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ryujinx-final/Ryujinx.Graphics.Texture/LayoutConverter.cs
riperiperi 4b60371e64
Return mapped buffer pointer directly for flush, WriteableRegion for textures (#2494)
* Return mapped buffer pointer directly for flush, WriteableRegion for textures

A few changes here to generally improve performance, even for platforms not using the persistent buffer flush.

- Texture and buffer flush now return a ReadOnlySpan<byte>. It's guaranteed that this span is pinned in memory, but it will be overwritten on the next flush from that thread, so it is expected that the data is used before calling again.
- As a result, persistent mappings no longer copy to a new array - rather the persistent map is returned directly as a Span<>. A similar host array is used for the glGet flushes instead of allocating new arrays each time.
- Texture flushes now do their layout conversion into a WriteableRegion when the texture is not MultiRange, which allows the flush to happen directly into guest memory rather than into a temporary span, then copied over. This avoids another copy when doing layout conversion.

Overall, this saves 1 data copy for buffer flush, 1 copy for linear textures with matching source/target stride, and 2 copies for block textures or linear textures with mismatching strides.

* Fix tests

* Fix array pointer for Mesa/Intel path

* Address some feedback

* Update method for getting array pointer.
2021-07-19 19:10:54 -03:00

583 lines
No EOL
22 KiB
C#

using Ryujinx.Common;
using System;
using System.Runtime.Intrinsics;
using static Ryujinx.Graphics.Texture.BlockLinearConstants;
namespace Ryujinx.Graphics.Texture
{
public static class LayoutConverter
{
private const int HostStrideAlignment = 4;
public static void ConvertBlockLinearToLinear(
Span<byte> dst,
int width,
int height,
int stride,
int bytesPerPixel,
int gobBlocksInY,
ReadOnlySpan<byte> data)
{
int gobHeight = gobBlocksInY * GobHeight;
int strideTrunc = BitUtils.AlignDown(width * bytesPerPixel, 16);
int strideTrunc64 = BitUtils.AlignDown(width * bytesPerPixel, 64);
int xStart = strideTrunc / bytesPerPixel;
int outStrideGap = stride - width * bytesPerPixel;
int alignment = GobStride / bytesPerPixel;
int wAligned = BitUtils.AlignUp(width, alignment);
BlockLinearLayout layoutConverter = new BlockLinearLayout(wAligned, height, gobBlocksInY, 1, bytesPerPixel);
unsafe bool Convert<T>(Span<byte> output, ReadOnlySpan<byte> data) where T : unmanaged
{
fixed (byte* outputPtr = output, dataPtr = data)
{
byte* outPtr = outputPtr;
for (int y = 0; y < height; y++)
{
layoutConverter.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, outPtr += 64)
{
byte* offset = dataPtr + layoutConverter.GetOffsetWithLineOffset64(x);
byte* offset2 = offset + 0x20;
byte* offset3 = offset + 0x100;
byte* offset4 = offset + 0x120;
Vector128<byte> value = *(Vector128<byte>*)offset;
Vector128<byte> value2 = *(Vector128<byte>*)offset2;
Vector128<byte> value3 = *(Vector128<byte>*)offset3;
Vector128<byte> value4 = *(Vector128<byte>*)offset4;
*(Vector128<byte>*)outPtr = value;
*(Vector128<byte>*)(outPtr + 16) = value2;
*(Vector128<byte>*)(outPtr + 32) = value3;
*(Vector128<byte>*)(outPtr + 48) = value4;
}
for (int x = strideTrunc64; x < strideTrunc; x += 16, outPtr += 16)
{
byte* offset = dataPtr + layoutConverter.GetOffsetWithLineOffset16(x);
*(Vector128<byte>*)outPtr = *(Vector128<byte>*)offset;
}
for (int x = xStart; x < width; x++, outPtr += bytesPerPixel)
{
byte* offset = dataPtr + layoutConverter.GetOffset(x);
*(T*)outPtr = *(T*)offset;
}
outPtr += outStrideGap;
}
}
return true;
}
bool _ = bytesPerPixel switch
{
1 => Convert<byte>(dst, data),
2 => Convert<ushort>(dst, data),
4 => Convert<uint>(dst, data),
8 => Convert<ulong>(dst, data),
12 => Convert<Bpp12Pixel>(dst, data),
16 => Convert<Vector128<byte>>(dst, data),
_ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.")
};
}
public static Span<byte> ConvertBlockLinearToLinear(
int width,
int height,
int depth,
int levels,
int layers,
int blockWidth,
int blockHeight,
int bytesPerPixel,
int gobBlocksInY,
int gobBlocksInZ,
int gobBlocksInTileX,
SizeInfo sizeInfo,
ReadOnlySpan<byte> data)
{
int outSize = GetTextureSize(
width,
height,
depth,
levels,
layers,
blockWidth,
blockHeight,
bytesPerPixel);
Span<byte> output = new byte[outSize];
int outOffs = 0;
int mipGobBlocksInY = gobBlocksInY;
int mipGobBlocksInZ = gobBlocksInZ;
int gobWidth = (GobStride / bytesPerPixel) * gobBlocksInTileX;
int gobHeight = gobBlocksInY * GobHeight;
for (int level = 0; level < levels; level++)
{
int w = Math.Max(1, width >> level);
int h = Math.Max(1, height >> level);
int d = Math.Max(1, depth >> level);
w = BitUtils.DivRoundUp(w, blockWidth);
h = BitUtils.DivRoundUp(h, blockHeight);
while (h <= (mipGobBlocksInY >> 1) * GobHeight && mipGobBlocksInY != 1)
{
mipGobBlocksInY >>= 1;
}
while (d <= (mipGobBlocksInZ >> 1) && mipGobBlocksInZ != 1)
{
mipGobBlocksInZ >>= 1;
}
int strideTrunc = BitUtils.AlignDown(w * bytesPerPixel, 16);
int strideTrunc64 = BitUtils.AlignDown(w * bytesPerPixel, 64);
int xStart = strideTrunc / bytesPerPixel;
int stride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
int outStrideGap = stride - w * bytesPerPixel;
int alignment = gobWidth;
if (d < gobBlocksInZ || w <= gobWidth || h <= gobHeight)
{
alignment = GobStride / bytesPerPixel;
}
int wAligned = BitUtils.AlignUp(w, alignment);
BlockLinearLayout layoutConverter = new BlockLinearLayout(
wAligned,
h,
mipGobBlocksInY,
mipGobBlocksInZ,
bytesPerPixel);
unsafe bool Convert<T>(Span<byte> output, ReadOnlySpan<byte> data) where T : unmanaged
{
fixed (byte* outputPtr = output, dataPtr = data)
{
byte* outPtr = outputPtr + outOffs;
for (int layer = 0; layer < layers; layer++)
{
byte* inBaseOffset = dataPtr + (layer * sizeInfo.LayerSize + sizeInfo.GetMipOffset(level));
for (int z = 0; z < d; z++)
{
layoutConverter.SetZ(z);
for (int y = 0; y < h; y++)
{
layoutConverter.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, outPtr += 64)
{
byte* offset = inBaseOffset + layoutConverter.GetOffsetWithLineOffset64(x);
byte* offset2 = offset + 0x20;
byte* offset3 = offset + 0x100;
byte* offset4 = offset + 0x120;
Vector128<byte> value = *(Vector128<byte>*)offset;
Vector128<byte> value2 = *(Vector128<byte>*)offset2;
Vector128<byte> value3 = *(Vector128<byte>*)offset3;
Vector128<byte> value4 = *(Vector128<byte>*)offset4;
*(Vector128<byte>*)outPtr = value;
*(Vector128<byte>*)(outPtr + 16) = value2;
*(Vector128<byte>*)(outPtr + 32) = value3;
*(Vector128<byte>*)(outPtr + 48) = value4;
}
for (int x = strideTrunc64; x < strideTrunc; x += 16, outPtr += 16)
{
byte* offset = inBaseOffset + layoutConverter.GetOffsetWithLineOffset16(x);
*(Vector128<byte>*)outPtr = *(Vector128<byte>*)offset;
}
for (int x = xStart; x < w; x++, outPtr += bytesPerPixel)
{
byte* offset = inBaseOffset + layoutConverter.GetOffset(x);
*(T*)outPtr = *(T*)offset;
}
outPtr += outStrideGap;
}
}
}
outOffs += stride * h * d * layers;
}
return true;
}
bool _ = bytesPerPixel switch
{
1 => Convert<byte>(output, data),
2 => Convert<ushort>(output, data),
4 => Convert<uint>(output, data),
8 => Convert<ulong>(output, data),
12 => Convert<Bpp12Pixel>(output, data),
16 => Convert<Vector128<byte>>(output, data),
_ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.")
};
}
return output;
}
public static Span<byte> ConvertLinearStridedToLinear(
int width,
int height,
int blockWidth,
int blockHeight,
int stride,
int bytesPerPixel,
ReadOnlySpan<byte> data)
{
int w = BitUtils.DivRoundUp(width, blockWidth);
int h = BitUtils.DivRoundUp(height, blockHeight);
int outStride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
int lineSize = Math.Min(stride, outStride);
Span<byte> output = new byte[h * outStride];
int outOffs = 0;
int inOffs = 0;
for (int y = 0; y < h; y++)
{
data.Slice(inOffs, lineSize).CopyTo(output.Slice(outOffs, lineSize));
inOffs += stride;
outOffs += outStride;
}
return output;
}
public static void ConvertLinearToBlockLinear(
Span<byte> dst,
int width,
int height,
int stride,
int bytesPerPixel,
int gobBlocksInY,
ReadOnlySpan<byte> data)
{
int gobHeight = gobBlocksInY * GobHeight;
int strideTrunc = BitUtils.AlignDown(width * bytesPerPixel, 16);
int strideTrunc64 = BitUtils.AlignDown(width * bytesPerPixel, 64);
int xStart = strideTrunc / bytesPerPixel;
int inStrideGap = stride - width * bytesPerPixel;
int alignment = GobStride / bytesPerPixel;
int wAligned = BitUtils.AlignUp(width, alignment);
BlockLinearLayout layoutConverter = new BlockLinearLayout(wAligned, height, gobBlocksInY, 1, bytesPerPixel);
unsafe bool Convert<T>(Span<byte> output, ReadOnlySpan<byte> data) where T : unmanaged
{
fixed (byte* outputPtr = output, dataPtr = data)
{
byte* inPtr = dataPtr;
for (int y = 0; y < height; y++)
{
layoutConverter.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, inPtr += 64)
{
byte* offset = outputPtr + layoutConverter.GetOffsetWithLineOffset64(x);
byte* offset2 = offset + 0x20;
byte* offset3 = offset + 0x100;
byte* offset4 = offset + 0x120;
Vector128<byte> value = *(Vector128<byte>*)inPtr;
Vector128<byte> value2 = *(Vector128<byte>*)(inPtr + 16);
Vector128<byte> value3 = *(Vector128<byte>*)(inPtr + 32);
Vector128<byte> value4 = *(Vector128<byte>*)(inPtr + 48);
*(Vector128<byte>*)offset = value;
*(Vector128<byte>*)offset2 = value2;
*(Vector128<byte>*)offset3 = value3;
*(Vector128<byte>*)offset4 = value4;
}
for (int x = strideTrunc64; x < strideTrunc; x += 16, inPtr += 16)
{
byte* offset = outputPtr + layoutConverter.GetOffsetWithLineOffset16(x);
*(Vector128<byte>*)offset = *(Vector128<byte>*)inPtr;
}
for (int x = xStart; x < width; x++, inPtr += bytesPerPixel)
{
byte* offset = outputPtr + layoutConverter.GetOffset(x);
*(T*)offset = *(T*)inPtr;
}
inPtr += inStrideGap;
}
}
return true;
}
bool _ = bytesPerPixel switch
{
1 => Convert<byte>(dst, data),
2 => Convert<ushort>(dst, data),
4 => Convert<uint>(dst, data),
8 => Convert<ulong>(dst, data),
12 => Convert<Bpp12Pixel>(dst, data),
16 => Convert<Vector128<byte>>(dst, data),
_ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.")
};
}
public static ReadOnlySpan<byte> ConvertLinearToBlockLinear(
Span<byte> output,
int width,
int height,
int depth,
int levels,
int layers,
int blockWidth,
int blockHeight,
int bytesPerPixel,
int gobBlocksInY,
int gobBlocksInZ,
int gobBlocksInTileX,
SizeInfo sizeInfo,
ReadOnlySpan<byte> data)
{
if (output.Length == 0)
{
output = new byte[sizeInfo.TotalSize];
}
int inOffs = 0;
int mipGobBlocksInY = gobBlocksInY;
int mipGobBlocksInZ = gobBlocksInZ;
int gobWidth = (GobStride / bytesPerPixel) * gobBlocksInTileX;
int gobHeight = gobBlocksInY * GobHeight;
for (int level = 0; level < levels; level++)
{
int w = Math.Max(1, width >> level);
int h = Math.Max(1, height >> level);
int d = Math.Max(1, depth >> level);
w = BitUtils.DivRoundUp(w, blockWidth);
h = BitUtils.DivRoundUp(h, blockHeight);
while (h <= (mipGobBlocksInY >> 1) * GobHeight && mipGobBlocksInY != 1)
{
mipGobBlocksInY >>= 1;
}
while (d <= (mipGobBlocksInZ >> 1) && mipGobBlocksInZ != 1)
{
mipGobBlocksInZ >>= 1;
}
int strideTrunc = BitUtils.AlignDown(w * bytesPerPixel, 16);
int strideTrunc64 = BitUtils.AlignDown(w * bytesPerPixel, 64);
int xStart = strideTrunc / bytesPerPixel;
int stride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
int inStrideGap = stride - w * bytesPerPixel;
int alignment = gobWidth;
if (d < gobBlocksInZ || w <= gobWidth || h <= gobHeight)
{
alignment = GobStride / bytesPerPixel;
}
int wAligned = BitUtils.AlignUp(w, alignment);
BlockLinearLayout layoutConverter = new BlockLinearLayout(
wAligned,
h,
mipGobBlocksInY,
mipGobBlocksInZ,
bytesPerPixel);
unsafe bool Convert<T>(Span<byte> output, ReadOnlySpan<byte> data) where T : unmanaged
{
fixed (byte* outputPtr = output, dataPtr = data)
{
byte* inPtr = dataPtr + inOffs;
for (int layer = 0; layer < layers; layer++)
{
byte* outBaseOffset = outputPtr + (layer * sizeInfo.LayerSize + sizeInfo.GetMipOffset(level));
for (int z = 0; z < d; z++)
{
layoutConverter.SetZ(z);
for (int y = 0; y < h; y++)
{
layoutConverter.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, inPtr += 64)
{
byte* offset = outBaseOffset + layoutConverter.GetOffsetWithLineOffset64(x);
byte* offset2 = offset + 0x20;
byte* offset3 = offset + 0x100;
byte* offset4 = offset + 0x120;
Vector128<byte> value = *(Vector128<byte>*)inPtr;
Vector128<byte> value2 = *(Vector128<byte>*)(inPtr + 16);
Vector128<byte> value3 = *(Vector128<byte>*)(inPtr + 32);
Vector128<byte> value4 = *(Vector128<byte>*)(inPtr + 48);
*(Vector128<byte>*)offset = value;
*(Vector128<byte>*)offset2 = value2;
*(Vector128<byte>*)offset3 = value3;
*(Vector128<byte>*)offset4 = value4;
}
for (int x = strideTrunc64; x < strideTrunc; x += 16, inPtr += 16)
{
byte* offset = outBaseOffset + layoutConverter.GetOffsetWithLineOffset16(x);
*(Vector128<byte>*)offset = *(Vector128<byte>*)inPtr;
}
for (int x = xStart; x < w; x++, inPtr += bytesPerPixel)
{
byte* offset = outBaseOffset + layoutConverter.GetOffset(x);
*(T*)offset = *(T*)inPtr;
}
inPtr += inStrideGap;
}
}
}
inOffs += stride * h * d * layers;
}
return true;
}
bool _ = bytesPerPixel switch
{
1 => Convert<byte>(output, data),
2 => Convert<ushort>(output, data),
4 => Convert<uint>(output, data),
8 => Convert<ulong>(output, data),
12 => Convert<Bpp12Pixel>(output, data),
16 => Convert<Vector128<byte>>(output, data),
_ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.")
};
}
return output;
}
public static ReadOnlySpan<byte> ConvertLinearToLinearStrided(
Span<byte> output,
int width,
int height,
int blockWidth,
int blockHeight,
int stride,
int bytesPerPixel,
ReadOnlySpan<byte> data)
{
int w = BitUtils.DivRoundUp(width, blockWidth);
int h = BitUtils.DivRoundUp(height, blockHeight);
int inStride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
int lineSize = width * bytesPerPixel;
if (inStride == stride)
{
if (output.Length != 0)
{
data.CopyTo(output);
return output;
}
else
{
return data;
}
}
if (output.Length == 0)
{
output = new byte[h * stride];
}
int inOffs = 0;
int outOffs = 0;
for (int y = 0; y < h; y++)
{
data.Slice(inOffs, lineSize).CopyTo(output.Slice(outOffs, lineSize));
inOffs += inStride;
outOffs += stride;
}
return output;
}
private static int GetTextureSize(
int width,
int height,
int depth,
int levels,
int layers,
int blockWidth,
int blockHeight,
int bytesPerPixel)
{
int layerSize = 0;
for (int level = 0; level < levels; level++)
{
int w = Math.Max(1, width >> level);
int h = Math.Max(1, height >> level);
int d = Math.Max(1, depth >> level);
w = BitUtils.DivRoundUp(w, blockWidth);
h = BitUtils.DivRoundUp(h, blockHeight);
int stride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
layerSize += stride * h * d;
}
return layerSize * layers;
}
}
}