Blender Git Loki

UI: Add icon selector

Now it's possible to select the standard icon used by brush. This can be required when change the brush type and want to back to old icon.

Cleanup: Move enum definition to right file

Cleanup: Group all paint creations in function

UI: Expand brush type icons

The old dropdown list button was too wide and the look of the icons below was strange.

Add missing ID types for Brushes and Grease Pencil

Move layer utility functions into own file

Merge branch '28' into temp-object-multi-mode

Merge branch '28' into temp-object-multi-mode

Merge branch 'blender2.8' into greasepencil-object

Fix cursor error after erase brush

When the brush is not selected, the cursor must be hidden.

Filtering suppoert w/ BKE_view_layer_array_from_*

Fixes mixing non active objects w/o UVs, when using UV tools/selection.

fix warning for cache read function

Merge branch 'blender2.8' into temp-object-multi-mode

cleanup in pointcache.c

UI: Add a text for not linked palettes

I had to use a trick with a disabled button because the template_id collapse when nothing is selected.

Here the operator new is not logic, so we cannot add the common "+ new" button.

UI: Hide cursor color for drawing brushes

UI: Move default color to main brush panel

Increase User number for palettes

Use Brush default color for cursor

If the brush has assigned a default color, the cursor must use this color, not the context default color.

Cycles: Add BVH8 and packeted triangle intersection

This is an initial implementation of BVH8 optimization structure
and packated triangle intersection. The aim is to get faster ray
to scene intersection checks.

Scene BVH4 BVH8
barbershop_interior 10:24.94 10:10.74
bmw27 02:41.25 02:38.83
classroom 08:16.49 07:56.15
fishy_cat 04:24.56 04:17.29
koro 06:03.06 06:01.45
pavillon_barcelona 09:21.26 09:02.98
victor 23:39.65 22:53.71

Original BVH8 patch from Anton Gavrikov.
batched triangles intersection from Victoria Zhislina.
Extra work and tests and fixes from Maxym Dmytrychenko.