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Unanswered Questions

2,573 questions with no upvoted or accepted answers
17 votes
0 answers
2k views

Per-Vertex lighting in GLSL?

How can I achieve per-vertex lighting (like in single/multi-texture shading) in GLSL with all of the other GLSL features (like buffer shadows, texture layers, etc.)? Bonus points if it can be done in ...
8 votes
0 answers
303 views

how to write a custom projection type?

Is it possible to create a lens shader with EEVEE/Cycles ? I'd like to have the control over the camera position and the ray direction per sample. This allows to simulate various conventional lens ...
8 votes
0 answers
394 views

3D Stereo Active shutter vision LCS glasses realtime viewport?

Is it possible (or maybe already implemented by someone) to configure the viewport to display stereoscopically at a set frequency dependent on the given screen refresh rate, while having the frequency ...
6 votes
0 answers
2k views

Is it possible to render Annotations made in View Space?

I have some animated annotations made in the 3D Viewport and I cannot render them with viewport render. It looks like the problem is that they were made in View Space. Is there any way to have them ...
6 votes
1 answer
4k views

Separate alpha from color in Shader Editor

In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot: However, no color separation node in blender supports extracting that value and ...
5 votes
0 answers
154 views

Flat shading when using displacement or bump

When using a bump or displacement node and bump only or displacement and bump in the material settings, the shade smooth option seems to not be working. Instead the geometry starts to show, auto ...
5 votes
0 answers
322 views

Custom shader script in compositor (de-linearize depth buffer)

Some months ago I wrote a minimal opengl 2.5d game engine with pre-rendered backgrounds (such old Resident evil, Alone in the dark and Final fantasy games). Depth is managed through a grayscale image ...
5 votes
1 answer
909 views

get this gradient style in blender

I'm trying to get this gradient style: My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
5 votes
0 answers
698 views

Control image texture source from outside node group

I'm working on turning a cavity node setup I found online into a node group I can append to my blender files. The setup uses several mapping nodes (that I already converted to math nodes so the ...
5 votes
0 answers
2k views

nVidia skin shader with the Principled BSDF

I've been using a skin shader primarily based on the Brecht skin shader, which is itself based on the Sum-of-Gaussians approach as seen in 14.4.7 from GPU Gems by nVidia. Its Cycles adaptation, which ...
5 votes
1 answer
2k views

Matcaps not showing up

I was working on sculpting and wanted to apply a matcap, however when I go and turn on matcaps nothing shows up. I am in blender render and just updated, is there any setting that could be causing ...
5 votes
0 answers
395 views

Wacom tablet acting oddly in 2.71

Just putting this out there in case anyone has any ideas. I have an older Wacom Intous2 and it still works great. I'm on Windows7. On Blender 2.71 and earlier, my Wacom tablet always worked perfectly, ...
5 votes
1 answer
12k views

Having trouble panning/rotating with two-fingers on trackpad

I'm having trouble with something that's hopefully pretty basic. I just got a windows laptop after using a macbook for a while. I was surprised to find that blender was not acting the same. On my mac, ...
4 votes
0 answers
29 views

translucent white resin with embeddings - material

I need to make a volumetric translucent material, possibly working in EEVEE. It is a white semi-translucent resin with objects embedded. The embedded objects are more visible near to the surface of ...
4 votes
0 answers
218 views

Migrating geometry shaders to Metal

I'm working on BlenderBIM (architecture addon for Blender) and we have a bunch of shaders to support plan annotations in viewports. Mainly it's simple shapes based of lines - lines, segment based ...

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