54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Graphics.Gpu.Memory
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{
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class MemoryAccessor
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{
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private GpuContext _context;
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public MemoryAccessor(GpuContext context)
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{
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_context = context;
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}
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public Span<byte> Read(ulong gpuVa, ulong maxSize)
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{
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ulong processVa = _context.MemoryManager.Translate(gpuVa);
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ulong size = Math.Min(_context.MemoryManager.GetSubSize(gpuVa), maxSize);
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return _context.PhysicalMemory.Read(processVa, size);
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}
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public T Read<T>(ulong gpuVa) where T : struct
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{
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ulong processVa = _context.MemoryManager.Translate(gpuVa);
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ulong size = (uint)Marshal.SizeOf<T>();
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return MemoryMarshal.Cast<byte, T>(_context.PhysicalMemory.Read(processVa, size))[0];
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}
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public int ReadInt32(ulong gpuVa)
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{
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ulong processVa = _context.MemoryManager.Translate(gpuVa);
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return BitConverter.ToInt32(_context.PhysicalMemory.Read(processVa, 4));
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}
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public void Write(ulong gpuVa, int value)
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{
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ulong processVa = _context.MemoryManager.Translate(gpuVa);
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_context.PhysicalMemory.Write(processVa, BitConverter.GetBytes(value));
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}
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public void Write(ulong gpuVa, Span<byte> data)
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{
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ulong processVa = _context.MemoryManager.Translate(gpuVa);
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_context.PhysicalMemory.Write(processVa, data);
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}
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}
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} |