Reference Win32/C++ demos for per-pixel alpha transparency on Windows 10/11 — DWM composition, layered windows, and Vulkan VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR. How to achieve window transparency effects on Windows, including per-pixel alpha-blended composition against underlying windows or the desktop.
windows demo cmake dwm cpp reference graphics vulkan glfw desktop windowing cpp17 transparency win32 sample-code alpha-compositing transparent-window directcomposition layered-window per-pixel-alpha
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Updated
May 23, 2026 - C++