[Bf-viewport] Viewport drawing flow

[Brecht Van Lommel]

Hi Dalai,

I think this makes a lot of sense, I don't have much to add.

Depth of field and color management would have to fit in somewhere, I
don't if they would best be applied to the solid plate or if the
geometry overlay and other elements should be affected as well so that
they match up properly.

If/when we support compositing nodes in the viewport, their input
could be one or more solid plates (defined by render layers), which
would then be composed to output a combined solid plate. Grease pencil
layers could be part of that as well (when used for artistic purposes,
not for annotations).

Regards,
Brecht.


On Wed, Oct 5, 2016 at 10:26 PM, Dalai Felinto <dfelinto at gmail.com> wrote:
> Hi there,
>
> Part of the challenge of the viewport project is to consolidate a
> state-of-the-art PBR realitme pipeline with our more mundane drawing
> requirements (widgets, image references, outline, ...).
>
> I/we put together a diagram that tries to unify them both, taking as a
> reference for PBR the implementation Clément wrote last month [1].
>
> https://docs.google.com/drawings/d/1MGKl2fnZ5h8Z7RyM67ogIUWcFD0A5I5vZhIN2BnawSM/edit?usp=sharing
>
> I hope to address eventual feedbacks soon so we land a final design
> for this. Followed by start porting over the already converted plates
> (wires, grid, grease pencil)  to the new view3d_draw.c file.
>
> Initially this will be done directly in the color buffer, just to
> start compartmentalizing the functions, and later we start worrying
> about FBO, other buffers and compositing the plates together.
>
> [1] - https://wiki.blender.org/index.php/Dev:2.8/Viewport/PBR_Pipeline
>
> Thanks,
> Dalai
> --
> blendernetwork.org/dalai-felinto
> www.dalaifelinto.com
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