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656 lines
22 KiB
656 lines
22 KiB
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <cstdlib>
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#include <algorithm>
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#include "alMain.h"
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#include "alcontext.h"
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#include "alu.h"
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#include "alFilter.h"
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#include "alError.h"
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#include "alexcpt.h"
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namespace {
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#define FILTER_MIN_GAIN 0.0f
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#define FILTER_MAX_GAIN 4.0f /* +12dB */
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void ALlowpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param); }
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void ALlowpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x", param); }
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void ALlowpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
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{
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switch(param)
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{
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case AL_LOWPASS_GAIN:
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if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "Low-pass gain %f out of range", val);
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filter->Gain = val;
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break;
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case AL_LOWPASS_GAINHF:
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if(!(val >= AL_LOWPASS_MIN_GAINHF && val <= AL_LOWPASS_MAX_GAINHF))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "Low-pass gainhf %f out of range", val);
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filter->GainHF = val;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param);
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}
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}
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void ALlowpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
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{ ALlowpass_setParamf(filter, context, param, vals[0]); }
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void ALlowpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer property 0x%04x", param); }
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void ALlowpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid low-pass integer-vector property 0x%04x", param); }
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void ALlowpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
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{
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switch(param)
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{
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case AL_LOWPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_LOWPASS_GAINHF:
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*val = filter->GainHF;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid low-pass float property 0x%04x", param);
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}
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}
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void ALlowpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
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{ ALlowpass_getParamf(filter, context, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALlowpass);
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void ALhighpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param); }
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void ALhighpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x", param); }
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void ALhighpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
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{
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switch(param)
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{
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case AL_HIGHPASS_GAIN:
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if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "High-pass gain out of range");
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filter->Gain = val;
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break;
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case AL_HIGHPASS_GAINLF:
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if(!(val >= AL_HIGHPASS_MIN_GAINLF && val <= AL_HIGHPASS_MAX_GAINLF))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "High-pass gainlf out of range");
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filter->GainLF = val;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param);
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}
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}
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void ALhighpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
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{ ALhighpass_setParamf(filter, context, param, vals[0]); }
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void ALhighpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer property 0x%04x", param); }
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void ALhighpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid high-pass integer-vector property 0x%04x", param); }
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void ALhighpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
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{
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switch(param)
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{
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case AL_HIGHPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_HIGHPASS_GAINLF:
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*val = filter->GainLF;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid high-pass float property 0x%04x", param);
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}
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}
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void ALhighpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
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{ ALhighpass_getParamf(filter, context, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALhighpass);
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void ALbandpass_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param); }
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void ALbandpass_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x", param); }
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void ALbandpass_setParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val)
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{
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switch(param)
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{
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case AL_BANDPASS_GAIN:
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if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gain out of range");
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filter->Gain = val;
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break;
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case AL_BANDPASS_GAINHF:
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if(!(val >= AL_BANDPASS_MIN_GAINHF && val <= AL_BANDPASS_MAX_GAINHF))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gainhf out of range");
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filter->GainHF = val;
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break;
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case AL_BANDPASS_GAINLF:
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if(!(val >= AL_BANDPASS_MIN_GAINLF && val <= AL_BANDPASS_MAX_GAINLF))
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SETERR_RETURN(context, AL_INVALID_VALUE,, "Band-pass gainlf out of range");
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filter->GainLF = val;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param);
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}
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}
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void ALbandpass_setParamfv(ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals)
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{ ALbandpass_setParamf(filter, context, param, vals[0]); }
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void ALbandpass_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer property 0x%04x", param); }
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void ALbandpass_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid band-pass integer-vector property 0x%04x", param); }
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void ALbandpass_getParamf(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val)
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{
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switch(param)
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{
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case AL_BANDPASS_GAIN:
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*val = filter->Gain;
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break;
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case AL_BANDPASS_GAINHF:
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*val = filter->GainHF;
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break;
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case AL_BANDPASS_GAINLF:
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*val = filter->GainLF;
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break;
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default:
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alSetError(context, AL_INVALID_ENUM, "Invalid band-pass float property 0x%04x", param);
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}
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}
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void ALbandpass_getParamfv(ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals)
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{ ALbandpass_getParamf(filter, context, param, vals); }
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DEFINE_ALFILTER_VTABLE(ALbandpass);
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void ALnullfilter_setParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_setParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_setParamf(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_setParamfv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, const ALfloat *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_getParami(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_getParamiv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_getParamf(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat *UNUSED(val))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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void ALnullfilter_getParamfv(ALfilter *UNUSED(filter), ALCcontext *context, ALenum param, ALfloat *UNUSED(vals))
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{ alSetError(context, AL_INVALID_ENUM, "Invalid null filter property 0x%04x", param); }
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DEFINE_ALFILTER_VTABLE(ALnullfilter);
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void InitFilterParams(ALfilter *filter, ALenum type)
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{
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if(type == AL_FILTER_LOWPASS)
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{
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filter->Gain = AL_LOWPASS_DEFAULT_GAIN;
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filter->GainHF = AL_LOWPASS_DEFAULT_GAINHF;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = 1.0f;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALlowpass_vtable;
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}
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else if(type == AL_FILTER_HIGHPASS)
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{
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filter->Gain = AL_HIGHPASS_DEFAULT_GAIN;
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filter->GainHF = 1.0f;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = AL_HIGHPASS_DEFAULT_GAINLF;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALhighpass_vtable;
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}
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else if(type == AL_FILTER_BANDPASS)
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{
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filter->Gain = AL_BANDPASS_DEFAULT_GAIN;
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filter->GainHF = AL_BANDPASS_DEFAULT_GAINHF;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = AL_BANDPASS_DEFAULT_GAINLF;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALbandpass_vtable;
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}
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else
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{
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filter->Gain = 1.0f;
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filter->GainHF = 1.0f;
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filter->HFReference = LOWPASSFREQREF;
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filter->GainLF = 1.0f;
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filter->LFReference = HIGHPASSFREQREF;
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filter->vtab = &ALnullfilter_vtable;
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}
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filter->type = type;
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}
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ALfilter *AllocFilter(ALCcontext *context)
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{
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ALCdevice *device{context->Device};
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std::lock_guard<std::mutex> _{device->FilterLock};
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auto sublist = std::find_if(device->FilterList.begin(), device->FilterList.end(),
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[](const FilterSubList &entry) noexcept -> bool
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{ return entry.FreeMask != 0; }
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);
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auto lidx = static_cast<ALsizei>(std::distance(device->FilterList.begin(), sublist));
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ALfilter *filter{nullptr};
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ALsizei slidx{0};
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if(LIKELY(sublist != device->FilterList.end()))
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{
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slidx = CTZ64(sublist->FreeMask);
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filter = sublist->Filters + slidx;
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}
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else
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{
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/* Don't allocate so many list entries that the 32-bit ID could
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* overflow...
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*/
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if(UNLIKELY(device->FilterList.size() >= 1<<25))
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{
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alSetError(context, AL_OUT_OF_MEMORY, "Too many filters allocated");
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return nullptr;
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}
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device->FilterList.emplace_back();
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sublist = device->FilterList.end() - 1;
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sublist->FreeMask = ~0_u64;
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sublist->Filters = static_cast<ALfilter*>(al_calloc(16, sizeof(ALfilter)*64));
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if(UNLIKELY(!sublist->Filters))
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{
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device->FilterList.pop_back();
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alSetError(context, AL_OUT_OF_MEMORY, "Failed to allocate filter batch");
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return nullptr;
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}
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slidx = 0;
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filter = sublist->Filters + slidx;
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}
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filter = new (filter) ALfilter{};
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InitFilterParams(filter, AL_FILTER_NULL);
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/* Add 1 to avoid filter ID 0. */
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filter->id = ((lidx<<6) | slidx) + 1;
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sublist->FreeMask &= ~(1_u64 << slidx);
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return filter;
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}
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void FreeFilter(ALCdevice *device, ALfilter *filter)
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{
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ALuint id = filter->id - 1;
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ALsizei lidx = id >> 6;
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ALsizei slidx = id & 0x3f;
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filter->~ALfilter();
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device->FilterList[lidx].FreeMask |= 1_u64 << slidx;
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}
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inline ALfilter *LookupFilter(ALCdevice *device, ALuint id)
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{
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ALuint lidx = (id-1) >> 6;
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ALsizei slidx = (id-1) & 0x3f;
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if(UNLIKELY(lidx >= device->FilterList.size()))
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return nullptr;
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FilterSubList &sublist = device->FilterList[lidx];
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if(UNLIKELY(sublist.FreeMask & (1_u64 << slidx)))
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return nullptr;
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return sublist.Filters + slidx;
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}
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} // namespace
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AL_API ALvoid AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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if(UNLIKELY(n < 0))
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{
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alSetError(context.get(), AL_INVALID_VALUE, "Generating %d filters", n);
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return;
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}
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if(LIKELY(n == 1))
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{
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/* Special handling for the easy and normal case. */
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ALfilter *filter = AllocFilter(context.get());
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if(filter) filters[0] = filter->id;
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}
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else if(n > 1)
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{
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/* Store the allocated buffer IDs in a separate local list, to avoid
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* modifying the user storage in case of failure.
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*/
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al::vector<ALuint> ids;
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ids.reserve(n);
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do {
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ALfilter *filter = AllocFilter(context.get());
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if(!filter)
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{
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alDeleteFilters(static_cast<ALsizei>(ids.size()), ids.data());
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return;
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}
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ids.emplace_back(filter->id);
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} while(--n);
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std::copy(ids.begin(), ids.end(), filters);
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}
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}
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END_API_FUNC
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AL_API ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, const ALuint *filters)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(UNLIKELY(!context)) return;
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if(UNLIKELY(n < 0))
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{
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alSetError(context.get(), AL_INVALID_VALUE, "Deleting %d filters", n);
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return;
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}
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if(UNLIKELY(n == 0))
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return;
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ALCdevice *device{context->Device};
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std::lock_guard<std::mutex> _{device->FilterLock};
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/* First try to find any filters that are invalid. */
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const ALuint *filters_end = filters + n;
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auto invflt = std::find_if(filters, filters_end,
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[device, &context](ALuint fid) -> bool
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{
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if(!fid) return false;
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ALfilter *filter{LookupFilter(device, fid)};
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if(UNLIKELY(!filter))
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{
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alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", fid);
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return true;
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}
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return false;
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}
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);
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if(LIKELY(invflt == filters_end))
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{
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/* All good. Delete non-0 filter IDs. */
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std::for_each(filters, filters_end,
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[device](ALuint fid) -> void
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{
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ALfilter *filter{fid ? LookupFilter(device, fid) : nullptr};
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if(filter) FreeFilter(device, filter);
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}
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);
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}
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}
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END_API_FUNC
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AL_API ALboolean AL_APIENTRY alIsFilter(ALuint filter)
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START_API_FUNC
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{
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ContextRef context{GetContextRef()};
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if(LIKELY(context))
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{
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ALCdevice *device{context->Device};
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|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
if(!filter || LookupFilter(device, filter))
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
if(param == AL_FILTER_TYPE)
|
|
{
|
|
if(value == AL_FILTER_NULL || value == AL_FILTER_LOWPASS ||
|
|
value == AL_FILTER_HIGHPASS || value == AL_FILTER_BANDPASS)
|
|
InitFilterParams(alfilt, value);
|
|
else
|
|
alSetError(context.get(), AL_INVALID_VALUE, "Invalid filter type 0x%04x", value);
|
|
}
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParami(alfilt, context.get(), param, value);
|
|
}
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilteriv(ALuint filter, ALenum param, const ALint *values)
|
|
START_API_FUNC
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alFilteri(filter, param, values[0]);
|
|
return;
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamiv(alfilt, context.get(), param, values);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamf(alfilt, context.get(), param, value);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alFilterfv(ALuint filter, ALenum param, const ALfloat *values)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_setParamfv(alfilt, context.get(), param, values);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
if(param == AL_FILTER_TYPE)
|
|
*value = alfilt->type;
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParami(alfilt, context.get(), param, value);
|
|
}
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *values)
|
|
START_API_FUNC
|
|
{
|
|
switch(param)
|
|
{
|
|
case AL_FILTER_TYPE:
|
|
alGetFilteri(filter, param, values);
|
|
return;
|
|
}
|
|
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamiv(alfilt, context.get(), param, values);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *value)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamf(alfilt, context.get(), param, value);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
AL_API ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *values)
|
|
START_API_FUNC
|
|
{
|
|
ContextRef context{GetContextRef()};
|
|
if(UNLIKELY(!context)) return;
|
|
|
|
ALCdevice *device{context->Device};
|
|
std::lock_guard<std::mutex> _{device->FilterLock};
|
|
|
|
ALfilter *alfilt{LookupFilter(device, filter)};
|
|
if(UNLIKELY(!alfilt))
|
|
alSetError(context.get(), AL_INVALID_NAME, "Invalid filter ID %u", filter);
|
|
else
|
|
{
|
|
/* Call the appropriate handler */
|
|
ALfilter_getParamfv(alfilt, context.get(), param, values);
|
|
}
|
|
}
|
|
END_API_FUNC
|
|
|
|
|
|
FilterSubList::~FilterSubList()
|
|
{
|
|
uint64_t usemask{~FreeMask};
|
|
while(usemask)
|
|
{
|
|
ALsizei idx = CTZ64(usemask);
|
|
Filters[idx].~ALfilter();
|
|
usemask &= ~(1_u64 << idx);
|
|
}
|
|
FreeMask = ~usemask;
|
|
al_free(Filters);
|
|
Filters = nullptr;
|
|
}
|