Blender Git Loki

Outliner: Avoid rebuilding tree when mouse-hover highlight changes

OpenGL: add GLSL #version 330, drop 140 and 150

GL 3.3 is the new minimum. Compatibility profile for now, core profile eventually. During development, GL 3.0 (on Mesa) and 2.1 (on Mac) will still work.

Part of T49012

BLF/OpenGL: more text drawing optimization

Make color values compact. Set color once per primitive. Use new immSkipAttrib to avoid useless color copies.

All of this should make text drawing less CPU hungry.

Gawain: new immSkipAttrib function

Now you can explicitly skip a vertex attribute -- you don't give it a value and it won't get a copy of the previous vert's value. Useful for flat interpolated per-primitive values.

This is an advanced feature. Expect garbage in the empty spaces, and copies of garbage if you rely on the attrib copy behavior after skipping.

BLF/OpenGL: accurate vertex count for drawing

We still need to BeginAtMost instead of simple Begin, since some glyphs could be clipped & not drawn.

BLF: make blurry text an optional (disabled) feature

While trying to simplify text drawing, noticed no Blender code uses the blur feature. Hopefully scripts don't use it!

OpenGL: remove some unused legacy matrix calls

Part of T49450

OpenGL: bump Windows to GL 3.3 compat profile

Part of T49012

Gawain: improve immediate mode performance

This was already fast on Apple, but @Severin and @dfelinto noticed slowdowns in user prefs, which is text heavy.

The problem was immBeginAtMost not being smart about VBO write flushing. immBeginAtMost can use all of its allocated range or only a subrange. The previous code was forcing back-to-back draw calls and buffer writes to serialize. This commit lets OpenGL know that our VBO writes never overlap, so there's no need to wait.

Should be much faster now!

Fix unitialized variable use

Own mistake in ae8e8454700.
Patch by @efi0ng, thanks!

Merge branch 'master' into asset-engine

Merge branch 'master' into blender2.8

OpenGL: draw node sockets more efficiently

1 or 2 draw calls per node instead of 1 per socket (inputs + outputs).
Rearranged draw order so we set uniforms less frequently.
Some style & dead code cleanup.

Part of T49043

OpenGL: new built-in point shader, clean up other shader names

Smooth round point with outline (uniform color) and fill (varying color).

Updated shader naming scheme: a shader that doesn't deal with color does not have to say "no color". Vertex shaders do not have to say "uniform color" since their frag counterpart actually has the uniform. Each name should describe what that shader *does*, not what it *doesn't do*.

blender 2.8: OpenGL: node_circle_draw use now immediate mode

I use your new point shader to draw the node's soket

Reviewers: Severin, merwin

Maniphest Tasks: T49043

Differential Revision: https://developer.blender.org/D2286

OpenGL: bump Linux to GL 3.3 compat profile

fall back to 3.0 if needed (during development)

Part of T49012

fix pointer type warning

thanks, gcc

Outliner: Fix missing indentation for search-match highlight

Own mistake in ae8e84547005.

BLF: early exit when drawing empty strings

Avoids all kinds of setup & preparations to draw nothing.

BLF: fix crash on text input fields

Some strings have known length, others are NULL terminated (len = INT_MAX in this case).

Now font drawing knows to treat INT_MAX special.