A geometry shader creates a list of vertices from a given set of input vertices in the rendering pipeline.

learn more… | top users | synonyms

2
votes
2answers
52 views

Generating face normals with the geometry shader

I'm trying to visualize the face normals for a mesh, using the geometry shader to generate lines represeting the normal vectors. My intention was to draw that line from the triangles centroid, ...
1
vote
1answer
391 views

Geometry Shader input vertices order

MSDN specifies (link) that when using triangleadj type of input to the GS, it should provide me with 6 vertices in specific order: 1st vertex of the triangle processed, vertex of an adjacent triangle, ...
3
votes
0answers
69 views

Geometry Shader crashing

I keep getting some strange errors in my Geometry shader and when I search for the cause of the errors, it returns nothing substantial. Here is the code. Shader #version 450 core layout(triangles) ...
2
votes
0answers
22 views

Simple square vertex lifting shader

I am trying to rebuild the fur effect in Viva Pinata. Here each square becomes a pattern of fur I imagine the process to be like this... U lift one end of the triangles. Now I need to ...
2
votes
0answers
149 views

OpenGL: Avoid geometry shader for cubemap framebuffer

I want to render an environment map into a cubemap framebuffer but I dislike the fact, that I have to use the geometry shader to set gl_Layer because the geometry shader would be a basic passthrough ...
2
votes
0answers
855 views

Geometry Shader and Stream Output with Directx11

I am having trouble trying to send verticies generated in the Geometry Shader to Stream Output. What I am trying to accomplish is to generate verticies from the Geometry Shader and store them to a ...
1
vote
0answers
197 views

Geometry shader: Dynamic output?

I'm currently using a geometry shader to generate grass blades out of single root points that are layed out in a grid. For each root point, I generate a grass blade with, right now, a constant number ...
0
votes
0answers
24 views

Opengl setup and work with geometry shaders

I'm trying to implement instance culling using geometry-shaders () but I don't know, how I use them. I only used fragments and vertex-shades before.. Can someone say me, how I set them up, how I work ...
0
votes
0answers
760 views

geometry shader shim for opengl es 2.0

I just have a few months of OpenGL experience, just starting to get the hang of it. I find geometry/vertex/fragment shaders to be very powerful. You have a few parameters that translates into a ...