renderWave.h File Reference

#include "VectorRenderingFunction.h"

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Macros
#define	setupAmplitudeVector(i)
#define	RENDER_OSC_SYNC(storageFunctionName, valueFunctionName, extraInstructionsForCrossoverSampleRedo, startRenderingASyncLabel)
#define	RENDER_WAVETABLE_LOOP(dontCare)
#define	RENDER_SINGLE_CYCLE_WAVEFORM_LOOP(dontCare)
#define	WAVETABLE_EXTRA_INSTRUCTIONS_FOR_CROSSOVER_SAMPLE_REDO
#define	STORE_VECTOR_WAVE_FOR_ONE_SYNC(vectorValueFunctionName)
#define	SETUP_FOR_APPLYING_AMPLITUDE_WITH_VECTORS()
#define	CREATE_WAVE_RENDER_FUNCTION_INSTANCE(thisFunctionInstanceName, vectorValueFunctionName)

Macro Definition Documentation

CREATE_WAVE_RENDER_FUNCTION_INSTANCE

#define CREATE_WAVE_RENDER_FUNCTION_INSTANCE	(		thisFunctionInstanceName,
			vectorValueFunctionName
	)

Value:

\
__attribute__((optimize("unroll-loops"))) \
void thisFunctionInstanceName(const int16_t* __restrict__ table, int tableSizeMagnitude, int32_t amplitude, int32_t* __restrict__ outputBuffer, int32_t* bufferEnd, \
        uint32_t phaseIncrement, uint32_t phase, bool applyAmplitude, uint32_t phaseToAdd, int32_t amplitudeIncrement) { \
    \
    int16x4_t const32767 = vdup_n_s16(32767); \
    int32_t* __restrict__ outputBufferPos = outputBuffer; \
    SETUP_FOR_APPLYING_AMPLITUDE_WITH_VECTORS(); \
    uint32_t phaseTemp = phase; \
    \
    do { \
        int32x4_t valueVector; \
        \
        vectorValueFunctionName(); \
        \
        if (applyAmplitude) { \
            int32x4_t existingDataInBuffer = vld1q_s32(outputBufferPos); \
            valueVector = vqdmulhq_s32(amplitudeVector, valueVector); \
            amplitudeVector = vaddq_s32(amplitudeVector, amplitudeIncrementVector); \
            valueVector = vaddq_s32(valueVector, existingDataInBuffer); \
        } \
        \
        vst1q_s32(outputBufferPos, valueVector); \
        \
        outputBufferPos += 4; \
    } \
    while (outputBufferPos < bufferEnd); \
};

RENDER_OSC_SYNC

#define RENDER_OSC_SYNC	(		storageFunctionName,
			valueFunctionName,
			extraInstructionsForCrossoverSampleRedo,
			startRenderingASyncLabel
	)

RENDER_SINGLE_CYCLE_WAVEFORM_LOOP

#define RENDER_SINGLE_CYCLE_WAVEFORM_LOOP

(

dontCare

)

Value:

    { \
    doRenderingLoopSingleCycle  (bufferStartThisSync, bufferEndThisSyncRender, bandHere, phaseTemp, phaseIncrement, kernel); \
}

RENDER_WAVETABLE_LOOP

#define RENDER_WAVETABLE_LOOP

(

dontCare

)

Value:

    { \
    doRenderingLoop             (bufferStartThisSync, bufferEndThisSyncRender, firstCycleNumber, bandHere, phaseTemp, phaseIncrement, crossCycleStrength2, crossCycleStrength2Increment, kernel); \
}

SETUP_FOR_APPLYING_AMPLITUDE_WITH_VECTORS

#define SETUP_FOR_APPLYING_AMPLITUDE_WITH_VECTORS

(

)

Value:

    int32x4_t amplitudeVector; \
    setupAmplitudeVector(0) \
    setupAmplitudeVector(1) \
    setupAmplitudeVector(2) \
    setupAmplitudeVector(3) \
    int32x4_t amplitudeIncrementVector = vdupq_n_s32(amplitudeIncrement << 1);

setupAmplitudeVector

#define setupAmplitudeVector

(

i

)

Value:

    { \
    amplitude += amplitudeIncrement; \
    amplitudeVector = vsetq_lane_s32(amplitude >> 1, amplitudeVector, i); \
}

STORE_VECTOR_WAVE_FOR_ONE_SYNC

#define STORE_VECTOR_WAVE_FOR_ONE_SYNC

(

vectorValueFunctionName

)

Value:

    { \
    do { \
        int32x4_t valueVector; \
        vectorValueFunctionName(); \
        vst1q_s32(writePos, valueVector); \
        writePos += 4; \
    } while (writePos < bufferEndThisSyncRender); \
}

WAVETABLE_EXTRA_INSTRUCTIONS_FOR_CROSSOVER_SAMPLE_REDO

#define WAVETABLE_EXTRA_INSTRUCTIONS_FOR_CROSSOVER_SAMPLE_REDO

Value:

    { \
    crossCycleStrength2 += crossCycleStrength2Increment * (samplesIncludingNextCrossoverSample - 1); \
}