OpenAL32/Include/alAuxEffectSlot.h

   1 #ifndef _AL_AUXEFFECTSLOT_H_
   2 #define _AL_AUXEFFECTSLOT_H_
   3
   4 #include "alMain.h"
   5 #include "alEffect.h"
   6
   7 #include "align.h"
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 struct ALeffectStateVtable;
  14 struct ALeffectslot;
  15
  16 typedef struct ALeffectState {
  17     const struct ALeffectStateVtable *vtbl;
  18 } ALeffectState;
  19
  20 struct ALeffectStateVtable {
  21     void (*const Destruct)(ALeffectState *state);
  22
  23     ALboolean (*const deviceUpdate)(ALeffectState *state, ALCdevice *device);
  24     void (*const update)(ALeffectState *state, ALCdevice *device, const struct ALeffectslot *slot);
  25     void (*const process)(ALeffectState *state, ALuint samplesToDo, const ALfloat *restrict samplesIn, ALfloat (*restrict samplesOut)[BUFFERSIZE]);
  26
  27     void (*const Delete)(void *ptr);
  28 };
  29
  30 #define DEFINE_ALEFFECTSTATE_VTABLE(T)                                        \
  31 DECLARE_THUNK(T, ALeffectState, void, Destruct)                               \
  32 DECLARE_THUNK1(T, ALeffectState, ALboolean, deviceUpdate, ALCdevice*)         \
  33 DECLARE_THUNK2(T, ALeffectState, void, update, ALCdevice*, const ALeffectslot*) \
  34 DECLARE_THUNK3(T, ALeffectState, void, process, ALuint, const ALfloat*restrict, ALfloatBUFFERSIZE*restrict) \
  35 static void T##_ALeffectState_Delete(void *ptr)                               \
  36 { return T##_Delete(STATIC_UPCAST(T, ALeffectState, (ALeffectState*)ptr)); }  \
  37                                                                               \
  38 static const struct ALeffectStateVtable T##_ALeffectState_vtable = {          \
  39     T##_ALeffectState_Destruct,                                               \
  40                                                                               \
  41     T##_ALeffectState_deviceUpdate,                                           \
  42     T##_ALeffectState_update,                                                 \
  43     T##_ALeffectState_process,                                                \
  44                                                                               \
  45     T##_ALeffectState_Delete,                                                 \
  46 }
  47
  48
  49 struct ALeffectStateFactoryVtable;
  50
  51 typedef struct ALeffectStateFactory {
  52     const struct ALeffectStateFactoryVtable *vtbl;
  53 } ALeffectStateFactory;
  54
  55 struct ALeffectStateFactoryVtable {
  56     ALeffectState *(*const create)(ALeffectStateFactory *factory);
  57 };
  58
  59 #define DEFINE_ALEFFECTSTATEFACTORY_VTABLE(T)                                 \
  60 DECLARE_THUNK(T, ALeffectStateFactory, ALeffectState*, create)                \
  61                                                                               \
  62 static const struct ALeffectStateFactoryVtable T##_ALeffectStateFactory_vtable = { \
  63     T##_ALeffectStateFactory_create,                                          \
  64 }
  65
  66
  67 typedef struct ALeffectslot {
  68     ALenum EffectType;
  69     ALeffectProps EffectProps;
  70
  71     volatile ALfloat   Gain;
  72     volatile ALboolean AuxSendAuto;
  73
  74     ATOMIC(ALenum) NeedsUpdate;
  75     ALeffectState *EffectState;
  76
  77     alignas(16) ALfloat WetBuffer[1][BUFFERSIZE];
  78
  79     RefCount ref;
  80
  81     /* Self ID */
  82     ALuint id;
  83 } ALeffectslot;
  84
  85 inline struct ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id)
  86 { return (struct ALeffectslot*)LookupUIntMapKey(&context->EffectSlotMap, id); }
  87 inline struct ALeffectslot *RemoveEffectSlot(ALCcontext *context, ALuint id)
  88 { return (struct ALeffectslot*)RemoveUIntMapKey(&context->EffectSlotMap, id); }
  89
  90 ALenum InitEffectSlot(ALeffectslot *slot);
  91 ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context);
  92
  93
  94 ALeffectStateFactory *ALnullStateFactory_getFactory(void);
  95 ALeffectStateFactory *ALreverbStateFactory_getFactory(void);
  96 ALeffectStateFactory *ALautowahStateFactory_getFactory(void);
  97 ALeffectStateFactory *ALchorusStateFactory_getFactory(void);
  98 ALeffectStateFactory *ALcompressorStateFactory_getFactory(void);
  99 ALeffectStateFactory *ALdistortionStateFactory_getFactory(void);
 100 ALeffectStateFactory *ALechoStateFactory_getFactory(void);
 101 ALeffectStateFactory *ALequalizerStateFactory_getFactory(void);
 102 ALeffectStateFactory *ALflangerStateFactory_getFactory(void);
 103 ALeffectStateFactory *ALmodulatorStateFactory_getFactory(void);
 104
 105 ALeffectStateFactory *ALdedicatedStateFactory_getFactory(void);
 106
 107
 108 ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *effect);
 109
 110 void InitEffectFactoryMap(void);
 111 void DeinitEffectFactoryMap(void);
 112
 113 #ifdef __cplusplus
 114 }
 115 #endif
 116
 117 #endif