mirror of
https://github.com/GreemDev/Ryujinx
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1825bd87b4
This is the first commit of a series of reformat around the codebase as discussed internally some weeks ago. This project being one that isn't touched that much, it shouldn't cause conflict with any opened PRs.
61 lines
No EOL
1.7 KiB
C#
61 lines
No EOL
1.7 KiB
C#
using Ryujinx.Audio.Renderer.Utils;
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using Ryujinx.Common;
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using System;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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namespace Ryujinx.Audio.Renderer.Common
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{
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public class WorkBufferAllocator
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{
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public Memory<byte> BackingMemory { get; }
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public ulong Offset { get; private set; }
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public WorkBufferAllocator(Memory<byte> backingMemory)
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{
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BackingMemory = backingMemory;
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}
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public Memory<byte> Allocate(ulong size, int align)
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{
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Debug.Assert(align != 0);
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if (size != 0)
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{
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ulong alignedOffset = BitUtils.AlignUp(Offset, align);
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if (alignedOffset + size <= (ulong)BackingMemory.Length)
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{
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Memory<byte> result = BackingMemory.Slice((int)alignedOffset, (int)size);
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Offset = alignedOffset + size;
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// Clear the memory to be sure that is does not contain any garbage.
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result.Span.Fill(0);
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return result;
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}
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}
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return Memory<byte>.Empty;
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}
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public Memory<T> Allocate<T>(ulong count, int align) where T : unmanaged
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{
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Memory<byte> allocatedMemory = Allocate((ulong)Unsafe.SizeOf<T>() * count, align);
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if (allocatedMemory.IsEmpty)
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{
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return Memory<T>.Empty;
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}
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return SpanMemoryManager<T>.Cast(allocatedMemory);
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}
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public static ulong GetTargetSize<T>(ulong currentSize, ulong count, int align) where T : unmanaged
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{
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return BitUtils.AlignUp(currentSize, align) + (ulong)Unsafe.SizeOf<T>() * count;
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}
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}
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} |