mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-11 09:22:00 +00:00
4d02a2d2c0
* Initial NVDEC and VIC implementation * Update FFmpeg.AutoGen to 4.3.0 * Add nvdec dependencies for Windows * Unify some VP9 structures * Rename VP9 structure fields * Improvements to Video API * XML docs for Common.Memory * Remove now unused or redundant overloads from MemoryAccessor * NVDEC UV surface read/write scalar paths * Add FIXME comments about hacky things/stuff that will need to be fixed in the future * Cleaned up VP9 memory allocation * Remove some debug logs * Rename some VP9 structs * Remove unused struct * No need to compile Ryujinx.Graphics.Host1x with unsafe anymore * Name AsyncWorkQueue threads to make debugging easier * Make Vp9PictureInfo a ref struct * LayoutConverter no longer needs the depth argument (broken by rebase) * Pooling of VP9 buffers, plus fix a memory leak on VP9 * Really wish VS could rename projects properly... * Address feedback * Remove using * Catch OperationCanceledException * Add licensing informations * Add THIRDPARTY.md to release too Co-authored-by: Thog <me@thog.eu>
133 lines
5.3 KiB
C#
133 lines
5.3 KiB
C#
using Ryujinx.Common;
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using Ryujinx.Graphics.Gpu.Memory;
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using Ryujinx.Graphics.Texture;
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using Ryujinx.Graphics.Video;
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using System;
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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.Nvdec.Image.SurfaceCommon;
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namespace Ryujinx.Graphics.Nvdec.Image
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{
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static class SurfaceReader
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{
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public static void Read(MemoryManager gmm, ISurface surface, uint lumaOffset, uint chromaOffset)
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{
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int width = surface.Width;
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int height = surface.Height;
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int stride = surface.Stride;
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ReadOnlySpan<byte> luma = gmm.DeviceGetSpan(lumaOffset, GetBlockLinearSize(width, height, 1));
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ReadLuma(surface.YPlane.AsSpan(), luma, stride, width, height);
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int uvWidth = surface.UvWidth;
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int uvHeight = surface.UvHeight;
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int uvStride = surface.UvStride;
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ReadOnlySpan<byte> chroma = gmm.DeviceGetSpan(chromaOffset, GetBlockLinearSize(uvWidth, uvHeight, 2));
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ReadChroma(surface.UPlane.AsSpan(), surface.VPlane.AsSpan(), chroma, uvStride, uvWidth, uvHeight);
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}
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private static void ReadLuma(Span<byte> dst, ReadOnlySpan<byte> src, int dstStride, int width, int height)
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{
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LayoutConverter.ConvertBlockLinearToLinear(dst, width, height, dstStride, 1, 2, src);
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}
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private unsafe static void ReadChroma(
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Span<byte> dstU,
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Span<byte> dstV,
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ReadOnlySpan<byte> src,
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int dstStride,
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int width,
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int height)
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{
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OffsetCalculator calc = new OffsetCalculator(width, height, 0, false, 2, 2);
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if (Sse2.IsSupported)
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{
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int strideTrunc64 = BitUtils.AlignDown(width * 2, 64);
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int outStrideGap = dstStride - width;
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fixed (byte* dstUPtr = dstU, dstVPtr = dstV, dataPtr = src)
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{
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byte* uPtr = dstUPtr;
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byte* vPtr = dstVPtr;
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for (int y = 0; y < height; y++)
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{
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calc.SetY(y);
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for (int x = 0; x < strideTrunc64; x += 64, uPtr += 32, vPtr += 32)
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{
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byte* offset = dataPtr + calc.GetOffsetWithLineOffset64(x);
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byte* offset2 = offset + 0x20;
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byte* offset3 = offset + 0x100;
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byte* offset4 = offset + 0x120;
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Vector128<byte> value = *(Vector128<byte>*)offset;
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Vector128<byte> value2 = *(Vector128<byte>*)offset2;
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Vector128<byte> value3 = *(Vector128<byte>*)offset3;
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Vector128<byte> value4 = *(Vector128<byte>*)offset4;
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Vector128<byte> u00 = Sse2.UnpackLow(value, value2);
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Vector128<byte> v00 = Sse2.UnpackHigh(value, value2);
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Vector128<byte> u01 = Sse2.UnpackLow(value3, value4);
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Vector128<byte> v01 = Sse2.UnpackHigh(value3, value4);
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Vector128<byte> u10 = Sse2.UnpackLow(u00, v00);
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Vector128<byte> v10 = Sse2.UnpackHigh(u00, v00);
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Vector128<byte> u11 = Sse2.UnpackLow(u01, v01);
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Vector128<byte> v11 = Sse2.UnpackHigh(u01, v01);
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Vector128<byte> u20 = Sse2.UnpackLow(u10, v10);
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Vector128<byte> v20 = Sse2.UnpackHigh(u10, v10);
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Vector128<byte> u21 = Sse2.UnpackLow(u11, v11);
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Vector128<byte> v21 = Sse2.UnpackHigh(u11, v11);
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Vector128<byte> u30 = Sse2.UnpackLow(u20, v20);
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Vector128<byte> v30 = Sse2.UnpackHigh(u20, v20);
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Vector128<byte> u31 = Sse2.UnpackLow(u21, v21);
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Vector128<byte> v31 = Sse2.UnpackHigh(u21, v21);
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*(Vector128<byte>*)uPtr = u30;
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*(Vector128<byte>*)(uPtr + 16) = u31;
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*(Vector128<byte>*)vPtr = v30;
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*(Vector128<byte>*)(vPtr + 16) = v31;
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}
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for (int x = strideTrunc64 / 2; x < width; x++, uPtr++, vPtr++)
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{
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byte* offset = dataPtr + calc.GetOffset(x);
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*uPtr = *offset;
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*vPtr = *(offset + 1);
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}
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uPtr += outStrideGap;
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vPtr += outStrideGap;
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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 dstBaseOffset = y * dstStride;
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calc.SetY(y);
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for (int x = 0; x < width; x++)
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{
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int srcOffset = calc.GetOffset(x);
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dstU[dstBaseOffset + x] = src[srcOffset];
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dstV[dstBaseOffset + x] = src[srcOffset + 1];
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}
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}
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}
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}
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}
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}
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