Official release thread for WindowCast core

WindowCast for Libretro (formerly WGC Window Capture) Libretro core to capture the contents of another window for video processing. This is useful, for say, capturing the output of a standalone emulator (like xemu, Dolphin standalone, RPCS3 or PCSX2 nightlies) or a PC game running in a window and then processing it with RetroArch’s shader stack. Here’s an example of the core in action, capturing Dead Cells (image courtesy of HyperspaceMadness). Download I plan to eventually have this core d...