efb135b74c
* Clear CPU side data on GPU buffer clears * Implement tracked fill operation that can signal other resource types except buffer * Fix tests, add missing XML doc * PR feedback
73 lines
2.9 KiB
C#
73 lines
2.9 KiB
C#
using Ryujinx.Memory.Range;
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namespace Ryujinx.Memory.Tracking
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{
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/// <summary>
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/// A region of memory.
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/// </summary>
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abstract class AbstractRegion : INonOverlappingRange
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{
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/// <summary>
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/// Base address.
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/// </summary>
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public ulong Address { get; }
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/// <summary>
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/// Size of the range in bytes.
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/// </summary>
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public ulong Size { get; protected set; }
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/// <summary>
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/// End address.
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/// </summary>
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public ulong EndAddress => Address + Size;
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/// <summary>
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/// Create a new region.
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/// </summary>
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/// <param name="address">Base address</param>
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/// <param name="size">Size of the range</param>
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protected AbstractRegion(ulong address, ulong size)
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{
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Address = address;
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Size = size;
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}
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/// <summary>
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/// Check if this range overlaps with another.
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/// </summary>
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/// <param name="address">Base address</param>
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/// <param name="size">Size of the range</param>
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/// <returns>True if overlapping, false otherwise</returns>
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public bool OverlapsWith(ulong address, ulong size)
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{
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return Address < address + size && address < EndAddress;
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}
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/// <summary>
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/// Signals to the handles that a memory event has occurred, and unprotects the region. Assumes that the tracking lock has been obtained.
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/// </summary>
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/// <param name="address">Address accessed</param>
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/// <param name="size">Size of the region affected in bytes</param>
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/// <param name="write">Whether the region was written to or read</param>
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/// <param name="exemptId">Optional ID of the handles that should not be signalled</param>
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public abstract void Signal(ulong address, ulong size, bool write, int? exemptId);
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/// <summary>
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/// Signals to the handles that a precise memory event has occurred. Assumes that the tracking lock has been obtained.
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/// </summary>
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/// <param name="address">Address accessed</param>
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/// <param name="size">Size of the region affected in bytes</param>
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/// <param name="write">Whether the region was written to or read</param>
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/// <param name="exemptId">Optional ID of the handles that should not be signalled</param>
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public abstract void SignalPrecise(ulong address, ulong size, bool write, int? exemptId);
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/// <summary>
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/// Split this region into two, around the specified address.
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/// This region is updated to end at the split address, and a new region is created to represent past that point.
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/// </summary>
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/// <param name="splitAddress">Address to split the region around</param>
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/// <returns>The second part of the split region, with start address at the given split.</returns>
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public abstract INonOverlappingRange Split(ulong splitAddress);
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}
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}
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