Blender Git Loki

Fix T70249 EEVEE: Light bleeding on SSS translucency

This was caused by 2 things: Shadow map bias and aliasing.

It made the expected depth of the shadowmap further than the surface
itself in some cases. In normal time this leads to light leaking on normal
shadow mapping but here we need to always have the shadowmap depth above
the shading point.

To fix this, we use a 5 tap inflate filter using the minimum depth of all
5 samples. Using these 5 taps, we can deduce entrance surface derivatives
and there orientation towards the light ray. We use these derivatives to
bias the depth to avoid wrong depth at depth discontinuity in the shadowmap.

This bias can lead to some shadowleaks that are less distracting than the
lightleaks it fixes.

We also add a small bias to counteract the shadowmap depth precision.

Fix T68380 Skin modifier root not displayed

Fix T70543 Rigid Body Collision Shape Not Displayed In Viewport

GPencil: Don't apply smooth to position for guides

GPencil: Disable Arc fake points for guides

WIP: Need points for fast circles.

Merge remote-tracking branch 'origin/blender-v2.81-release'

Fix multi-object edit mode and local view/collections

Before this patch you could go to a local view with a single object,
while you had other objects also in edit mode, and your operators would
affect all objects even the ones outside your local view (same for local
collection).

Differential Revision: https://developer.blender.org/D6064

Merge branch 'master' into greasepencil-object

GPencil: Remove Smart Smooth Brush parameter

This parameter is not required because a value of 0.15 is working fine in any OS (this parameter was added to UI to make test of different values).

Workbench: Background Dithering

Background dithering was introduced to solve banding issues on gradient backgrounds.
This patch will enable dithering based on the texture that is used for drawing.
Only when using a GPU_RGBA8 texture the dithering will be enabled.

This disables dithering for final rendering, vertex and texture paint modes.

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D6056

Fix too dark rendering on the Monado runtime

Just like the Windows Mixed Reality runtime, we have to apply a sRGB
OETF to get visually correct-ish looking colors.
We plan to further investigate if it's really WMR and Monado being wrong
here, or if it's Oculus (which doesn't need this additional transform),
but there are some details to check.

Merge branch 'feature/cycles_feature_overrides' into blender-v2.80-develop

Cycles: Renamed diffuse surface override.

CBLND-76

PyAPI: use public API's for module & builtin access

D6038 by @Dormouse

Cleanup: warnings

UI: Remember ID-Filter in-between File Browser calls

This adds the ID-Filters visible on append/link to the settings the file
browser remembers, potentially storing them in the Preferences.

Artists in the studio here requested this. They typically have to set up
the same or similar settings every time, so this saves them from that.

pass context into multi functions

experiment with an interface to specify external data dependencies

remove unused code

separate concept of data types from parameter types