[Merge] lp:~aacid/qtubuntu/mali_workaround into lp:qtubuntu

[Albert Astals Cid]

Albert Astals Cid has proposed merging lp:~aacid/qtubuntu/mali_workaround into lp:qtubuntu.

Commit message:
Enable workaround_brokenFBOReadBack on the Mali 400

Gives for impressive improvements in QSGDefaultDistanceFieldGlyphCache::storeGlyphs
impressive = 788ms -> 6ms

Requested reviews:
  Ubuntu Phablet Team (phablet-team)

For more details, see:
https://code.launchpad.net/~aacid/qtubuntu/mali_workaround/+merge/294512

Make uploading glyphs to the krillin device much faster


How to test:
 * stop unity8-dash
 * rm .cache/upstart/unity8-dash.log
 * start unity8-dash QSG_RENDER_TIMING=1
 * Browse horizontally through a few scopes
 * grep glyph .cache/upstart/unity8-dash.log

Both with and without this branch.

My results are:

without: http://paste.ubuntu.com/16375060/
with: http://paste.ubuntu.com/16375071/
-- 
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~aacid/qtubuntu/mali_workaround into lp:qtubuntu.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: review-diff.txt
Type: text/x-diff
Size: 1351 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-reviews/attachments/20160512/4c3c4863/attachment.diff>