| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.13"/> |
| <meta name="viewport" content="width=device-width, initial-scale=1"/> |
| <title>Vulkan Memory Allocator: Thread safety</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/searchdata.js"></script> |
| <script type="text/javascript" src="search/search.js"></script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <td id="projectalign" style="padding-left: 0.5em;"> |
| <div id="projectname">Vulkan Memory Allocator |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.13 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <script type="text/javascript" src="menudata.js"></script> |
| <script type="text/javascript" src="menu.js"></script> |
| <script type="text/javascript"> |
| $(function() { |
| initMenu('',true,false,'search.php','Search'); |
| $(document).ready(function() { init_search(); }); |
| }); |
| </script> |
| <div id="main-nav"></div> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| </div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div id="nav-path" class="navpath"> |
| <ul> |
| <li class="navelem"><a class="el" href="index.html">Vulkan Memory Allocator</a></li> </ul> |
| </div> |
| </div><!-- top --> |
| <div class="header"> |
| <div class="headertitle"> |
| <div class="title">Thread safety </div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <div class="textblock"><ul> |
| <li>The library has no global state, so separate <code>VmaAllocator</code> objects can be used independently. There should be no need to create multiple such objects though - one per <code>VkDevice</code> is enough.</li> |
| <li>By default, all calls to functions that take <code>VmaAllocator</code> as first parameter are safe to call from multiple threads simultaneously because they are synchronized internally when needed.</li> |
| <li>When the allocator is created with <a class="el" href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7ca4816ddaed324ba110172ca608a20f29d" title="Allocator and all objects created from it will not be synchronized internally, so you must guarantee ...">VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT</a> flag, calls to functions that take such <code>VmaAllocator</code> object must be synchronized externally.</li> |
| <li>Access to a <code>VmaAllocation</code> object must be externally synchronized. For example, you must not call <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it. ">vmaMapMemory()</a> from different threads at the same time if you pass the same <code>VmaAllocation</code> object to these functions. </li> |
| </ul> |
| </div></div><!-- contents --> |
| <!-- start footer part --> |
| <hr class="footer"/><address class="footer"><small> |
| Generated by  <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/> |
| </a> 1.8.13 |
| </small></address> |
| </body> |
| </html> |