Blender Git Loki

Cycles CUDA: reduce stack memory by reusing ShaderData.

57% less for path and 48% less for branched path.

Fix T48395: Grease Pencil, pressing Ekey to sculpt don't work for left click configurations

When using Left Click select, it wasn't possible to sculpt using E+LMB.

I've changed the order of things in the keymap so that the select operator won't
end up catching and blocking all these events.

Curve Fitting: correct circular tangent length calculation

Method for scaling is still not perfect but quite close.

Cycles: Add human readable sizes to debug output

Some of these values can get quite large and are hard to read, adding this
makes it easy to read them at a glance.

Reviewed By: sergey

Differential Revision: https://developer.blender.org/D2039

readfile: avoid library lookups for every id on undo

Instead index libraries, makes minor speedup when using many libraries.

more correct Normal Map node behavior for tangent mapping in Cycles Viewport

Remove accidental static var

BLO_idcode: Move ID_ID last

This lets us use MAX_LIBARRAY to loop over id-codes in Main.

Fix Playercompile

GLSL: Fix magic colors being off

Fix T48456: 2x pixel size clamps min brush size

Using double pixel size prevented 1px brushes

D2044 by @jeske

Revert "BLI_ghash: Fix initial over-allocation of mempool chunks."

Useless change in fact, sorry for the noise.

This reverts commit b08473680e141ab6f28f99fc3b1dbbc4add89bed.

Merge branch 'compositor-2016' of git.blender.org:blender into compositor-2016

only calculate active viewer nodes.

GLSL source code generation

Initial GLSL code generation

Implemented the hilbert spiral

tile manager, start with hilbert spiral

Added weighted samples

Added a prototype for the blur node, to test the needs for sampling