After some testing, I've concluded that software depth is better on by default than off. Testing every single game would be too time consuming, and the problems it fixes can be obscure. Enabling FB by default just seems like good sense. A few games need it disabled, but I'll fix them case-by-case.
Do not call glGetError within Glide64::UpdateScreen to check for GL errors generated from Glitch64 functions, as Glitch64 does all the OpenGL handling (even if it is statically linked) and contains code that could be called from a different thread than gfx spec function `UpdateScreen`.
A few lines down in this file, there is a while() loop that removes all trailing spaces to replace them with null bytes, so "SUPER MARIO 64 " becomes "SUPER MARIO 64", whether or not we converted null bytes to spaces. Also, the null byte is not documented to be a valid character for game developers to use in their ROM headers, even though for a few ROMs this is being done anyway.
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