diff options
Diffstat (limited to 'Ryujinx.HLE/HOS')
| -rw-r--r-- | Ryujinx.HLE/HOS/Services/Aud/AudioRenderer/IAudioRenderer.cs | 56 |
1 files changed, 47 insertions, 9 deletions
diff --git a/Ryujinx.HLE/HOS/Services/Aud/AudioRenderer/IAudioRenderer.cs b/Ryujinx.HLE/HOS/Services/Aud/AudioRenderer/IAudioRenderer.cs index aae45081..50a87893 100644 --- a/Ryujinx.HLE/HOS/Services/Aud/AudioRenderer/IAudioRenderer.cs +++ b/Ryujinx.HLE/HOS/Services/Aud/AudioRenderer/IAudioRenderer.cs @@ -8,6 +8,8 @@ using Ryujinx.HLE.Utilities; using System; using System.Collections.Generic; using System.Runtime.InteropServices; +using System.Runtime.Intrinsics; +using System.Runtime.Intrinsics.X86; namespace Ryujinx.HLE.HOS.Services.Aud.AudioRenderer { @@ -303,7 +305,7 @@ namespace Ryujinx.HLE.HOS.Services.Aud.AudioRenderer } } - private void AppendMixedBuffer(long Tag) + private unsafe void AppendMixedBuffer(long Tag) { int[] MixBuffer = new int[MixBufferSamplesCount * AudioConsts.HostChannelsCount]; @@ -314,9 +316,9 @@ namespace Ryujinx.HLE.HOS.Services.Aud.AudioRenderer continue; } - int OutOffset = 0; - - int PendingSamples = MixBufferSamplesCount; + int OutOffset = 0; + int PendingSamples = MixBufferSamplesCount; + float Volume = Voice.Volume; while (PendingSamples > 0) { @@ -331,9 +333,7 @@ namespace Ryujinx.HLE.HOS.Services.Aud.AudioRenderer for (int Offset = 0; Offset < Samples.Length; Offset++) { - int Sample = (int)(Samples[Offset] * Voice.Volume); - - MixBuffer[OutOffset++] += Sample; + MixBuffer[OutOffset++] += (int)(Samples[Offset] * Voice.Volume); } } } @@ -341,11 +341,49 @@ namespace Ryujinx.HLE.HOS.Services.Aud.AudioRenderer AudioOut.AppendBuffer(Track, Tag, GetFinalBuffer(MixBuffer)); } - private static short[] GetFinalBuffer(int[] Buffer) + private unsafe static short[] GetFinalBuffer(int[] Buffer) { short[] Output = new short[Buffer.Length]; - for (int Offset = 0; Offset < Buffer.Length; Offset++) + int Offset = 0; + + // Perform Saturation using SSE2 if supported + if (Sse2.IsSupported) + { + fixed (int* inptr = Buffer) + fixed (short* outptr = Output) + { + for (; Offset + 32 <= Buffer.Length; Offset += 32) + { + // Unroll the loop a little to ensure the CPU pipeline + // is always full. + Vector128<int> block1A = Sse2.LoadVector128(inptr + Offset + 0); + Vector128<int> block1B = Sse2.LoadVector128(inptr + Offset + 4); + + Vector128<int> block2A = Sse2.LoadVector128(inptr + Offset + 8); + Vector128<int> block2B = Sse2.LoadVector128(inptr + Offset + 12); + + Vector128<int> block3A = Sse2.LoadVector128(inptr + Offset + 16); + Vector128<int> block3B = Sse2.LoadVector128(inptr + Offset + 20); + + Vector128<int> block4A = Sse2.LoadVector128(inptr + Offset + 24); + Vector128<int> block4B = Sse2.LoadVector128(inptr + Offset + 28); + + Vector128<short> output1 = Sse2.PackSignedSaturate(block1A, block1B); + Vector128<short> output2 = Sse2.PackSignedSaturate(block2A, block2B); + Vector128<short> output3 = Sse2.PackSignedSaturate(block3A, block3B); + Vector128<short> output4 = Sse2.PackSignedSaturate(block4A, block4B); + + Sse2.Store(outptr + Offset + 0, output1); + Sse2.Store(outptr + Offset + 8, output2); + Sse2.Store(outptr + Offset + 16, output3); + Sse2.Store(outptr + Offset + 24, output4); + } + } + } + + // Process left overs + for (; Offset < Buffer.Length; Offset++) { Output[Offset] = DspUtils.Saturate(Buffer[Offset]); } |