diff --git a/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs b/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs index faaccf13cf..b9b533fb73 100644 --- a/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs +++ b/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs @@ -324,9 +324,27 @@ namespace Ryujinx.Graphics.Gpu.Memory /// The action to call for each modified range public void ReregisterRanges(Action rangeAction) { - ulong currentSync = _context.SyncNumber; - foreach (BufferModifiedRange range in this) + ref var ranges = ref ThreadStaticArray.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) + { + ranges[i++] = range; + } + } + + ulong currentSync = _context.SyncNumber; + for (int i = 0; i < Count; i++) + { + BufferModifiedRange range = ranges[i]; if (range.SyncNumber != currentSync) { rangeAction(range.Address, range.Size);