All Questions
9 questions
0
votes
1
answer
387
views
OpenGL Vertex Shader "joint matrix * weight" multiplication performance
Trying to implement animation on my engine.
I'm at the first stage, rendering default pose of skinned meshes.
Working as expected but very slow.
With the below calculation, the shader takes 6ms to run....
2
votes
0
answers
81
views
Deforming a lip mesh to match face-tracking points
I'm creating a lipstick filter. I have a basic mesh for the lip shape ( 140 vertices ) which I am able to render on screen.
I need the mesh since I have my own lighting system, and hence need the ...
- 21
2
votes
1
answer
450
views
ASSIMP Skinning seems to be somewhat inverted
I'm currently implementing Skinning using Assimp as my asset importer. I've relied heavily on the following tutorial in order to skin meshes (http://ogldev.atspace.co.uk/www/tutorial38/tutorial38.html)...
- 229
6
votes
1
answer
2k
views
instancing and GPU skinning
I'm trying to render a large number of identical rigged entities with independent animation.
Compared to standard skeletal animation, I can't compute the pose of each entities and send it to the GPU ...
- 101
5
votes
1
answer
4k
views
Skeletal animation in OpenGL
I'm using Assimp to do skeletal animation in my OpenGL application.
I used Blender to export this one-boned model to a COLLADA file:
The model has only one bone, called arm bone, that controls the ...
- 461
0
votes
0
answers
411
views
OpenGL MD5 Model Animation. Performance issues
A time has come when i had to implement an Animation to my Engine. I started with standart MD5 mesh/anim format since i find it easy to understand. I managed to implement a simple MD5 loader and i can ...
- 95
8
votes
3
answers
11k
views
How do I send multiple matrices to a vertex shader?
I'm practising animations using bones/skinning. I am trying to send the shader one matrix per vertex. I can think of these two approaches.
Method 1
I have one uniform handle for each bone matrix like ...
- 745
3
votes
1
answer
1k
views
Incorrect GPU skinning
I'm having some problems with implementing skinning and skeletal animation. It seems that the skeleton and the mesh are loaded correctly, but the mesh gets funky when the bone transformations are ...
- 1,058
4
votes
1
answer
4k
views
OpenGL GLSL skinning problem
This time I've decided to ask a question related to my skinning problem. Two earlier ones were not really related to my problem and I've deleted them.
Ok, first of all, I'm using OpenGL 3, 3ds max, ...
- 180