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Lima can't do *both* FP16 *and* 4x MSAA at the same time. And because GLES2 requires MAX_SAMPLES to be valid for *all* supported formats, this means we can't support MSAA at all unless we disable support for the FP16 formats when used as render-targets. To allow applications that needs FP16 render-targets to still support it, we introduce a driconf that makes the opposite trade; support FP16, but not 4x MSAA. Unfortunately, we can't support both, and still be following the spec. Reviewed-by: Erico Nunes <nunes.erico@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35207>