Blender Git Loki

Fix error for ghost icon in palette

THe ghost icon was not working with new draw manager because the check was not migrated.

Cleanup comment

Merge branch 'blender2.8' into greasepencil-object

Try to use dynamic memory for shading groups

The reallocation of the memory produce weird things, so we keep allocation maximum number while we found better solution.

Fix error when drawing in an empty frame

If drawing new stroke in an empty frame, but the layer had previous frames, the cache must be set as dirty to avoid segment fault.

Cleanup: Remove unused field

Cleanup: Remove unused code

Merge branch 'blender2.8' into greasepencil-object

Merge branch 'blender2.8' into greasepencil-object

Merge branch 'blender2.8' into greasepencil-object

Fix error when duplicate GP object

When duplicate an object, the cache must be recalculated and is not copied.

Create a separated struct to hold shading groups

Merge branch 'blender2.8' into greasepencil-object

Reproject the point while drawing

If the point is not reprojected and the axis is locked, the thickness of the drawing stroke is different when the stroke is completed.

Reprojecting the stroke drawing buffer simulate the stroke thickness when it will be reprojected in 3D space and get better drawing feedback.

New function to reproject a point

This function will be used while drawing in draw manager gpencil engine

Cleanup: Rename function

Cleanup: extract reproject functions

Merge branch 'blender2.8' into greasepencil-object

Fix segment fault when using eraser

The cache must be marked as dirty after any change operation, and the eraser change the strokes

Fix UI panel problem in properties tab