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-rw-r--r--Alc/ALu.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 424b12ac..1288f7b2 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -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; }