diff options
Diffstat (limited to 'dom/media/webaudio/AudioNodeEngineSSE2.cpp')
-rw-r--r-- | dom/media/webaudio/AudioNodeEngineSSE2.cpp | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/dom/media/webaudio/AudioNodeEngineSSE2.cpp b/dom/media/webaudio/AudioNodeEngineSSE2.cpp new file mode 100644 index 000000000..a03323239 --- /dev/null +++ b/dom/media/webaudio/AudioNodeEngineSSE2.cpp @@ -0,0 +1,315 @@ +/* -*- mode: c++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* this source code form is subject to the terms of the mozilla public + * license, v. 2.0. if a copy of the mpl was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "AudioNodeEngineSSE2.h" +#include "AlignmentUtils.h" +#include <emmintrin.h> + + +namespace mozilla { +void +AudioBufferAddWithScale_SSE(const float* aInput, + float aScale, + float* aOutput, + uint32_t aSize) +{ + __m128 vin0, vin1, vin2, vin3, + vscaled0, vscaled1, vscaled2, vscaled3, + vout0, vout1, vout2, vout3, + vgain; + + ASSERT_ALIGNED16(aInput); + ASSERT_ALIGNED16(aOutput); + ASSERT_MULTIPLE16(aSize); + + vgain = _mm_load1_ps(&aScale); + + for (unsigned i = 0; i < aSize; i+=16) { + vin0 = _mm_load_ps(&aInput[i]); + vin1 = _mm_load_ps(&aInput[i + 4]); + vin2 = _mm_load_ps(&aInput[i + 8]); + vin3 = _mm_load_ps(&aInput[i + 12]); + + vscaled0 = _mm_mul_ps(vin0, vgain); + vscaled1 = _mm_mul_ps(vin1, vgain); + vscaled2 = _mm_mul_ps(vin2, vgain); + vscaled3 = _mm_mul_ps(vin3, vgain); + + vin0 = _mm_load_ps(&aOutput[i]); + vin1 = _mm_load_ps(&aOutput[i + 4]); + vin2 = _mm_load_ps(&aOutput[i + 8]); + vin3 = _mm_load_ps(&aOutput[i + 12]); + + vout0 = _mm_add_ps(vin0, vscaled0); + vout1 = _mm_add_ps(vin1, vscaled1); + vout2 = _mm_add_ps(vin2, vscaled2); + vout3 = _mm_add_ps(vin3, vscaled3); + + _mm_store_ps(&aOutput[i], vout0); + _mm_store_ps(&aOutput[i + 4], vout1); + _mm_store_ps(&aOutput[i + 8], vout2); + _mm_store_ps(&aOutput[i + 12], vout3); + } +} + +void +AudioBlockCopyChannelWithScale_SSE(const float* aInput, + float aScale, + float* aOutput) +{ + __m128 vin0, vin1, vin2, vin3, + vout0, vout1, vout2, vout3; + + ASSERT_ALIGNED16(aInput); + ASSERT_ALIGNED16(aOutput); + + __m128 vgain = _mm_load1_ps(&aScale); + + for (unsigned i = 0 ; i < WEBAUDIO_BLOCK_SIZE; i+=16) { + vin0 = _mm_load_ps(&aInput[i]); + vin1 = _mm_load_ps(&aInput[i + 4]); + vin2 = _mm_load_ps(&aInput[i + 8]); + vin3 = _mm_load_ps(&aInput[i + 12]); + vout0 = _mm_mul_ps(vin0, vgain); + vout1 = _mm_mul_ps(vin1, vgain); + vout2 = _mm_mul_ps(vin2, vgain); + vout3 = _mm_mul_ps(vin3, vgain); + _mm_store_ps(&aOutput[i], vout0); + _mm_store_ps(&aOutput[i + 4], vout1); + _mm_store_ps(&aOutput[i + 8], vout2); + _mm_store_ps(&aOutput[i + 12], vout3); + } +} + +void +AudioBlockCopyChannelWithScale_SSE(const float aInput[WEBAUDIO_BLOCK_SIZE], + const float aScale[WEBAUDIO_BLOCK_SIZE], + float aOutput[WEBAUDIO_BLOCK_SIZE]) +{ + __m128 vin0, vin1, vin2, vin3, + vscaled0, vscaled1, vscaled2, vscaled3, + vout0, vout1, vout2, vout3; + + ASSERT_ALIGNED16(aInput); + ASSERT_ALIGNED16(aScale); + ASSERT_ALIGNED16(aOutput); + + for (unsigned i = 0 ; i < WEBAUDIO_BLOCK_SIZE; i+=16) { + vscaled0 = _mm_load_ps(&aScale[i]); + vscaled1 = _mm_load_ps(&aScale[i+4]); + vscaled2 = _mm_load_ps(&aScale[i+8]); + vscaled3 = _mm_load_ps(&aScale[i+12]); + + vin0 = _mm_load_ps(&aInput[i]); + vin1 = _mm_load_ps(&aInput[i + 4]); + vin2 = _mm_load_ps(&aInput[i + 8]); + vin3 = _mm_load_ps(&aInput[i + 12]); + + vout0 = _mm_mul_ps(vin0, vscaled0); + vout1 = _mm_mul_ps(vin1, vscaled1); + vout2 = _mm_mul_ps(vin2, vscaled2); + vout3 = _mm_mul_ps(vin3, vscaled3); + + _mm_store_ps(&aOutput[i], vout0); + _mm_store_ps(&aOutput[i + 4], vout1); + _mm_store_ps(&aOutput[i + 8], vout2); + _mm_store_ps(&aOutput[i + 12], vout3); + } +} + +void +AudioBufferInPlaceScale_SSE(float* aBlock, + float aScale, + uint32_t aSize) +{ + __m128 vout0, vout1, vout2, vout3, + vin0, vin1, vin2, vin3; + + ASSERT_ALIGNED16(aBlock); + ASSERT_MULTIPLE16(aSize); + + __m128 vgain = _mm_load1_ps(&aScale); + + for (unsigned i = 0; i < aSize; i+=16) { + vin0 = _mm_load_ps(&aBlock[i]); + vin1 = _mm_load_ps(&aBlock[i + 4]); + vin2 = _mm_load_ps(&aBlock[i + 8]); + vin3 = _mm_load_ps(&aBlock[i + 12]); + vout0 = _mm_mul_ps(vin0, vgain); + vout1 = _mm_mul_ps(vin1, vgain); + vout2 = _mm_mul_ps(vin2, vgain); + vout3 = _mm_mul_ps(vin3, vgain); + _mm_store_ps(&aBlock[i], vout0); + _mm_store_ps(&aBlock[i + 4], vout1); + _mm_store_ps(&aBlock[i + 8], vout2); + _mm_store_ps(&aBlock[i + 12], vout3); + } +} + +void +AudioBlockPanStereoToStereo_SSE(const float aInputL[WEBAUDIO_BLOCK_SIZE], + const float aInputR[WEBAUDIO_BLOCK_SIZE], + float aGainL, float aGainR, bool aIsOnTheLeft, + float aOutputL[WEBAUDIO_BLOCK_SIZE], + float aOutputR[WEBAUDIO_BLOCK_SIZE]) +{ + __m128 vinl0, vinr0, vinl1, vinr1, + vout0, vout1, + vscaled0, vscaled1, + vgainl, vgainr; + + ASSERT_ALIGNED16(aInputL); + ASSERT_ALIGNED16(aInputR); + ASSERT_ALIGNED16(aOutputL); + ASSERT_ALIGNED16(aOutputR); + + vgainl = _mm_load1_ps(&aGainL); + vgainr = _mm_load1_ps(&aGainR); + + if (aIsOnTheLeft) { + for (unsigned i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) { + vinl0 = _mm_load_ps(&aInputL[i]); + vinr0 = _mm_load_ps(&aInputR[i]); + vinl1 = _mm_load_ps(&aInputL[i+4]); + vinr1 = _mm_load_ps(&aInputR[i+4]); + + /* left channel : aOutputL = aInputL + aInputR * gainL */ + vscaled0 = _mm_mul_ps(vinr0, vgainl); + vscaled1 = _mm_mul_ps(vinr1, vgainl); + vout0 = _mm_add_ps(vscaled0, vinl0); + vout1 = _mm_add_ps(vscaled1, vinl1); + _mm_store_ps(&aOutputL[i], vout0); + _mm_store_ps(&aOutputL[i+4], vout1); + + /* right channel : aOutputR = aInputR * gainR */ + vscaled0 = _mm_mul_ps(vinr0, vgainr); + vscaled1 = _mm_mul_ps(vinr1, vgainr); + _mm_store_ps(&aOutputR[i], vscaled0); + _mm_store_ps(&aOutputR[i+4], vscaled1); + } + } else { + for (unsigned i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) { + vinl0 = _mm_load_ps(&aInputL[i]); + vinr0 = _mm_load_ps(&aInputR[i]); + vinl1 = _mm_load_ps(&aInputL[i+4]); + vinr1 = _mm_load_ps(&aInputR[i+4]); + + /* left channel : aInputL * gainL */ + vscaled0 = _mm_mul_ps(vinl0, vgainl); + vscaled1 = _mm_mul_ps(vinl1, vgainl); + _mm_store_ps(&aOutputL[i], vscaled0); + _mm_store_ps(&aOutputL[i+4], vscaled1); + + /* right channel: aOutputR = aInputR + aInputL * gainR */ + vscaled0 = _mm_mul_ps(vinl0, vgainr); + vscaled1 = _mm_mul_ps(vinl1, vgainr); + vout0 = _mm_add_ps(vscaled0, vinr0); + vout1 = _mm_add_ps(vscaled1, vinr1); + _mm_store_ps(&aOutputR[i], vout0); + _mm_store_ps(&aOutputR[i+4], vout1); + } + } +} + +void BufferComplexMultiply_SSE(const float* aInput, + const float* aScale, + float* aOutput, + uint32_t aSize) +{ + unsigned i; + __m128 in0, in1, in2, in3, + outreal0, outreal1, outreal2, outreal3, + outimag0, outimag1, outimag2, outimag3; + + ASSERT_ALIGNED16(aInput); + ASSERT_ALIGNED16(aScale); + ASSERT_ALIGNED16(aOutput); + ASSERT_MULTIPLE16(aSize); + + for (i = 0; i < aSize * 2; i += 16) { + in0 = _mm_load_ps(&aInput[i]); + in1 = _mm_load_ps(&aInput[i + 4]); + in2 = _mm_load_ps(&aInput[i + 8]); + in3 = _mm_load_ps(&aInput[i + 12]); + + outreal0 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(2, 0, 2, 0)); + outimag0 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(3, 1, 3, 1)); + outreal2 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(2, 0, 2, 0)); + outimag2 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(3, 1, 3, 1)); + + in0 = _mm_load_ps(&aScale[i]); + in1 = _mm_load_ps(&aScale[i + 4]); + in2 = _mm_load_ps(&aScale[i + 8]); + in3 = _mm_load_ps(&aScale[i + 12]); + + outreal1 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(2, 0, 2, 0)); + outimag1 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(3, 1, 3, 1)); + outreal3 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(2, 0, 2, 0)); + outimag3 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(3, 1, 3, 1)); + + in0 = _mm_sub_ps(_mm_mul_ps(outreal0, outreal1), + _mm_mul_ps(outimag0, outimag1)); + in1 = _mm_add_ps(_mm_mul_ps(outreal0, outimag1), + _mm_mul_ps(outimag0, outreal1)); + in2 = _mm_sub_ps(_mm_mul_ps(outreal2, outreal3), + _mm_mul_ps(outimag2, outimag3)); + in3 = _mm_add_ps(_mm_mul_ps(outreal2, outimag3), + _mm_mul_ps(outimag2, outreal3)); + + outreal0 = _mm_unpacklo_ps(in0, in1); + outreal1 = _mm_unpackhi_ps(in0, in1); + outreal2 = _mm_unpacklo_ps(in2, in3); + outreal3 = _mm_unpackhi_ps(in2, in3); + + _mm_store_ps(&aOutput[i], outreal0); + _mm_store_ps(&aOutput[i + 4], outreal1); + _mm_store_ps(&aOutput[i + 8], outreal2); + _mm_store_ps(&aOutput[i + 12], outreal3); + } +} + +float +AudioBufferSumOfSquares_SSE(const float* aInput, uint32_t aLength) +{ + unsigned i; + __m128 in0, in1, in2, in3, + acc0, acc1, acc2, acc3; + float out[4]; + + ASSERT_ALIGNED16(aInput); + ASSERT_MULTIPLE16(aLength); + + acc0 = _mm_setzero_ps(); + acc1 = _mm_setzero_ps(); + acc2 = _mm_setzero_ps(); + acc3 = _mm_setzero_ps(); + + for (i = 0; i < aLength; i+=16) { + in0 = _mm_load_ps(&aInput[i]); + in1 = _mm_load_ps(&aInput[i + 4]); + in2 = _mm_load_ps(&aInput[i + 8]); + in3 = _mm_load_ps(&aInput[i + 12]); + + in0 = _mm_mul_ps(in0, in0); + in1 = _mm_mul_ps(in1, in1); + in2 = _mm_mul_ps(in2, in2); + in3 = _mm_mul_ps(in3, in3); + + acc0 = _mm_add_ps(acc0, in0); + acc1 = _mm_add_ps(acc1, in1); + acc2 = _mm_add_ps(acc2, in2); + acc3 = _mm_add_ps(acc3, in3); + } + + acc0 = _mm_add_ps(acc0, acc1); + acc0 = _mm_add_ps(acc0, acc2); + acc0 = _mm_add_ps(acc0, acc3); + + _mm_store_ps(out, acc0); + + return out[0] + out[1] + out[2] + out[3]; +} + +} |