public void WriteToParcel(Parcel parcel)
{
parcel.WriteUInt32(Width);
parcel.WriteUInt32(Height);
parcel.WriteUnmanagedType(ref TransformHint);
parcel.WriteUInt32(NumPendingBuffers);
if (TransformHint.HasFlag(NativeWindowTransform.ReturnFrameNumber))
{
parcel.WriteUInt64(FrameNumber);
}
}
public void Flattern(Parcel parcel)
{
parcel.WriteUnmanagedType(ref Header);
parcel.WriteUnmanagedType(ref Buffer);
}
public void Flatten(Parcel parcel)
{
parcel.WriteUnmanagedType(ref this);
}
public void OnTransact(uint code, uint flags, Parcel inputParcel, Parcel outputParcel)
{
Status status = Status.Success;
int slot;
AndroidFence fence;
QueueBufferInput queueInput;
QueueBufferOutput queueOutput;
NativeWindowApi api;
AndroidStrongPointer <GraphicBuffer> graphicBuffer;
AndroidStrongPointer <AndroidFence> strongFence;
switch ((TransactionCode)code)
{
case TransactionCode.RequestBuffer:
slot = inputParcel.ReadInt32();
status = RequestBuffer(slot, out graphicBuffer);
outputParcel.WriteStrongPointer(ref graphicBuffer);
outputParcel.WriteStatus(status);
break;
case TransactionCode.SetBufferCount:
int bufferCount = inputParcel.ReadInt32();
status = SetBufferCount(bufferCount);
outputParcel.WriteStatus(status);
break;
case TransactionCode.DequeueBuffer:
bool async = inputParcel.ReadBoolean();
uint width = inputParcel.ReadUInt32();
uint height = inputParcel.ReadUInt32();
PixelFormat format = inputParcel.ReadUnmanagedType <PixelFormat>();
uint usage = inputParcel.ReadUInt32();
status = DequeueBuffer(out int dequeueSlot, out fence, async, width, height, format, usage);
strongFence = new AndroidStrongPointer <AndroidFence>(fence);
outputParcel.WriteInt32(dequeueSlot);
outputParcel.WriteStrongPointer(ref strongFence);
outputParcel.WriteStatus(status);
break;
case TransactionCode.DetachBuffer:
slot = inputParcel.ReadInt32();
status = DetachBuffer(slot);
outputParcel.WriteStatus(status);
break;
case TransactionCode.DetachNextBuffer:
status = DetachNextBuffer(out graphicBuffer, out fence);
strongFence = new AndroidStrongPointer <AndroidFence>(fence);
outputParcel.WriteStrongPointer(ref graphicBuffer);
outputParcel.WriteStrongPointer(ref strongFence);
outputParcel.WriteStatus(status);
break;
case TransactionCode.AttachBuffer:
graphicBuffer = inputParcel.ReadStrongPointer <GraphicBuffer>();
status = AttachBuffer(out slot, graphicBuffer);
outputParcel.WriteInt32(slot);
outputParcel.WriteStatus(status);
break;
case TransactionCode.QueueBuffer:
slot = inputParcel.ReadInt32();
queueInput = inputParcel.ReadFlattenable <QueueBufferInput>();
status = QueueBuffer(slot, ref queueInput, out queueOutput);
outputParcel.WriteUnmanagedType(ref queueOutput);
outputParcel.WriteStatus(status);
break;
case TransactionCode.CancelBuffer:
slot = inputParcel.ReadInt32();
fence = inputParcel.ReadFlattenable <AndroidFence>();
CancelBuffer(slot, ref fence);
outputParcel.WriteStatus(Status.Success);
break;
case TransactionCode.Query:
NativeWindowAttribute what = inputParcel.ReadUnmanagedType <NativeWindowAttribute>();
status = Query(what, out int outValue);
outputParcel.WriteInt32(outValue);
outputParcel.WriteStatus(status);
break;
case TransactionCode.Connect:
bool hasListener = inputParcel.ReadBoolean();
IProducerListener listener = null;
if (hasListener)
{
throw new NotImplementedException("Connect with a strong binder listener isn't implemented");
}
api = inputParcel.ReadUnmanagedType <NativeWindowApi>();
bool producerControlledByApp = inputParcel.ReadBoolean();
status = Connect(listener, api, producerControlledByApp, out queueOutput);
outputParcel.WriteUnmanagedType(ref queueOutput);
outputParcel.WriteStatus(status);
break;
case TransactionCode.Disconnect:
api = inputParcel.ReadUnmanagedType <NativeWindowApi>();
status = Disconnect(api);
outputParcel.WriteStatus(status);
break;
case TransactionCode.SetPreallocatedBuffer:
slot = inputParcel.ReadInt32();
graphicBuffer = inputParcel.ReadStrongPointer <GraphicBuffer>();
status = SetPreallocatedBuffer(slot, graphicBuffer);
outputParcel.WriteStatus(status);
break;
default:
throw new NotImplementedException($"Transaction {(TransactionCode)code} not implemented");
}
if (status != Status.Success)
{
Logger.PrintError(LogClass.SurfaceFlinger, $"Error returned by transaction {(TransactionCode)code}: {status}");
}
}