Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels

[Stefano Stabellini]

malc wrote:

> Let me reiterate - SDL_UpdateRect was REMOVED from sdl_update, SDL_Flip 
> was added to _sdl_refresh_. So, no, SDL_Flip is NOT faster than
> SDL_UpdateRect.
> 


This change also shouldn't have any effect since sdl_refresh is the one
that calls sdl_update  in the end.
The code path is the following:

sdl_refresh -> vga_hw_update -> vga_draw_graphic -> dpy_update -> sdl_update