Blender Git Loki

Fix compile error (-Werror=float-conversion).

DopeSheet: Show group colours behind keyframes too

Following @AlonDan's feature request and @hjalti's screenshot yesterday,
I've decided to implement support for this to make it easier to scan which
keyframes correspond with which set of controls, especially when faced with
a large wall of keyframes.

In retrospect, I should've done this a long time ago!

API: Do not show "Created using Sphinx" in the footer

I talked to Campbell and he said there is no need for this

Build dir should be set after the sanity checks

Error here is that if do not have 2012 it switch to 2015 but not change the build dir

BMesh: remove BM_face_create_ngon_vcloud

Instead, add BM_verts_sort_radial_plane
and use regular creation API.

Correct asserts, un-hiding when selected is ok

Cycles: Expose diffuse and glossy depth to Light Path node

Was a bit confusing to have transparent and translucent depth
exposed but no diffuse or glossy.

Reviewers: brecht

Subscribers: eyecandy

Differential Revision: https://developer.blender.org/D2399

Cycles: Don't use fast math for the host code

This is important for the reliable behavior or isnan/isfinite/min/max
functions to work with nan and non-finite values. Some of the issues
with fast math are possible to work around, but didn't find a way to
have reliable min/max implementation yet.

Cycles: Add fast-math safe isnan and isfinite

Currently unused, but might become really handy in the future.

Cycles: Remove using namespace hell

Please NEVER EVER use such a statement, it's only causing HUGE
issues. What is even worse: it's not always possible to immediately
see that the hell is coming from such a statement.

There is still some statements in the existing code, will leave
those for a later cleanup.

GPencil: Add option to create blank frame in active layer only

Now it is possible to select if the blank frame is created in active
layer only or in all layers.

Cleanup: naming, comments assert for hide+selected

BMesh: improve hide-flush internal logic

- flushing hidden state ran when it didn't need to.
- flushing checks didn't early exit when first visible element found.
- low level BM_*_hide API calls like this can use skip iterators
can loop over struct members directly.

No user-visible changes.

OpenGL: convert legacy calls in transform.c

Took pieces from D2316 and D2359, changed a few more things.

- use new immediate mode
- use new matrix stack
- remove state push/pop

Part of T49043 and T49450

UI: Fix capitalization inconsistency

Cycles: Fix amount of rendered samples not being shown while rendering the last tile on CPU

Fix T49807: Inset faces edge rail bug

Fix face-creation with existing hidden geometry

- face-create-extend option could add hidden verts and edges into
the selection history (invalid state).
- faces could be created that included existing hidden edges
that remained hidden (invalid state too).
- newly created faces could copy hidden flag from surrounding faces,
giving very confusing results (looks as if face creation failed).

Surprising nobody noticed these years old bugs!

BMesh: Use angle_signed_on_axis_v3v3v3_v3

Fix strict compiler warning message