Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [3dtexture]

The tag has no usage guidance.

7
votes
1answer
286 views

Can we use anisotropic filtering on 3D textures?

Do modern GPUs support anisotropic filtering for 3D textures? If yes, how can one use it? The OpenGL spec doesn't seem to be very precise on this. From this link: ...
6
votes
1answer
243 views

How many 3D textures does OpenGL support

I'm making a voxel engine in OpenGL and wondering how many 3D textures I can have at once. They are fairly large (256x256x256 in GL_R32UI format). I want it to be able to run on any graphics card ...
6
votes
1answer
249 views

Binary scene voxelization using imageStore - problem

This problem has been haunting me for some time but I was busy with other things. I can't finish my GI technique (specifically occlusion step) without solving it. I made a binary scene voxelization ...
5
votes
1answer
179 views

Volumetric integration in Frostbite

In their presentation at SIGGRAPH 2015 Electronic Arts presented method of volumetric rendering using 3D texture aligned with view frustum. This technique needs two steps: Injection of color and ...
4
votes
2answers
95 views

How to texturize a 3D model from video?

I have a base 3D mesh of an object that I want to texturize. I also have a 360 degrees video of the real-world object. What are good ways to use the video to texturize the mesh? Are there existing ...
4
votes
1answer
159 views

Manually fetching 8 neighboring texels from 3D texture greatly decreases performance

I'm implementing manual interpolation between texels in a 3D texture to be able to discard some of them when needed. Compared to hardware interpolation, this process takes a lot of time. If I simply ...
3
votes
2answers
149 views

Frustum aligned volume integration - aliasing issue - temporal reprojection

Raw volume raymarching especially aligned with frustum seem to produce a lot of aliasing/banding on edges of shadow map. Especially when fragment pos is far because step length is then getting bigger. ...
1
vote
2answers
42 views

How to assign a texture to a single entry of a texture array?

The C++ psuedo code to transmit the idea of what I want to do would be: Texture_array tarr = Texture_array(6); tarr[0] = texture; Which I am attempting to do as ...
1
vote
1answer
53 views

How do you load multiple textures into an array texture with OpenGL?

I have been reading the OpenGL documentation but it is not clear to me how to achieve the following. Say we have an array of strings. Each string in the array is a valid relative path to an image ...
1
vote
0answers
35 views

Handling varying texture sizes in an array texture

Say we've idetified that we have a varying number of textures that are upper capped by 2 parametrs. thus we allocate the maximum amount of memory needed to store all textures as follows: ...
1
vote
0answers
55 views

How to automatically project texture from high poly mesh to low poly mesh?

I have two aligned meshes: I have exact mapping from each vertex of low poly mesh to surface of a high poly mesh. High poly (~100K vertices) mesh is non-manifold, low poly (~1K vertices) is manifold ...