src/Ryujinx.Graphics.Host1x/Host1xClass.cs


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using Ryujinx.Graphics.Device;
using System.Collections.Generic;
using System.Threading;

namespace Ryujinx.Graphics.Host1x
{
    public class Host1xClass : IDeviceState
    {
        private readonly ISynchronizationManager _syncMgr;
        private readonly DeviceState<Host1xClassRegisters> _state;

        public Host1xClass(ISynchronizationManager syncMgr)
        {
            _syncMgr = syncMgr;
            _state = new DeviceState<Host1xClassRegisters>(new Dictionary<string, RwCallback>
            {
                { nameof(Host1xClassRegisters.WaitSyncpt32), new RwCallback(WaitSyncpt32, null) },
            });
        }

        public int Read(int offset) => _state.Read(offset);
        public void Write(int offset, int data) => _state.Write(offset, data);

        private void WaitSyncpt32(int data)
        {
            uint syncpointId = (uint)(data & 0xFF);
            uint threshold = _state.State.LoadSyncptPayload32;

            _syncMgr.WaitOnSyncpoint(syncpointId, threshold, Timeout.InfiniteTimeSpan);
        }
    }
}