ryujinx/Ryujinx.Core/Hid/HidTouchScreen.cs

using System.Runtime.InteropServices;

namespace Ryujinx.Core
{
    [StructLayout(LayoutKind.Sequential, Size = 0x28)]
    public struct HidTouchScreenHeader
    {
        public ulong TimestampTicks;
        public ulong NumEntries;
        public ulong LatestEntry;
        public ulong MaxEntryIndex;
        public ulong Timestamp;
    }

    [StructLayout(LayoutKind.Sequential, Size = 0x10)]
    public struct HidTouchScreenEntryHeader
    {
        public ulong Timestamp;
        public ulong NumTouches;
    }

    [StructLayout(LayoutKind.Sequential, Size = 0x28)]
    public struct HidTouchScreenEntryTouch
    {
        public ulong Timestamp;
        public uint Padding;
        public uint TouchIndex;
        public uint X;
        public uint Y;
        public uint DiameterX;
        public uint DiameterY;
        public uint Angle;
        public uint Padding_2;
    }

    [StructLayout(LayoutKind.Sequential, Size = 0x298)]
    public struct HidTouchScreenEntry
    {
        public HidTouchScreenEntryHeader Header;
        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
        public HidTouchScreenEntryTouch[] Touches; 
        public ulong Unknown;
    }

    [StructLayout(LayoutKind.Sequential, Size = 0x3000)]
    public struct HidTouchScreen
    {
        public HidTouchScreenHeader Header;
        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 17)]
        public HidTouchScreenEntry[] Entries;
        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x3C0)]
        public byte[] Padding;
    }
}