private NvResult GetDeviceFileFromFd(int fd, out NvDeviceFile deviceFile)
{
deviceFile = null;
if (fd < 0)
{
return(NvResult.InvalidParameter);
}
deviceFile = _deviceFileIdRegistry.GetData <NvDeviceFile>(fd);
if (deviceFile == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid file descriptor {fd}");
return(NvResult.NotImplemented);
}
if (deviceFile.Owner.Pid != _owner.Pid)
{
return(NvResult.AccessDenied);
}
return(NvResult.Success);
}
// CreateStrayLayer(u32, u64) -> (u64, u64, buffer<bytes, 6>)
public ResultCode CreateStrayLayer(ServiceCtx context)
{
long layerFlags = context.RequestData.ReadInt64();
long displayId = context.RequestData.ReadInt64();
ulong parcelPtr = context.Request.ReceiveBuff[0].Position;
// TODO: support multi display.
Display disp = _displays.GetData <Display>((int)displayId);
IBinder producer = context.Device.System.SurfaceFlinger.CreateLayer(0, out long layerId);
context.Device.System.SurfaceFlinger.SetRenderLayer(layerId);
Parcel parcel = new Parcel(0x28, 0x4);
parcel.WriteObject(producer, "dispdrv\0");
ReadOnlySpan <byte> parcelData = parcel.Finish();
context.Memory.Write(parcelPtr, parcelData);
context.ResponseData.Write(layerId);
context.ResponseData.Write((long)parcelData.Length);
return(ResultCode.Success);
}
// CreateStrayLayer(u32, u64) -> (u64, u64, buffer<bytes, 6>)
public ResultCode CreateStrayLayer(ServiceCtx context)
{
long layerFlags = context.RequestData.ReadInt64();
long displayId = context.RequestData.ReadInt64();
long parcelPtr = context.Request.ReceiveBuff[0].Position;
Display disp = _displays.GetData <Display>((int)displayId);
IBinder producer = context.Device.System.SurfaceFlinger.CreateLayer(context.Process, out long layerId);
HOSBinderDriverServer.RegisterBinderObject(producer);
Parcel parcel = new Parcel(0x28, 0x4);
parcel.WriteObject(producer, "dispdrv\0");
ReadOnlySpan <byte> parcelData = parcel.Finish();
context.Memory.WriteBytes(parcelPtr, parcelData.ToArray());
context.ResponseData.Write(layerId);
context.ResponseData.Write((long)parcelData.Length);
return(ResultCode.Success);
}
// CreateStrayLayer(u32, u64) -> (u64, u64, buffer<bytes, 6>)
public ResultCode CreateStrayLayer(ServiceCtx context)
{
long layerFlags = context.RequestData.ReadInt64();
long displayId = context.RequestData.ReadInt64();
long parcelPtr = context.Request.ReceiveBuff[0].Position;
Display disp = _displays.GetData <Display>((int)displayId);
byte[] parcel = MakeIGraphicsBufferProducer(parcelPtr);
context.Memory.WriteBytes(parcelPtr, parcel);
context.ResponseData.Write(0L);
context.ResponseData.Write((long)parcel.Length);
return(ResultCode.Success);
}
public long CreateStrayLayer(ServiceCtx Context)
{
long LayerFlags = Context.RequestData.ReadInt64();
long DisplayId = Context.RequestData.ReadInt64();
long ParcelPtr = Context.Request.ReceiveBuff[0].Position;
Display Disp = Displays.GetData <Display>((int)DisplayId);
byte[] Parcel = MakeIGraphicsBufferProducer(ParcelPtr);
AMemoryHelper.WriteBytes(Context.Memory, ParcelPtr, Parcel);
Context.ResponseData.Write(0L);
Context.ResponseData.Write((long)Parcel.Length);
return(0);
}
private IIpcService GetObject(int id)
{
return(_domainObjects.GetData <IIpcService>(id));
}
private IIpcService GetObject(int Id)
{
return(DomainObjects.GetData <IIpcService>(Id));
}
public T GetData <T>(int Handle)
{
return(Handles.GetData <T>(Handle));
}