mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-18 21:05:54 +01:00
254 lines
10 KiB
C#
254 lines
10 KiB
C#
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using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.Gpu.Memory;
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using Ryujinx.Graphics.Texture;
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using Ryujinx.Graphics.Vic.Types;
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.Intrinsics;
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using System.Runtime.Intrinsics.X86;
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using static Ryujinx.Graphics.Vic.Image.SurfaceCommon;
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namespace Ryujinx.Graphics.Vic.Image
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{
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static class SurfaceReader
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{
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public static Surface Read(ResourceManager rm, ref SlotSurfaceConfig config, ref PlaneOffsets offsets)
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{
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switch (config.SlotPixelFormat)
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{
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case PixelFormat.Y8___V8U8_N420: return ReadNv12(rm, ref config, ref offsets);
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}
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Logger.PrintError(LogClass.Vic, $"Unsupported pixel format \"{config.SlotPixelFormat}\".");
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int lw = config.SlotLumaWidth + 1;
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int lh = config.SlotLumaHeight + 1;
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return new Surface(rm.SurfacePool, lw, lh);
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}
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private unsafe static Surface ReadNv12(ResourceManager rm, ref SlotSurfaceConfig config, ref PlaneOffsets offsets)
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{
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InputSurface input = ReadSurface(rm.Gmm, ref config, ref offsets, 1, 2);
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int width = input.Width;
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int height = input.Height;
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int yStride = GetPitch(width, 1);
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int uvStride = GetPitch(input.UvWidth, 2);
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Surface output = new Surface(rm.SurfacePool, width, height);
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if (Sse41.IsSupported)
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{
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Vector128<byte> shufMask = Vector128.Create(
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(byte)0, (byte)2, (byte)3, (byte)1,
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(byte)4, (byte)6, (byte)7, (byte)5,
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(byte)8, (byte)10, (byte)11, (byte)9,
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(byte)12, (byte)14, (byte)15, (byte)13);
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Vector128<short> alphaMask = Vector128.Create(0xffUL << 48).AsInt16();
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int yStrideGap = yStride - width;
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int uvStrideGap = uvStride - input.UvWidth;
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int widthTrunc = width & ~0xf;
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fixed (Pixel* dstPtr = output.Data)
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{
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Pixel* op = dstPtr;
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fixed (byte* src0Ptr = input.Buffer0, src1Ptr = input.Buffer1)
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{
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byte* i0p = src0Ptr;
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for (int y = 0; y < height; y++)
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{
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byte* i1p = src1Ptr + (y >> 1) * uvStride;
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int x = 0;
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for (; x < widthTrunc; x += 16, i0p += 16, i1p += 16)
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{
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Vector128<short> ya0 = Sse41.ConvertToVector128Int16(i0p);
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Vector128<short> ya1 = Sse41.ConvertToVector128Int16(i0p + 8);
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Vector128<byte> uv = Sse2.LoadVector128(i1p);
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Vector128<short> uv0 = Sse2.UnpackLow(uv.AsInt16(), uv.AsInt16());
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Vector128<short> uv1 = Sse2.UnpackHigh(uv.AsInt16(), uv.AsInt16());
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Vector128<short> rgba0 = Sse2.UnpackLow(ya0, uv0);
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Vector128<short> rgba1 = Sse2.UnpackHigh(ya0, uv0);
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Vector128<short> rgba2 = Sse2.UnpackLow(ya1, uv1);
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Vector128<short> rgba3 = Sse2.UnpackHigh(ya1, uv1);
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rgba0 = Ssse3.Shuffle(rgba0.AsByte(), shufMask).AsInt16();
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rgba1 = Ssse3.Shuffle(rgba1.AsByte(), shufMask).AsInt16();
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rgba2 = Ssse3.Shuffle(rgba2.AsByte(), shufMask).AsInt16();
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rgba3 = Ssse3.Shuffle(rgba3.AsByte(), shufMask).AsInt16();
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Vector128<short> rgba16_0 = Sse41.ConvertToVector128Int16(rgba0.AsByte());
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Vector128<short> rgba16_1 = Sse41.ConvertToVector128Int16(HighToLow(rgba0.AsByte()));
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Vector128<short> rgba16_2 = Sse41.ConvertToVector128Int16(rgba1.AsByte());
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Vector128<short> rgba16_3 = Sse41.ConvertToVector128Int16(HighToLow(rgba1.AsByte()));
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Vector128<short> rgba16_4 = Sse41.ConvertToVector128Int16(rgba2.AsByte());
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Vector128<short> rgba16_5 = Sse41.ConvertToVector128Int16(HighToLow(rgba2.AsByte()));
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Vector128<short> rgba16_6 = Sse41.ConvertToVector128Int16(rgba3.AsByte());
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Vector128<short> rgba16_7 = Sse41.ConvertToVector128Int16(HighToLow(rgba3.AsByte()));
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rgba16_0 = Sse2.Or(rgba16_0, alphaMask);
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rgba16_1 = Sse2.Or(rgba16_1, alphaMask);
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rgba16_2 = Sse2.Or(rgba16_2, alphaMask);
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rgba16_3 = Sse2.Or(rgba16_3, alphaMask);
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rgba16_4 = Sse2.Or(rgba16_4, alphaMask);
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rgba16_5 = Sse2.Or(rgba16_5, alphaMask);
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rgba16_6 = Sse2.Or(rgba16_6, alphaMask);
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rgba16_7 = Sse2.Or(rgba16_7, alphaMask);
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rgba16_0 = Sse2.ShiftLeftLogical(rgba16_0, 2);
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rgba16_1 = Sse2.ShiftLeftLogical(rgba16_1, 2);
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rgba16_2 = Sse2.ShiftLeftLogical(rgba16_2, 2);
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rgba16_3 = Sse2.ShiftLeftLogical(rgba16_3, 2);
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rgba16_4 = Sse2.ShiftLeftLogical(rgba16_4, 2);
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rgba16_5 = Sse2.ShiftLeftLogical(rgba16_5, 2);
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rgba16_6 = Sse2.ShiftLeftLogical(rgba16_6, 2);
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rgba16_7 = Sse2.ShiftLeftLogical(rgba16_7, 2);
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Sse2.Store((short*)(op + (uint)x + 0), rgba16_0);
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Sse2.Store((short*)(op + (uint)x + 2), rgba16_1);
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Sse2.Store((short*)(op + (uint)x + 4), rgba16_2);
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Sse2.Store((short*)(op + (uint)x + 6), rgba16_3);
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Sse2.Store((short*)(op + (uint)x + 8), rgba16_4);
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Sse2.Store((short*)(op + (uint)x + 10), rgba16_5);
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Sse2.Store((short*)(op + (uint)x + 12), rgba16_6);
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Sse2.Store((short*)(op + (uint)x + 14), rgba16_7);
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}
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for (; x < width; x++, i1p += (x & 1) * 2)
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{
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Pixel* px = op + (uint)x;
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px->R = Upsample(*i0p++);
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px->G = Upsample(*i1p);
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px->B = Upsample(*(i1p + 1));
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px->A = 0x3ff;
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}
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op += width;
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i0p += yStrideGap;
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i1p += uvStrideGap;
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}
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}
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}
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}
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else
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{
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for (int y = 0; y < height; y++)
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{
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int uvBase = (y >> 1) * uvStride;
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for (int x = 0; x < width; x++)
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{
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output.SetR(x, y, Upsample(input.Buffer0[y * yStride + x]));
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int uvOffs = uvBase + (x & ~1);
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output.SetG(x, y, Upsample(input.Buffer1[uvOffs]));
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output.SetB(x, y, Upsample(input.Buffer1[uvOffs + 1]));
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output.SetA(x, y, 0x3ff);
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}
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}
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}
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return output;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private static Vector128<byte> HighToLow(Vector128<byte> value)
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{
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return Sse.MoveHighToLow(value.AsSingle(), value.AsSingle()).AsByte();
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}
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private static InputSurface ReadSurface(
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MemoryManager gmm,
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ref SlotSurfaceConfig config,
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ref PlaneOffsets offsets,
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int bytesPerPixel,
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int planes)
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{
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InputSurface surface = new InputSurface();
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int gobBlocksInY = 1 << config.SlotBlkHeight;
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bool linear = config.SlotBlkKind == 0;
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int lw = config.SlotLumaWidth + 1;
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int lh = config.SlotLumaHeight + 1;
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int cw = config.SlotChromaWidth + 1;
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int ch = config.SlotChromaHeight + 1;
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surface.Width = lw;
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surface.Height = lh;
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surface.UvWidth = cw;
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surface.UvHeight = ch;
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if (planes > 0)
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{
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surface.Buffer0 = ReadBuffer(gmm, offsets.LumaOffset, linear, lw, lh, bytesPerPixel, gobBlocksInY);
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}
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if (planes > 1)
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{
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surface.Buffer1 = ReadBuffer(gmm, offsets.ChromaUOffset, linear, cw, ch, planes == 2 ? 2 : 1, gobBlocksInY);
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}
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if (planes > 2)
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{
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surface.Buffer2 = ReadBuffer(gmm, offsets.ChromaVOffset, linear, cw, ch, 1, gobBlocksInY);
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}
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return surface;
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}
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private static ReadOnlySpan<byte> ReadBuffer(
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MemoryManager gmm,
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uint offset,
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bool linear,
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int width,
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int height,
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int bytesPerPixel,
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int gobBlocksInY)
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{
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int stride = GetPitch(width, bytesPerPixel);
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if (linear)
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{
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return gmm.GetSpan(ExtendOffset(offset), stride * height);
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}
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return ReadBuffer(gmm, offset, width, height, stride, bytesPerPixel, gobBlocksInY);
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}
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private static ReadOnlySpan<byte> ReadBuffer(
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MemoryManager gmm,
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uint offset,
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int width,
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int height,
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int dstStride,
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int bytesPerPixel,
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int gobBlocksInY)
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{
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int inSize = GetBlockLinearSize(width, height, bytesPerPixel, gobBlocksInY);
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ReadOnlySpan<byte> src = gmm.GetSpan(ExtendOffset(offset), inSize);
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Span<byte> dst = new byte[dstStride * height];
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LayoutConverter.ConvertBlockLinearToLinear(dst, width, height, dstStride, bytesPerPixel, gobBlocksInY, src);
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return dst;
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}
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}
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}
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