1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Texture;
using Ryujinx.Graphics.Vic.Types;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using static Ryujinx.Graphics.Vic.Image.SurfaceCommon;
namespace Ryujinx.Graphics.Vic.Image
{
static class SurfaceReader
{
public static Surface Read(ResourceManager rm, ref SlotSurfaceConfig config, ref PlaneOffsets offsets)
{
switch (config.SlotPixelFormat)
{
case PixelFormat.Y8___V8U8_N420: return ReadNv12(rm, ref config, ref offsets);
}
Logger.Error?.Print(LogClass.Vic, $"Unsupported pixel format \"{config.SlotPixelFormat}\".");
int lw = config.SlotLumaWidth + 1;
int lh = config.SlotLumaHeight + 1;
return new Surface(rm.SurfacePool, lw, lh);
}
private unsafe static Surface ReadNv12(ResourceManager rm, ref SlotSurfaceConfig config, ref PlaneOffsets offsets)
{
InputSurface input = ReadSurface(rm.Gmm, ref config, ref offsets, 1, 2);
int width = input.Width;
int height = input.Height;
int yStride = GetPitch(width, 1);
int uvStride = GetPitch(input.UvWidth, 2);
Surface output = new Surface(rm.SurfacePool, width, height);
if (Sse41.IsSupported)
{
Vector128<byte> shufMask = Vector128.Create(
(byte)0, (byte)2, (byte)3, (byte)1,
(byte)4, (byte)6, (byte)7, (byte)5,
(byte)8, (byte)10, (byte)11, (byte)9,
(byte)12, (byte)14, (byte)15, (byte)13);
Vector128<short> alphaMask = Vector128.Create(0xffUL << 48).AsInt16();
int yStrideGap = yStride - width;
int uvStrideGap = uvStride - input.UvWidth;
int widthTrunc = width & ~0xf;
fixed (Pixel* dstPtr = output.Data)
{
Pixel* op = dstPtr;
fixed (byte* src0Ptr = input.Buffer0, src1Ptr = input.Buffer1)
{
byte* i0p = src0Ptr;
for (int y = 0; y < height; y++)
{
byte* i1p = src1Ptr + (y >> 1) * uvStride;
int x = 0;
for (; x < widthTrunc; x += 16, i0p += 16, i1p += 16)
{
Vector128<short> ya0 = Sse41.ConvertToVector128Int16(i0p);
Vector128<short> ya1 = Sse41.ConvertToVector128Int16(i0p + 8);
Vector128<byte> uv = Sse2.LoadVector128(i1p);
Vector128<short> uv0 = Sse2.UnpackLow(uv.AsInt16(), uv.AsInt16());
Vector128<short> uv1 = Sse2.UnpackHigh(uv.AsInt16(), uv.AsInt16());
Vector128<short> rgba0 = Sse2.UnpackLow(ya0, uv0);
Vector128<short> rgba1 = Sse2.UnpackHigh(ya0, uv0);
Vector128<short> rgba2 = Sse2.UnpackLow(ya1, uv1);
Vector128<short> rgba3 = Sse2.UnpackHigh(ya1, uv1);
rgba0 = Ssse3.Shuffle(rgba0.AsByte(), shufMask).AsInt16();
rgba1 = Ssse3.Shuffle(rgba1.AsByte(), shufMask).AsInt16();
rgba2 = Ssse3.Shuffle(rgba2.AsByte(), shufMask).AsInt16();
rgba3 = Ssse3.Shuffle(rgba3.AsByte(), shufMask).AsInt16();
Vector128<short> rgba16_0 = Sse41.ConvertToVector128Int16(rgba0.AsByte());
Vector128<short> rgba16_1 = Sse41.ConvertToVector128Int16(HighToLow(rgba0.AsByte()));
Vector128<short> rgba16_2 = Sse41.ConvertToVector128Int16(rgba1.AsByte());
Vector128<short> rgba16_3 = Sse41.ConvertToVector128Int16(HighToLow(rgba1.AsByte()));
Vector128<short> rgba16_4 = Sse41.ConvertToVector128Int16(rgba2.AsByte());
Vector128<short> rgba16_5 = Sse41.ConvertToVector128Int16(HighToLow(rgba2.AsByte()));
Vector128<short> rgba16_6 = Sse41.ConvertToVector128Int16(rgba3.AsByte());
Vector128<short> rgba16_7 = Sse41.ConvertToVector128Int16(HighToLow(rgba3.AsByte()));
rgba16_0 = Sse2.Or(rgba16_0, alphaMask);
rgba16_1 = Sse2.Or(rgba16_1, alphaMask);
rgba16_2 = Sse2.Or(rgba16_2, alphaMask);
rgba16_3 = Sse2.Or(rgba16_3, alphaMask);
rgba16_4 = Sse2.Or(rgba16_4, alphaMask);
rgba16_5 = Sse2.Or(rgba16_5, alphaMask);
rgba16_6 = Sse2.Or(rgba16_6, alphaMask);
rgba16_7 = Sse2.Or(rgba16_7, alphaMask);
rgba16_0 = Sse2.ShiftLeftLogical(rgba16_0, 2);
rgba16_1 = Sse2.ShiftLeftLogical(rgba16_1, 2);
rgba16_2 = Sse2.ShiftLeftLogical(rgba16_2, 2);
rgba16_3 = Sse2.ShiftLeftLogical(rgba16_3, 2);
rgba16_4 = Sse2.ShiftLeftLogical(rgba16_4, 2);
rgba16_5 = Sse2.ShiftLeftLogical(rgba16_5, 2);
rgba16_6 = Sse2.ShiftLeftLogical(rgba16_6, 2);
rgba16_7 = Sse2.ShiftLeftLogical(rgba16_7, 2);
Sse2.Store((short*)(op + (uint)x + 0), rgba16_0);
Sse2.Store((short*)(op + (uint)x + 2), rgba16_1);
Sse2.Store((short*)(op + (uint)x + 4), rgba16_2);
Sse2.Store((short*)(op + (uint)x + 6), rgba16_3);
Sse2.Store((short*)(op + (uint)x + 8), rgba16_4);
Sse2.Store((short*)(op + (uint)x + 10), rgba16_5);
Sse2.Store((short*)(op + (uint)x + 12), rgba16_6);
Sse2.Store((short*)(op + (uint)x + 14), rgba16_7);
}
for (; x < width; x++, i1p += (x & 1) * 2)
{
Pixel* px = op + (uint)x;
px->R = Upsample(*i0p++);
px->G = Upsample(*i1p);
px->B = Upsample(*(i1p + 1));
px->A = 0x3ff;
}
op += width;
i0p += yStrideGap;
i1p += uvStrideGap;
}
}
}
}
else
{
for (int y = 0; y < height; y++)
{
int uvBase = (y >> 1) * uvStride;
for (int x = 0; x < width; x++)
{
output.SetR(x, y, Upsample(input.Buffer0[y * yStride + x]));
int uvOffs = uvBase + (x & ~1);
output.SetG(x, y, Upsample(input.Buffer1[uvOffs]));
output.SetB(x, y, Upsample(input.Buffer1[uvOffs + 1]));
output.SetA(x, y, 0x3ff);
}
}
}
return output;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static Vector128<byte> HighToLow(Vector128<byte> value)
{
return Sse.MoveHighToLow(value.AsSingle(), value.AsSingle()).AsByte();
}
private static InputSurface ReadSurface(
MemoryManager gmm,
ref SlotSurfaceConfig config,
ref PlaneOffsets offsets,
int bytesPerPixel,
int planes)
{
InputSurface surface = new InputSurface();
int gobBlocksInY = 1 << config.SlotBlkHeight;
bool linear = config.SlotBlkKind == 0;
int lw = config.SlotLumaWidth + 1;
int lh = config.SlotLumaHeight + 1;
int cw = config.SlotChromaWidth + 1;
int ch = config.SlotChromaHeight + 1;
surface.Width = lw;
surface.Height = lh;
surface.UvWidth = cw;
surface.UvHeight = ch;
if (planes > 0)
{
surface.Buffer0 = ReadBuffer(gmm, offsets.LumaOffset, linear, lw, lh, bytesPerPixel, gobBlocksInY);
}
if (planes > 1)
{
surface.Buffer1 = ReadBuffer(gmm, offsets.ChromaUOffset, linear, cw, ch, planes == 2 ? 2 : 1, gobBlocksInY);
}
if (planes > 2)
{
surface.Buffer2 = ReadBuffer(gmm, offsets.ChromaVOffset, linear, cw, ch, 1, gobBlocksInY);
}
return surface;
}
private static ReadOnlySpan<byte> ReadBuffer(
MemoryManager gmm,
uint offset,
bool linear,
int width,
int height,
int bytesPerPixel,
int gobBlocksInY)
{
int stride = GetPitch(width, bytesPerPixel);
if (linear)
{
return gmm.GetSpan(ExtendOffset(offset), stride * height);
}
return ReadBuffer(gmm, offset, width, height, stride, bytesPerPixel, gobBlocksInY);
}
private static ReadOnlySpan<byte> ReadBuffer(
MemoryManager gmm,
uint offset,
int width,
int height,
int dstStride,
int bytesPerPixel,
int gobBlocksInY)
{
int inSize = GetBlockLinearSize(width, height, bytesPerPixel, gobBlocksInY);
ReadOnlySpan<byte> src = gmm.GetSpan(ExtendOffset(offset), inSize);
Span<byte> dst = new byte[dstStride * height];
LayoutConverter.ConvertBlockLinearToLinear(dst, width, height, dstStride, bytesPerPixel, gobBlocksInY, src);
return dst;
}
}
}
|
