Blender Git Loki

DRW: Fix assert with DRW_shgroup_material_instance_create.

Fix T53399: Dopesheet keyframes and the drawing of points were not visible with some Intel cards

GHOST: Windows: Print information on the GPU

fix:T50079 collada matrix and blender matrix are transposed. This was not regarded by the animation importer, so it was creating very odd results

fix: limit precision also for animation matrixes if the limit option is set (gives nicer output for inspection)

New function to check if running opengl render

Fix rotation issues due to matrix to quaternion ambiguities

Reviewers: mont29

Reviewed By: mont29

Subscribers: mont29

Differential Revision: https://developer.blender.org/D3066

Object Mode: exit sculpt on selection

Object Mode: exit vert/weight paint on selection

Was keeping data, since objects no longer store modes,
object mode can't be properly detected.

Vertex Paint: expose exist paint-mode to API

Cleanup: avoid shadowing w/ name 'base'

Code cleanup: deduplicate code for running Python scripts outside Blender.

Tests: add OpenGL UI drawing tests.

This reuses the Cycles regression test code to also work for OpenGL UI drawing.
We launch Blender with a bunch of .blend files, take a screenshot and compare
it with a reference screenshot, and generate a HMTL report showing the failed
tests and their differences.

For Cycles we keep small reference renders to compare to in svn, but for OpenGL
developers currently have to generate the references manually. How to use:

* WITH_OPENGL_DRAW_TESTS=ON in CMake
* BLENDER_TEST_UPDATE=1 ctest -R opengl_draw
* .. make code changes ..
* ctest -R opengl_draw
* open build_dir/tests/opengl_draw/report.html

Differential Revision: https://developer.blender.org/D3064

Tests: split off render report test code from Cycles tests.

This renames test environment variables from CYCLESTEST_* to BLENDER_TEST_*.

Differential Revision: https://developer.blender.org/D3064

Fix bplayer (c)

Merge branch 'master' into blender2.8

Fix bplayer (c)

Fix part II of T53977: Severe problem with multiple instances of a library (save and reload).

Once 'losing lib' issue is fixed (in previous commit), we have new issue
that this could lead to several copies of the same linked data-block in
.blend file. Which is not good. At all.

So had to add a GHash-based check in libraries reading code to ensure we
only load a same ID from a same lib once.

Fix part I of T53977: Severe problem with multiple instances of a library (save and reload).

The issue was that when a same lib was found several times in loaded
.blend, we'd only keep the first occurence. But since Blender expects
next data-blocks to belong to last found library, we could actually
be adding data-blocks assigned to copies of the duplicated lib to
another, totally unrelated lib.

Those data-blocks were then obviously not found when actually loading
libs content, and lost.

Note that this only fix one part of the issue, current code can
generate several copies of same linked data-block now, will fix in
another commit.

Metalball drawing: rename mball helpers to handles

and also rename some related functions