Test build 2014-07-20

[NaN]

@CrystalH There is no vsync because it is not implemented.

One would have to write separate code for Linux/Mac/Win from my understanding. And it seems that nVidia prefers to vsync OpenGL applications while AMD and Intel don't.

I've been able to test the game on a machine with a GeForce 310M. It vsynced to 30Hz even if I tried to disable it in nVidia settings panel, which kinda sucks for benchmarking. I had 27-31 fps for all tested executables,

The percentage numbers in the log can be deceiving, need to check how they are calculated some day. I've been able to get 70-80% for render draw by racing for a longer period (about a minute and more). Shorter tests would produce lower percentage values towards 40%. I think it would be better to log the running average times instead, like dumpfps does.

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I have to correct myself, there seems to be a SDL_GL_SetSwapInterval function we could use for vsync, assuming it works for nVidia cards.