On Sun, Feb 8, 2009 at 11:49 PM, Colin D Bennett <co...@gibibit.com> wrote: > This patch greatly—*tremendously*, even, if higher-numbered Unicode > characters are used—speeds up retrieving a glyph for a particular > Unicode character. This makes text rendering in general much faster. > > My text benchmark shows the new text rendering speed is somewhere from > 2.6x to 31x of the previous speed. Basically, PFF2 font files are now > required to have the character index ordered in ascending order of code > point. > > Fonts created by 'grub-mkfont' already satisfy this requirement. Fonts > created by my old Java 'fonttool' do not, and cannot be used any longer. > > The font loader verifies that fonts fulfill the character ordering > requirement, refusing to load invalid fonts, but the primary change is > in the 'find_glyph()' function, which now uses a binary search rather > than a linear search to find the glyph. There were no oppositions to this patch and it still applies cleanly (except Changelog). If it's ok with you I'll commit this patch > > Regards, > Colin
> > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > http://lists.gnu.org/mailman/listinfo/grub-devel > > -- Regards Vladimir 'phcoder' Serbinenko _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
