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make sure we have more than one CPUs before enabling multi-threaded OpenGL

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git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@1139 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
Ozkan Sezer 2014-11-03 09:20:23 +00:00
parent a4b30a4eed
commit 6b57f04f57
1 changed files with 3 additions and 2 deletions
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5
Quake/gl_vidsdl.c
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@ -1050,8 +1050,9 @@ static void GL_Init (void)
#ifdef __APPLE__ #ifdef __APPLE__
// ericw -- enable multi-threaded OpenGL, gives a decent FPS boost. // ericw -- enable multi-threaded OpenGL, gives a decent FPS boost.
// see: https://developer.apple.com/library/mac/technotes/tn2085/_index.html // https://developer.apple.com/library/mac/technotes/tn2085/
if (kCGLNoError != CGLEnable( CGLGetCurrentContext(), kCGLCEMPEngine)) if (host_parms->numcpus > 1 &&
kCGLNoError != CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine))
{ {
Con_Warning ("Couldn't enable multi-threaded OpenGL"); Con_Warning ("Couldn't enable multi-threaded OpenGL");
} }