diff options
author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
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committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs | |
parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) |
Move solution and projects to src
Diffstat (limited to 'src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs')
-rw-r--r-- | src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs b/src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs new file mode 100644 index 00000000..37d261f9 --- /dev/null +++ b/src/Ryujinx.Graphics.Vic/Image/SurfaceWriter.cs @@ -0,0 +1,667 @@ +using Ryujinx.Common.Logging; +using Ryujinx.Graphics.Texture; +using Ryujinx.Graphics.Vic.Types; +using System; +using System.Runtime.Intrinsics; +using System.Runtime.Intrinsics.Arm; +using System.Runtime.Intrinsics.X86; +using static Ryujinx.Graphics.Vic.Image.SurfaceCommon; + +namespace Ryujinx.Graphics.Vic.Image +{ + class SurfaceWriter + { + public static void Write(ResourceManager rm, Surface input, ref OutputSurfaceConfig config, ref PlaneOffsets offsets) + { + switch (config.OutPixelFormat) + { + case PixelFormat.A8B8G8R8: + case PixelFormat.X8B8G8R8: + WriteA8B8G8R8(rm, input, ref config, ref offsets); + break; + case PixelFormat.A8R8G8B8: + WriteA8R8G8B8(rm, input, ref config, ref offsets); + break; + case PixelFormat.Y8___V8U8_N420: + WriteNv12(rm, input, ref config, ref offsets); + break; + default: + Logger.Error?.Print(LogClass.Vic, $"Unsupported pixel format \"{config.OutPixelFormat}\"."); + break; + } + } + + private unsafe static void WriteA8B8G8R8(ResourceManager rm, Surface input, ref OutputSurfaceConfig config, ref PlaneOffsets offsets) + { + int width = input.Width; + int height = input.Height; + int stride = GetPitch(width, 4); + + int dstIndex = rm.BufferPool.Rent(height * stride, out Span<byte> dst); + + if (Sse2.IsSupported) + { + int widthTrunc = width & ~7; + int strideGap = stride - width * 4; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dst) + { + byte* op = dstPtr; + + for (int y = 0; y < height; y++, ip += input.Width) + { + int x = 0; + + for (; x < widthTrunc; x += 8) + { + Vector128<ushort> pixel12 = Sse2.LoadVector128((ushort*)(ip + (uint)x)); + Vector128<ushort> pixel34 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 2)); + Vector128<ushort> pixel56 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 4)); + Vector128<ushort> pixel78 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 6)); + + pixel12 = Sse2.ShiftRightLogical(pixel12, 2); + pixel34 = Sse2.ShiftRightLogical(pixel34, 2); + pixel56 = Sse2.ShiftRightLogical(pixel56, 2); + pixel78 = Sse2.ShiftRightLogical(pixel78, 2); + + Vector128<byte> pixel1234 = Sse2.PackUnsignedSaturate(pixel12.AsInt16(), pixel34.AsInt16()); + Vector128<byte> pixel5678 = Sse2.PackUnsignedSaturate(pixel56.AsInt16(), pixel78.AsInt16()); + + Sse2.Store(op + 0x00, pixel1234); + Sse2.Store(op + 0x10, pixel5678); + + op += 0x20; + } + + for (; x < width; x++) + { + Pixel* px = ip + (uint)x; + + *(op + 0) = Downsample(px->R); + *(op + 1) = Downsample(px->G); + *(op + 2) = Downsample(px->B); + *(op + 3) = Downsample(px->A); + + op += 4; + } + + op += strideGap; + } + } + } + } + else if (AdvSimd.IsSupported) + { + int widthTrunc = width & ~7; + int strideGap = stride - width * 4; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dst) + { + byte* op = dstPtr; + + for (int y = 0; y < height; y++, ip += input.Width) + { + int x = 0; + + for (; x < widthTrunc; x += 8) + { + Vector128<ushort> pixel12 = AdvSimd.LoadVector128((ushort*)(ip + (uint)x)); + Vector128<ushort> pixel34 = AdvSimd.LoadVector128((ushort*)(ip + (uint)x + 2)); + Vector128<ushort> pixel56 = AdvSimd.LoadVector128((ushort*)(ip + (uint)x + 4)); + Vector128<ushort> pixel78 = AdvSimd.LoadVector128((ushort*)(ip + (uint)x + 6)); + + pixel12 = AdvSimd.ShiftRightLogical(pixel12, 2); + pixel34 = AdvSimd.ShiftRightLogical(pixel34, 2); + pixel56 = AdvSimd.ShiftRightLogical(pixel56, 2); + pixel78 = AdvSimd.ShiftRightLogical(pixel78, 2); + + Vector64<byte> lower12 = AdvSimd.ExtractNarrowingLower(pixel12.AsUInt16()); + Vector64<byte> lower56 = AdvSimd.ExtractNarrowingLower(pixel56.AsUInt16()); + + Vector128<byte> pixel1234 = AdvSimd.ExtractNarrowingUpper(lower12, pixel34.AsUInt16()); + Vector128<byte> pixel5678 = AdvSimd.ExtractNarrowingUpper(lower56, pixel78.AsUInt16()); + + AdvSimd.Store(op + 0x00, pixel1234); + AdvSimd.Store(op + 0x10, pixel5678); + + op += 0x20; + } + + for (; x < width; x++) + { + Pixel* px = ip + (uint)x; + + *(op + 0) = Downsample(px->R); + *(op + 1) = Downsample(px->G); + *(op + 2) = Downsample(px->B); + *(op + 3) = Downsample(px->A); + + op += 4; + } + + op += strideGap; + } + } + } + } + else + { + for (int y = 0; y < height; y++) + { + int baseOffs = y * stride; + + for (int x = 0; x < width; x++) + { + int offs = baseOffs + x * 4; + + dst[offs + 0] = Downsample(input.GetR(x, y)); + dst[offs + 1] = Downsample(input.GetG(x, y)); + dst[offs + 2] = Downsample(input.GetB(x, y)); + dst[offs + 3] = Downsample(input.GetA(x, y)); + } + } + } + + bool outLinear = config.OutBlkKind == 0; + + int gobBlocksInY = 1 << config.OutBlkHeight; + + WriteBuffer(rm, dst, offsets.LumaOffset, outLinear, width, height, 4, gobBlocksInY); + + rm.BufferPool.Return(dstIndex); + } + + private unsafe static void WriteA8R8G8B8(ResourceManager rm, Surface input, ref OutputSurfaceConfig config, ref PlaneOffsets offsets) + { + int width = input.Width; + int height = input.Height; + int stride = GetPitch(width, 4); + + int dstIndex = rm.BufferPool.Rent(height * stride, out Span<byte> dst); + + if (Ssse3.IsSupported) + { + Vector128<byte> shuffleMask = Vector128.Create( + (byte)2, (byte)1, (byte)0, (byte)3, + (byte)6, (byte)5, (byte)4, (byte)7, + (byte)10, (byte)9, (byte)8, (byte)11, + (byte)14, (byte)13, (byte)12, (byte)15); + + int widthTrunc = width & ~7; + int strideGap = stride - width * 4; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dst) + { + byte* op = dstPtr; + + for (int y = 0; y < height; y++, ip += input.Width) + { + int x = 0; + + for (; x < widthTrunc; x += 8) + { + Vector128<ushort> pixel12 = Sse2.LoadVector128((ushort*)(ip + (uint)x)); + Vector128<ushort> pixel34 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 2)); + Vector128<ushort> pixel56 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 4)); + Vector128<ushort> pixel78 = Sse2.LoadVector128((ushort*)(ip + (uint)x + 6)); + + pixel12 = Sse2.ShiftRightLogical(pixel12, 2); + pixel34 = Sse2.ShiftRightLogical(pixel34, 2); + pixel56 = Sse2.ShiftRightLogical(pixel56, 2); + pixel78 = Sse2.ShiftRightLogical(pixel78, 2); + + Vector128<byte> pixel1234 = Sse2.PackUnsignedSaturate(pixel12.AsInt16(), pixel34.AsInt16()); + Vector128<byte> pixel5678 = Sse2.PackUnsignedSaturate(pixel56.AsInt16(), pixel78.AsInt16()); + + pixel1234 = Ssse3.Shuffle(pixel1234, shuffleMask); + pixel5678 = Ssse3.Shuffle(pixel5678, shuffleMask); + + Sse2.Store(op + 0x00, pixel1234); + Sse2.Store(op + 0x10, pixel5678); + + op += 0x20; + } + + for (; x < width; x++) + { + Pixel* px = ip + (uint)x; + + *(op + 0) = Downsample(px->B); + *(op + 1) = Downsample(px->G); + *(op + 2) = Downsample(px->R); + *(op + 3) = Downsample(px->A); + + op += 4; + } + + op += strideGap; + } + } + } + } + else + { + for (int y = 0; y < height; y++) + { + int baseOffs = y * stride; + + for (int x = 0; x < width; x++) + { + int offs = baseOffs + x * 4; + + dst[offs + 0] = Downsample(input.GetB(x, y)); + dst[offs + 1] = Downsample(input.GetG(x, y)); + dst[offs + 2] = Downsample(input.GetR(x, y)); + dst[offs + 3] = Downsample(input.GetA(x, y)); + } + } + } + + bool outLinear = config.OutBlkKind == 0; + + int gobBlocksInY = 1 << config.OutBlkHeight; + + WriteBuffer(rm, dst, offsets.LumaOffset, outLinear, width, height, 4, gobBlocksInY); + + rm.BufferPool.Return(dstIndex); + } + + private unsafe static void WriteNv12(ResourceManager rm, Surface input, ref OutputSurfaceConfig config, ref PlaneOffsets offsets) + { + int gobBlocksInY = 1 << config.OutBlkHeight; + + bool outLinear = config.OutBlkKind == 0; + + int width = Math.Min(config.OutLumaWidth + 1, input.Width); + int height = Math.Min(config.OutLumaHeight + 1, input.Height); + int yStride = GetPitch(config.OutLumaWidth + 1, 1); + + int dstYIndex = rm.BufferPool.Rent((config.OutLumaHeight + 1) * yStride, out Span<byte> dstY); + + if (Sse41.IsSupported) + { + Vector128<ushort> mask = Vector128.Create(0xffffUL).AsUInt16(); + + int widthTrunc = width & ~0xf; + int strideGap = yStride - width; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dstY) + { + byte* op = dstPtr; + + for (int y = 0; y < height; y++, ip += input.Width) + { + int x = 0; + + for (; x < widthTrunc; x += 16) + { + byte* baseOffset = (byte*)(ip + (ulong)(uint)x); + + Vector128<ushort> pixelp1 = Sse2.LoadVector128((ushort*)baseOffset); + Vector128<ushort> pixelp2 = Sse2.LoadVector128((ushort*)(baseOffset + 0x10)); + Vector128<ushort> pixelp3 = Sse2.LoadVector128((ushort*)(baseOffset + 0x20)); + Vector128<ushort> pixelp4 = Sse2.LoadVector128((ushort*)(baseOffset + 0x30)); + Vector128<ushort> pixelp5 = Sse2.LoadVector128((ushort*)(baseOffset + 0x40)); + Vector128<ushort> pixelp6 = Sse2.LoadVector128((ushort*)(baseOffset + 0x50)); + Vector128<ushort> pixelp7 = Sse2.LoadVector128((ushort*)(baseOffset + 0x60)); + Vector128<ushort> pixelp8 = Sse2.LoadVector128((ushort*)(baseOffset + 0x70)); + + pixelp1 = Sse2.And(pixelp1, mask); + pixelp2 = Sse2.And(pixelp2, mask); + pixelp3 = Sse2.And(pixelp3, mask); + pixelp4 = Sse2.And(pixelp4, mask); + pixelp5 = Sse2.And(pixelp5, mask); + pixelp6 = Sse2.And(pixelp6, mask); + pixelp7 = Sse2.And(pixelp7, mask); + pixelp8 = Sse2.And(pixelp8, mask); + + Vector128<ushort> pixelq1 = Sse41.PackUnsignedSaturate(pixelp1.AsInt32(), pixelp2.AsInt32()); + Vector128<ushort> pixelq2 = Sse41.PackUnsignedSaturate(pixelp3.AsInt32(), pixelp4.AsInt32()); + Vector128<ushort> pixelq3 = Sse41.PackUnsignedSaturate(pixelp5.AsInt32(), pixelp6.AsInt32()); + Vector128<ushort> pixelq4 = Sse41.PackUnsignedSaturate(pixelp7.AsInt32(), pixelp8.AsInt32()); + + pixelq1 = Sse41.PackUnsignedSaturate(pixelq1.AsInt32(), pixelq2.AsInt32()); + pixelq2 = Sse41.PackUnsignedSaturate(pixelq3.AsInt32(), pixelq4.AsInt32()); + + pixelq1 = Sse2.ShiftRightLogical(pixelq1, 2); + pixelq2 = Sse2.ShiftRightLogical(pixelq2, 2); + + Vector128<byte> pixel = Sse2.PackUnsignedSaturate(pixelq1.AsInt16(), pixelq2.AsInt16()); + + Sse2.Store(op, pixel); + + op += 0x10; + } + + for (; x < width; x++) + { + Pixel* px = ip + (uint)x; + + *op++ = Downsample(px->R); + } + + op += strideGap; + } + } + } + } + else if (AdvSimd.IsSupported) + { + Vector128<ushort> mask = Vector128.Create(0xffffUL).AsUInt16(); + + int widthTrunc = width & ~0xf; + int strideGap = yStride - width; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dstY) + { + byte* op = dstPtr; + + for (int y = 0; y < height; y++, ip += input.Width) + { + int x = 0; + + for (; x < widthTrunc; x += 16) + { + byte* baseOffset = (byte*)(ip + (ulong)(uint)x); + + Vector128<ushort> pixelp1 = AdvSimd.LoadVector128((ushort*)baseOffset); + Vector128<ushort> pixelp2 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x10)); + Vector128<ushort> pixelp3 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x20)); + Vector128<ushort> pixelp4 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x30)); + Vector128<ushort> pixelp5 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x40)); + Vector128<ushort> pixelp6 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x50)); + Vector128<ushort> pixelp7 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x60)); + Vector128<ushort> pixelp8 = AdvSimd.LoadVector128((ushort*)(baseOffset + 0x70)); + + pixelp1 = AdvSimd.And(pixelp1, mask); + pixelp2 = AdvSimd.And(pixelp2, mask); + pixelp3 = AdvSimd.And(pixelp3, mask); + pixelp4 = AdvSimd.And(pixelp4, mask); + pixelp5 = AdvSimd.And(pixelp5, mask); + pixelp6 = AdvSimd.And(pixelp6, mask); + pixelp7 = AdvSimd.And(pixelp7, mask); + pixelp8 = AdvSimd.And(pixelp8, mask); + + Vector64<ushort> lowerp1 = AdvSimd.ExtractNarrowingLower(pixelp1.AsUInt32()); + Vector64<ushort> lowerp3 = AdvSimd.ExtractNarrowingLower(pixelp3.AsUInt32()); + Vector64<ushort> lowerp5 = AdvSimd.ExtractNarrowingLower(pixelp5.AsUInt32()); + Vector64<ushort> lowerp7 = AdvSimd.ExtractNarrowingLower(pixelp7.AsUInt32()); + + Vector128<ushort> pixelq1 = AdvSimd.ExtractNarrowingUpper(lowerp1, pixelp2.AsUInt32()); + Vector128<ushort> pixelq2 = AdvSimd.ExtractNarrowingUpper(lowerp3, pixelp4.AsUInt32()); + Vector128<ushort> pixelq3 = AdvSimd.ExtractNarrowingUpper(lowerp5, pixelp6.AsUInt32()); + Vector128<ushort> pixelq4 = AdvSimd.ExtractNarrowingUpper(lowerp7, pixelp8.AsUInt32()); + + Vector64<ushort> lowerq1 = AdvSimd.ExtractNarrowingLower(pixelq1.AsUInt32()); + Vector64<ushort> lowerq3 = AdvSimd.ExtractNarrowingLower(pixelq3.AsUInt32()); + + pixelq1 = AdvSimd.ExtractNarrowingUpper(lowerq1, pixelq2.AsUInt32()); + pixelq2 = AdvSimd.ExtractNarrowingUpper(lowerq3, pixelq4.AsUInt32()); + + pixelq1 = AdvSimd.ShiftRightLogical(pixelq1, 2); + pixelq2 = AdvSimd.ShiftRightLogical(pixelq2, 2); + + Vector64<byte> pixelLower = AdvSimd.ExtractNarrowingLower(pixelq1.AsUInt16()); + + Vector128<byte> pixel = AdvSimd.ExtractNarrowingUpper(pixelLower, pixelq2.AsUInt16()); + + AdvSimd.Store(op, pixel); + + op += 0x10; + } + + for (; x < width; x++) + { + Pixel* px = ip + (uint)x; + + *op++ = Downsample(px->R); + } + + op += strideGap; + } + } + } + } + else + { + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + dstY[y * yStride + x] = Downsample(input.GetR(x, y)); + } + } + } + + WriteBuffer( + rm, + dstY, + offsets.LumaOffset, + outLinear, + config.OutLumaWidth + 1, + config.OutLumaHeight + 1, + 1, + gobBlocksInY); + + rm.BufferPool.Return(dstYIndex); + + int uvWidth = Math.Min(config.OutChromaWidth + 1, (width + 1) >> 1); + int uvHeight = Math.Min(config.OutChromaHeight + 1, (height + 1) >> 1); + int uvStride = GetPitch(config.OutChromaWidth + 1, 2); + + int dstUvIndex = rm.BufferPool.Rent((config.OutChromaHeight + 1) * uvStride, out Span<byte> dstUv); + + if (Sse2.IsSupported) + { + int widthTrunc = uvWidth & ~7; + int strideGap = uvStride - uvWidth * 2; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dstUv) + { + byte* op = dstPtr; + + for (int y = 0; y < uvHeight; y++, ip += input.Width * 2) + { + int x = 0; + + for (; x < widthTrunc; x += 8) + { + byte* baseOffset = (byte*)ip + (ulong)(uint)x * 16; + + Vector128<uint> pixel1 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x02)); + Vector128<uint> pixel2 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x12)); + Vector128<uint> pixel3 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x22)); + Vector128<uint> pixel4 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x32)); + Vector128<uint> pixel5 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x42)); + Vector128<uint> pixel6 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x52)); + Vector128<uint> pixel7 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x62)); + Vector128<uint> pixel8 = Sse2.LoadScalarVector128((uint*)(baseOffset + 0x72)); + + Vector128<uint> pixel12 = Sse2.UnpackLow(pixel1, pixel2); + Vector128<uint> pixel34 = Sse2.UnpackLow(pixel3, pixel4); + Vector128<uint> pixel56 = Sse2.UnpackLow(pixel5, pixel6); + Vector128<uint> pixel78 = Sse2.UnpackLow(pixel7, pixel8); + + Vector128<ulong> pixel1234 = Sse2.UnpackLow(pixel12.AsUInt64(), pixel34.AsUInt64()); + Vector128<ulong> pixel5678 = Sse2.UnpackLow(pixel56.AsUInt64(), pixel78.AsUInt64()); + + pixel1234 = Sse2.ShiftRightLogical(pixel1234, 2); + pixel5678 = Sse2.ShiftRightLogical(pixel5678, 2); + + Vector128<byte> pixel = Sse2.PackUnsignedSaturate(pixel1234.AsInt16(), pixel5678.AsInt16()); + + Sse2.Store(op, pixel); + + op += 0x10; + } + + for (; x < uvWidth; x++) + { + Pixel* px = ip + (uint)(x << 1); + + *op++ = Downsample(px->G); + *op++ = Downsample(px->B); + } + + op += strideGap; + } + } + } + } + else if (AdvSimd.Arm64.IsSupported) + { + int widthTrunc = uvWidth & ~7; + int strideGap = uvStride - uvWidth * 2; + + fixed (Pixel* srcPtr = input.Data) + { + Pixel* ip = srcPtr; + + fixed (byte* dstPtr = dstUv) + { + byte* op = dstPtr; + + for (int y = 0; y < uvHeight; y++, ip += input.Width * 2) + { + int x = 0; + + for (; x < widthTrunc; x += 8) + { + byte* baseOffset = (byte*)ip + (ulong)(uint)x * 16; + + Vector128<uint> pixel1 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x02)); + Vector128<uint> pixel2 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x12)); + Vector128<uint> pixel3 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x22)); + Vector128<uint> pixel4 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x32)); + Vector128<uint> pixel5 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x42)); + Vector128<uint> pixel6 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x52)); + Vector128<uint> pixel7 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x62)); + Vector128<uint> pixel8 = AdvSimd.LoadAndReplicateToVector128((uint*)(baseOffset + 0x72)); + + Vector128<uint> pixel12 = AdvSimd.Arm64.ZipLow(pixel1, pixel2); + Vector128<uint> pixel34 = AdvSimd.Arm64.ZipLow(pixel3, pixel4); + Vector128<uint> pixel56 = AdvSimd.Arm64.ZipLow(pixel5, pixel6); + Vector128<uint> pixel78 = AdvSimd.Arm64.ZipLow(pixel7, pixel8); + + Vector128<ulong> pixel1234 = AdvSimd.Arm64.ZipLow(pixel12.AsUInt64(), pixel34.AsUInt64()); + Vector128<ulong> pixel5678 = AdvSimd.Arm64.ZipLow(pixel56.AsUInt64(), pixel78.AsUInt64()); + + pixel1234 = AdvSimd.ShiftRightLogical(pixel1234, 2); + pixel5678 = AdvSimd.ShiftRightLogical(pixel5678, 2); + + Vector64<byte> pixelLower = AdvSimd.ExtractNarrowingLower(pixel1234.AsUInt16()); + + Vector128<byte> pixel = AdvSimd.ExtractNarrowingUpper(pixelLower, pixel5678.AsUInt16()); + + AdvSimd.Store(op, pixel); + + op += 0x10; + } + + for (; x < uvWidth; x++) + { + Pixel* px = ip + (uint)(x << 1); + + *op++ = Downsample(px->G); + *op++ = Downsample(px->B); + } + + op += strideGap; + } + } + } + } + else + { + for (int y = 0; y < uvHeight; y++) + { + for (int x = 0; x < uvWidth; x++) + { + int xx = x << 1; + int yy = y << 1; + + int uvOffs = y * uvStride + xx; + + dstUv[uvOffs + 0] = Downsample(input.GetG(xx, yy)); + dstUv[uvOffs + 1] = Downsample(input.GetB(xx, yy)); + } + } + } + + WriteBuffer( + rm, + dstUv, + offsets.ChromaUOffset, + outLinear, + config.OutChromaWidth + 1, + config.OutChromaHeight + 1, 2, + gobBlocksInY); + + rm.BufferPool.Return(dstUvIndex); + } + + private static void WriteBuffer( + ResourceManager rm, + ReadOnlySpan<byte> src, + uint offset, + bool linear, + int width, + int height, + int bytesPerPixel, + int gobBlocksInY) + { + if (linear) + { + rm.Gmm.WriteMapped(ExtendOffset(offset), src); + return; + } + + WriteBuffer(rm, src, offset, width, height, bytesPerPixel, gobBlocksInY); + } + + private static void WriteBuffer( + ResourceManager rm, + ReadOnlySpan<byte> src, + uint offset, + int width, + int height, + int bytesPerPixel, + int gobBlocksInY) + { + int outSize = GetBlockLinearSize(width, height, bytesPerPixel, gobBlocksInY); + int dstStride = GetPitch(width, bytesPerPixel); + + int dstIndex = rm.BufferPool.Rent(outSize, out Span<byte> dst); + + LayoutConverter.ConvertLinearToBlockLinear(dst, width, height, dstStride, bytesPerPixel, gobBlocksInY, src); + + rm.Gmm.WriteMapped(ExtendOffset(offset), dst); + + rm.BufferPool.Return(dstIndex); + } + } +} |