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Don't put the LFO on the stack

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This commit is contained in:
Chris Robinson
2020-05-03 19:04:43 -07:00
parent fe7a74b09a
commit 15fd3da870
1 changed files with 6 additions and 6 deletions
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alc/effects/vmorpher.cpp
+6 -6
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@@ -32,7 +32,7 @@
namespace {
#define MAX_UPDATE_SAMPLES 128
#define MAX_UPDATE_SAMPLES 256
#define NUM_FORMANTS 4
#define NUM_FILTERS 2
#define Q_FACTOR 5.0f
@@ -132,8 +132,9 @@ struct VmorpherState final : public EffectState {
ALuint mStep{1};
/* Effects buffers */
float mSampleBufferA[MAX_UPDATE_SAMPLES]{};
float mSampleBufferB[MAX_UPDATE_SAMPLES]{};
alignas(16) float mSampleBufferA[MAX_UPDATE_SAMPLES]{};
alignas(16) float mSampleBufferB[MAX_UPDATE_SAMPLES]{};
alignas(16) float mLfo[MAX_UPDATE_SAMPLES]{};
void deviceUpdate(const ALCdevice *device) override;
void update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) override;
@@ -249,10 +250,9 @@ void VmorpherState::process(const size_t samplesToDo, const al::span<const Float
*/
for(size_t base{0u};base < samplesToDo;)
{
alignas(16) float lfo[MAX_UPDATE_SAMPLES];
const size_t td{minz(MAX_UPDATE_SAMPLES, samplesToDo-base)};
mGetSamples(lfo, mIndex, mStep, td);
mGetSamples(mLfo, mIndex, mStep, td);
mIndex += static_cast<ALuint>(mStep * td);
mIndex &= WAVEFORM_FRACMASK;
@@ -279,7 +279,7 @@ void VmorpherState::process(const size_t samplesToDo, const al::span<const Float
alignas(16) float blended[MAX_UPDATE_SAMPLES];
for(size_t i{0u};i < td;i++)
blended[i] = lerp(mSampleBufferA[i], mSampleBufferB[i], lfo[i]);
blended[i] = lerp(mSampleBufferA[i], mSampleBufferB[i], mLfo[i]);
/* Now, mix the processed sound data to the output. */
MixSamples({blended, td}, samplesOut, chandata->CurrentGains, chandata->TargetGains,