diff options
Diffstat (limited to 'OpenAL32/Include/alAuxEffectSlot.h')
| -rw-r--r-- | OpenAL32/Include/alAuxEffectSlot.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h index bbb112be..3f677fd1 100644 --- a/OpenAL32/Include/alAuxEffectSlot.h +++ b/OpenAL32/Include/alAuxEffectSlot.h @@ -64,6 +64,9 @@ static const struct ALeffectStateFactoryVtable T##_ALeffectStateFactory_vtable = } +#define MAX_EFFECT_CHANNELS (4) + + typedef struct ALeffectslot { ALenum EffectType; ALeffectProps EffectProps; @@ -74,12 +77,24 @@ typedef struct ALeffectslot { ATOMIC(ALenum) NeedsUpdate; ALeffectState *EffectState; - alignas(16) ALfloat WetBuffer[1][BUFFERSIZE]; - RefCount ref; /* Self ID */ ALuint id; + + ALuint NumChannels; + ChannelConfig AmbiCoeffs[MAX_EFFECT_CHANNELS]; + /* Wet buffer configuration is ACN channel order with N3D scaling: + * * Channel 0 is the unattenuated mono signal. + * * Channel 1 is OpenAL -X + * * Channel 2 is OpenAL Y + * * Channel 3 is OpenAL -Z + * Consequently, effects that only want to work with mono input can use + * channel 0 by itself. Effects that want multichannel can process the + * ambisonics signal and create a B-Format pan (ComputeBFormatGains) for + * the device output. + */ + alignas(16) ALfloat WetBuffer[MAX_EFFECT_CHANNELS][BUFFERSIZE]; } ALeffectslot; inline struct ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id) |