Add a GetSpan method to the memory manager and use it on GPU (#877)

This commit is contained in:
gdkchan 2020-01-12 20:27:50 -03:00 committed by jduncanator
parent 8b90924c1e
commit b8e3909d80
20 changed files with 93 additions and 48 deletions

View file

@ -27,23 +27,23 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <returns>Byte array with the data</returns>
public byte[] ReadBytes(ulong gpuVa, ulong size)
{
return Read(gpuVa, size).ToArray();
return GetSpan(gpuVa, size).ToArray();
}
/// <summary>
/// Reads data from GPU mapped memory.
/// Gets a read-only span of data from GPU mapped memory.
/// This reads as much data as possible, up to the specified maximum size.
/// </summary>
/// <param name="gpuVa">GPU virtual address where the data is located</param>
/// <param name="maxSize">Maximum size of the data</param>
/// <returns>The data at the specified memory location</returns>
public Span<byte> Read(ulong gpuVa, ulong maxSize)
/// <returns>The span of the data at the specified memory location</returns>
public ReadOnlySpan<byte> GetSpan(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);
return _context.PhysicalMemory.GetSpan(processVa, size);
}
/// <summary>
@ -58,7 +58,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
ulong size = (uint)Marshal.SizeOf<T>();
return MemoryMarshal.Cast<byte, T>(_context.PhysicalMemory.Read(processVa, size))[0];
return MemoryMarshal.Cast<byte, T>(_context.PhysicalMemory.GetSpan(processVa, size))[0];
}
/// <summary>
@ -70,7 +70,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
ulong processVa = _context.MemoryManager.Translate(gpuVa);
return BitConverter.ToInt32(_context.PhysicalMemory.Read(processVa, 4));
return BitConverter.ToInt32(_context.PhysicalMemory.GetSpan(processVa, 4));
}
/// <summary>
@ -82,7 +82,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
ulong processVa = _context.MemoryManager.Translate(gpuVa);
return BitConverter.ToUInt64(_context.PhysicalMemory.Read(processVa, 8));
return BitConverter.ToUInt64(_context.PhysicalMemory.GetSpan(processVa, 8));
}
/// <summary>