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fix usage of internal API for Apple iOS devices

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Thanks to nharishankar for the report, see Issue 738
This commit is contained in:
erwin.coumans
2013-09-10 19:59:33 +00:00
parent 6b3828d74b
commit 771ae1ce41
1 changed files with 15 additions and 0 deletions
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15
src/LinearMath/btVector3.cpp
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@@ -835,24 +835,39 @@ static long _mindot_large_sel( const float *vv, const float *vec, unsigned long
long (*_maxdot_large)( const float *vv, const float *vec, unsigned long count, float *dotResult ) = _maxdot_large_sel;
long (*_mindot_large)( const float *vv, const float *vec, unsigned long count, float *dotResult ) = _mindot_large_sel;
//Apple doesn't allow to use this internal API and rejects Apps.
//thanks Apple for rejecting your own contribution :-)
//Let's always use version 'v1'
//See https://code.google.com/p/bullet/issues/detail?id=738
#ifdef USE_DEVICE_CAPABILITIES
extern "C" {int _get_cpu_capabilities( void );}
#endif //USE_DEVICE_CAPABILITIES
static long _maxdot_large_sel( const float *vv, const float *vec, unsigned long count, float *dotResult )
{
#ifdef USE_DEVICE_CAPABILITIES
if( _get_cpu_capabilities() & 0x2000 )
_maxdot_large = _maxdot_large_v1;
else
_maxdot_large = _maxdot_large_v0;
#else
_maxdot_large = _maxdot_large_v1;
#endif
return _maxdot_large(vv, vec, count, dotResult);
}
static long _mindot_large_sel( const float *vv, const float *vec, unsigned long count, float *dotResult )
{
#ifdef USE_DEVICE_CAPABILITIES
if( _get_cpu_capabilities() & 0x2000 )
_mindot_large = _mindot_large_v1;
else
_mindot_large = _mindot_large_v0;
#else
_mindot_large = _mindot_large_v1;
#endif
return _mindot_large(vv, vec, count, dotResult);
}