diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Gpu/Memory/CounterCache.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Gpu/Memory/CounterCache.cs')
| -rw-r--r-- | Ryujinx.Graphics.Gpu/Memory/CounterCache.cs | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/Ryujinx.Graphics.Gpu/Memory/CounterCache.cs b/Ryujinx.Graphics.Gpu/Memory/CounterCache.cs deleted file mode 100644 index e763a899..00000000 --- a/Ryujinx.Graphics.Gpu/Memory/CounterCache.cs +++ /dev/null @@ -1,191 +0,0 @@ -using Ryujinx.Graphics.GAL; -using System.Collections.Generic; - -namespace Ryujinx.Graphics.Gpu.Memory -{ - /// <summary> - /// Represents the GPU counter cache. - /// </summary> - class CounterCache - { - private readonly struct CounterEntry - { - public ulong Address { get; } - public ICounterEvent Event { get; } - - public CounterEntry(ulong address, ICounterEvent evt) - { - Address = address; - Event = evt; - } - } - - private readonly List<CounterEntry> _items; - - /// <summary> - /// Creates a new instance of the GPU counter cache. - /// </summary> - public CounterCache() - { - _items = new List<CounterEntry>(); - } - - /// <summary> - /// Adds a new counter to the counter cache, or updates a existing one. - /// </summary> - /// <param name="gpuVa">GPU virtual address where the counter will be written in memory</param> - public void AddOrUpdate(ulong gpuVa, ICounterEvent evt) - { - int index = BinarySearch(gpuVa); - - CounterEntry entry = new CounterEntry(gpuVa, evt); - - if (index < 0) - { - _items.Insert(~index, entry); - } - else - { - _items[index] = entry; - } - } - - /// <summary> - /// Handles removal of counters written to a memory region being unmapped. - /// </summary> - /// <param name="sender">Sender object</param> - /// <param name="e">Event arguments</param> - public void MemoryUnmappedHandler(object sender, UnmapEventArgs e) => RemoveRange(e.Address, e.Size); - - private void RemoveRange(ulong gpuVa, ulong size) - { - int index = BinarySearch(gpuVa + size - 1); - - if (index < 0) - { - index = ~index; - } - - if (index >= _items.Count || !InRange(gpuVa, size, _items[index].Address)) - { - return; - } - - int count = 1; - - while (index > 0 && InRange(gpuVa, size, _items[index - 1].Address)) - { - index--; - count++; - } - - // Notify the removed counter events that their result should no longer be written out. - for (int i = 0; i < count; i++) - { - ICounterEvent evt = _items[index + i].Event; - if (evt != null) - { - evt.Invalid = true; - } - } - - _items.RemoveRange(index, count); - } - - /// <summary> - /// Checks whenever an address falls inside a given range. - /// </summary> - /// <param name="startVa">Range start address</param> - /// <param name="size">Range size</param> - /// <param name="gpuVa">Address being checked</param> - /// <returns>True if the address falls inside the range, false otherwise</returns> - private static bool InRange(ulong startVa, ulong size, ulong gpuVa) - { - return gpuVa >= startVa && gpuVa < startVa + size; - } - - /// <summary> - /// Check if any counter value was written to the specified GPU virtual memory address. - /// </summary> - /// <param name="gpuVa">GPU virtual address</param> - /// <returns>True if any counter value was written on the specified address, false otherwise</returns> - public bool Contains(ulong gpuVa) - { - return BinarySearch(gpuVa) >= 0; - } - - /// <summary> - /// Flush any counter value written to the specified GPU virtual memory address. - /// </summary> - /// <param name="gpuVa">GPU virtual address</param> - /// <returns>True if any counter value was written on the specified address, false otherwise</returns> - public bool FindAndFlush(ulong gpuVa) - { - int index = BinarySearch(gpuVa); - if (index > 0) - { - _items[index].Event?.Flush(); - - return true; - } - else - { - return false; - } - } - - /// <summary> - /// Find any counter event that would write to the specified GPU virtual memory address. - /// </summary> - /// <param name="gpuVa">GPU virtual address</param> - /// <returns>The counter event, or null if not present</returns> - public ICounterEvent FindEvent(ulong gpuVa) - { - int index = BinarySearch(gpuVa); - if (index > 0) - { - return _items[index].Event; - } - else - { - return null; - } - } - - /// <summary> - /// Performs binary search of an address on the list. - /// </summary> - /// <param name="address">Address to search</param> - /// <returns>Index of the item, or complement of the index of the nearest item with lower value</returns> - private int BinarySearch(ulong address) - { - int left = 0; - int right = _items.Count - 1; - - while (left <= right) - { - int range = right - left; - - int middle = left + (range >> 1); - - CounterEntry item = _items[middle]; - - if (item.Address == address) - { - return middle; - } - - if (address < item.Address) - { - right = middle - 1; - } - else - { - left = middle + 1; - } - } - - return ~left; - } - } -} |
