diff options
Diffstat (limited to 'Alc/hrtf.c')
-rw-r--r-- | Alc/hrtf.c | 34 |
1 files changed, 17 insertions, 17 deletions
@@ -72,7 +72,7 @@ static ALuint NumLoadedHrtfs = 0; static void CalcEvIndices(ALfloat ev, ALuint *evidx, ALfloat *evmu) { ev = (F_PI_2 + ev) * (ELEV_COUNT-1) / F_PI; - evidx[0] = (ALuint)ev; + evidx[0] = fastf2u(ev); evidx[1] = minu(evidx[0] + 1, ELEV_COUNT-1); *evmu = ev - evidx[0]; } @@ -83,7 +83,7 @@ static void CalcEvIndices(ALfloat ev, ALuint *evidx, ALfloat *evmu) static void CalcAzIndices(ALuint evidx, ALfloat az, ALuint *azidx, ALfloat *azmu) { az = (F_PI*2.0f + az) * azCount[evidx] / (F_PI*2.0f); - azidx[0] = (ALuint)az % azCount[evidx]; + azidx[0] = fastf2u(az) % azCount[evidx]; azidx[1] = (azidx[0] + 1) % azCount[evidx]; *azmu = az - aluFloor(az); } @@ -182,12 +182,12 @@ void GetLerpedHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azi } // Calculate the HRIR delays using linear interpolation. - delays[0] = (ALuint)(lerp(lerp(Hrtf->delays[lidx[0]], Hrtf->delays[lidx[1]], mu[0]), - lerp(Hrtf->delays[lidx[2]], Hrtf->delays[lidx[3]], mu[1]), - mu[2]) * 65536.0f); - delays[1] = (ALuint)(lerp(lerp(Hrtf->delays[ridx[0]], Hrtf->delays[ridx[1]], mu[0]), - lerp(Hrtf->delays[ridx[2]], Hrtf->delays[ridx[3]], mu[1]), - mu[2]) * 65536.0f); + delays[0] = fastf2u(lerp(lerp(Hrtf->delays[lidx[0]], Hrtf->delays[lidx[1]], mu[0]), + lerp(Hrtf->delays[lidx[2]], Hrtf->delays[lidx[3]], mu[1]), + mu[2]) * 65536.0f); + delays[1] = fastf2u(lerp(lerp(Hrtf->delays[ridx[0]], Hrtf->delays[ridx[1]], mu[0]), + lerp(Hrtf->delays[ridx[2]], Hrtf->delays[ridx[3]], mu[1]), + mu[2]) * 65536.0f); } // Calculates the moving HRIR target coefficients, target delays, and @@ -279,20 +279,20 @@ ALuint GetMovingHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat a left = (ALfloat)(delays[0] - (delayStep[0] * counter)); right = (ALfloat)(delays[1] - (delayStep[1] * counter)); - delays[0] = (ALuint)(lerp(lerp(Hrtf->delays[lidx[0]], Hrtf->delays[lidx[1]], mu[0]), - lerp(Hrtf->delays[lidx[2]], Hrtf->delays[lidx[3]], mu[1]), - mu[2]) * 65536.0f); - delays[1] = (ALuint)(lerp(lerp(Hrtf->delays[ridx[0]], Hrtf->delays[ridx[1]], mu[0]), - lerp(Hrtf->delays[ridx[2]], Hrtf->delays[ridx[3]], mu[1]), - mu[2]) * 65536.0f); + delays[0] = fastf2u(lerp(lerp(Hrtf->delays[lidx[0]], Hrtf->delays[lidx[1]], mu[0]), + lerp(Hrtf->delays[lidx[2]], Hrtf->delays[lidx[3]], mu[1]), + mu[2]) * 65536.0f); + delays[1] = fastf2u(lerp(lerp(Hrtf->delays[ridx[0]], Hrtf->delays[ridx[1]], mu[0]), + lerp(Hrtf->delays[ridx[2]], Hrtf->delays[ridx[3]], mu[1]), + mu[2]) * 65536.0f); - delayStep[0] = (ALint)(step * (delays[0] - left)); - delayStep[1] = (ALint)(step * (delays[1] - right)); + delayStep[0] = fastf2i(step * (delays[0] - left)); + delayStep[1] = fastf2i(step * (delays[1] - right)); // The stepping count is the number of samples necessary for the HRIR to // complete its transition. The mixer will only apply stepping for this // many samples. - return (ALuint)delta; + return fastf2u(delta); } const struct Hrtf *GetHrtf(ALCdevice *device) |