Blender Git Loki

Opengl glaDrawPixels removal: editors/render

OpenGL: Make glaDrawImBuf_glsl functions compatible with new immDrawPixels

And change relevant function calls.

OpenGL immediate mode: new shader image shuffle color

new shader to draw an image with one isolated channel

OpenGL immediate mode: fix asserts in clip dopesheet

OpenGL immediate mode: modifying immDrawPixelsTex

This way OCIO can be used with it.

Clay Engine: fix format (3D instead of 2D)

OpenGL immediate mode: gpu_framebuffer.c

I had to make some changes to the sep_gaussian_blur shader to be compliant for gl 3.3 leap

Merge branch 'workspaces' into temp-workspace-multi-window

Merge branch 'blender2.8' into workspaces

Conflicts:
source/blender/blenloader/intern/readfile.c
source/blender/editors/workspace/screen_draw.c

Add new screen-layouts to all instances of a workspace

Add "Gravitation" option to "Force" type force fields

This adds an option to force fields of type "Force", which enables the
simulation of gravitational behavior (dist^-2 falloff).

Patch by @AndreasE

Reviewers: #physics, LucaRood, mont29

Reviewed By: #physics, LucaRood, mont29

Tags: #physics

Differential Revision: https://developer.blender.org/D2389

small fix for manta function registration

Fix some more minor issue with updated py doc generation.

Fix Py API doc generation - missing new context members definition.

Initial steps to remove layout entities from workspace level

Merge branch 'master' into blender2.8

Fix stupid mistake in previous commit for release builds of API doc.

Update py API doc generation tools to comply to new name scheme on server.

- for rc/release: /api/2.79c/, zip file named blender_python_reference_2.79c_release.zip
- for dev: /api/master/, zip file named blender_python_reference_2_79_4.zip

Usual UI messages fixes...

OpenGl immediate mode: clip_draw.c and clip_graph_draw.c fixes

Fixed little typo in clip_draw.c and special case assert in
clip_graph_draw.c (track segments with single point).

Part of T49043