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using System;
namespace Ryujinx.Memory.Tracking
{
public interface IMultiRegionHandle : IDisposable
{
/// <summary>
/// True if any write has occurred to the whole region since the last use of QueryModified (with no subregion specified).
/// </summary>
bool Dirty { get; }
/// <summary>
/// Force the range of handles to be dirty, without reprotecting.
/// </summary>
/// <param name="address">Start address of the range</param>
/// <param name="size">Size of the range</param>
public void ForceDirty(ulong address, ulong size);
/// <summary>
/// Check if any part of the region has been modified, and perform an action for each.
/// Contiguous modified regions are combined.
/// </summary>
/// <param name="modifiedAction">Action to perform for modified regions</param>
void QueryModified(Action<ulong, ulong> modifiedAction);
/// <summary>
/// Check if part of the region has been modified within a given range, and perform an action for each.
/// The range is aligned to the level of granularity of the contained handles.
/// Contiguous modified regions are combined.
/// </summary>
/// <param name="address">Start address of the range</param>
/// <param name="size">Size of the range</param>
/// <param name="modifiedAction">Action to perform for modified regions</param>
void QueryModified(ulong address, ulong size, Action<ulong, ulong> modifiedAction);
/// <summary>
/// Check if part of the region has been modified within a given range, and perform an action for each.
/// The sequence number provided is compared with each handle's saved sequence number.
/// If it is equal, then the handle's dirty flag is ignored. Otherwise, the sequence number is saved.
/// The range is aligned to the level of granularity of the contained handles.
/// Contiguous modified regions are combined.
/// </summary>
/// <param name="address">Start address of the range</param>
/// <param name="size">Size of the range</param>
/// <param name="modifiedAction">Action to perform for modified regions</param>
/// <param name="sequenceNumber">Current sequence number</param>
void QueryModified(ulong address, ulong size, Action<ulong, ulong> modifiedAction, int sequenceNumber);
/// <summary>
/// Signal that one of the subregions of this multi-region has been modified. This sets the overall dirty flag.
/// </summary>
void SignalWrite();
}
}
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