Blender Git Loki

Code refactor: remove emission and background closures, sum directly.

Cycles: fix inefficient attribute map storage, saves 615MB in victor scene.

Merge branch 'blender2.8' into greasepencil-object

Code refactor: device memory cleanups, preparing for mapped host memory.

Cycles: reserve CUDA local memory ahead of time.

This way we can log the amount of memory used, and it will be important
for host mapped memory support.

Merge branch 'master' into blender2.8

Cleanup: order buffer length after the buffer

Cleanup: remove paranoid NULL check

Cleanup: indentation, line wrapping

Cleanup: spelling

Fix broken macOS build with libsndfile, name is different than in master.

Build coverage into cyles_device to fix linux linking finally, TODO: move files eventually

Tentative fix for linux linking

Merge branch 'blender2.8' into greasepencil-object

Fix delay cleaning previous frame when drawing

The fast drawing was not cleaning the previous frame when the artist create a new one and only was redraw after release mouse.

Tool System: Don't add duplicate keymap items

UI: show tool-tips for each tools shortcuts

Fix crash on trying to save files with GP objects

Quick fix for context being NULL when the thumbnail renderer gets triggered
while trying to save files.

TODO: We need a better solution here for passing eval_ctx down to GP modifiers

Merge branch 'master' into blender2.8

UI: tool-tip refactor, don't hard code field types

Allow other kinds of tips be created w/o exceeding hard limits.