Blender Git Loki

Fix UV scale for stroke endcaps

Fix UV coordinates for strokes

Use DRW function to check opengl render

Instead of check global value, use draw manager function to verify if it's running an opengl render.

Merge branch 'blender2.8' into greasepencil-object

Merge branch 'blender2.8' into greasepencil-object

Add warning message to enable passes

This message would be added to the main operator, or maybe if grease pencil is present, enable these passes by default.

Cleanup: Remove unused file

UI: Hide grease pencil paper if not gpencil object

Fix pixelate for negative values

If the object was in negative location, the draw got full opaque.

Fix error for render onion skin

The flag was not working as expected in renders

Rename function macro after merge

Merge branch 'blender2.8' into greasepencil-object

Fix merge error

The line must be after grease pencil code

Merge branch 'blender2.8' into greasepencil-object

Conflicts:
source/blender/draw/intern/draw_manager.c

Merge branch 'blender2.8' into greasepencil-object

Fix merge errors

Merge branch 'blender2.8' into greasepencil-object

Fix merge compiler error

Merge branch 'blender2.8' into greasepencil-object

Conflicts:
source/blender/editors/space_outliner/outliner_select.c
source/blender/editors/space_view3d/view3d_draw_legacy.c
source/blender/makesrna/intern/rna_sculpt_paint.c

Remove duplicate line