diff options
author | Chris Robinson <[email protected]> | 2011-09-29 04:03:18 -0700 |
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committer | Chris Robinson <[email protected]> | 2011-09-29 04:03:18 -0700 |
commit | f4925a0e6a1988a4274ab1c8928ba88f70b6c39a (patch) | |
tree | c61285d90931c5202243cc2ced271462921f0434 /OpenAL32/Include | |
parent | b6b3ca6e6ffab6aa943c760be1290954190ae66e (diff) |
Use inline functions to set/restore the FPU mode for mixer updates
Diffstat (limited to 'OpenAL32/Include')
-rw-r--r-- | OpenAL32/Include/alu.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h index e8ac64fd..6c09d32f 100644 --- a/OpenAL32/Include/alu.h +++ b/OpenAL32/Include/alu.h @@ -195,6 +195,30 @@ static __inline ALfloat cubic(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat return a0*mu*mu2 + a1*mu2 + a2*mu + a3; } + +static __inline int SetMixerFPUMode(void) +{ + int fpuState = 0; +#if defined(HAVE_FESETROUND) + fpuState = fegetround(); + fesetround(FE_TOWARDZERO); +#elif defined(HAVE__CONTROLFP) + fpuState = _controlfp(0, 0); + (void)_controlfp(_RC_CHOP, _MCW_RC); +#endif + return fpuState; +} + +static __inline void RestoreFPUMode(int state) +{ +#if defined(HAVE_FESETROUND) + fesetround(state); +#elif defined(HAVE__CONTROLFP) + _controlfp(state, _MCW_RC); +#endif +} + + ALvoid aluInitPanning(ALCdevice *Device); ALint aluCart2LUTpos(ALfloat re, ALfloat im); |