Christian Hergert: Performance Improvements in Text Editing
I realize I don’t blog much these days, but I do try to keep my Twitter filled with screenshots as I work on GNOME.
Recently I spent some time doing another round of performance improvements in GtkSourceView.
Much work this cycle has focused on submitting work to the GPU more efficiently. For example, Matthias Clasen taught the new OpenGL renderer to submit colors along with glyph vertices so that it could have fewer GL uniform updates along with fewer program switches. This has had the effect of letting us batch common GtkTextView usage into a single glDrawArrays() submission. Great stuff!
I’ve been striving to reach 144hz text scrolling ever since a kind GNOME contributor sent me a 144hz monitor to test with. So with the new bits in place, I took another look at what was slowing us down.
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