This post describes the issue of why DirectX 9 Legacy Overlay Planes don't work with Miracast displays on Windows with WDDM 2.0 graphics drivers.

This post describes and provides the workaround to the issue of why video playback may fail when DirectX 9 overlays are required in Windows.

As there are instances where players have experienced interference with other applications when the overlay feature is enabled. Fix #7: Use DirectX 11 mode to play the game.

I wish to simply draw some text on the screen in such a way that it doesn't flicker nor slowdown when over a 3D accelerated window. I will likely wish to use .net but other ways would be useful to ...

AMD ship the final software fix for their DirectX 9 Adrenalin problems The Radeon driver team have moved swiftly to update the new AMD Adrenalin software release to fix the DX9 bugs.