These parameters were declared as constants and passed to glTextureView
but then they were removed on a rabase. This addresses that mistake.

This is a leftover from the early yuzu days.
We shouldn't log every time when we are drawing by default, so let's change the log level to Trace.

- This is a blit, use the blit registers.

Co-Authored-By: ReinUsesLisp <reinuseslisp@airmail.cc>

Co-Authored-By: ReinUsesLisp <reinuseslisp@airmail.cc>

Co-Authored-By: ReinUsesLisp <reinuseslisp@airmail.cc>

i965 (and probably all mesa drivers) require GL_PROGRAM_SEPARABLE when using
glProgramBinary. This is probably required by the standard but it's ignored by
permisive proprietary drivers.

Converts many of the Find* functions to return a std::optional<T> as
opposed to returning the raw return values directly. This allows
removing a few assertions and handles error cases like the service
itself does.