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using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Vulkan
{
interface ICacheKey : IDisposable
{
bool KeyEqual(ICacheKey other);
}
struct I8ToI16CacheKey : ICacheKey
{
public I8ToI16CacheKey() { }
public bool KeyEqual(ICacheKey other)
{
return other is I8ToI16CacheKey;
}
public void Dispose() { }
}
struct AlignedVertexBufferCacheKey : ICacheKey
{
private readonly int _stride;
private readonly int _alignment;
// Used to notify the pipeline that bindings have invalidated on dispose.
private readonly VulkanRenderer _gd;
private Auto<DisposableBuffer> _buffer;
public AlignedVertexBufferCacheKey(VulkanRenderer gd, int stride, int alignment)
{
_gd = gd;
_stride = stride;
_alignment = alignment;
_buffer = null;
}
public bool KeyEqual(ICacheKey other)
{
return other is AlignedVertexBufferCacheKey entry &&
entry._stride == _stride &&
entry._alignment == _alignment;
}
public void SetBuffer(Auto<DisposableBuffer> buffer)
{
_buffer = buffer;
}
public void Dispose()
{
_gd.PipelineInternal.DirtyVertexBuffer(_buffer);
}
}
struct CacheByRange<T> where T : IDisposable
{
private struct Entry
{
public ICacheKey Key;
public T Value;
public Entry(ICacheKey key, T value)
{
Key = key;
Value = value;
}
}
private Dictionary<ulong, List<Entry>> _ranges;
public void Add(int offset, int size, ICacheKey key, T value)
{
List<Entry> entries = GetEntries(offset, size);
entries.Add(new Entry(key, value));
}
public bool TryGetValue(int offset, int size, ICacheKey key, out T value)
{
List<Entry> entries = GetEntries(offset, size);
foreach (Entry entry in entries)
{
if (entry.Key.KeyEqual(key))
{
value = entry.Value;
return true;
}
}
value = default;
return false;
}
public void Clear()
{
if (_ranges != null)
{
foreach (List<Entry> entries in _ranges.Values)
{
foreach (Entry entry in entries)
{
entry.Key.Dispose();
entry.Value.Dispose();
}
}
_ranges.Clear();
_ranges = null;
}
}
private List<Entry> GetEntries(int offset, int size)
{
if (_ranges == null)
{
_ranges = new Dictionary<ulong, List<Entry>>();
}
ulong key = PackRange(offset, size);
List<Entry> value;
if (!_ranges.TryGetValue(key, out value))
{
value = new List<Entry>();
_ranges.Add(key, value);
}
return value;
}
private static ulong PackRange(int offset, int size)
{
return (uint)offset | ((ulong)size << 32);
}
public void Dispose()
{
Clear();
}
}
}
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