Add OpenGL Shim #1503
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Add OpenGL Shim #1503
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Since this library is preloaded, it will be preloaded into any arbitrary application in the way to the program/game. When one of these applications share dependencies with mangohud and they use different version of the library which are incompatible, a crash happens. To resolve this we create a shim library that only depends on libc. The shim preloads and hooks opengl swapbuffers and then loads mangohud. If there is no swapbuffers, there's no opengl context and no reason to load mangohud. This way we don't preload into arbitrary applications and prevent crashing.
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