Blender Git Loki

Fix problem of VFX double drawing

The vfx pass needs a separate framebuffer to avoid double drawing of the strokes.

If necessary, a full copy of the initial texture is done to be used by all vfx modifiers.

New VFX Wave modifier

Distorsion using sinusoidal wave

Cleanup: Reorganize code

New VFX Gaussian Blur modifier

This modifier works only at viewport level and cannot be applied.

Cleanup: Reorganize code

WIP: Basic structure of VFX Gaussian Blur

This is the first step to implement a system for adding VFX modifiers that are applied to viewport and not to strokes

Hide Apply and Copy button for GP

The VFX modifiers cannot be copied or applied

WIP: Basic shader for gaussian blur

Merge branch 'blender2.8' into greasepencil-object

Minor changes to simplify modifier

Cleanup: Rename function

Cleanup: Remove unnecessary struct

Fix mistake in previous commit

WIP: New simplify modifier

The modifier uses Ramer Douglas Peucker algorith to simplify lines.

New more work to get more control.

Make default object display size smaller

Make edit lines more transparent

Fix select error with Suzanne 2D

The strokes must be created with 3D space flag enabled.

UI: Cleanup error when context object is none

Cleanup: Fix some minor issues in Suzanne 2D

Add a primitive for 2D Suzanne