aboutsummaryrefslogtreecommitdiff
path: root/Ryujinx.HLE/HOS/Services/Sdb/Pl/ISharedFontManager.cs
blob: 001c38e2deaecd7195d7393c283c3c13e5ae7d3c (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
using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using System;

namespace Ryujinx.HLE.HOS.Services.Sdb.Pl
{
    [Service("pl:u")]
    [Service("pl:s")] // 9.0.0+
    class ISharedFontManager : IpcService
    {
        public ISharedFontManager(ServiceCtx context) { }

        [Command(0)]
        // RequestLoad(u32)
        public ResultCode RequestLoad(ServiceCtx context)
        {
            SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();

            // We don't need to do anything here because we do lazy initialization
            // on SharedFontManager (the font is loaded when necessary).
            return ResultCode.Success;
        }

        [Command(1)]
        // GetLoadState(u32) -> u32
        public ResultCode GetLoadState(ServiceCtx context)
        {
            SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();

            // 1 (true) indicates that the font is already loaded.
            // All fonts are already loaded.
            context.ResponseData.Write(1);

            return ResultCode.Success;
        }

        [Command(2)]
        // GetFontSize(u32) -> u32
        public ResultCode GetFontSize(ServiceCtx context)
        {
            SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();

            context.ResponseData.Write(context.Device.System.Font.GetFontSize(fontType));

            return ResultCode.Success;
        }

        [Command(3)]
        // GetSharedMemoryAddressOffset(u32) -> u32
        public ResultCode GetSharedMemoryAddressOffset(ServiceCtx context)
        {
            SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();

            context.ResponseData.Write(context.Device.System.Font.GetSharedMemoryAddressOffset(fontType));

            return ResultCode.Success;
        }

        [Command(4)]
        // GetSharedMemoryNativeHandle() -> handle<copy>
        public ResultCode GetSharedMemoryNativeHandle(ServiceCtx context)
        {
            context.Device.System.Font.EnsureInitialized(context.Device.System.ContentManager);

            if (context.Process.HandleTable.GenerateHandle(context.Device.System.FontSharedMem, out int handle) != KernelResult.Success)
            {
                throw new InvalidOperationException("Out of handles!");
            }

            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);

            return ResultCode.Success;
        }

        [Command(5)]
        // GetSharedFontInOrderOfPriority(bytes<8, 1>) -> (u8, u32, buffer<unknown, 6>, buffer<unknown, 6>, buffer<unknown, 6>)
        public ResultCode GetSharedFontInOrderOfPriority(ServiceCtx context)
        {
            long languageCode = context.RequestData.ReadInt64();
            int  loadedCount  = 0;

            for (SharedFontType type = 0; type < SharedFontType.Count; type++)
            {
                int offset = (int)type * 4;

                if (!AddFontToOrderOfPriorityList(context, type, offset))
                {
                    break;
                }

                loadedCount++;
            }

            context.ResponseData.Write(loadedCount);
            context.ResponseData.Write((int)SharedFontType.Count);

            return ResultCode.Success;
        }

        private bool AddFontToOrderOfPriorityList(ServiceCtx context, SharedFontType fontType, int offset)
        {
            long typesPosition = context.Request.ReceiveBuff[0].Position;
            long typesSize     = context.Request.ReceiveBuff[0].Size;

            long offsetsPosition = context.Request.ReceiveBuff[1].Position;
            long offsetsSize     = context.Request.ReceiveBuff[1].Size;

            long fontSizeBufferPosition = context.Request.ReceiveBuff[2].Position;
            long fontSizeBufferSize     = context.Request.ReceiveBuff[2].Size;

            if ((uint)offset + 4 > (uint)typesSize   ||
                (uint)offset + 4 > (uint)offsetsSize ||
                (uint)offset + 4 > (uint)fontSizeBufferSize)
            {
                return false;
            }

            context.Memory.Write((ulong)(typesPosition + offset), (int)fontType);
            context.Memory.Write((ulong)(offsetsPosition + offset), context.Device.System.Font.GetSharedMemoryAddressOffset(fontType));
            context.Memory.Write((ulong)(fontSizeBufferPosition + offset), context.Device.System.Font.GetFontSize(fontType));

            return true;
        }
    }
}