GLUTesselator | GLUTesselator

by mbebenita C Version: Current License: No License

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kandi X-RAY | GLUTesselator Summary

GLUTesselator is a C library. GLUTesselator has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

GLUTesselator

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GLUTesselator has a low active ecosystem.

It has 11 star(s) with 5 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

GLUTesselator has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of GLUTesselator is current.

Quality

GLUTesselator has no bugs reported.

Security

GLUTesselator has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

GLUTesselator does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

GLUTesselator releases are not available. You will need to build from source code and install.

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GLUTesselator Key Features

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GLUTesselator Examples and Code Snippets

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Community Discussions

Trending Discussions on GLUTesselator

artifacts (seams) seen in translucent polygon with holes in openGL

glutesselator always crashes at gluTessEndPolygon()

QUESTION

artifacts (seams) seen in translucent polygon with holes in openGL

Asked 2017-Feb-16 at 13:40

I have this polygon with a hole when rendered in translucent color in openGL, it shows some sort of artifacts along seams of tessellated triangles (by GLUtesselator). This is a bit of strange because the same polygon would not have such artifacts if it's drawn in opaque color.

Artifacts seen as doted line extended from inner circle to outer boundary of polygon:

More artifacts seen in interior of the polygon:

It appears like bleeding from alpha blending of color between two adjacent triangles' edges. But I have no idea of how to mitigate the problem.

Has anyone seen this problem before? or can someone point out what the problem might be and a possible solution for me?

...

ANSWER

Answered 2017-Feb-16 at 09:36

OpenGL guarantees that drawing two triangle sharing an edge will produce each covered fragment exactly once, thus you could render artifact-free translucent polygons.

However, this guarantee holds only if both vertices of that edge are identical between the two triangles. Also it won't hold if you anti-alias your polygons with GL_SMOOTH_POLYGON.

It's hard to tell what's the case here without seeing the relevant code, but I would definitely check the coordinates of the vertices of the shared edges to see if they are the same.

Source https://stackoverflow.com/questions/42267981

QUESTION

glutesselator always crashes at gluTessEndPolygon()

Asked 2017-Feb-12 at 19:05

I use glu tessellation to tessellate complex polygons. The code simplified is listed bellow.

It always crashes at gluTessEndPolygon(GLUtessobj) with error:

Error: 0xC0000005: Access violation reading location 0x57783b39;

The code works when the number of points of the polygon is small (<100).

I just can't figure out why.

...

ANSWER

Answered 2017-Feb-12 at 19:05

One thing that immediately strikes me as odd is, that you do the cast to __stdcall there.

Source https://stackoverflow.com/questions/42188870

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