IMG_webp: Incorrect frame composition in animated WebP loading

Open inigomonyota opened this issue 10 months ago • 2 comments

The current animated WebP loader in SDL_image has incorrect frame composition behavior, leading to visual artifacts in animated WebP files. This is particularly noticeable in WebP animations that use transparency or have overlapping frames with different disposal methods.

some test images here:

https://github.com/inigomonyota/webptestimages

Feb 14 '25 02:02 inigomonyota

Can you please revert the formatting changes?

Feb 14 '25 02:02 slouken

Is this still relevant wrt/ main branch?

Nov 05 '25 15:11 sezero