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Note: Metaballs only support the first material slot. Splicing it per
material would create empty Batches. In order to overcome this we set
the batch for other materials to NULL. We added extra checks in EEVEE
and Workbench to not draw when the geom is NULL.
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This make the limited wireframe not a performance problem anymore.
However, this does change the number of edges displayed as the threshold
is now computed per vertex instead of per edges.
For this reason we extended (internaly) the range of the slider so that the
users can hide more edge.
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The default behaviour is to show the same amount of edges as 2.7.
The slider makes it possible to show all edges or even less.
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This fix T55280 Loose edges not visible in object mode
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Only OB_MESH is supported for now.
Creates a simple index buffer with negative indices if the edges is not a
real edge.
Also create the buffer texture representation of this buffer along with the
pos_in_order buffer texture.
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Since this method have no failure case for manifold objects, use it.
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This makes the shadows ~10 times faster in the general case.
This only create extrusion geometry on the outline edges. Also we increment
or decrement the stencil buffer by 2 for each manifold edge and only by 1
for non manifold. This make the algorithm robust yet less heavy than creating
one prism for each triangles.
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Currently unused, but is required for an upcoming work.
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We can not rely on edit->psys, it is not set for particle edit,
and there is some logic deeper inside which does different things
dependent on that.
We need to replace those checks with some some HAIR vs. PARTICLES
flag and always set psys pointer.
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The idea is that edit mode structure is owned by original object,
and used for drawing. This is a bit confusing, especially since
path cache is also in that structure and needs evaluated object
to calculate cache.
In the future we should split edit data from visualization data,
but that's bigger refactor.
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Does all points all the time, ignoring the setting in viewport header.
This is to be addressed by the next commit.
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Now they are properly converted to Linear space before interpolation.
Since the only way to get vertex color in eevee and cycles is via the
attribute node with the CD_AUTO_FROM_NAME flag, we have to know at binding
time which type of buffer will be connected to this auto input.
We store this information inside the batch cache (together with the according
uniform name) and pass it as uniform to the shader which does conversion if
needed. The same shader can then be reused to draw another mesh with
different auto layers configuration.
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The way how particle state is to be accessed or used did not change
in Blender 2.8, so the drawing code should follow old design.
This code is somewhat duplicated from drawobject.c, but old draw
code is on the way to be removed anyway.
This fixes issue with disappearing particles when tweaking number
of particles.
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Text
**ToDo:**
- add vertbuff for UV (what can be adapted from `dl_surf_to_renderdata`)
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Differential Revision: D2914
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Use mesh batch cache for mesh selection.
Note that we could create the batches and free immediately
so they don't take up memory.
This resolves a problem where selection was limited
to immediate-mode buffer size.
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Support using full material shading in sculpt & paint modes mode.
Access 'Full Shading' from the display panel when in paint modes.
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Read from the GPUMaterial to find custom-data layers used for drawing.
This resolves problem where having UV's would always calculate tangents
causing noticeable slow down compared to 2.7x.
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This implements UV support for Eevee hair, enabling the usage of
textures.
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Use consistent prefix for gawain API names as well as
some abbreviations to avoid over-long names, see: D2678
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Uses workaround so material slots are used when neither blender-internal
or cycles are enabled.
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This still has a couple of issues:
* Instancing is not working when multiple particle systems use the same
primitive. Only the last particle system to be drawn with a particular
primitive shows up.
* Because of colors being passed as uniforms with static variables, the
color of the collection of the last object to be evauluated is used for
all particles being displayed.
Also, note that while this is being drawn in the clay engine, this might
be moved to the object mode later intead.
Part of T51378
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Part of T51378
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Now passing selection state instead of colors for the wire/face mask
overlay thing. Also added masking indication on the faces in vertex
paint.
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Vertex/weight paint now work with core profile, resolves T51380.
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Reviewers: fclem
Subscribers: campbellbarton, dfelinto
Differential Revision: https://developer.blender.org/D2658
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Also use 'defgroup' instead of 'index' for passing weight arg.
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This implements weight rendering with the draw manager, with all drawing
options (Shading, wire, face masking, vertex masking).
This is part of T51208
Reviewers: campbellbarton
Subscribers: dfelinto
Differential Revision: https://developer.blender.org/D2654
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- Added New Batch cache routine to get the split mesh for each material. (optimization needed)
- Did some shader modifications to create default_frag and support a somwhat correct fresnel for lamps (to finish)
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Creating draw-cache should only ever be used by the draw-manager.
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