using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct GraphicBuffer : IFlattenable
public GraphicBufferHeader Header;
public NvGraphicBuffer Buffer;
public int Width => Header.Width;
public int Height => Header.Height;
public PixelFormat Format => Header.Format;
public int Usage => Header.Usage;
public Rect ToRect()
return new Rect(Width, Height);
}
public void Flatten(Parcel parcel)
parcel.WriteUnmanagedType(ref Header);
parcel.WriteUnmanagedType(ref Buffer);
public void Unflatten(Parcel parcel)
Header = parcel.ReadUnmanagedType<GraphicBufferHeader>();
int expectedSize = Unsafe.SizeOf<NvGraphicBuffer>() / 4;
if (Header.IntsCount != expectedSize)
throw new NotImplementedException($"Unexpected Graphic Buffer ints count (expected 0x{expectedSize:x}, found 0x{Header.IntsCount:x})");
Buffer = parcel.ReadUnmanagedType<NvGraphicBuffer>();
public void IncrementNvMapHandleRefCount(ulong pid)
NvMapDeviceFile.IncrementMapRefCount(pid, Buffer.NvMapId);
for (int i = 0; i < Buffer.Surfaces.Length; i++)
NvMapDeviceFile.IncrementMapRefCount(pid, Buffer.Surfaces[i].NvMapHandle);
public void DecrementNvMapHandleRefCount(ulong pid)
NvMapDeviceFile.DecrementMapRefCount(pid, Buffer.NvMapId);
NvMapDeviceFile.DecrementMapRefCount(pid, Buffer.Surfaces[i].NvMapHandle);
public uint GetFlattenedSize()
return (uint)Unsafe.SizeOf<GraphicBuffer>();
public uint GetFdCount()
return 0;