public void SetOverlayGeometry(D3D10OverlayContext overlayGeometry)
{
_overlayGeometry = overlayGeometry;
BringOverlayGeometryIntoDeviceBuffers(overlayGeometry);
}
private void BringOverlayGeometryIntoDeviceBuffers(D3D10OverlayContext overlayGeometry)
{
Device device = _hostDevice;
if (device == null)
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 devBuffer = new VertexAndIndexDeviceBufferNoMaterial { VertexBuffer = vertexBuffer, VertexCount = buf.VertexCount, IndexBuffer = indexBuffer, IndexCount = indexCount };
var oldBuffer = System.Threading.Interlocked.Exchange(ref _overlayGeometryTriangleDeviceBuffer, devBuffer);
oldBuffer?.RemoveAndDispose();
}
// ------------------ 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 devBuffer = new VertexBufferNoMaterial { VertexBuffer = vertexBuffer, VertexCount = buf.VertexCount };
var oldBuffer = System.Threading.Interlocked.Exchange(ref _overlayGeometryLineListBuffer, devBuffer);
oldBuffer?.RemoveAndDispose();
}
}
internal void SetMarkerGeometry(D3D10OverlayContext markerGeometry)
{
_markerGeometry = markerGeometry;
BringMarkerGeometryIntoDeviceBuffers(markerGeometry);
}