R/Ryujinx.Graphics.Host1x/ThiDevice.cs

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using Ryujinx.Common;
using Ryujinx.Graphics.Device;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Host1x
{
class ThiDevice : IDeviceStateWithContext, IDisposable
{
private readonly ClassId _classId;
private readonly IDeviceState _device;
private readonly SyncptIncrManager _syncptIncrMgr;
private long _currentContextId;
private long _previousContextId;
private class CommandAction
{
public long ContextId { get; }
public int Data { get; }
public CommandAction(long contextId, int data)
{
ContextId = contextId;
Data = data;
}
}
private class MethodCallAction : CommandAction
{
public int Method { get; }
public MethodCallAction(long contextId, int method, int data) : base(contextId, data)
{
Method = method;
}
}
private class SyncptIncrAction : CommandAction
{
public SyncptIncrAction(long contextId, uint syncptIncrHandle) : base(contextId, (int)syncptIncrHandle)
{
}
}
private readonly AsyncWorkQueue<CommandAction> _commandQueue;
private readonly DeviceState<ThiRegisters> _state;
public ThiDevice(ClassId classId, IDeviceState device, SyncptIncrManager syncptIncrMgr)
{
_classId = classId;
_device = device;
_syncptIncrMgr = syncptIncrMgr;
_commandQueue = new AsyncWorkQueue<CommandAction>(Process, $"Ryujinx.{classId}Processor");
_state = new DeviceState<ThiRegisters>(new Dictionary<string, RwCallback>
{
{ nameof(ThiRegisters.IncrSyncpt), new RwCallback(IncrSyncpt, null) },
{ nameof(ThiRegisters.Method1), new RwCallback(Method1, null) }
});
_previousContextId = -1;
}
public long CreateContext()
{
if (_device is IDeviceStateWithContext deviceWithContext)
{
return deviceWithContext.CreateContext();
}
return -1;
}
public void DestroyContext(long id)
{
if (_device is IDeviceStateWithContext deviceWithContext)
{
deviceWithContext.DestroyContext(id);
}
}
public void BindContext(long id)
{
_currentContextId = id;
}
public int Read(int offset) => _state.Read(offset);
public void Write(int offset, int data) => _state.Write(offset, data);
private void IncrSyncpt(int data)
{
uint syncpointId = (uint)(data & 0xFF);
uint cond = (uint)((data >> 8) & 0xFF); // 0 = Immediate, 1 = Done
if (cond == 0)
{
_syncptIncrMgr.Increment(syncpointId);
}
else
{
_commandQueue.Add(new SyncptIncrAction(_currentContextId, _syncptIncrMgr.IncrementWhenDone(_classId, syncpointId)));
}
}
private void Method1(int data)
{
_commandQueue.Add(new MethodCallAction(_currentContextId, (int)_state.State.Method0 * 4, data));
}
private void Process(CommandAction cmdAction)
{
long contextId = cmdAction.ContextId;
if (contextId != _previousContextId)
{
_previousContextId = contextId;
if (_device is IDeviceStateWithContext deviceWithContext)
{
deviceWithContext.BindContext(contextId);
}
}
if (cmdAction is SyncptIncrAction syncptIncrAction)
{
_syncptIncrMgr.SignalDone((uint)syncptIncrAction.Data);
}
else if (cmdAction is MethodCallAction methodCallAction)
{
_device.Write(methodCallAction.Method, methodCallAction.Data);
}
}
public void Dispose() => _commandQueue.Dispose();
}
}