private void BringOverlayGeometryIntoDeviceBuffers(D3D10OverlayContext overlayGeometry)
{
Device device = _cachedDevice;
if (device == null || device.IsDisposed)
{
return;
}
// ------------------ Triangle buffer ------------------------------------
{
var buf = (PositionColorIndexedTriangleBuffer)overlayGeometry.PositionColorIndexedTriangleBuffers;
var vertexBuffer = Buffer.Create <float>(device, buf.VertexStream, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = buf.VertexStreamLength,
Usage = ResourceUsage.Default
});
var indexBuffer = Buffer.Create <int>(device, buf.IndexStream, new BufferDescription()
{
BindFlags = BindFlags.IndexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = buf.IndexStreamLength,
Usage = ResourceUsage.Default
});
var indexCount = buf.TriangleCount * 3;
var oldBuffer = System.Threading.Interlocked.Exchange(
ref _overlayGeometryTriangleDeviceBuffer,
new VertexAndIndexDeviceBufferNoMaterial(vertexBuffer: vertexBuffer, vertexCount: buf.VertexCount, indexBuffer: indexBuffer, indexCount: indexCount));
Disposer.RemoveAndDispose(ref oldBuffer);
}
// ------------------ Line list buffer ------------------------------------
{
var buf = (PositionColorLineListBuffer)overlayGeometry.PositionColorLineListBuffer;
var vertexBuffer = Buffer.Create <float>(device, buf.VertexStream, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = buf.VertexStreamLength,
Usage = ResourceUsage.Default
});
var oldBuffer = System.Threading.Interlocked.Exchange(
ref _overlayGeometryLineListBuffer,
new VertexBufferNoMaterial(vertexBuffer: vertexBuffer, vertexCount: buf.VertexCount));
oldBuffer?.Dispose();
}
}
private bool _isDisposed = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
_altaxoDrawingGeometry?.Dispose();
_altaxoDrawingGeometry = null;
_altaxoMarkerGeometry?.Dispose();
_altaxoMarkerGeometry = null;
_altaxoOverlayGeometry?.Dispose();
_altaxoOverlayGeometry = null;
_altaxoCamera = null;
_altaxoLightSettings = null;
}
if (null != _cachedDevice)
{
Detach();
}
_isDisposed = true;
}
}
public void SetOverlayGeometry(D3D10OverlayContext overlayGeometry)
{
_altaxoOverlayGeometry = overlayGeometry;
BringOverlayGeometryIntoDeviceBuffers(overlayGeometry);
}
internal void SetMarkerGeometry(D3D10OverlayContext markerGeometry)
{
_altaxoMarkerGeometry = markerGeometry;
BringMarkerGeometryIntoDeviceBuffers(markerGeometry);
}
