direct-composition

问题 I was working on a project which uses direct composition based on this Article: Windows with C++ : High-Performance Window Layering Using the Windows Composition Engine I was able to recreate the example and it is working. Currently i'm trying to apply IDCompositionGaussianBlurEffect to My Visual (variable: visual) but the Compiler Throws an Access Violation Exception. Is there any way to Apply the Blur Effect on to my visual using Direct Composition. The Exception: Exception thrown at

问题 First, I want to say that I am a newbie in direct2d usage. My final purpose is to have per pixel transparent window. I have found this nice article : https://docs.microsoft.com/en-us/archive/msdn-magazine/2014/june/windows-with-c-high-performance-window-layering-using-the-windows-composition-engine and it seems that it answers my question. Before writing my per-pixel transparent window, I just tried to test the code in that link. But when I run the program, the disk that should be displayed

问题 Context from Kenny Kerr's blog: Windows Vista introduced a service called the Desktop Window Manager. The name was and continues to be misleading. Think of it as the Windows composition engine or compositor. This composition engine completely changed the way application windows are rendered on the desktop. Rather than allowing each window to render directly to the display, or display adapter, every window renders to an off-screen surface or buffer. The system allocates one such surface per

问题 Context from Kenny Kerr's blog: Windows Vista introduced a service called the Desktop Window Manager. The name was and continues to be misleading. Think of it as the Windows composition engine or compositor. This composition engine completely changed the way application windows are rendered on the desktop. Rather than allowing each window to render directly to the display, or display adapter, every window renders to an off-screen surface or buffer. The system allocates one such surface per