Blender Git Loki

Fix driver expression bytecode validation crash if parsing fails.

Another NULL pointer access: nothing to validate if it already failed.

GP: Rename select group color to materials

Fix a crash when a driver expression evaluates to NaN.

The debug logging statement was accessing a NULL pointer.
Also happens in 2.79.

GP: Initialize new brush factors

Cleanup: use tuples in python according to feedback

Cleanup: use r_ prefix for return args

PyDoc: add gpu.shader

Also some syntax corrections.

Cleanup: style

GPUTexture: Fix problem with glGenerateMipmap

Fix T56789: There was issue with certain driver with glGenerateMipmap and
GPU_DEPTH_COMPONENT24.
In this case we just create a complete texture with mipmaps manually
without downsampling / initializing the data.

GP: Improve errase panel and toolbars

Some names were not clear enough and some parameters were missing.

GP: Add pressure option to eraser size

GP: Some changes to eraser panel

Object Mode: Draw object center after the floorgrid

Object Mode: Make Flat object selectable in ortho view ...

... when wireframe is enabled

Object Mode: Make Flat object outline visible in orthographic view

Motion Paths: interactively update current frame location while dragging.

Motion Paths: only update once when transforming multiple bones or objects.

Fix object motion paths not updating correct after filtering optimization.

Fix OpenColorIO link errors in some Linux builds.

The library can get installed in a lib/static subdirectory, so search there
as well now.

Fix OpenColorIO link errors in some Linux builds.

The library can get installed in a lib/static subdirectory, so search there
as well now.