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misc: Change disk shader cache compression algorithm to Brotli (RFC 7932) (#6841)

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* Prefer `Brotli` compression for disk shader cache.

* Final default case for decompression switch.

* Prefer fastest compression.
This commit is contained in:
MutantAura 2024-05-26 19:06:41 +01:00 committed by GitHub
parent 53d096e392
commit 2ebe929fa5
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GPG key ID: B5690EEEBB952194
3 changed files with 41 additions and 5 deletions
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39
src/Ryujinx.Graphics.Gpu/Shader/DiskCache/BinarySerializer.cs
View file

@ -125,9 +125,18 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
CompressionAlgorithm algorithm = CompressionAlgorithm.None;
Read(ref algorithm);
if (algorithm == CompressionAlgorithm.Deflate)
switch (algorithm)
{
_activeStream = new DeflateStream(_stream, CompressionMode.Decompress, true);
case CompressionAlgorithm.None:
break;
case CompressionAlgorithm.Deflate:
_activeStream = new DeflateStream(_stream, CompressionMode.Decompress, true);
break;
case CompressionAlgorithm.Brotli:
_activeStream = new BrotliStream(_stream, CompressionMode.Decompress, true);
break;
default:
throw new ArgumentException($"Invalid compression algorithm \"{algorithm}\"");
}
}
@ -139,9 +148,18 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
{
Write(ref algorithm);
if (algorithm == CompressionAlgorithm.Deflate)
switch (algorithm)
{
_activeStream = new DeflateStream(_stream, CompressionLevel.Fastest, true);
case CompressionAlgorithm.None:
break;
case CompressionAlgorithm.Deflate:
_activeStream = new DeflateStream(_stream, CompressionLevel.Fastest, true);
break;
case CompressionAlgorithm.Brotli:
_activeStream = new BrotliStream(_stream, CompressionLevel.Fastest, true);
break;
default:
throw new ArgumentException($"Invalid compression algorithm \"{algorithm}\"");
}
}
@ -187,6 +205,14 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
}
stream.Dispose();
break;
case CompressionAlgorithm.Brotli:
stream = new BrotliStream(stream, CompressionMode.Decompress, true);
for (int offset = 0; offset < data.Length;)
{
offset += stream.Read(data[offset..]);
}
stream.Dispose();
break;
}
}
@ -210,6 +236,11 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
stream.Write(data);
stream.Dispose();
break;
case CompressionAlgorithm.Brotli:
stream = new BrotliStream(stream, CompressionLevel.Fastest, true);
stream.Write(data);
stream.Dispose();
break;
}
}
}

5
src/Ryujinx.Graphics.Gpu/Shader/DiskCache/CompressionAlgorithm.cs
View file

@ -14,5 +14,10 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
/// Deflate compression (RFC 1951).
/// </summary>
Deflate,
/// <summary>
/// Brotli compression (RFC 7932).
/// </summary>
Brotli,
}
}

2
src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheCommon.cs
View file

@ -51,7 +51,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
/// <returns>Compression algorithm</returns>
public static CompressionAlgorithm GetCompressionAlgorithm()
{
return CompressionAlgorithm.Deflate;
return CompressionAlgorithm.Brotli;
}
}
}