[SDL] How to access dual video surface in SDL_DOUBLEBUF mode

Antonin Hildebrand hildi at atlas.cz
Mon Apr 17 21:46:51 PDT 2000


Hi,

When I'm in double-buffer mode
I want to do simple blur effect
I want to blit last rendered screen into current with 30% alpha

How can I read dual(visible) video surface after SDL_Flip ?
Woid





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