aboutsummaryrefslogtreecommitdiff
path: root/src/Ryujinx.Graphics.Host1x/Host1xDevice.cs
blob: 90dd4fa053d4474b54f745225e8d81a8c298ce6c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Device;
using Ryujinx.Graphics.Gpu.Synchronization;
using System;
using System.Numerics;

namespace Ryujinx.Graphics.Host1x
{
    public sealed class Host1xDevice : IDisposable
    {
        private readonly struct Command
        {
            public int[] Buffer { get; }
            public long ContextId { get; }

            public Command(int[] buffer, long contextId)
            {
                Buffer = buffer;
                ContextId = contextId;
            }
        }

        private readonly SyncptIncrManager _syncptIncrMgr;
        private readonly AsyncWorkQueue<Command> _commandQueue;

        private readonly Devices _devices = new Devices();

        public Host1xClass Class { get; }

        private IDeviceState _device;

        private int _count;
        private int _offset;
        private int _mask;
        private bool _incrementing;

        public Host1xDevice(SynchronizationManager syncMgr)
        {
            _syncptIncrMgr = new SyncptIncrManager(syncMgr);
            _commandQueue = new AsyncWorkQueue<Command>(Process, "Ryujinx.Host1xProcessor");

            Class = new Host1xClass(syncMgr);

            _devices.RegisterDevice(ClassId.Host1x, Class);
        }

        public void RegisterDevice(ClassId classId, IDeviceState device)
        {
            var thi = new ThiDevice(classId, device ?? throw new ArgumentNullException(nameof(device)), _syncptIncrMgr);
            _devices.RegisterDevice(classId, thi);
        }

        public long CreateContext()
        {
            if (_devices.GetDevice(ClassId.Nvdec) is IDeviceStateWithContext nvdec)
            {
                return nvdec.CreateContext();
            }

            return -1;
        }

        public void DestroyContext(long id)
        {
            if (id == -1)
            {
                return;
            }

            if (_devices.GetDevice(ClassId.Nvdec) is IDeviceStateWithContext nvdec)
            {
                nvdec.DestroyContext(id);
            }
        }

        private void SetNvdecContext(long id)
        {
            if (id == -1)
            {
                return;
            }

            if (_devices.GetDevice(ClassId.Nvdec) is IDeviceStateWithContext nvdec)
            {
                nvdec.BindContext(id);
            }
        }

        public void Submit(ReadOnlySpan<int> commandBuffer, long contextId)
        {
            _commandQueue.Add(new Command(commandBuffer.ToArray(), contextId));
        }

        private void Process(Command command)
        {
            SetNvdecContext(command.ContextId);
            int[] commandBuffer = command.Buffer;

            for (int index = 0; index < commandBuffer.Length; index++)
            {
                Step(commandBuffer[index]);
            }
        }

        private void Step(int value)
        {
            if (_mask != 0)
            {
                int lbs = BitOperations.TrailingZeroCount(_mask);

                _mask &= ~(1 << lbs);

                DeviceWrite(_offset + lbs, value);

                return;
            }
            else if (_count != 0)
            {
                _count--;

                DeviceWrite(_offset, value);

                if (_incrementing)
                {
                    _offset++;
                }

                return;
            }

            OpCode opCode = (OpCode)((value >> 28) & 0xf);

            switch (opCode)
            {
                case OpCode.SetClass:
                    _mask = value & 0x3f;
                    ClassId classId = (ClassId)((value >> 6) & 0x3ff);
                    _offset = (value >> 16) & 0xfff;
                    _device = _devices.GetDevice(classId);
                    break;
                case OpCode.Incr:
                case OpCode.NonIncr:
                    _count = value & 0xffff;
                    _offset = (value >> 16) & 0xfff;
                    _incrementing = opCode == OpCode.Incr;
                    break;
                case OpCode.Mask:
                    _mask = value & 0xffff;
                    _offset = (value >> 16) & 0xfff;
                    break;
                case OpCode.Imm:
                    int data = value & 0xfff;
                    _offset = (value >> 16) & 0xfff;
                    DeviceWrite(_offset, data);
                    break;
                default:
                    Logger.Error?.Print(LogClass.Host1x, $"Unsupported opcode \"{opCode}\".");
                    break;
            }
        }

        private void DeviceWrite(int offset, int data)
        {
            _device?.Write(offset * 4, data);
        }

        public void Dispose()
        {
            _commandQueue.Dispose();
            _devices.Dispose();
        }
    }
}