Blender Git Loki

Fluid: Minor UX improvements in Viewport Display

* Changed defaults for interpolation and slicing
* Reduced the thickness of gridlines

Minor formatting changes

Fluid: Refactored gridline display for flag grid

Fluid: Initialised uniform booleans in workbench volume fragment shader

Fluid: Minor UX improvements

Fluid: Minor refactoring changes

Fluid: Limited gridlines to raw grid display

Fluid: Added display support for grid lines

Fluid: Minor refactoring change in workbench volume fragment shader

Using in-built functions instead of conditional operator

Fluid: Modified flag grid display to show flag combinations with unique colors.

Fluid: Added display support for flag grid

Minor merge conflict resolution

Merge branch 'master' into soc-2020-fluid-tools

Fluid: Improvements in Phi grid display

* Changed field texture format from 'GPU_R8' to 'GPU_R16F' for level-set fields to avoid data normalisation.
* Fragment coloring for level-set fields is now dynamic and does not depend on transfer texture.

Merge branch 'master' into soc-2020-fluid-tools

Fluid: Removed the option 'Slicing' in 'Viewport Display'.

Fluid: Adjusted the display thickness in 'Quick Liquid' for more detailed display of phi grids.

Added options to display the liquid grids 'Phi In', 'Phi Out' and 'Phi Obstacle'.

Merge branch 'master' into soc-2020-fluid-tools

Minor clean-up.

Removed an unused variable.