Blender Git Loki

Fix viewport camera gets out of sync in certain cases

It was possible to have two viewports opened and start using Ctrl-0
to make different objects an active camera for the viewport. This
worked fine for viewports which had decoupled camera from the scene,
but if viewport was locked to scene camera it was possible to run into
situation when two different viewports are locked to scene camera but
had different v3d->camera pointers.

Cycles: Add comments to endif directives

`kernel_path.h` and `kernel_path_branched.h` have a lot of conditional code and it was kind of hard to read, things should be
better now.

OpenGL render: Fix missing file output after pressing Esc

Apparently, the whole G.is_break is not used by OpenGL render, meaning
this flag will not be clear before running the operator. This was
causing missing file output after pressing Esc once for the rest of
Blender session.

Merge branch 'master' into blender2.8

Conflicts:
source/blender/blenloader/intern/readfile.c
source/blender/editors/space_view3d/view3d_draw.c

Merge remote-tracking branch 'origin/master' into soc-2016-uv_tools

blender 2.8; OpenGL. ui_panel_category_draw_tab with immediate API

Reviewers: dfelinto, Severin, merwin

Reviewed By: merwin

Tags: #bf_blender_2.8, #opengl_gfx

Maniphest Tasks: T49043

Differential Revision: https://developer.blender.org/D2281

OpenGL: remove GLSL support query (it's always supported)

remove call to GLSL support query (it's always supported)

Reworked logic in the one place that still called this. Deleted the "GLSL not supported" fallback.

(equivalent to rB78abbdf26451 on blender2.8 branch)

BGE: remove calls to GLSL support query (it's always supported)

Reworked logic in the few places that still called this. Deleted the "GLSL not supported" fallbacks.

Also removed some nearby checks for ARB_multitexture and OpenGL 1.1. Blender 2.77 removed checks like this, but game engine still has some.

OpenGL: remove GLSL support query (it's always supported)

remove call to GLSL support query (it's always supported)

Reworked logic in the one place that still called this. Deleted the "GLSL not supported" fallback.

BGE: remove calls to GLSL support query (it's always supported)

Reworked logic in the few places that still called this. Deleted the "GLSL not supported" fallbacks.

Also removed some nearby checks for ARB_multitexture and OpenGL 1.1. Blender 2.77 removed checks like this, but game engine still has some.

OpenGL: plug new matrix system into shaders (WIP)

Built-in shaders now use uniforms instead of legacy built-in matrices. So far I only hooked this up for new immediate mode.

We use the same matrix naming convention as OpenGL, but without the gl_ prefix, e.g. gl_ModelView becomes ModelView.

Right now it can skip the new matrix stack and use the legacy built-in matrices app-side. This will help us transition gradually from glMatrix functions to gpuMatrix functions.

Still some work to do in gpuBindMatrices. See TODO comments in gpu_matrix.c for specifics.

OpenGL: Draw dividers in space_file with the new immediate mode

Thanks to @merwin for the review

Part of T49043

fix shaders for picky GLSL compilers

@zeauro reported this issue:
texture2DRect needs the ARB_texture_rectangle extension.
But isn't that an OpenGL 2.1 feature and should be part of GLSL 1.2+?

This should fix it, and future shaders should do something similar.

Cycles: Split device_opencl.cpp into multiple files for easier maintenance

There are no user-visible changes, just some internal restructuring.

Differential Revision: https://developer.blender.org/D2231

added split shards to island support for dynamic fracture (works only good if there are multiple islands)

Fix T49609: Point density textures: vertex colors are not properly averaged in BI

Nice to have in 2.78a, though not a regression.

Move interocular distance settings out of camera data

These aren't just for the camera, but for entire HMD session.

Move HMD view settings into own scene level struct

For some reason I placed this in RenderData earlier.