R/Ryujinx.HLE/HOS/Services/Pl/ISharedFontManager.cs

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C#
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using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Pl
{
class ISharedFontManager : IpcService
{
private Dictionary<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
public ISharedFontManager()
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 0, RequestLoad },
{ 1, GetLoadState },
{ 2, GetFontSize },
{ 3, GetSharedMemoryAddressOffset },
{ 4, GetSharedMemoryNativeHandle },
{ 5, GetSharedFontInOrderOfPriority }
};
}
public long 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 0;
}
public long 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 0;
}
public long GetFontSize(ServiceCtx context)
{
SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();
context.ResponseData.Write(context.Device.System.Font.GetFontSize(fontType));
return 0;
}
public long GetSharedMemoryAddressOffset(ServiceCtx context)
{
SharedFontType fontType = (SharedFontType)context.RequestData.ReadInt32();
context.ResponseData.Write(context.Device.System.Font.GetSharedMemoryAddressOffset(fontType));
return 0;
}
public long 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 0;
}
public long 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 0;
}
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.WriteInt32(typesPosition + offset, (int)fontType);
context.Memory.WriteInt32(offsetsPosition + offset, context.Device.System.Font.GetSharedMemoryAddressOffset(fontType));
context.Memory.WriteInt32(fontSizeBufferPosition + offset, context.Device.System.Font.GetFontSize(fontType));
return true;
}
}
}