python (65.2k questions)

javascript (44.3k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (13k questions)

Questions - geometry-shader

OpenGL: how to pass vertex pos from Geometry shader to fragment shader?

I am currently learning shaders in OpenGL and finished writing my "drawText" geometry shader, so I can draw dynamic text ( content change every frame ), without recreating VBO every frame. I...
test-img

SebKun

opengl

fragment-shader

geometry-shader

Votes: 0

Answers: 1

Latest Answer

The position of a vertex to be sent to the rasterizer, as defined through gl_Position, contains 4 components. Always. And the meaning of those components is defined by the rasterizer and the OpenGL re...
test-img

Nicol Bolas

OpenGL - Geometry Shader - Lines to Triangle Strips

My goal is to render a sine wave in 3D space. The wave would be made up of small line segments. So I have a vertex shader that passes the points of the waves as lines to my geometry shader. The geomet...
test-img

rtavakko

opengl

glsl

geometry-shader

Votes: 0

Answers: 1

Latest Answer

OK after some experimentation I found a solution that seems to work. I started with a vertex shader that multiplies the position by projection and modelview matrices before passing on to the geometry ...
test-img

Hugh Fisher

THREE.js: RingGeometry and CircleGeometry blurry when rotating the scene

I'm using RingGeometry in my scene, at start the rings are renderer perfectly, but if I rotate the scene, artifacts appears on the rings. I tried CircleGeometry and I have the same result. The circle ...
test-img

Florian Lucas

three.js

mesh

geometry-shader

Votes: 0

Answers: 1

Latest Answer

Thank you @Marquizzo that was it. I have and invisible circle at the same position (used for raycaster.intersectObjects), even if it was at opacity 0 it was causing z-fighting. I moved this invisible ...
test-img

Florian Lucas

Posts

Questions

Blogs

Jobs