public bool CloseLayer(long layerId)
{
lock (Lock)
{
Layer layer = GetLayerByIdLocked(layerId);
if (layer != null)
{
HOSBinderDriverServer.UnregisterBinderObject(layer.ProducerBinderId);
}
bool removed = _layers.Remove(layerId);
// If the layer was removed and the current in use, we need to change the current layer in use.
if (removed && RenderLayerId == layerId)
{
// If no layer is availaible, reset to default value.
if (_layers.Count == 0)
{
SetRenderLayer(0);
}
else
{
SetRenderLayer(_layers.Last().Key);
}
}
return(removed);
}
}
private void CreateLayerFromId(long pid, long layerId)
{
lock (Lock)
{
Logger.Info?.Print(LogClass.SurfaceFlinger, $"Creating layer {layerId}");
BufferQueueCore core = BufferQueue.CreateBufferQueue(_device, pid, out BufferQueueProducer producer, out BufferQueueConsumer consumer);
core.BufferQueued += () =>
{
_nextFrameEvent.Set();
};
_layers.Add(layerId, new Layer
{
ProducerBinderId = HOSBinderDriverServer.RegisterBinderObject(producer),
Producer = producer,
Consumer = new BufferItemConsumer(_device, consumer, 0, -1, false, this),
Core = core,
Owner = pid
});
LastId = layerId;
}
}
public ResultCode DestroyStrayLayer(long layerId)
{
lock (Lock)
{
Layer layer = GetLayerByIdLocked(layerId);
if (layer == null)
{
Logger.Error?.Print(LogClass.SurfaceFlinger, $"Failed to destroy stray layer {layerId} (not found)");
return(ResultCode.InvalidValue);
}
if (layer.State != LayerState.Stray)
{
Logger.Error?.Print(LogClass.SurfaceFlinger, $"Failed to destroy stray layer {layerId} (permission denied)");
return(ResultCode.PermissionDenied);
}
HOSBinderDriverServer.UnregisterBinderObject(layer.ProducerBinderId);
if (_layers.Remove(layerId))
{
CloseLayer(layerId, layer);
}
return(ResultCode.Success);
}
}
public bool CloseLayer(long layerId)
{
lock (Lock)
{
Layer layer = GetLayerByIdLocked(layerId);
if (layer != null)
{
HOSBinderDriverServer.UnregisterBinderObject(layer.ProducerBinderId);
}
return(_layers.Remove(layerId));
}
}
public void WriteObject <T>(T obj, string serviceName) where T : IBinder
{
FlatBinderObject flatBinderObject = new FlatBinderObject
{
Type = 2,
Flags = 0,
BinderId = HOSBinderDriverServer.GetBinderId(obj),
};
Encoding.ASCII.GetBytes(serviceName).CopyTo(flatBinderObject.ServiceName);
WriteUnmanagedType(ref flatBinderObject);
// TODO: figure out what this value is
WriteInplaceObject(new byte[4] {
0, 0, 0, 0
});
}
private void CreateLayerFromId(KProcess process, long layerId)
{
lock (Lock)
{
Logger.PrintInfo(LogClass.SurfaceFlinger, $"Creating layer {layerId}");
BufferQueue.CreateBufferQueue(_device, process, out BufferQueueProducer producer, out BufferQueueConsumer consumer);
_layers.Add(layerId, new Layer
{
ProducerBinderId = HOSBinderDriverServer.RegisterBinderObject(producer),
Producer = producer,
Consumer = new BufferItemConsumer(_device, consumer, 0, -1, false, this),
Owner = process
});
LastId = layerId;
}
}