Don't disable depth writes when blending is enabled
Got rid of the texture rotation hack by rendering the cursor manually.
Ensure the material is properly built after creating it
Fix transparency checks
Removing now unused oengine/imagerotate
Oops, rotation center should be dynamic
Merge remote-tracking branch 'zini/master' into transparency-fixes
Merge remote-tracking branch 'scrawl/cursor'
Merge remote-tracking branch 'chris/transparency-fixes'