Things seem to move slower when I display format than when I don't. What could I be doing wrong?

I used surface = SDL_DisplayFormat(surface) instead of just loading the surface and just blitting. The process seems to be much slower.

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Original post by AntiGuy I used surface = SDL_DisplayFormat(surface) instead of just loading the surface and just blitting. The process seems to be much slower.

Are you freeing the surface after you use SDL_DisplayFormat?

Yeah, that didn't help.

Define "slower" and show us some code. One could only guess what's wrong at this point.

And by slow I mean the framerate slows down. It moves much faster if I say surface = IMG_Load("image");

Does IMG_Load load into a hardware surface by default? The only thing I can think of is you were blitting hw -> hw before and now you're blitting sw -> hw. hw -> hw accelerated blits are usually much faster. Also, take that SDL_Flip out for raw speed calculations, it might be waiting for retrace, depending on your video mode. Use SDL_UpdateRect instead.

I'm not really sure. I used SDL_ANYFORMAT and didn't do anything about HW & SW.

Okay let me just ask this, is there anyway I can adjust the format (Rmask, Gshift, ect...) without the surface slowing down? Using the surface as a BG layer btw.