57 lines
No EOL
2.2 KiB
C#
57 lines
No EOL
2.2 KiB
C#
using System;
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namespace Ryujinx.Graphics.Gpu.Memory
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{
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using CpuMemoryManager = ARMeilleure.Memory.MemoryManager;
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/// <summary>
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/// Represents physical memory, accessible from the GPU.
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/// This is actually working CPU virtual addresses, of memory mapped on the application process.
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/// </summary>
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class PhysicalMemory
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{
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private readonly CpuMemoryManager _cpuMemory;
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/// <summary>
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/// Creates a new instance of the physical memory.
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/// </summary>
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/// <param name="cpuMemory">CPU memory manager of the application process</param>
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public PhysicalMemory(CpuMemoryManager cpuMemory)
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{
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_cpuMemory = cpuMemory;
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}
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/// <summary>
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/// Gets a span of data from the application process.
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/// </summary>
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/// <param name="address">Start address of the range</param>
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/// <param name="size">Size in bytes to be range</param>
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/// <returns>A read only span of the data at the specified memory location</returns>
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public ReadOnlySpan<byte> GetSpan(ulong address, ulong size)
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{
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return _cpuMemory.GetSpan(address, size);
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}
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/// <summary>
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/// Writes data to the application process.
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/// </summary>
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/// <param name="address">Address to write into</param>
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/// <param name="data">Data to be written</param>
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public void Write(ulong address, ReadOnlySpan<byte> data)
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{
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_cpuMemory.WriteBytes((long)address, data.ToArray());
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}
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/// <summary>
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/// Gets the modified ranges for a given range of the application process mapped memory.
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/// </summary>
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/// <param name="address">Start address of the range</param>
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/// <param name="size">Size, in bytes, of the range</param>
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/// <param name="name">Name of the GPU resource being checked</param>
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/// <returns>Ranges, composed of address and size, modified by the application process, form the CPU</returns>
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public (ulong, ulong)[] GetModifiedRanges(ulong address, ulong size, ResourceName name)
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{
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return _cpuMemory.GetModifiedRanges(address, size, (int)name);
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}
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}
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} |