Quantum ffa72c7992 [host] nvfbc: force composition to capture some full screen apps ... NvFBC is unable to capture certain applications that bypasses the DWM compositor, for example, Firefox playing video in full screen. This has been a known issue for a long time with Nvidia's ShadowPlay, see: * https://www.nvidia.com/en-us/geforce/forums/geforce-experience/14/233709/ * https://crbug.com/609857 Nvidia won't fix this, but there are workarounds. For example, we create a transparent 1x1 layered window, which forces desktop composition to be enabled. Note that SetLayeredWindowAttributes also supports alpha-based transparency, but setting transparency to 0 will cause DWM to skip composition. We could use a transparency of 1, but this ruins the image by the slightest bit, which is unacceptable. Therefore, we must use chroma key-based transparency, which tricks DWM into compositing despite being fully transparent.		2021-01-21 12:14:03 +11:00
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windows	[host] nvfbc: force composition to capture some full screen apps	2021-01-21 12:14:03 +11:00