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Avoid potential race

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This commit is contained in:
riperiperi 2021-10-07 01:13:51 +01:00
parent c61c1ea898
commit a4956591ec
1 changed files with 20 additions and 2 deletions
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20
Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs
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@ -324,9 +324,27 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="rangeAction">The action to call for each modified range</param> /// <param name="rangeAction">The action to call for each modified range</param>
public void ReregisterRanges(Action<ulong, ulong> rangeAction) public void ReregisterRanges(Action<ulong, ulong> rangeAction)
{ {
ulong currentSync = _context.SyncNumber; ref var ranges = ref ThreadStaticArray<BufferModifiedRange>.Get();
// Range list must be consistent for this operation.
lock (_lock)
{
if (ranges.Length < Count)
{
Array.Resize(ref ranges, Count);
}
int i = 0;
foreach (BufferModifiedRange range in this) foreach (BufferModifiedRange range in this)
{ {
ranges[i++] = range;
}
}
ulong currentSync = _context.SyncNumber;
for (int i = 0; i < Count; i++)
{
BufferModifiedRange range = ranges[i];
if (range.SyncNumber != currentSync) if (range.SyncNumber != currentSync)
{ {
rangeAction(range.Address, range.Size); rangeAction(range.Address, range.Size);