1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/main_sdl.c	Tue Mar 22 00:55:07 2016 +0200
     1.3 @@ -0,0 +1,92 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdlib.h>
     1.6 +#include <SDL/SDL.h>
     1.7 +#include "app.h"
     1.8 +
     1.9 +static int handle_event(SDL_Event *ev);
    1.10 +
    1.11 +static SDL_Surface *fbsurf;
    1.12 +static int quit;
    1.13 +
    1.14 +int main(int argc, char **argv)
    1.15 +{
    1.16 +	unsigned long msec, prev_fps_upd;
    1.17 +	unsigned int num_frames, framerate;
    1.18 +
    1.19 +	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
    1.20 +		fprintf(stderr, "failed to initialize SDL\n");
    1.21 +		return 1;
    1.22 +	}
    1.23 +	if(!(fbsurf = SDL_SetVideoMode(800, 600, 32, SDL_SWSURFACE | SDL_RESIZABLE))) {
    1.24 +		fprintf(stderr, "failed to create surface\n");
    1.25 +		SDL_Quit();
    1.26 +		return 1;
    1.27 +	}
    1.28 +	SDL_WM_SetCaption("parallel rasterization test", 0);
    1.29 +
    1.30 +	if(app_init() == -1) {
    1.31 +		return 1;
    1.32 +	}
    1.33 +
    1.34 +	prev_fps_upd = SDL_GetTicks();
    1.35 +	num_frames = 0;
    1.36 +
    1.37 +	while(!quit) {
    1.38 +		unsigned long dt;
    1.39 +		SDL_Event ev;
    1.40 +		while(SDL_PollEvent(&ev)) {
    1.41 +			if(handle_event(&ev) == -1 || quit) {
    1.42 +				goto break_main_loop;
    1.43 +			}
    1.44 +		}
    1.45 +
    1.46 +		if(SDL_MUSTLOCK(fbsurf)) {
    1.47 +			SDL_LockSurface(fbsurf);
    1.48 +		}
    1.49 +		fb_pixels = fbsurf->pixels;
    1.50 +		fb_width = fbsurf->w;
    1.51 +		fb_height = fbsurf->h;
    1.52 +
    1.53 +		app_draw();
    1.54 +
    1.55 +		if(SDL_MUSTLOCK(fbsurf)) {
    1.56 +			SDL_UnlockSurface(fbsurf);
    1.57 +		}
    1.58 +		SDL_Flip(fbsurf);
    1.59 +
    1.60 +		++num_frames;
    1.61 +		msec = SDL_GetTicks();
    1.62 +		dt = msec - prev_fps_upd;
    1.63 +		if(dt > 1500) {
    1.64 +			char tmp[32];
    1.65 +			framerate = 10000 * num_frames / dt;
    1.66 +			num_frames = 0;
    1.67 +			prev_fps_upd = msec;
    1.68 +
    1.69 +			sprintf(tmp, "fps: %u.%u\n", framerate / 10, framerate % 10);
    1.70 +			SDL_WM_SetCaption(tmp, 0);
    1.71 +		}
    1.72 +	}
    1.73 +break_main_loop:
    1.74 +	app_cleanup();
    1.75 +	SDL_Quit();
    1.76 +	return 0;
    1.77 +}
    1.78 +
    1.79 +void app_quit(void)
    1.80 +{
    1.81 +	quit = 1;
    1.82 +}
    1.83 +
    1.84 +static int handle_event(SDL_Event *ev)
    1.85 +{
    1.86 +	switch(ev->type) {
    1.87 +	case SDL_KEYDOWN:
    1.88 +		app_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED);
    1.89 +		break;
    1.90 +
    1.91 +	default:
    1.92 +		break;
    1.93 +	}
    1.94 +	return 0;
    1.95 +}