internal unsafe void ReadArray <T>(long position, T[] buffer, int index, int count)
where T : struct
{
uint elementSize = (uint)FastStructure.SizeOf <T>();
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (position > this._view.Size - (elementSize * count))
{
throw new ArgumentOutOfRangeException("position");
}
try
{
byte *ptr = null;
_view.SafeMemoryMappedViewHandle.AcquirePointer(ref ptr);
ptr += _view.ViewStartOffset + position;
FastStructure.ReadArray <T>(buffer, (IntPtr)ptr, index, count);
//for (var i = 0; i < count; i++)
//{
// PtrToStructure(ptr + (i * elementSize), out buffer[index + i]);
//}
}
finally
{
_view.SafeMemoryMappedViewHandle.ReleasePointer();
}
}
public virtual void SimpleImageCaptureLoop()
{
using (var consumer = new CircularBuffer(name: "MySharedMemory", nodeCount: 4, nodeBufferSize: ((8294400 + FastStructure <MetaDataStruct> .Size)) * 2)) // Should be large enough to store 2 full hd raw image data + 4 Size of Struct
{
Stopwatch stopwatch = new Stopwatch();
do
{
stopwatch.Reset();
stopwatch.Start();
try
{
consumer.Read(intPtr =>
{
MetaDataStruct metaData = FastStructure.PtrToStructure <MetaDataStruct>(intPtr);
if (metaData.length > 0)
{
byte[] byteArray = new byte[metaData.length];
FastStructure.ReadArray <byte>(byteArray, intPtr, 0, byteArray.Length);
using (var bm = byteArray.ToBitmap(metaData.width, metaData.height, metaData.pitch, metaData.format))
{
byte[] compressedJpgByteArray = bm.ToByteCompessedArray();
Bitmap bitmap = compressedJpgByteArray.ToBitmap();
pictureBox1.Invoke(new MethodInvoker(delegate()
{
if (pictureBox1.Image != null)
{
pictureBox1.Image.Dispose();
}
pictureBox1.Image = bitmap;
}));
}
}
return(0);
}, timeout: MAX_SLEEP_TIME);
}
catch (TimeoutException exception)
{
Console.WriteLine(exception);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
int timeout = (int)(MAX_SLEEP_TIME - stopwatch.ElapsedMilliseconds);
Thread.Sleep(timeout >= 0 ? timeout : 0);
} while (true);
}
}
/// <summary>
/// Fill the buffer from the source memory location and mark dirty
/// </summary>
/// <param name="ptr">The source memory location</param>
/// <param name="index">The start index within this buffer</param>
/// <param name="count">The number of elements to read</param>
public void CopyFrom(IntPtr src, int index, int count)
{
if (Offset > 0)
{
throw new NotImplementedException(
"Cannot CopyFrom into a subarray"
);
}
if (index + count > Length)
{
throw new OverflowException(
$"index({index}) + count({count}) is larger than Length({Length})"
);
}
FastStructure.ReadArray(data, src, index, count);
Dirty(index, index + count - 1);
}
/// <summary>
/// Consume a single message off the interop message queue
/// </summary>
/// <returns>Number of bytes read</returns>
private int ConsumeMessage()
{
var disconnected = false;
var bytesRead = messages.Read((target, header, ptr) =>
{
// While not connected - only accept connection requests
if (!IsConnected)
{
if (header.type != RpcRequest.Connect)
{
Debug.LogWarning($"Unhandled request type {header.type} for {target} - expected RpcRequest.Connect");
}
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
OnConnectToBlender();
return(0);
}
switch (header.type)
{
case RpcRequest.UpdateBlenderState:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
break;
case RpcRequest.Disconnect:
// Don't call OnDisconnectFromBlender() from within
// the read handler - we want to release the read node
// safely first before disposing the connection.
disconnected = true;
break;
// Viewport messages
case RpcRequest.AddViewport:
AddViewport(
target,
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.RemoveViewport:
RemoveViewport(target);
break;
case RpcRequest.UpdateViewport:
GetViewport(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.UpdateVisibleObjects:
var visibleObjectIds = new int[header.count];
FastStructure.ReadArray(visibleObjectIds, ptr, 0, header.count);
GetViewport(target).SetVisibleObjects(
visibleObjectIds
);
break;
// Object messages
case RpcRequest.AddObjectToScene:
AddObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.RemoveObjectFromScene:
RemoveObject(target);
break;
case RpcRequest.UpdateSceneObject:
UpdateObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
// Mesh messages
case RpcRequest.UpdateTriangles:
GetOrCreateMesh(target)
.triangles
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateVertices:
GetOrCreateMesh(target)
.vertices
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateNormals:
GetOrCreateMesh(target)
.normals
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV:
GetOrCreateMesh(target)
.uv
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV2:
GetOrCreateMesh(target)
.uv2
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV3:
GetOrCreateMesh(target)
.uv3
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateUV4:
GetOrCreateMesh(target)
.uv4
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
case RpcRequest.UpdateVertexColors:
GetOrCreateMesh(target)
.colors
.Resize(header.length)
.CopyFrom(ptr, header.index, header.count);
break;
// TODO: ... and so on for weights/bones/etc
case RpcRequest.UpdateMesh:
GetOrCreateMesh(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropMesh>(ptr)
);
break;
// Texture messages
case RpcRequest.UpdateTexture:
GetTexture(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropTexture>(ptr)
);
break;
case RpcRequest.UpdateTextureData:
GetTexture(target).CopyFrom(
ptr, header.index, header.count, header.length
);
break;
default:
Debug.LogWarning($"Unhandled request type {header.type} for {target}");
break;
}
// TODO: Necessary to count bytes? We won't read anything off this
// buffer at this point so it's safe to drop the whole thing.
// bytesRead will count the header size (indicating a message *was* read)
return(0);
});
// Handle any disconnects that may have occured during the read
if (disconnected)
{
OnDisconnectFromBlender();
}
return(bytesRead);
}
/// <summary>
/// Handle any messages coming from Blender
/// </summary>
private void ConsumeMessages()
{
Profiler.BeginSample("Consume Message");
var disconnected = false;
// TODO: Some messages should be skipped if !IsConnected.
// Otherwise we may get a bad state. E.g. we see a disconnect
// from Blender and THEN some other viewport/object data messages.
messages.Read((target, header, ptr) =>
{
ObjectController obj;
switch (header.type)
{
case RpcRequest.Connect:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
OnConnectToBlender();
break;
case RpcRequest.UpdateBlenderState:
blenderState = FastStructure.PtrToStructure <InteropBlenderState>(ptr);
break;
case RpcRequest.Disconnect:
// Don't call OnDisconnectFromBlender() from within
// the read handler - we want to release the read node
// safely first before disposing the connection.
disconnected = true;
break;
case RpcRequest.AddViewport:
AddViewport(
target,
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.RemoveViewport:
RemoveViewport(target);
break;
case RpcRequest.UpdateViewport:
GetViewport(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropViewport>(ptr)
);
break;
case RpcRequest.UpdateVisibleObjects:
var visibleObjectIds = new int[header.count];
FastStructure.ReadArray(visibleObjectIds, ptr, 0, header.count);
GetViewport(target).SetVisibleObjects(
visibleObjectIds
);
break;
case RpcRequest.AddObjectToScene:
AddObject(
target,
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.RemoveObjectFromScene:
RemoveObject(target);
break;
case RpcRequest.UpdateSceneObject:
GetObject(target).UpdateFromInterop(
FastStructure.PtrToStructure <InteropSceneObject>(ptr)
);
break;
case RpcRequest.UpdateTriangles:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateTriangleBuffer(), ptr, header.index, header.count);
obj.OnUpdateTriangleRange(header.index, header.count);
break;
case RpcRequest.UpdateVertices:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateVertexBuffer(), ptr, header.index, header.count);
obj.OnUpdateVertexRange(header.index, header.count);
break;
case RpcRequest.UpdateNormals:
obj = GetObject(target);
FastStructure.ReadArray(obj.GetOrCreateNormalBuffer(), ptr, header.index, header.count);
obj.OnUpdateNormalRange(header.index, header.count);
break;
// TODO: ... and so on for UV/weights
default:
Debug.LogWarning($"Unhandled request type {header.type} for {target}");
break;
}
// TODO: Necessary to count bytes? We won't read anything off this
// buffer at this point so it's safe to drop the whole thing.
return(0);
});
// Handle any disconnects that may have occured during the read
if (disconnected)
{
OnDisconnectFromBlender();
}
Profiler.EndSample();
}
