<!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 1.8.8"/>
<title>My Project: SDL_hints.h File Reference</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/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</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 style="padding-left: 0.5em;">
<div id="projectname">My Project
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.8 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Pages</a></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><!-- top -->
<div class="header">
<div class="summary">
<a href="#define-members">Macros</a> |
<a href="#typedef-members">Typedefs</a> |
<a href="#enum-members">Enumerations</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">SDL_hints.h File Reference</div> </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><code>#include "<a class="el" href="SDL__stdinc_8h_source.html">SDL_stdinc.h</a>"</code><br />
<code>#include "<a class="el" href="begin__code_8h_source.html">begin_code.h</a>"</code><br />
<code>#include "<a class="el" href="close__code_8h_source.html">close_code.h</a>"</code><br />
</div>
<p><a href="SDL__hints_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a4f14744afc8f84bf52e3bfaec2667824"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a4f14744afc8f84bf52e3bfaec2667824">SDL_HINT_FRAMEBUFFER_ACCELERATION</a>   "SDL_FRAMEBUFFER_ACCELERATION"</td></tr>
<tr class="memdesc:a4f14744afc8f84bf52e3bfaec2667824"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling how 3D acceleration is used to accelerate the SDL screen surface. <a href="#a4f14744afc8f84bf52e3bfaec2667824">More...</a><br /></td></tr>
<tr class="separator:a4f14744afc8f84bf52e3bfaec2667824"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1ecf7a77582e3af7938b2f7c8d900aee"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a1ecf7a77582e3af7938b2f7c8d900aee">SDL_HINT_RENDER_DRIVER</a>   "SDL_RENDER_DRIVER"</td></tr>
<tr class="memdesc:a1ecf7a77582e3af7938b2f7c8d900aee"><td class="mdescLeft"> </td><td class="mdescRight">A variable specifying which render driver to use. <a href="#a1ecf7a77582e3af7938b2f7c8d900aee">More...</a><br /></td></tr>
<tr class="separator:a1ecf7a77582e3af7938b2f7c8d900aee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a156051f550fba6a1d8dfafd8bc90b1b2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a156051f550fba6a1d8dfafd8bc90b1b2">SDL_HINT_RENDER_OPENGL_SHADERS</a>   "SDL_RENDER_OPENGL_SHADERS"</td></tr>
<tr class="memdesc:a156051f550fba6a1d8dfafd8bc90b1b2"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the OpenGL render driver uses shaders if they are available. <a href="#a156051f550fba6a1d8dfafd8bc90b1b2">More...</a><br /></td></tr>
<tr class="separator:a156051f550fba6a1d8dfafd8bc90b1b2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6e06533f9f12c456accacb7c1f40a58d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a6e06533f9f12c456accacb7c1f40a58d">SDL_HINT_RENDER_DIRECT3D_THREADSAFE</a>   "SDL_RENDER_DIRECT3D_THREADSAFE"</td></tr>
<tr class="memdesc:a6e06533f9f12c456accacb7c1f40a58d"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the Direct3D device is initialized for thread-safe operations. <a href="#a6e06533f9f12c456accacb7c1f40a58d">More...</a><br /></td></tr>
<tr class="separator:a6e06533f9f12c456accacb7c1f40a58d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac25a4eba109ed065d639f6054d2b842c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ac25a4eba109ed065d639f6054d2b842c">SDL_HINT_RENDER_DIRECT3D11_DEBUG</a>   "SDL_HINT_RENDER_DIRECT3D11_DEBUG"</td></tr>
<tr class="memdesc:ac25a4eba109ed065d639f6054d2b842c"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether to enable Direct3D 11+'s Debug Layer. <a href="#ac25a4eba109ed065d639f6054d2b842c">More...</a><br /></td></tr>
<tr class="separator:ac25a4eba109ed065d639f6054d2b842c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a10b6e40601439f51131d8a264070ab2e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a10b6e40601439f51131d8a264070ab2e">SDL_HINT_RENDER_SCALE_QUALITY</a>   "SDL_RENDER_SCALE_QUALITY"</td></tr>
<tr class="memdesc:a10b6e40601439f51131d8a264070ab2e"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling the scaling quality. <a href="#a10b6e40601439f51131d8a264070ab2e">More...</a><br /></td></tr>
<tr class="separator:a10b6e40601439f51131d8a264070ab2e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab512fdde4a91d3a271df7b59297fcf98"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ab512fdde4a91d3a271df7b59297fcf98">SDL_HINT_RENDER_VSYNC</a>   "SDL_RENDER_VSYNC"</td></tr>
<tr class="memdesc:ab512fdde4a91d3a271df7b59297fcf98"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether updates to the SDL screen surface should be synchronized with the vertical refresh, to avoid tearing. <a href="#ab512fdde4a91d3a271df7b59297fcf98">More...</a><br /></td></tr>
<tr class="separator:ab512fdde4a91d3a271df7b59297fcf98"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7d3457c4003d46ddb560a96844ca1f85"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a7d3457c4003d46ddb560a96844ca1f85">SDL_HINT_VIDEO_ALLOW_SCREENSAVER</a>   "SDL_VIDEO_ALLOW_SCREENSAVER"</td></tr>
<tr class="memdesc:a7d3457c4003d46ddb560a96844ca1f85"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the screensaver is enabled. <a href="#a7d3457c4003d46ddb560a96844ca1f85">More...</a><br /></td></tr>
<tr class="separator:a7d3457c4003d46ddb560a96844ca1f85"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a866aaf8bf196921021eb7bda46b7a781"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a866aaf8bf196921021eb7bda46b7a781">SDL_HINT_VIDEO_X11_XVIDMODE</a>   "SDL_VIDEO_X11_XVIDMODE"</td></tr>
<tr class="memdesc:a866aaf8bf196921021eb7bda46b7a781"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the X11 VidMode extension should be used. <a href="#a866aaf8bf196921021eb7bda46b7a781">More...</a><br /></td></tr>
<tr class="separator:a866aaf8bf196921021eb7bda46b7a781"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad40f9ea3808d57729baf6d69c019af4b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ad40f9ea3808d57729baf6d69c019af4b">SDL_HINT_VIDEO_X11_XINERAMA</a>   "SDL_VIDEO_X11_XINERAMA"</td></tr>
<tr class="memdesc:ad40f9ea3808d57729baf6d69c019af4b"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the X11 Xinerama extension should be used. <a href="#ad40f9ea3808d57729baf6d69c019af4b">More...</a><br /></td></tr>
<tr class="separator:ad40f9ea3808d57729baf6d69c019af4b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab78bba735481c64f25a01799c0266058"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ab78bba735481c64f25a01799c0266058">SDL_HINT_VIDEO_X11_XRANDR</a>   "SDL_VIDEO_X11_XRANDR"</td></tr>
<tr class="memdesc:ab78bba735481c64f25a01799c0266058"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the X11 XRandR extension should be used. <a href="#ab78bba735481c64f25a01799c0266058">More...</a><br /></td></tr>
<tr class="separator:ab78bba735481c64f25a01799c0266058"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5295df139727cd78a0663afb0b91010b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a5295df139727cd78a0663afb0b91010b">SDL_HINT_GRAB_KEYBOARD</a>   "SDL_GRAB_KEYBOARD"</td></tr>
<tr class="memdesc:a5295df139727cd78a0663afb0b91010b"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether grabbing input grabs the keyboard. <a href="#a5295df139727cd78a0663afb0b91010b">More...</a><br /></td></tr>
<tr class="separator:a5295df139727cd78a0663afb0b91010b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad2592e57adcf22b77618347fef431790"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ad2592e57adcf22b77618347fef431790">SDL_HINT_MOUSE_RELATIVE_MODE_WARP</a>   "SDL_MOUSE_RELATIVE_MODE_WARP"</td></tr>
<tr class="memdesc:ad2592e57adcf22b77618347fef431790"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether relative mouse mode is implemented using mouse warping. <a href="#ad2592e57adcf22b77618347fef431790">More...</a><br /></td></tr>
<tr class="separator:ad2592e57adcf22b77618347fef431790"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a85488274590bff72c3d1dba5829443f6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a85488274590bff72c3d1dba5829443f6"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a85488274590bff72c3d1dba5829443f6">SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS</a>   "SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS"</td></tr>
<tr class="memdesc:a85488274590bff72c3d1dba5829443f6"><td class="mdescLeft"> </td><td class="mdescRight">Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to true. <br /></td></tr>
<tr class="separator:a85488274590bff72c3d1dba5829443f6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe9410e8b6809c9fdcb1f69e6894a2e8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#abe9410e8b6809c9fdcb1f69e6894a2e8">SDL_HINT_IDLE_TIMER_DISABLED</a>   "SDL_IOS_IDLE_TIMER_DISABLED"</td></tr>
<tr class="memdesc:abe9410e8b6809c9fdcb1f69e6894a2e8"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether the idle timer is disabled on iOS. <a href="#abe9410e8b6809c9fdcb1f69e6894a2e8">More...</a><br /></td></tr>
<tr class="separator:abe9410e8b6809c9fdcb1f69e6894a2e8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1e2eef18b43aa15121d8250a408421ce"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a1e2eef18b43aa15121d8250a408421ce">SDL_HINT_ORIENTATIONS</a>   "SDL_IOS_ORIENTATIONS"</td></tr>
<tr class="memdesc:a1e2eef18b43aa15121d8250a408421ce"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling which orientations are allowed on iOS. <a href="#a1e2eef18b43aa15121d8250a408421ce">More...</a><br /></td></tr>
<tr class="separator:a1e2eef18b43aa15121d8250a408421ce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3864d9d3569d0edcf7b0a07d8b769810"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a3864d9d3569d0edcf7b0a07d8b769810">SDL_HINT_ACCELEROMETER_AS_JOYSTICK</a>   "SDL_ACCELEROMETER_AS_JOYSTICK"</td></tr>
<tr class="memdesc:a3864d9d3569d0edcf7b0a07d8b769810"><td class="mdescLeft"> </td><td class="mdescRight">A variable controlling whether an Android built-in accelerometer should be listed as a joystick device, rather than listing actual joysticks only. <a href="#a3864d9d3569d0edcf7b0a07d8b769810">More...</a><br /></td></tr>
<tr class="separator:a3864d9d3569d0edcf7b0a07d8b769810"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a74031ed3b17889222462108800b91c3c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a74031ed3b17889222462108800b91c3c">SDL_HINT_XINPUT_ENABLED</a>   "SDL_XINPUT_ENABLED"</td></tr>
<tr class="memdesc:a74031ed3b17889222462108800b91c3c"><td class="mdescLeft"> </td><td class="mdescRight">A variable that lets you disable the detection and use of Xinput gamepad devices. <a href="#a74031ed3b17889222462108800b91c3c">More...</a><br /></td></tr>
<tr class="separator:a74031ed3b17889222462108800b91c3c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae6733a084fded26033d0b3a1ab1480a4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ae6733a084fded26033d0b3a1ab1480a4">SDL_HINT_GAMECONTROLLERCONFIG</a>   "SDL_GAMECONTROLLERCONFIG"</td></tr>
<tr class="memdesc:ae6733a084fded26033d0b3a1ab1480a4"><td class="mdescLeft"> </td><td class="mdescRight">A variable that lets you manually hint extra gamecontroller db entries. <a href="#ae6733a084fded26033d0b3a1ab1480a4">More...</a><br /></td></tr>
<tr class="separator:ae6733a084fded26033d0b3a1ab1480a4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab343c91586c6b4789763e4a82b35de0b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ab343c91586c6b4789763e4a82b35de0b">SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS</a>   "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"</td></tr>
<tr class="memdesc:ab343c91586c6b4789763e4a82b35de0b"><td class="mdescLeft"> </td><td class="mdescRight">A variable that lets you enable joystick (and gamecontroller) events even when your app is in the background. <a href="#ab343c91586c6b4789763e4a82b35de0b">More...</a><br /></td></tr>
<tr class="separator:ab343c91586c6b4789763e4a82b35de0b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac0deec953ae4635131cbe321192236ff"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ac0deec953ae4635131cbe321192236ff">SDL_HINT_ALLOW_TOPMOST</a>   "SDL_ALLOW_TOPMOST"</td></tr>
<tr class="memdesc:ac0deec953ae4635131cbe321192236ff"><td class="mdescLeft"> </td><td class="mdescRight">If set to 0 then never set the top most bit on a SDL Window, even if the video mode expects it. This is a debugging aid for developers and not expected to be used by end users. The default is "1". <a href="#ac0deec953ae4635131cbe321192236ff">More...</a><br /></td></tr>
<tr class="separator:ac0deec953ae4635131cbe321192236ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afbc6ba9f809e07557eb369f763299174"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#afbc6ba9f809e07557eb369f763299174">SDL_HINT_TIMER_RESOLUTION</a>   "SDL_TIMER_RESOLUTION"</td></tr>
<tr class="memdesc:afbc6ba9f809e07557eb369f763299174"><td class="mdescLeft"> </td><td class="mdescRight">A variable that controls the timer resolution, in milliseconds. <a href="#afbc6ba9f809e07557eb369f763299174">More...</a><br /></td></tr>
<tr class="separator:afbc6ba9f809e07557eb369f763299174"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac4537a3cf34a3a2d2a1dd674ea7daa6f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac4537a3cf34a3a2d2a1dd674ea7daa6f"></a>
#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ac4537a3cf34a3a2d2a1dd674ea7daa6f">SDL_HINT_VIDEO_HIGHDPI_DISABLED</a>   "SDL_VIDEO_HIGHDPI_DISABLED"</td></tr>
<tr class="memdesc:ac4537a3cf34a3a2d2a1dd674ea7daa6f"><td class="mdescLeft"> </td><td class="mdescRight">If set to 1, then do not allow high-DPI windows. ("Retina" on Mac) <br /></td></tr>
<tr class="separator:ac4537a3cf34a3a2d2a1dd674ea7daa6f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a63dd635fa195f590f645c1170f50968d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a63dd635fa195f590f645c1170f50968d">SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK</a>   "SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK"</td></tr>
<tr class="memdesc:a63dd635fa195f590f645c1170f50968d"><td class="mdescLeft"> </td><td class="mdescRight">A variable that determines whether ctrl+click should generate a right-click event on Mac. <a href="#a63dd635fa195f590f645c1170f50968d">More...</a><br /></td></tr>
<tr class="separator:a63dd635fa195f590f645c1170f50968d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1e91c63c1b9c4afd7c0349b4392270fd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a1e91c63c1b9c4afd7c0349b4392270fd">SDL_HINT_VIDEO_WIN_D3DCOMPILER</a>   "SDL_VIDEO_WIN_D3DCOMPILER"</td></tr>
<tr class="memdesc:a1e91c63c1b9c4afd7c0349b4392270fd"><td class="mdescLeft"> </td><td class="mdescRight">A variable specifying which shader compiler to preload when using the Chrome ANGLE binaries. <a href="#a1e91c63c1b9c4afd7c0349b4392270fd">More...</a><br /></td></tr>
<tr class="separator:a1e91c63c1b9c4afd7c0349b4392270fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a007f98915e3ca58963c3cace38ed3a05"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a007f98915e3ca58963c3cace38ed3a05">SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT</a>   "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT"</td></tr>
<tr class="memdesc:a007f98915e3ca58963c3cace38ed3a05"><td class="mdescLeft"> </td><td class="mdescRight">A variable that is the address of another SDL_Window* (as a hex string formatted with "%p"). <a href="#a007f98915e3ca58963c3cace38ed3a05">More...</a><br /></td></tr>
<tr class="separator:a007f98915e3ca58963c3cace38ed3a05"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f898b6a1c5658f84c812540bb857560"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5f898b6a1c5658f84c812540bb857560"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_HINT_WINRT_PRIVACY_POLICY_URL</b>   "SDL_HINT_WINRT_PRIVACY_POLICY_URL"</td></tr>
<tr class="separator:a5f898b6a1c5658f84c812540bb857560"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2e703ae1982069e228243e2633cf41c7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a2e703ae1982069e228243e2633cf41c7">SDL_HINT_WINRT_PRIVACY_POLICY_LABEL</a>   "SDL_HINT_WINRT_PRIVACY_POLICY_LABEL"</td></tr>
<tr class="memdesc:a2e703ae1982069e228243e2633cf41c7"><td class="mdescLeft"> </td><td class="mdescRight">Label text for a WinRT app's privacy policy link. <a href="#a2e703ae1982069e228243e2633cf41c7">More...</a><br /></td></tr>
<tr class="separator:a2e703ae1982069e228243e2633cf41c7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a50fab1c4959c71f2e066b7eec874ef90"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a50fab1c4959c71f2e066b7eec874ef90">SDL_HINT_WINRT_HANDLE_BACK_BUTTON</a>   "SDL_HINT_WINRT_HANDLE_BACK_BUTTON"</td></tr>
<tr class="memdesc:a50fab1c4959c71f2e066b7eec874ef90"><td class="mdescLeft"> </td><td class="mdescRight">If set to 1, back button press events on Windows Phone 8+ will be marked as handled. <a href="#a50fab1c4959c71f2e066b7eec874ef90">More...</a><br /></td></tr>
<tr class="separator:a50fab1c4959c71f2e066b7eec874ef90"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7f78bfa36d29dc21728bfabce8b336c3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a7f78bfa36d29dc21728bfabce8b336c3">SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES</a>   "SDL_VIDEO_MAC_FULLSCREEN_SPACES"</td></tr>
<tr class="memdesc:a7f78bfa36d29dc21728bfabce8b336c3"><td class="mdescLeft"> </td><td class="mdescRight">A variable that dictates policy for fullscreen Spaces on Mac OS X. <a href="#a7f78bfa36d29dc21728bfabce8b336c3">More...</a><br /></td></tr>
<tr class="separator:a7f78bfa36d29dc21728bfabce8b336c3"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a9466a87e203a4942eb769057196696c3"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a>(* </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a9466a87e203a4942eb769057196696c3">SDL_HintCallback</a> )(<a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata, const char *name, const char *oldValue, const char *newValue)</td></tr>
<tr class="memdesc:a9466a87e203a4942eb769057196696c3"><td class="mdescLeft"> </td><td class="mdescRight">Add a function to watch a particular hint. <a href="#a9466a87e203a4942eb769057196696c3">More...</a><br /></td></tr>
<tr class="separator:a9466a87e203a4942eb769057196696c3"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:ab85f3099d9bb0445b0c6b5002cfaa7ed"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab85f3099d9bb0445b0c6b5002cfaa7ed"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#ab85f3099d9bb0445b0c6b5002cfaa7ed">SDL_HintPriority</a> { <b>SDL_HINT_DEFAULT</b>,
<b>SDL_HINT_NORMAL</b>,
<b>SDL_HINT_OVERRIDE</b>
}</td></tr>
<tr class="memdesc:ab85f3099d9bb0445b0c6b5002cfaa7ed"><td class="mdescLeft"> </td><td class="mdescRight">An enumeration of hint priorities. <br /></td></tr>
<tr class="separator:ab85f3099d9bb0445b0c6b5002cfaa7ed"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:aa8dbcd854090784ae237aeeefb7e6232"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#aa8dbcd854090784ae237aeeefb7e6232">SDL_SetHintWithPriority</a> (const char *name, const char *value, <a class="el" href="SDL__hints_8h.html#ab85f3099d9bb0445b0c6b5002cfaa7ed">SDL_HintPriority</a> priority)</td></tr>
<tr class="memdesc:aa8dbcd854090784ae237aeeefb7e6232"><td class="mdescLeft"> </td><td class="mdescRight">Set a hint with a specific priority. <a href="#aa8dbcd854090784ae237aeeefb7e6232">More...</a><br /></td></tr>
<tr class="separator:aa8dbcd854090784ae237aeeefb7e6232"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9b47f5aa3911644f0a5a3f0cfa9198a4"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a9b47f5aa3911644f0a5a3f0cfa9198a4">SDL_SetHint</a> (const char *name, const char *value)</td></tr>
<tr class="memdesc:a9b47f5aa3911644f0a5a3f0cfa9198a4"><td class="mdescLeft"> </td><td class="mdescRight">Set a hint with normal priority. <a href="#a9b47f5aa3911644f0a5a3f0cfa9198a4">More...</a><br /></td></tr>
<tr class="separator:a9b47f5aa3911644f0a5a3f0cfa9198a4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7b26a63a33768fab43d50e3fd0d41eb5"><td class="memItemLeft" align="right" valign="top">DECLSPEC const char *SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a7b26a63a33768fab43d50e3fd0d41eb5">SDL_GetHint</a> (const char *name)</td></tr>
<tr class="memdesc:a7b26a63a33768fab43d50e3fd0d41eb5"><td class="mdescLeft"> </td><td class="mdescRight">Get a hint. <a href="#a7b26a63a33768fab43d50e3fd0d41eb5">More...</a><br /></td></tr>
<tr class="separator:a7b26a63a33768fab43d50e3fd0d41eb5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8731ae1704dd7a70f63cc6cdd242b5ae"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8731ae1704dd7a70f63cc6cdd242b5ae"></a>
DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><b>SDL_AddHintCallback</b> (const char *name, <a class="el" href="SDL__hints_8h.html#a9466a87e203a4942eb769057196696c3">SDL_HintCallback</a> callback, <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata)</td></tr>
<tr class="separator:a8731ae1704dd7a70f63cc6cdd242b5ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aff84d56f5de197e49a778e18ad76ab0e"><td class="memItemLeft" align="right" valign="top">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#aff84d56f5de197e49a778e18ad76ab0e">SDL_DelHintCallback</a> (const char *name, <a class="el" href="SDL__hints_8h.html#a9466a87e203a4942eb769057196696c3">SDL_HintCallback</a> callback, <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata)</td></tr>
<tr class="memdesc:aff84d56f5de197e49a778e18ad76ab0e"><td class="mdescLeft"> </td><td class="mdescRight">Remove a function watching a particular hint. <a href="#aff84d56f5de197e49a778e18ad76ab0e">More...</a><br /></td></tr>
<tr class="separator:aff84d56f5de197e49a778e18ad76ab0e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7feb78f92319c07e9d53d7be8185cdbb"><td class="memItemLeft" align="right" valign="top">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__hints_8h.html#a7feb78f92319c07e9d53d7be8185cdbb">SDL_ClearHints</a> (<a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a>)</td></tr>
<tr class="memdesc:a7feb78f92319c07e9d53d7be8185cdbb"><td class="mdescLeft"> </td><td class="mdescRight">Clear all hints. <a href="#a7feb78f92319c07e9d53d7be8185cdbb">More...</a><br /></td></tr>
<tr class="separator:a7feb78f92319c07e9d53d7be8185cdbb"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Official documentation for SDL configuration variables</p>
<p>This file contains functions to set and get configuration hints, as well as listing each of them alphabetically.</p>
<p>The convention for naming hints is SDL_HINT_X, where "SDL_X" is the environment variable that can be used to override the default.</p>
<p>In general these hints are just that - they may or may not be supported or applicable on any given platform, but they provide a way for an application or user to give the library a hint as to how they would like the library to work. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="a3864d9d3569d0edcf7b0a07d8b769810"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_ACCELEROMETER_AS_JOYSTICK   "SDL_ACCELEROMETER_AS_JOYSTICK"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether an Android built-in accelerometer should be listed as a joystick device, rather than listing actual joysticks only. </p>
<p>This variable can be set to the following values: "0" - List only real joysticks and accept input from them "1" - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default). </p>
</div>
</div>
<a class="anchor" id="ac0deec953ae4635131cbe321192236ff"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_ALLOW_TOPMOST   "SDL_ALLOW_TOPMOST"</td>
</tr>
</table>
</div><div class="memdoc">
<p>If set to 0 then never set the top most bit on a SDL Window, even if the video mode expects it. This is a debugging aid for developers and not expected to be used by end users. The default is "1". </p>
<p>This variable can be set to the following values: "0" - don't allow topmost "1" - allow topmost </p>
</div>
</div>
<a class="anchor" id="a4f14744afc8f84bf52e3bfaec2667824"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_FRAMEBUFFER_ACCELERATION   "SDL_FRAMEBUFFER_ACCELERATION"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling how 3D acceleration is used to accelerate the SDL screen surface. </p>
<p>SDL can try to accelerate the SDL screen surface by using streaming textures with a 3D rendering engine. This variable controls whether and how this is done.</p>
<p>This variable can be set to the following values: "0" - Disable 3D acceleration "1" - Enable 3D acceleration, using the default renderer. "X" - Enable 3D acceleration, using X where X is one of the valid rendering drivers. (e.g. "direct3d", "opengl", etc.)</p>
<p>By default SDL tries to make a best guess for each platform whether to use acceleration or not. </p>
</div>
</div>
<a class="anchor" id="ae6733a084fded26033d0b3a1ab1480a4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_GAMECONTROLLERCONFIG   "SDL_GAMECONTROLLERCONFIG"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that lets you manually hint extra gamecontroller db entries. </p>
<p>The variable should be newline delimited rows of gamecontroller config data, see <a class="el" href="SDL__gamecontroller_8h.html">SDL_gamecontroller.h</a></p>
<p>This hint must be set before calling SDL_Init(SDL_INIT_GAMECONTROLLER) You can update mappings after the system is initialized with <a class="el" href="SDL__gamecontroller_8h.html#a2bd404799b40e27d75d3699c866904cf">SDL_GameControllerMappingForGUID()</a> and <a class="el" href="SDL__gamecontroller_8h.html#a62cb682b1c589135cd32cce381d403f8">SDL_GameControllerAddMapping()</a> </p>
</div>
</div>
<a class="anchor" id="a5295df139727cd78a0663afb0b91010b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_GRAB_KEYBOARD   "SDL_GRAB_KEYBOARD"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether grabbing input grabs the keyboard. </p>
<p>This variable can be set to the following values: "0" - Grab will affect only the mouse "1" - Grab will affect mouse and keyboard</p>
<p>By default SDL will not grab the keyboard so system shortcuts still work. </p>
</div>
</div>
<a class="anchor" id="abe9410e8b6809c9fdcb1f69e6894a2e8"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_IDLE_TIMER_DISABLED   "SDL_IOS_IDLE_TIMER_DISABLED"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the idle timer is disabled on iOS. </p>
<p>When an iOS app does not receive touches for some time, the screen is dimmed automatically. For games where the accelerometer is the only input this is problematic. This functionality can be disabled by setting this hint.</p>
<p>This variable can be set to the following values: "0" - Enable idle timer "1" - Disable idle timer </p>
</div>
</div>
<a class="anchor" id="ab343c91586c6b4789763e4a82b35de0b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS   "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that lets you enable joystick (and gamecontroller) events even when your app is in the background. </p>
<p>The variable can be set to the following values: "0" - Disable joystick & gamecontroller input events when the application is in the background. "1" - Enable joystick & gamecontroller input events when the application is in the background.</p>
<p>The default value is "0". This hint may be set at any time. </p>
</div>
</div>
<a class="anchor" id="a63dd635fa195f590f645c1170f50968d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK   "SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that determines whether ctrl+click should generate a right-click event on Mac. </p>
<p>If present, holding ctrl while left clicking will generate a right click event when on Mac. </p>
</div>
</div>
<a class="anchor" id="ad2592e57adcf22b77618347fef431790"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_MOUSE_RELATIVE_MODE_WARP   "SDL_MOUSE_RELATIVE_MODE_WARP"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether relative mouse mode is implemented using mouse warping. </p>
<p>This variable can be set to the following values: "0" - Relative mouse mode uses raw input "1" - Relative mouse mode uses mouse warping</p>
<p>By default SDL will use raw input for relative mouse mode </p>
</div>
</div>
<a class="anchor" id="a1e2eef18b43aa15121d8250a408421ce"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_ORIENTATIONS   "SDL_IOS_ORIENTATIONS"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling which orientations are allowed on iOS. </p>
<p>In some circumstances it is necessary to be able to explicitly control which UI orientations are allowed.</p>
<p>This variable is a space delimited list of the following values: "LandscapeLeft", "LandscapeRight", "Portrait" "PortraitUpsideDown" </p>
</div>
</div>
<a class="anchor" id="ac25a4eba109ed065d639f6054d2b842c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_DIRECT3D11_DEBUG   "SDL_HINT_RENDER_DIRECT3D11_DEBUG"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether to enable Direct3D 11+'s Debug Layer. </p>
<p>This variable does not have any effect on the Direct3D 9 based renderer.</p>
<p>This variable can be set to the following values: "0" - Disable Debug Layer use "1" - Enable Debug Layer use</p>
<p>By default, SDL does not use Direct3D Debug Layer. </p>
</div>
</div>
<a class="anchor" id="a6e06533f9f12c456accacb7c1f40a58d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_DIRECT3D_THREADSAFE   "SDL_RENDER_DIRECT3D_THREADSAFE"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the Direct3D device is initialized for thread-safe operations. </p>
<p>This variable can be set to the following values: "0" - Thread-safety is not enabled (faster) "1" - Thread-safety is enabled</p>
<p>By default the Direct3D device is created with thread-safety disabled. </p>
</div>
</div>
<a class="anchor" id="a1ecf7a77582e3af7938b2f7c8d900aee"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_DRIVER   "SDL_RENDER_DRIVER"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable specifying which render driver to use. </p>
<p>If the application doesn't pick a specific renderer to use, this variable specifies the name of the preferred renderer. If the preferred renderer can't be initialized, the normal default renderer is used.</p>
<p>This variable is case insensitive and can be set to the following values: "direct3d" "opengl" "opengles2" "opengles" "software"</p>
<p>The default varies by platform, but it's the first one in the list that is available on the current platform. </p>
</div>
</div>
<a class="anchor" id="a156051f550fba6a1d8dfafd8bc90b1b2"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_OPENGL_SHADERS   "SDL_RENDER_OPENGL_SHADERS"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the OpenGL render driver uses shaders if they are available. </p>
<p>This variable can be set to the following values: "0" - Disable shaders "1" - Enable shaders</p>
<p>By default shaders are used if OpenGL supports them. </p>
</div>
</div>
<a class="anchor" id="a10b6e40601439f51131d8a264070ab2e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_SCALE_QUALITY   "SDL_RENDER_SCALE_QUALITY"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling the scaling quality. </p>
<p>This variable can be set to the following values: "0" or "nearest" - Nearest pixel sampling "1" or "linear" - Linear filtering (supported by OpenGL and Direct3D) "2" or "best" - Currently this is the same as "linear"</p>
<p>By default nearest pixel sampling is used </p>
</div>
</div>
<a class="anchor" id="ab512fdde4a91d3a271df7b59297fcf98"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_RENDER_VSYNC   "SDL_RENDER_VSYNC"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether updates to the SDL screen surface should be synchronized with the vertical refresh, to avoid tearing. </p>
<p>This variable can be set to the following values: "0" - Disable vsync "1" - Enable vsync</p>
<p>By default SDL does not sync screen surface updates with vertical refresh. </p>
</div>
</div>
<a class="anchor" id="afbc6ba9f809e07557eb369f763299174"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_TIMER_RESOLUTION   "SDL_TIMER_RESOLUTION"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that controls the timer resolution, in milliseconds. </p>
<p>The higher resolution the timer, the more frequently the CPU services timer interrupts, and the more precise delays are, but this takes up power and CPU time. This hint is only used on Windows 7 and earlier.</p>
<p>See this blog post for more information: <a href="http://randomascii.wordpress.com/2013/07/08/windows-timer-resolution-megawatts-wasted/">http://randomascii.wordpress.com/2013/07/08/windows-timer-resolution-megawatts-wasted/</a></p>
<p>If this variable is set to "0", the system timer resolution is not set.</p>
<p>The default value is "1". This hint may be set at any time. </p>
</div>
</div>
<a class="anchor" id="a7d3457c4003d46ddb560a96844ca1f85"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_ALLOW_SCREENSAVER   "SDL_VIDEO_ALLOW_SCREENSAVER"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the screensaver is enabled. </p>
<p>This variable can be set to the following values: "0" - Disable screensaver "1" - Enable screensaver</p>
<p>By default SDL will disable the screensaver. </p>
</div>
</div>
<a class="anchor" id="a7f78bfa36d29dc21728bfabce8b336c3"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES   "SDL_VIDEO_MAC_FULLSCREEN_SPACES"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that dictates policy for fullscreen Spaces on Mac OS X. </p>
<p>This hint only applies to Mac OS X.</p>
<p>The variable can be set to the following values: "0" - Disable Spaces support (FULLSCREEN_DESKTOP won't use them and SDL_WINDOW_RESIZABLE windows won't offer the "fullscreen" button on their titlebars). "1" - Enable Spaces support (FULLSCREEN_DESKTOP will use them and SDL_WINDOW_RESIZABLE windows will offer the "fullscreen" button on their titlebars.</p>
<p>The default value is "1". Spaces are disabled regardless of this hint if the OS isn't at least Mac OS X Lion (10.7). This hint must be set before any windows are created. </p>
</div>
</div>
<a class="anchor" id="a1e91c63c1b9c4afd7c0349b4392270fd"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_WIN_D3DCOMPILER   "SDL_VIDEO_WIN_D3DCOMPILER"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable specifying which shader compiler to preload when using the Chrome ANGLE binaries. </p>
<p>SDL has EGL and OpenGL ES2 support on Windows via the ANGLE project. It can use two different sets of binaries, those compiled by the user from source or those provided by the Chrome browser. In the later case, these binaries require that SDL loads a DLL providing the shader compiler.</p>
<p>This variable can be set to the following values: "d3dcompiler_46.dll" - default, best for Vista or later. "d3dcompiler_43.dll" - for XP support. "none" - do not load any library, useful if you compiled ANGLE from source and included the compiler in your binaries. </p>
</div>
</div>
<a class="anchor" id="a007f98915e3ca58963c3cace38ed3a05"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT   "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that is the address of another SDL_Window* (as a hex string formatted with "%p"). </p>
<p>If this hint is set before <a class="el" href="SDL__video_8h.html#a54b9e13dbc5bf587a8765a9ec0a29772" title="Create an SDL window from an existing native window. ">SDL_CreateWindowFrom()</a> and the SDL_Window* it is set to has SDL_WINDOW_OPENGL set (and running on WGL only, currently), then two things will occur on the newly created SDL_Window:</p>
<ol type="1">
<li>Its pixel format will be set to the same pixel format as this SDL_Window. This is needed for example when sharing an OpenGL context across multiple windows.</li>
<li>The flag SDL_WINDOW_OPENGL will be set on the new window so it can be used for OpenGL rendering.</li>
</ol>
<p>This variable can be set to the following values: The address (as a string "%p") of the SDL_Window* that new windows created with <a class="el" href="SDL__video_8h.html#a54b9e13dbc5bf587a8765a9ec0a29772" title="Create an SDL window from an existing native window. ">SDL_CreateWindowFrom()</a> should share a pixel format with. </p>
</div>
</div>
<a class="anchor" id="ad40f9ea3808d57729baf6d69c019af4b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_X11_XINERAMA   "SDL_VIDEO_X11_XINERAMA"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the X11 Xinerama extension should be used. </p>
<p>This variable can be set to the following values: "0" - Disable Xinerama "1" - Enable Xinerama</p>
<p>By default SDL will use Xinerama if it is available. </p>
</div>
</div>
<a class="anchor" id="ab78bba735481c64f25a01799c0266058"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_X11_XRANDR   "SDL_VIDEO_X11_XRANDR"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the X11 XRandR extension should be used. </p>
<p>This variable can be set to the following values: "0" - Disable XRandR "1" - Enable XRandR</p>
<p>By default SDL will not use XRandR because of window manager issues. </p>
</div>
</div>
<a class="anchor" id="a866aaf8bf196921021eb7bda46b7a781"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_VIDEO_X11_XVIDMODE   "SDL_VIDEO_X11_XVIDMODE"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable controlling whether the X11 VidMode extension should be used. </p>
<p>This variable can be set to the following values: "0" - Disable XVidMode "1" - Enable XVidMode</p>
<p>By default SDL will use XVidMode if it is available. </p>
</div>
</div>
<a class="anchor" id="a50fab1c4959c71f2e066b7eec874ef90"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_WINRT_HANDLE_BACK_BUTTON   "SDL_HINT_WINRT_HANDLE_BACK_BUTTON"</td>
</tr>
</table>
</div><div class="memdoc">
<p>If set to 1, back button press events on Windows Phone 8+ will be marked as handled. </p>
<p>TODO, WinRT: document SDL_HINT_WINRT_HANDLE_BACK_BUTTON need and use For now, more details on why this is needed can be found at the beginning of the following web page: <a href="http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj247550(v=vs.105).aspx">http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj247550(v=vs.105).aspx</a> </p>
</div>
</div>
<a class="anchor" id="a2e703ae1982069e228243e2633cf41c7"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_WINRT_PRIVACY_POLICY_LABEL   "SDL_HINT_WINRT_PRIVACY_POLICY_LABEL"</td>
</tr>
</table>
</div><div class="memdoc">
<p>Label text for a WinRT app's privacy policy link. </p>
<p>Network-enabled WinRT apps must include a privacy policy. On Windows 8, 8.1, and RT, Microsoft mandates that this policy be available via the Windows Settings charm. SDL provides code to add a link there, with it's label text being set via the optional hint, SDL_HINT_WINRT_PRIVACY_POLICY_LABEL.</p>
<p>Please note that a privacy policy's contents are not set via this hint. A separate hint, SDL_HINT_WINRT_PRIVACY_POLICY_URL, is used to link to the actual text of the policy.</p>
<p>The contents of this hint should be encoded as a UTF8 string.</p>
<p>The default value is "Privacy Policy". This hint should only be set during app initialization, preferably before any calls to SDL_Init.</p>
<p>For additional information on linking to a privacy policy, see the documentation for SDL_HINT_WINRT_PRIVACY_POLICY_URL. </p>
</div>
</div>
<a class="anchor" id="a74031ed3b17889222462108800b91c3c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define SDL_HINT_XINPUT_ENABLED   "SDL_XINPUT_ENABLED"</td>
</tr>
</table>
</div><div class="memdoc">
<p>A variable that lets you disable the detection and use of Xinput gamepad devices. </p>
<p>The variable can be set to the following values: "0" - Disable XInput detection (only uses direct input) "1" - Enable XInput detection (the default) </p>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="a9466a87e203a4942eb769057196696c3"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">typedef <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a>(* SDL_HintCallback)(<a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> *userdata, const char *name, const char *oldValue, const char *newValue)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Add a function to watch a particular hint. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>The hint to watch </td></tr>
<tr><td class="paramname">callback</td><td>The function to call when the hint value changes </td></tr>
<tr><td class="paramname">userdata</td><td>A pointer to pass to the callback function </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a7feb78f92319c07e9d53d7be8185cdbb"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL SDL_ClearHints </td>
<td>(</td>
<td class="paramtype"><a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Clear all hints. </p>
<p>This function is called during <a class="el" href="SDL_8h.html#afdabaf714781099083592051f2d9ac11">SDL_Quit()</a> to free stored hints. </p>
</div>
</div>
<a class="anchor" id="aff84d56f5de197e49a778e18ad76ab0e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">DECLSPEC <a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> SDLCALL SDL_DelHintCallback </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="SDL__hints_8h.html#a9466a87e203a4942eb769057196696c3">SDL_HintCallback</a> </td>
<td class="paramname"><em>callback</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="SDL__audio_8h.html#a52835ae37c4bb905b903cbaf5d04b05f">void</a> * </td>
<td class="paramname"><em>userdata</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Remove a function watching a particular hint. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>The hint being watched </td></tr>
<tr><td class="paramname">callback</td><td>The function being called when the hint value changes </td></tr>
<tr><td class="paramname">userdata</td><td>A pointer being passed to the callback function </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a7b26a63a33768fab43d50e3fd0d41eb5"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">DECLSPEC const char* SDLCALL SDL_GetHint </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get a hint. </p>
<dl class="section return"><dt>Returns</dt><dd>The string value of a hint variable. </dd></dl>
</div>
</div>
<a class="anchor" id="a9b47f5aa3911644f0a5a3f0cfa9198a4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_SetHint </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>value</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set a hint with normal priority. </p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if the hint was set, SDL_FALSE otherwise </dd></dl>
</div>
</div>
<a class="anchor" id="aa8dbcd854090784ae237aeeefb7e6232"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_SetHintWithPriority </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="SDL__hints_8h.html#ab85f3099d9bb0445b0c6b5002cfaa7ed">SDL_HintPriority</a> </td>
<td class="paramname"><em>priority</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set a hint with a specific priority. </p>
<p>The priority controls the behavior when setting a hint that already has a value. Hints will replace existing hints of their priority and lower. Environment variables are considered to have override priority.</p>
<dl class="section return"><dt>Returns</dt><dd>SDL_TRUE if the hint was set, SDL_FALSE otherwise </dd></dl>
</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu Oct 16 2014 16:33:09 for My Project by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.8
</small></address>
</body>
</html>
