Questions tagged [transform-feedback]

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1answer
477 views

Directly use Transform Feedback primitive count as instance count for drawing

When using Transform Feedback to capture the vertices generated by the primtive generation stage, we can use glDrawTransformFeedback to directly draw the generated ...
1
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0answers
28 views

How khronos flame swing effect is done?

This demo: https://www.khronos.org/registry/webgl/sdk/demos/google/particles/ Contains multiple effects that can be done with WebGL. I've been able to recreate some of them, but for example I don't ...
1
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1answer
53 views

is doing transform feedback while rendering vertices not possible?

I've written a program that uses OpenGL and GLFW to display some simple geometric shapes. I'm now trying to add some transform feedback capability to it and I find that as soon as I do so, the program ...
0
votes
2answers
118 views

Is there a DSA technique for transform feedback?

The typical way I see transform feedback being used is: ...
0
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0answers
11 views

How to add a second calculation to an already working transform feedback webgl2 code?

I'm doing a project that involves transform feedback and WebGL2. I was able to make a transform feedback work using two buffers, to calculate an update in 3d positions of particles. But now I'd like ...