BDA 驱动 for vs2005 c++,for windowsXP DDK,DirectX Show

替代DirectX摄像头驱动的源码，可解决opencv打不开摄像头问题。-DirectX driven alternative camera source, opencv open the camera to resolve the issue.

Creating transparent objects in DirectX is really faily simple. All you have to do is to play with the followring renderstates: device.RenderState.SourceBlend = Blend.SourceAlpha device.RenderState.DestinationBlend = Blend.InvSourceAlpha device.Rende