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Smaller initial size for ModifiedRangeList & directly inherit range list (#2663)

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This fixes a potential regression with the new range list changes, where the cost for creating new ones would be rather large due to creating a 1024 size array. Also reduces cost for range list inheritance by using the first existing range list as a base, rather than creating a new one then adding both lists to it.

The growth size for the RangeList is now identical to its initial size. Every 32 elements was probably a little too common - now it is 1024 for most things and 8 for the buffer modified range list.

The Unmapped and SyncMethod methods have been changed to ensure that they behave properly if the range list is set null. Cleaned up a few calls to use the null-conditional operator.
This commit is contained in:
riperiperi 2021-10-04 19:38:59 +01:00 committed by GitHub
parent 75f4b1ff2d
commit fff48bb45a
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 34 additions and 25 deletions
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25
Ryujinx.Graphics.Gpu/Memory/Buffer.cs
View file

@ -259,10 +259,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="size">The size of the region</param> /// <param name="size">The size of the region</param>
public void ClearModified(ulong address, ulong size) public void ClearModified(ulong address, ulong size)
{ {
if (_modifiedRanges != null) _modifiedRanges?.Clear(address, size);
{
_modifiedRanges.Clear(address, size);
}
} }
/// <summary> /// <summary>
@ -275,7 +272,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (_useGranular) if (_useGranular)
{ {
_modifiedRanges.GetRanges(Address, Size, (address, size) => _modifiedRanges?.GetRanges(Address, Size, (address, size) =>
{ {
_memoryTrackingGranular.RegisterAction(address, size, _externalFlushDelegate); _memoryTrackingGranular.RegisterAction(address, size, _externalFlushDelegate);
SynchronizeMemory(address, size); SynchronizeMemory(address, size);
@ -302,7 +299,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
_syncActionRegistered = true; _syncActionRegistered = true;
} }
EnsureRangeList(); if (_modifiedRanges == null)
{
_modifiedRanges = from._modifiedRanges;
from._modifiedRanges = null;
}
else
{
_modifiedRanges.InheritRanges(from._modifiedRanges, (ulong address, ulong size) => _modifiedRanges.InheritRanges(from._modifiedRanges, (ulong address, ulong size) =>
{ {
if (_useGranular) if (_useGranular)
@ -316,6 +319,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
}); });
} }
} }
}
/// <summary> /// <summary>
/// Determine if a given region of the buffer has been modified, and must be flushed. /// Determine if a given region of the buffer has been modified, and must be flushed.
@ -381,10 +385,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="mSize">Size of the region to force dirty</param> /// <param name="mSize">Size of the region to force dirty</param>
public void ForceDirty(ulong mAddress, ulong mSize) public void ForceDirty(ulong mAddress, ulong mSize)
{ {
if (_modifiedRanges != null) _modifiedRanges?.Clear(mAddress, mSize);
{
_modifiedRanges.Clear(mAddress, mSize);
}
if (_useGranular) if (_useGranular)
{ {
@ -497,7 +498,9 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="size">Size of the unmapped region</param> /// <param name="size">Size of the unmapped region</param>
public void Unmapped(ulong address, ulong size) public void Unmapped(ulong address, ulong size)
{ {
_modifiedRanges?.Clear(address, size); BufferModifiedRangeList modifiedRanges = _modifiedRanges;
modifiedRanges?.Clear(address, size);
UnmappedSequence++; UnmappedSequence++;
} }

4
Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
View file

@ -60,6 +60,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// </summary> /// </summary>
class BufferModifiedRangeList : RangeList<BufferModifiedRange> class BufferModifiedRangeList : RangeList<BufferModifiedRange>
{ {
private const int BackingInitialSize = 8;
private GpuContext _context; private GpuContext _context;
private object _lock = new object(); private object _lock = new object();
@ -68,7 +70,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// Creates a new instance of a modified range list. /// Creates a new instance of a modified range list.
/// </summary> /// </summary>
/// <param name="context">GPU context that the buffer range list belongs to</param> /// <param name="context">GPU context that the buffer range list belongs to</param>
public BufferModifiedRangeList(GpuContext context) public BufferModifiedRangeList(GpuContext context) : base(BackingInitialSize)
{ {
_context = context; _context = context;
} }

12
Ryujinx.Memory/Range/RangeList.cs
View file

@ -33,18 +33,22 @@ namespace Ryujinx.Memory.Range
} }
} }
private const int BackingInitialSize = 1024;
private const int ArrayGrowthSize = 32; private const int ArrayGrowthSize = 32;
private const int BackingGrowthSize = 1024;
private RangeItem<T>[] _items; private RangeItem<T>[] _items;
private readonly int _backingGrowthSize;
public int Count { get; protected set; } public int Count { get; protected set; }
/// <summary> /// <summary>
/// Creates a new range list. /// Creates a new range list.
/// </summary> /// </summary>
public RangeList() /// <param name="backingInitialSize">The initial size of the backing array</param>
public RangeList(int backingInitialSize = BackingInitialSize)
{ {
_items = new RangeItem<T>[BackingGrowthSize]; _backingGrowthSize = backingInitialSize;
_items = new RangeItem<T>[backingInitialSize];
} }
/// <summary> /// <summary>
@ -68,7 +72,7 @@ namespace Ryujinx.Memory.Range
{ {
if (Count + 1 > _items.Length) if (Count + 1 > _items.Length)
{ {
Array.Resize(ref _items, _items.Length + ArrayGrowthSize); Array.Resize(ref _items, _items.Length + _backingGrowthSize);
} }
if (index >= Count) if (index >= Count)