Evan Husted b1de7696ee misc: chore: VP9 project cleanup
Target-typed new, remove var usage, use collection expressions, rename many fields & properties to match C# standard
2025-02-18 21:33:07 -06:00

635 lines
24 KiB
C#

using Ryujinx.Graphics.Nvdec.Vp9.Common;
using Ryujinx.Graphics.Nvdec.Vp9.Types;
using System;
using static Ryujinx.Graphics.Nvdec.Vp9.Dsp.IntraPred;
namespace Ryujinx.Graphics.Nvdec.Vp9
{
internal static class ReconIntra
{
public static readonly TxType[] IntraModeToTxTypeLookup =
[
TxType.DctDct, // DC
TxType.AdstDct, // V
TxType.DctAdst, // H
TxType.DctDct, // D45
TxType.AdstAdst, // D135
TxType.AdstDct, // D117
TxType.DctAdst, // D153
TxType.DctAdst, // D207
TxType.AdstDct, // D63
TxType.AdstAdst // TM
];
private const int NeedLeft = 1 << 1;
private const int NeedAbove = 1 << 2;
private const int NeedAboveRight = 1 << 3;
private static ReadOnlySpan<byte> ExtendModes =>
[
NeedAbove | NeedLeft, // DC
NeedAbove, // V
NeedLeft, // H
NeedAboveRight, // D45
NeedLeft | NeedAbove, // D135
NeedLeft | NeedAbove, // D117
NeedLeft | NeedAbove, // D153
NeedLeft, // D207
NeedAboveRight, // D63
NeedLeft | NeedAbove // TM
];
private unsafe delegate void IntraPredFn(byte* dst, int stride, byte* above, byte* left);
private static readonly unsafe IntraPredFn[][] _pred =
[
[null, null, null, null],
[VPredictor4X4, VPredictor8X8, VPredictor16X16, VPredictor32X32],
[HPredictor4X4, HPredictor8X8, HPredictor16X16, HPredictor32X32],
[D45Predictor4X4, D45Predictor8X8, D45Predictor16X16, D45Predictor32X32],
[D135Predictor4X4, D135Predictor8X8, D135Predictor16X16, D135Predictor32X32],
[D117Predictor4X4, D117Predictor8X8, D117Predictor16X16, D117Predictor32X32],
[D153Predictor4X4, D153Predictor8X8, D153Predictor16X16, D153Predictor32X32],
[D207Predictor4X4, D207Predictor8X8, D207Predictor16X16, D207Predictor32X32],
[D63Predictor4X4, D63Predictor8X8, D63Predictor16X16, D63Predictor32X32],
[TmPredictor4X4, TmPredictor8X8, TmPredictor16X16, TmPredictor32X32]
];
private static readonly unsafe IntraPredFn[][][] _dcPred =
[
[
[
Dc128Predictor4X4, Dc128Predictor8X8, Dc128Predictor16X16, Dc128Predictor32X32
],
[
DcTopPredictor4X4, DcTopPredictor8X8, DcTopPredictor16X16, DcTopPredictor32X32
]
],
[
[
DcLeftPredictor4X4, DcLeftPredictor8X8, DcLeftPredictor16X16, DcLeftPredictor32X32
],
[DcPredictor4X4, DcPredictor8X8, DcPredictor16X16, DcPredictor32X32]
]
];
private unsafe delegate void IntraHighPredFn(ushort* dst, int stride, ushort* above, ushort* left, int bd);
private static readonly unsafe IntraHighPredFn[][] _predHigh =
[
[null, null, null, null],
[
HighbdVPredictor4X4, HighbdVPredictor8X8, HighbdVPredictor16X16, HighbdVPredictor32X32
],
[
HighbdHPredictor4X4, HighbdHPredictor8X8, HighbdHPredictor16X16, HighbdHPredictor32X32
],
[
HighbdD45Predictor4X4, HighbdD45Predictor8X8, HighbdD45Predictor16X16, HighbdD45Predictor32X32
],
[
HighbdD135Predictor4X4, HighbdD135Predictor8X8, HighbdD135Predictor16X16,
HighbdD135Predictor32X32
],
[
HighbdD117Predictor4X4, HighbdD117Predictor8X8, HighbdD117Predictor16X16,
HighbdD117Predictor32X32
],
[
HighbdD153Predictor4X4, HighbdD153Predictor8X8, HighbdD153Predictor16X16,
HighbdD153Predictor32X32
],
[
HighbdD207Predictor4X4, HighbdD207Predictor8X8, HighbdD207Predictor16X16,
HighbdD207Predictor32X32
],
[
HighbdD63Predictor4X4, HighbdD63Predictor8X8, HighbdD63Predictor16X16, HighbdD63Predictor32X32
],
[
HighbdTmPredictor4X4, HighbdTmPredictor8X8, HighbdTmPredictor16X16, HighbdTmPredictor32X32
]
];
private static readonly unsafe IntraHighPredFn[][][] _dcPredHigh =
[
[
[
HighbdDc128Predictor4X4, HighbdDc128Predictor8X8, HighbdDc128Predictor16X16,
HighbdDc128Predictor32X32
],
[
HighbdDcTopPredictor4X4, HighbdDcTopPredictor8X8, HighbdDcTopPredictor16X16,
HighbdDcTopPredictor32X32
]
],
[
[
HighbdDcLeftPredictor4X4, HighbdDcLeftPredictor8X8, HighbdDcLeftPredictor16X16,
HighbdDcLeftPredictor32X32
],
[
HighbdDcPredictor4X4, HighbdDcPredictor8X8, HighbdDcPredictor16X16,
HighbdDcPredictor32X32
]
]
];
private static unsafe void BuildIntraPredictorsHigh(
ref MacroBlockD xd,
byte* ref8,
int refStride,
byte* dst8,
int dstStride,
PredictionMode mode,
TxSize txSize,
int upAvailable,
int leftAvailable,
int rightAvailable,
int x,
int y,
int plane)
{
int i;
ushort* dst = (ushort*)dst8;
ushort* refr = (ushort*)ref8;
ushort* leftCol = stackalloc ushort[32];
ushort* aboveData = stackalloc ushort[64 + 16];
ushort* aboveRow = aboveData + 16;
ushort* constAboveRow = aboveRow;
int bs = 4 << (int)txSize;
int frameWidth, frameHeight;
int x0, y0;
ref MacroBlockDPlane pd = ref xd.Plane[plane];
int needLeft = ExtendModes[(int)mode] & NeedLeft;
int needAbove = ExtendModes[(int)mode] & NeedAbove;
int needAboveRight = ExtendModes[(int)mode] & NeedAboveRight;
int baseVal = 128 << (xd.Bd - 8);
// 127 127 127 .. 127 127 127 127 127 127
// 129 A B .. Y Z
// 129 C D .. W X
// 129 E F .. U V
// 129 G H .. S T T T T T
// For 10 bit and 12 bit, 127 and 129 are replaced by base -1 and base + 1.
// Get current frame pointer, width and height.
if (plane == 0)
{
frameWidth = xd.CurBuf.Width;
frameHeight = xd.CurBuf.Height;
}
else
{
frameWidth = xd.CurBuf.UvWidth;
frameHeight = xd.CurBuf.UvHeight;
}
// Get block position in current frame.
x0 = (-xd.MbToLeftEdge >> (3 + pd.SubsamplingX)) + x;
y0 = (-xd.MbToTopEdge >> (3 + pd.SubsamplingY)) + y;
// NEED_LEFT
if (needLeft != 0)
{
if (leftAvailable != 0)
{
if (xd.MbToBottomEdge < 0)
{
/* slower path if the block needs border extension */
if (y0 + bs <= frameHeight)
{
for (i = 0; i < bs; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
}
else
{
int extendBottom = frameHeight - y0;
for (i = 0; i < extendBottom; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
for (; i < bs; ++i)
{
leftCol[i] = refr[((extendBottom - 1) * refStride) - 1];
}
}
}
else
{
/* faster path if the block does not need extension */
for (i = 0; i < bs; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
}
}
else
{
MemoryUtil.Fill(leftCol, (ushort)(baseVal + 1), bs);
}
}
// NEED_ABOVE
if (needAbove != 0)
{
if (upAvailable != 0)
{
ushort* aboveRef = refr - refStride;
if (xd.MbToRightEdge < 0)
{
/* slower path if the block needs border extension */
if (x0 + bs <= frameWidth)
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
}
else if (x0 <= frameWidth)
{
int r = frameWidth - x0;
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + bs - frameWidth);
}
}
else
{
/* faster path if the block does not need extension */
if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
{
constAboveRow = aboveRef;
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
}
}
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
}
else
{
MemoryUtil.Fill(aboveRow, (ushort)(baseVal - 1), bs);
aboveRow[-1] = (ushort)(baseVal - 1);
}
}
// NEED_ABOVERIGHT
if (needAboveRight != 0)
{
if (upAvailable != 0)
{
ushort* aboveRef = refr - refStride;
if (xd.MbToRightEdge < 0)
{
/* slower path if the block needs border extension */
if (x0 + (2 * bs) <= frameWidth)
{
if (rightAvailable != 0 && bs == 4)
{
MemoryUtil.Copy(aboveRow, aboveRef, 2 * bs);
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
}
else if (x0 + bs <= frameWidth)
{
int r = frameWidth - x0;
if (rightAvailable != 0 && bs == 4)
{
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
}
else if (x0 <= frameWidth)
{
int r = frameWidth - x0;
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
}
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
}
else
{
/* faster path if the block does not need extension */
if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
{
constAboveRow = aboveRef;
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
if (bs == 4 && rightAvailable != 0)
{
MemoryUtil.Copy(aboveRow + bs, aboveRef + bs, bs);
}
else
{
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
}
}
}
else
{
MemoryUtil.Fill(aboveRow, (ushort)(baseVal - 1), bs * 2);
aboveRow[-1] = (ushort)(baseVal - 1);
}
}
// Predict
if (mode == PredictionMode.DcPred)
{
_dcPredHigh[leftAvailable][upAvailable][(int)txSize](dst, dstStride, constAboveRow, leftCol, xd.Bd);
}
else
{
_predHigh[(int)mode][(int)txSize](dst, dstStride, constAboveRow, leftCol, xd.Bd);
}
}
public static unsafe void BuildIntraPredictors(
ref MacroBlockD xd,
byte* refr,
int refStride,
byte* dst,
int dstStride,
PredictionMode mode,
TxSize txSize,
int upAvailable,
int leftAvailable,
int rightAvailable,
int x,
int y,
int plane)
{
int i;
byte* leftCol = stackalloc byte[32];
byte* aboveData = stackalloc byte[64 + 16];
byte* aboveRow = aboveData + 16;
byte* constAboveRow = aboveRow;
int bs = 4 << (int)txSize;
int frameWidth, frameHeight;
int x0, y0;
ref MacroBlockDPlane pd = ref xd.Plane[plane];
// 127 127 127 .. 127 127 127 127 127 127
// 129 A B .. Y Z
// 129 C D .. W X
// 129 E F .. U V
// 129 G H .. S T T T T T
// ..
// Get current frame pointer, width and height.
if (plane == 0)
{
frameWidth = xd.CurBuf.Width;
frameHeight = xd.CurBuf.Height;
}
else
{
frameWidth = xd.CurBuf.UvWidth;
frameHeight = xd.CurBuf.UvHeight;
}
// Get block position in current frame.
x0 = (-xd.MbToLeftEdge >> (3 + pd.SubsamplingX)) + x;
y0 = (-xd.MbToTopEdge >> (3 + pd.SubsamplingY)) + y;
// NEED_LEFT
if ((ExtendModes[(int)mode] & NeedLeft) != 0)
{
if (leftAvailable != 0)
{
if (xd.MbToBottomEdge < 0)
{
/* Slower path if the block needs border extension */
if (y0 + bs <= frameHeight)
{
for (i = 0; i < bs; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
}
else
{
int extendBottom = frameHeight - y0;
for (i = 0; i < extendBottom; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
for (; i < bs; ++i)
{
leftCol[i] = refr[((extendBottom - 1) * refStride) - 1];
}
}
}
else
{
/* Faster path if the block does not need extension */
for (i = 0; i < bs; ++i)
{
leftCol[i] = refr[(i * refStride) - 1];
}
}
}
else
{
MemoryUtil.Fill(leftCol, (byte)129, bs);
}
}
// NEED_ABOVE
if ((ExtendModes[(int)mode] & NeedAbove) != 0)
{
if (upAvailable != 0)
{
byte* aboveRef = refr - refStride;
if (xd.MbToRightEdge < 0)
{
/* Slower path if the block needs border extension */
if (x0 + bs <= frameWidth)
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
}
else if (x0 <= frameWidth)
{
int r = frameWidth - x0;
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + bs - frameWidth);
}
}
else
{
/* Faster path if the block does not need extension */
if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
{
constAboveRow = aboveRef;
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
}
}
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (byte)129;
}
else
{
MemoryUtil.Fill(aboveRow, (byte)127, bs);
aboveRow[-1] = 127;
}
}
// NEED_ABOVERIGHT
if ((ExtendModes[(int)mode] & NeedAboveRight) != 0)
{
if (upAvailable != 0)
{
byte* aboveRef = refr - refStride;
if (xd.MbToRightEdge < 0)
{
/* Slower path if the block needs border extension */
if (x0 + (2 * bs) <= frameWidth)
{
if (rightAvailable != 0 && bs == 4)
{
MemoryUtil.Copy(aboveRow, aboveRef, 2 * bs);
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
}
else if (x0 + bs <= frameWidth)
{
int r = frameWidth - x0;
if (rightAvailable != 0 && bs == 4)
{
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
}
else if (x0 <= frameWidth)
{
int r = frameWidth - x0;
MemoryUtil.Copy(aboveRow, aboveRef, r);
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
}
}
else
{
/* Faster path if the block does not need extension */
if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
{
constAboveRow = aboveRef;
}
else
{
MemoryUtil.Copy(aboveRow, aboveRef, bs);
if (bs == 4 && rightAvailable != 0)
{
MemoryUtil.Copy(aboveRow + bs, aboveRef + bs, bs);
}
else
{
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
}
}
}
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (byte)129;
}
else
{
MemoryUtil.Fill(aboveRow, (byte)127, bs * 2);
aboveRow[-1] = 127;
}
}
// Predict
if (mode == PredictionMode.DcPred)
{
_dcPred[leftAvailable][upAvailable][(int)txSize](dst, dstStride, constAboveRow, leftCol);
}
else
{
_pred[(int)mode][(int)txSize](dst, dstStride, constAboveRow, leftCol);
}
}
public static unsafe void PredictIntraBlock(
ref MacroBlockD xd,
int bwlIn,
TxSize txSize,
PredictionMode mode,
byte* refr,
int refStride,
byte* dst,
int dstStride,
int aoff,
int loff,
int plane)
{
int bw = 1 << bwlIn;
int txw = 1 << (int)txSize;
int haveTop = loff != 0 || !xd.AboveMi.IsNull ? 1 : 0;
int haveLeft = aoff != 0 || !xd.LeftMi.IsNull ? 1 : 0;
int haveRight = aoff + txw < bw ? 1 : 0;
int x = aoff * 4;
int y = loff * 4;
if (xd.CurBuf.HighBd)
{
BuildIntraPredictorsHigh(
ref xd,
refr,
refStride,
dst,
dstStride,
mode,
txSize,
haveTop,
haveLeft,
haveRight,
x,
y,
plane);
return;
}
BuildIntraPredictors(
ref xd,
refr,
refStride,
dst,
dstStride,
mode,
txSize,
haveTop,
haveLeft,
haveRight,
x,
y,
plane);
}
}
}