Part of the Khronos Group

The Industry's Foundation for High Performance Graphics

from games to virtual reality, mobile phones to supercomputers

Results 1 to 2 of 2

Thread: Issues sending texture to compute shader

  1. #1
    Newbie Newbie
    Join Date
    May 2018

    Issues sending texture to compute shader


    I have a texture that I'm trying to send to compute shader.
    glGetTexImage() tells me there are some values in it, but when I use texture() in the compute shader I only get zeros.
    If I use textureSize() in the compute shader I get correct values.
    Also, if I used the same texture in a fragment shader it works ok.

    What could be the issue?

  2. #2
    Senior Member OpenGL Guru Dark Photon's Avatar
    Join Date
    Oct 2004
    If the texture does not have MIPmaps, do you have MIPmap filtering disabled? For instance, set MIN_FILTER to NEAREST.

    Post the code with sets up your texture and the GLSL that samples from it (including texture/texcoord declarations)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts