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Improvements with new .NET 5 functions or bugfixes (#1714)

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* Improvements with new .NET 5 functions or bugfixes

* This no longer needs to be unsafe
This commit is contained in:
gdkchan 2020-11-18 15:28:40 -03:00 committed by GitHub
parent 7c3b559830
commit eafee34fee
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 11 additions and 41 deletions
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27
Ryujinx.Common/XXHash128.cs
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@ -66,13 +66,9 @@ namespace Ryujinx.Common
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private unsafe static Hash128 Mult64To128(ulong lhs, ulong rhs)
private static Hash128 Mult64To128(ulong lhs, ulong rhs)
{
// TODO: Use BigMul once .NET 5 lands.
if (Bmi2.X64.IsSupported)
{
ulong low;
ulong high = Bmi2.X64.MultiplyNoFlags(lhs, rhs, &low);
ulong high = Math.BigMul(lhs, rhs, out ulong low);
return new Hash128
{
Low = low,
@ -80,22 +76,6 @@ namespace Ryujinx.Common
};
}
ulong loLo = Mult32To64((uint)lhs, (uint)rhs);
ulong hiLo = Mult32To64(lhs >> 32, (uint)rhs);
ulong loHi = Mult32To64((uint)lhs, rhs >> 32);
ulong hiHi = Mult32To64(lhs >> 32, rhs >> 32);
ulong cross = (loLo >> 32) + (uint)hiLo + loHi;
ulong upper = (hiLo >> 32) + (cross >> 32) + hiHi;
ulong lower = (cross << 32) | (uint)loLo;
return new Hash128
{
Low = lower,
High = upper
};
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ulong Mul128Fold64(ulong lhs, ulong rhs)
{
@ -321,9 +301,10 @@ namespace Ryujinx.Common
return Xxh3Avalanche(result64);
}
[SkipLocalsInit]
private static Hash128 Xxh3HashLong128bInternal(ReadOnlySpan<byte> input, ReadOnlySpan<byte> secret)
{
Span<ulong> acc = stackalloc ulong[AccNb]; // TODO: Use SkipLocalsInit attribute once .NET 5 lands.
Span<ulong> acc = stackalloc ulong[AccNb];
Xxh3InitAcc.CopyTo(acc);
Xxh3HashLongInternalLoop(acc, input, secret);

3
Ryujinx.Graphics.Nvdec.Vp9/Common/BitUtils.cs
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@ -7,8 +7,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Common
{
internal static class BitUtils
{
// FIXME: Enable inlining here after AVX2 gather bug is fixed.
// [MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static byte ClipPixel(int val)
{
return (byte)((val > 255) ? 255 : (val < 0) ? 0 : val);

9
Ryujinx.Graphics.Nvdec.Vp9/DecodeFrame.cs
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@ -374,11 +374,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
} while (--bH != 0);
}
[StructLayout(LayoutKind.Sequential, Size = 80 * 2 * 80 * 2)]
struct McBufHigh
{
}
[SkipLocalsInit]
private static unsafe void ExtendAndPredict(
byte* bufPtr1,
int preBufStride,
@ -402,8 +398,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9
int xs,
int ys)
{
McBufHigh mcBufHighStruct;
ushort* mcBufHigh = (ushort*)Unsafe.AsPointer(ref mcBufHighStruct); // Avoid zero initialization.
ushort* mcBufHigh = stackalloc ushort[80 * 2 * 80 * 2];
if (xd.CurBuf.HighBd)
{
HighBuildMcBorder(bufPtr1, preBufStride, mcBufHigh, bW, x0, y0, bW, bH, frameWidth, frameHeight);

9
Ryujinx.Graphics.Nvdec.Vp9/Dsp/Convolve.cs
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@ -389,11 +389,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
ConvolveAvgVert(src, srcStride, dst, dstStride, filter, y0Q4, yStepQ4, w, h);
}
[StructLayout(LayoutKind.Sequential, Size = 64 * 135)]
struct Temp
{
}
[SkipLocalsInit]
public static unsafe void Convolve8(
byte* src,
int srcStride,
@ -422,8 +418,7 @@ namespace Ryujinx.Graphics.Nvdec.Vp9.Dsp
// When calling in frame scaling function, the smallest scaling factor is x1/4
// ==> yStepQ4 = 64. Since w and h are at most 16, the temp buffer is still
// big enough.
Temp tempStruct;
byte* temp = (byte*)Unsafe.AsPointer(ref tempStruct); // Avoid zero initialization.
byte* temp = stackalloc byte[64 * 135];
int intermediateHeight = (((h - 1) * yStepQ4 + y0Q4) >> SubpelBits) + SubpelTaps;
Debug.Assert(w <= 64);