Remove 1d glyph positions from nvpr text
Removes the case for x-only glyph positions from nvpr text, opting to
always send 2d glyph positions instead. The 1d glyph positions saved a
bit on memory bandwidth, but ended up a net loss because they required
more updates to the view matrix. Now we can draw an entire paragraph
without touching the GL state, whereas before we would have to update
the view matrix at every new line.
BUG=skia:
Review URL: https://codereview.chromium.org/700283002
2 files changed