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Ryujinx/Ryujinx/OsHle/Objects/ViIHOSBinderDriver.cs

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C#
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2018-02-04 23:08:20 +00:00
using ChocolArm64.Memory;
using Ryujinx.OsHle.Handles;
using Ryujinx.OsHle.Ipc;
using Ryujinx.OsHle.Utilities;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using static Ryujinx.OsHle.Objects.Android.Parcel;
namespace Ryujinx.OsHle.Objects
{
class ViIHOSBinderDriver
{
private delegate long ServiceProcessRequest(ServiceCtx Context, byte[] ParcelData);
private static Dictionary<(string, int), ServiceProcessRequest> InterfaceMthd =
new Dictionary<(string, int), ServiceProcessRequest>()
{
{ ("android.gui.IGraphicBufferProducer", 0x1), GraphicBufferProducerRequestBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x3), GraphicBufferProducerDequeueBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x7), GraphicBufferProducerQueueBuffer },
//{ ("android.gui.IGraphicBufferProducer", 0x8), GraphicBufferProducerCancelBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x9), GraphicBufferProducerQuery },
{ ("android.gui.IGraphicBufferProducer", 0xa), GraphicBufferProducerConnect },
{ ("android.gui.IGraphicBufferProducer", 0xe), GraphicBufferPreallocateBuffer },
};
private class BufferObj
{
}
public IdPoolWithObj BufferSlots { get; private set; }
public byte[] Gbfr;
public ViIHOSBinderDriver()
{
BufferSlots = new IdPoolWithObj();
}
public static long TransactParcel(ServiceCtx Context)
{
int Id = Context.RequestData.ReadInt32();
int Code = Context.RequestData.ReadInt32();
long DataPos = Context.Request.SendBuff[0].Position;
long DataSize = Context.Request.SendBuff[0].Size;
byte[] Data = AMemoryHelper.ReadBytes(Context.Memory, DataPos, (int)DataSize);
Data = GetParcelData(Data);
using (MemoryStream MS = new MemoryStream(Data))
{
BinaryReader Reader = new BinaryReader(MS);
MS.Seek(4, SeekOrigin.Current);
int StrSize = Reader.ReadInt32();
string InterfaceName = Encoding.Unicode.GetString(Data, 8, StrSize * 2);
if (InterfaceMthd.TryGetValue((InterfaceName, Code), out ServiceProcessRequest ProcReq))
{
return ProcReq(Context, Data);
}
else
{
throw new NotImplementedException($"{InterfaceName} {Code}");
}
}
}
private static long GraphicBufferProducerRequestBuffer(ServiceCtx Context, byte[] ParcelData)
{
ViIHOSBinderDriver BinderDriver = Context.GetObject<ViIHOSBinderDriver>();
int GbfrSize = BinderDriver.Gbfr?.Length ?? 0;
byte[] Data = new byte[GbfrSize + 4];
if (BinderDriver.Gbfr != null)
{
Buffer.BlockCopy(BinderDriver.Gbfr, 0, Data, 0, GbfrSize);
}
return MakeReplyParcel(Context, Data);
}
private static long GraphicBufferProducerDequeueBuffer(ServiceCtx Context, byte[] ParcelData)
{
ViIHOSBinderDriver BinderDriver = Context.GetObject<ViIHOSBinderDriver>();
//Note: It seems that the maximum number of slots is 64, because if we return
//a Slot number > 63, it seems to cause a buffer overrun and it reads garbage.
//Note 2: The size of each object associated with the slot is 0x30.
int Slot = BinderDriver.BufferSlots.GenerateId(new BufferObj());
return MakeReplyParcel(Context, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
private static long GraphicBufferProducerQueueBuffer(ServiceCtx Context, byte[] ParcelData)
{
return MakeReplyParcel(Context, 1280, 720, 0, 0, 0);
}
private static long GraphicBufferProducerCancelBuffer(ServiceCtx Context, byte[] ParcelData)
{
ViIHOSBinderDriver BinderDriver = Context.GetObject<ViIHOSBinderDriver>();
using (MemoryStream MS = new MemoryStream(ParcelData))
{
BinaryReader Reader = new BinaryReader(MS);
MS.Seek(0x50, SeekOrigin.Begin);
int Slot = Reader.ReadInt32();
BinderDriver.BufferSlots.Delete(Slot);
return MakeReplyParcel(Context, 0);
}
}
private static long GraphicBufferProducerQuery(ServiceCtx Context, byte[] ParcelData)
{
return MakeReplyParcel(Context, 0, 0);
}
private static long GraphicBufferProducerConnect(ServiceCtx Context, byte[] ParcelData)
{
return MakeReplyParcel(Context, 1280, 720, 0, 0, 0);
}
private static long GraphicBufferPreallocateBuffer(ServiceCtx Context, byte[] ParcelData)
{
ViIHOSBinderDriver BinderDriver = Context.GetObject<ViIHOSBinderDriver>();
int GbfrSize = ParcelData.Length - 0x54;
BinderDriver.Gbfr = new byte[GbfrSize];
Buffer.BlockCopy(ParcelData, 0x54, BinderDriver.Gbfr, 0, GbfrSize);
using (MemoryStream MS = new MemoryStream(ParcelData))
{
BinaryReader Reader = new BinaryReader(MS);
MS.Seek(0xd4, SeekOrigin.Begin);
int Handle = Reader.ReadInt32();
HNvMap NvMap = Context.Ns.Os.Handles.GetData<HNvMap>(Handle);
Context.Ns.Gpu.Renderer.FrameBufferPtr =
Context.Memory.Manager.GetPhys(NvMap.Address, AMemoryPerm.Read);
}
return MakeReplyParcel(Context, 0);
}
private static long MakeReplyParcel(ServiceCtx Context, params int[] Ints)
{
using (MemoryStream MS = new MemoryStream())
{
BinaryWriter Writer = new BinaryWriter(MS);
foreach (int Int in Ints)
{
Writer.Write(Int);
}
return MakeReplyParcel(Context, MS.ToArray());
}
}
private static long MakeReplyParcel(ServiceCtx Context, byte[] Data)
{
long ReplyPos = Context.Request.ReceiveBuff[0].Position;
long ReplySize = Context.Request.ReceiveBuff[0].Position;
byte[] Reply = MakeParcel(Data, new byte[0]);
AMemoryHelper.WriteBytes(Context.Memory, ReplyPos, Reply);
return 0;
}
public static long AdjustRefcount(ServiceCtx Context)
{
int Id = Context.RequestData.ReadInt32();
int AddVal = Context.RequestData.ReadInt32();
int Type = Context.RequestData.ReadInt32();
return 0;
}
public static long GetNativeHandle(ServiceCtx Context)
{
int Id = Context.RequestData.ReadInt32();
uint Unk = Context.RequestData.ReadUInt32();
Context.Response.HandleDesc = IpcHandleDesc.MakeMove(0xbadcafe);
return 0;
}
}
}