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<a href="#define-members">Macros</a> |
<a href="#func-members">Functions</a> </div>
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<div class="title">SDL_cpuinfo.h File Reference</div> </div>
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<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__cpuinfo_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:a05d74b2aab28d821ea7f3f78372fd00e"><td class="memItemLeft" align="right" valign="top"><a id="a05d74b2aab28d821ea7f3f78372fd00e"></a>
#define </td><td class="memItemRight" valign="bottom"><b>SDL_CACHELINE_SIZE</b>   128</td></tr>
<tr class="separator:a05d74b2aab28d821ea7f3f78372fd00e"><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:a888cf77e53a67803402e1740a9639bd7"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a888cf77e53a67803402e1740a9639bd7">SDL_GetCPUCount</a> (void)</td></tr>
<tr class="separator:a888cf77e53a67803402e1740a9639bd7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa699924d6c33d2cac8f1983c4ae4091c"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#aa699924d6c33d2cac8f1983c4ae4091c">SDL_GetCPUCacheLineSize</a> (void)</td></tr>
<tr class="separator:aa699924d6c33d2cac8f1983c4ae4091c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afea666a39b6be7821303adcf16e83c47"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#afea666a39b6be7821303adcf16e83c47">SDL_HasRDTSC</a> (void)</td></tr>
<tr class="separator:afea666a39b6be7821303adcf16e83c47"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9bc2024dc37b1d318eb197c161f8e50b"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a9bc2024dc37b1d318eb197c161f8e50b">SDL_HasAltiVec</a> (void)</td></tr>
<tr class="separator:a9bc2024dc37b1d318eb197c161f8e50b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aecec2f1434aa2eb5c82f974880f5181f"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#aecec2f1434aa2eb5c82f974880f5181f">SDL_HasMMX</a> (void)</td></tr>
<tr class="separator:aecec2f1434aa2eb5c82f974880f5181f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a57efd279a93553cf43a54e3a49db6305"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a57efd279a93553cf43a54e3a49db6305">SDL_Has3DNow</a> (void)</td></tr>
<tr class="separator:a57efd279a93553cf43a54e3a49db6305"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aed4b71a601e3a12786a5280f59c0e26d"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#aed4b71a601e3a12786a5280f59c0e26d">SDL_HasSSE</a> (void)</td></tr>
<tr class="separator:aed4b71a601e3a12786a5280f59c0e26d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aadc66ce3d29c669f6c78ee17c592336e"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#aadc66ce3d29c669f6c78ee17c592336e">SDL_HasSSE2</a> (void)</td></tr>
<tr class="separator:aadc66ce3d29c669f6c78ee17c592336e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab0dfbc5d529ba0b65d1fff744da69f5e"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#ab0dfbc5d529ba0b65d1fff744da69f5e">SDL_HasSSE3</a> (void)</td></tr>
<tr class="separator:ab0dfbc5d529ba0b65d1fff744da69f5e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6719853bee3dd03b8823540705a55932"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a6719853bee3dd03b8823540705a55932">SDL_HasSSE41</a> (void)</td></tr>
<tr class="separator:a6719853bee3dd03b8823540705a55932"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9fea35e1593bb7981cdc1da4d0b2dccb"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a9fea35e1593bb7981cdc1da4d0b2dccb">SDL_HasSSE42</a> (void)</td></tr>
<tr class="separator:a9fea35e1593bb7981cdc1da4d0b2dccb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec739a6c622987314d9a22899c4ba673"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#aec739a6c622987314d9a22899c4ba673">SDL_HasAVX</a> (void)</td></tr>
<tr class="separator:aec739a6c622987314d9a22899c4ba673"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1fa7d982a27fb5a29fc1b291fc1054f4"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a1fa7d982a27fb5a29fc1b291fc1054f4">SDL_HasAVX2</a> (void)</td></tr>
<tr class="separator:a1fa7d982a27fb5a29fc1b291fc1054f4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5108ee8d59a6d8a0a978f96b799bd3b1"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#a5108ee8d59a6d8a0a978f96b799bd3b1">SDL_HasAVX512F</a> (void)</td></tr>
<tr class="separator:a5108ee8d59a6d8a0a978f96b799bd3b1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac5096ea77af07eb4a9d4c754289b2a2b"><td class="memItemLeft" align="right" valign="top">DECLSPEC SDL_bool SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#ac5096ea77af07eb4a9d4c754289b2a2b">SDL_HasNEON</a> (void)</td></tr>
<tr class="separator:ac5096ea77af07eb4a9d4c754289b2a2b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af672834675f296bed0e226113695bebd"><td class="memItemLeft" align="right" valign="top">DECLSPEC int SDLCALL </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__cpuinfo_8h.html#af672834675f296bed0e226113695bebd">SDL_GetSystemRAM</a> (void)</td></tr>
<tr class="separator:af672834675f296bed0e226113695bebd"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>CPU feature detection for SDL. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="aa699924d6c33d2cac8f1983c4ae4091c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa699924d6c33d2cac8f1983c4ae4091c">◆ </a></span>SDL_GetCPUCacheLineSize()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns the L1 cache line size of the CPU</p>
<p>This is useful for determining multi-threaded structure padding or SIMD prefetch sizes. </p>
</div>
</div>
<a id="a888cf77e53a67803402e1740a9639bd7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a888cf77e53a67803402e1740a9639bd7">◆ </a></span>SDL_GetCPUCount()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_GetCPUCount </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This function returns the number of CPU cores available. </p>
</div>
</div>
<a id="af672834675f296bed0e226113695bebd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af672834675f296bed0e226113695bebd">◆ </a></span>SDL_GetSystemRAM()</h2>
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<td class="memname">DECLSPEC int SDLCALL SDL_GetSystemRAM </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<p>This function returns the amount of RAM configured in the system, in MB. </p>
</div>
</div>
<a id="a57efd279a93553cf43a54e3a49db6305"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a57efd279a93553cf43a54e3a49db6305">◆ </a></span>SDL_Has3DNow()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_Has3DNow </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This function returns true if the CPU has 3DNow! features. </p>
</div>
</div>
<a id="a9bc2024dc37b1d318eb197c161f8e50b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9bc2024dc37b1d318eb197c161f8e50b">◆ </a></span>SDL_HasAltiVec()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>This function returns true if the CPU has AltiVec features. </p>
</div>
</div>
<a id="aec739a6c622987314d9a22899c4ba673"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aec739a6c622987314d9a22899c4ba673">◆ </a></span>SDL_HasAVX()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasAVX </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>This function returns true if the CPU has AVX features. </p>
</div>
</div>
<a id="a1fa7d982a27fb5a29fc1b291fc1054f4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1fa7d982a27fb5a29fc1b291fc1054f4">◆ </a></span>SDL_HasAVX2()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasAVX2 </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<p>This function returns true if the CPU has AVX2 features. </p>
</div>
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<a id="a5108ee8d59a6d8a0a978f96b799bd3b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5108ee8d59a6d8a0a978f96b799bd3b1">◆ </a></span>SDL_HasAVX512F()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>This function returns true if the CPU has AVX-512F (foundation) features. </p>
</div>
</div>
<a id="aecec2f1434aa2eb5c82f974880f5181f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aecec2f1434aa2eb5c82f974880f5181f">◆ </a></span>SDL_HasMMX()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasMMX </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has MMX features. </p>
</div>
</div>
<a id="ac5096ea77af07eb4a9d4c754289b2a2b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac5096ea77af07eb4a9d4c754289b2a2b">◆ </a></span>SDL_HasNEON()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasNEON </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<p>This function returns true if the CPU has NEON (ARM SIMD) features. </p>
</div>
</div>
<a id="afea666a39b6be7821303adcf16e83c47"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afea666a39b6be7821303adcf16e83c47">◆ </a></span>SDL_HasRDTSC()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has the RDTSC instruction. </p>
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<a id="aed4b71a601e3a12786a5280f59c0e26d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aed4b71a601e3a12786a5280f59c0e26d">◆ </a></span>SDL_HasSSE()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasSSE </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has SSE features. </p>
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<a id="aadc66ce3d29c669f6c78ee17c592336e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aadc66ce3d29c669f6c78ee17c592336e">◆ </a></span>SDL_HasSSE2()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasSSE2 </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has SSE2 features. </p>
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<a id="ab0dfbc5d529ba0b65d1fff744da69f5e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab0dfbc5d529ba0b65d1fff744da69f5e">◆ </a></span>SDL_HasSSE3()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasSSE3 </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has SSE3 features. </p>
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<a id="a6719853bee3dd03b8823540705a55932"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6719853bee3dd03b8823540705a55932">◆ </a></span>SDL_HasSSE41()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasSSE41 </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>This function returns true if the CPU has SSE4.1 features. </p>
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<a id="a9fea35e1593bb7981cdc1da4d0b2dccb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9fea35e1593bb7981cdc1da4d0b2dccb">◆ </a></span>SDL_HasSSE42()</h2>
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<td class="memname">DECLSPEC SDL_bool SDLCALL SDL_HasSSE42 </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<p>This function returns true if the CPU has SSE4.2 features. </p>
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by-pkgid
>
e9b95e491449c2f86cebd7d8d6e87d2a
>
files
>
30
