public override Status Query(NativeWindowAttribute what, out int outValue)
{
lock (Core.Lock)
{
if (Core.IsAbandoned)
{
outValue = 0;
return(Status.NoInit);
}
switch (what)
{
case NativeWindowAttribute.Width:
outValue = Core.DefaultWidth;
return(Status.Success);
case NativeWindowAttribute.Height:
outValue = Core.DefaultHeight;
return(Status.Success);
case NativeWindowAttribute.Format:
outValue = (int)Core.DefaultBufferFormat;
return(Status.Success);
case NativeWindowAttribute.MinUnqueuedBuffers:
outValue = Core.GetMinUndequeuedBufferCountLocked(false);
return(Status.Success);
case NativeWindowAttribute.ConsumerRunningBehind:
outValue = Core.Queue.Count > 1 ? 1 : 0;
return(Status.Success);
case NativeWindowAttribute.ConsumerUsageBits:
outValue = (int)Core.ConsumerUsageBits;
return(Status.Success);
case NativeWindowAttribute.MaxBufferCountAsync:
outValue = Core.GetMaxBufferCountLocked(true);
return(Status.Success);
default:
outValue = 0;
return(Status.BadValue);
}
}
}
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}");
}
}
public abstract Status Query(NativeWindowAttribute what, out int outValue);