Hi,

I reworked the code a little bit and now I got the gol stuff working on MorphOs too (not using the VBO stuff
anymore).
But now I am facon the next problem: all images which are using alpha channel (like the character) are
not visible anymore. On Linux, Windows, AOS4 everything is fine.
Sadly I did not had the time to have a deeper look into it.
Here is a screenshot of the problem:
ermentrud_ogl_alplha_error.pnghttps://exdev.selfhost.eu/mos/ermentrud_ogl_alplha_error.png

hi,

You use alpha with OpenGL renderer... no chance... it's a big bug of SDL2 now....

in SDL2 readme :

KNOW BUGS:
*************

- SDL_CreateRenderer with SDL_RENDERER_ACCELERATED is broken if you use SDL_BLENDMODE or
tranparency color with OpenGL renderer, you need to use SDL_RENDERER_SOFTWARE.
Dont ask me to fix that, i dont have any information on it, maybe fix on next release of MorphOS (3.16)..)

Yes, this should not be a bug in SDL2, because it's working fine on other platforms.

EDIT: So no OGL support on mos for now, but neverstheless, it's mostly done:
ermentrud_mos.png

[ Edited by eliot 10.09.2021 - 13:04 ]