diff options
| -rw-r--r-- | Alc/ALu.c | 17 |
1 files changed, 10 insertions, 7 deletions
@@ -912,24 +912,27 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) } -static __inline ALfloat aluF2F(ALfloat val) -{ return val; } -static __inline ALint aluF2I(ALfloat val) +static __inline ALint aluF2I25(ALfloat val) { /* Clamp the value between -1 and +1. This handles that with only a single branch. */ if(fabsf(val) > 1.0f) val = (ALfloat)((0.0f < val) - (val < 0.0f)); - /* Convert to a signed integer, between -2147483647 and +2147483647. */ - return fastf2i((ALfloat)(val*2147483647.0)); + /* Convert to a signed integer, between -16777215 and +16777215. */ + return fastf2i(val*16777215.0f); } + +static __inline ALfloat aluF2F(ALfloat val) +{ return val; } +static __inline ALint aluF2I(ALfloat val) +{ return aluF2I25(val)<<7; } static __inline ALuint aluF2UI(ALfloat val) { return aluF2I(val)+2147483648u; } static __inline ALshort aluF2S(ALfloat val) -{ return aluF2I(val)>>16; } +{ return aluF2I25(val)>>9; } static __inline ALushort aluF2US(ALfloat val) { return aluF2S(val)+32768; } static __inline ALbyte aluF2B(ALfloat val) -{ return aluF2I(val)>>24; } +{ return aluF2I25(val)>>17; } static __inline ALubyte aluF2UB(ALfloat val) { return aluF2B(val)+128; } |