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Questions tagged [tesselation]

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How to compute normal in quartic Walton-Meek's Gregory patch in tessellation shader?

I am programing a tessellation shader in OpenGL which computes the quartic Walton-Meek's Gregory patch. I am searching for a local G1 method with good shading/visual results. So I am trying this patch....
1
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1answer
60 views

Tessellation Speed in terms of interpolated points per second

For a research project, I have written a Tessellation Shader to interpolate solution points of a 3-Dimensional mathematical equation. Therefore I don't use any techniques for displacement, I merely ...
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0answers
56 views

Proper way to reduce tessellation on front faces?

I am currently trying to reduce the tessellation levels on front facing triangles, but I also want to keep tessellation levels high on edges (so when the view vector is orthogonal to the triangle ...
5
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1answer
207 views

Tesselation sine distortion?

I am experimenting on a simple wave tessellation shader. I ported it from a working vertex shader. When my frequency is higher than 1, I get strange "saw-tooth" artifacting at peaks of the wave. Here ...
4
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1answer
218 views

What is better to use for real-time computing Mesh - Plane intersection points, GPU or CPU?

I want to write plugin (library) for Unity3d (it doesn't matter which framework I will choose for this, question is ), for cutting arbitrary mesh with plane (for simplicity it will be plane for ...
6
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1answer
186 views

Weird rendering in rectangle mesh shader AKA Why has my basic shader become a modern art generator?

I am trying to translate an old (2013) bit of code from Apple from objective C to Swift with some modifications I need for my simulation. The code I am translating can be found here To make ...
5
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2answers
383 views

Why did tessellation come to be a prominent feature?

Tessellation has been touted as one of the major features in newer graphics APIs like DirecX 11, and it is shown as a standalone stage in a modern graphics pipeline. Compared to the amount of ...