reflect/ffi/type.SpvReflectResult.html" title="type spirv_reflect::ffi::SpvReflectResult">SpvReflectResult</a></pre><div class='docblock'><p>@fn spvReflectEnumerateOutputVariables
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@brief Note: If the module contains multiple entry points, this will only get
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the output variables for the first one.
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@param p_module Pointer to an instance of SpvReflectShaderModule.
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@param p_count If pp_variables is NULL, the module's output variable
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count will be stored here.
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If pp_variables is not NULL, *p_count must contain
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the module's output variable count.
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@param pp_variables If NULL, the module's output variable count will be
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written to *p_count.
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If non-NULL, pp_variables must point to an array with
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p_count entries, where pointers to the module's
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output variables will be written. The caller must not
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free the interface variables written to this array.
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@return If successful, returns SPV_REFLECT_RESULT_SUCCESS.
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Otherwise, the error code indicates the cause of the
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failure.</p>
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