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