Ryujinx/Ryujinx.HLE/HOS/Services/Pl/ISharedFontManager.cs
gdkchan 7de7b559ad Improve kernel events implementation (#430)
* Improve kernel events implementation

* Some cleanup

* Address PR feedback
2018-09-23 20:11:46 +02:00

130 lines
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4.4 KiB
C#

using Ryujinx.HLE.HOS.Font;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Pl
{
class ISharedFontManager : IpcService
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
public ISharedFontManager()
{
m_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();
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, (SharedFontType)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;
}
}
}