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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Gpu/Memory/CounterCache.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Gpu/Memory/CounterCache.cs')
-rw-r--r--Ryujinx.Graphics.Gpu/Memory/CounterCache.cs191
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;
- }
- }
-}