OpenCL equivalent to cudaBindTexture2D

Hi all, I’m currently tring to port one of my simplest Cuda kernels to OpenCL.

In this piece of code, I allocate a big (fullW, fullH) image on GPU.
Then I memcpy a portion of image that could be smaller (w, h).
I bind this (w,h) portion on a clamped texture and fetch this texture from the kernel.

Is it possible to bind a 2D portion of a bigger image with OpenCL ?
Thanks a lot for your help!

Any update on that topic?