diff options
| -rw-r--r-- | main.c | 37 |
1 files changed, 14 insertions, 23 deletions
@@ -69,6 +69,15 @@ swap(int *a, int *b) *b = t; } +void +memsetd(double *p, double v, usize len) +{ + double *dp; + + for(dp = p; dp < p+len; dp++) + *dp = v; +} + double step(double edge, double n) { @@ -537,28 +546,10 @@ render(void) { uvlong t0, t1; - if(model != nil){ - t0 = nanosec(); - shade(fb, modelshader); - t1 = nanosec(); - fprint(2, "shader took %lludns\n", t1-t0); - }else{ -// bresenham(fb, Pt(40,40), Pt(300,300), red); -// bresenham(fb, Pt(80,80), Pt(100,200), red); -// bresenham(fb, Pt(80,80), Pt(200,100), red); -// -// filltriangle(fb, Pt(30,10), Pt(45, 45), Pt(5, 100), blue); -// triangle(fb, Pt(30,10), Pt(45, 45), Pt(5, 100), red); -// filltriangle(fb, Pt(300,120), Pt(200,350), Pt(50, 210), blue); -// triangle(fb, Pt(300,120), Pt(200,350), Pt(50, 210), red); -// filltriangle(fb, Pt(400,230), Pt(450,180), Pt(150, 320), blue); -// triangle(fb, Pt(400,230), Pt(450,180), Pt(150, 320), red); - - t0 = nanosec(); - shade(fb, sfshader); - t1 = nanosec(); - fprint(2, "shader took %lludns\n", t1-t0); - } + t0 = nanosec(); + shade(fb, model != nil? modelshader: sfshader); + t1 = nanosec(); + fprint(2, "shader took %lludns\n", t1-t0); } void @@ -690,7 +681,7 @@ threadmain(int argc, char *argv[]) fb = eallocmemimage(rectsubpt(screen->r, screen->r.min), screen->chan); zbuf = emalloc(Dx(fb->r)*Dy(fb->r)*sizeof(double)); - memset(zbuf, ~0, Dx(fb->r)*Dy(fb->r)*sizeof(double)); + memsetd(zbuf, Inf(-1), Dx(fb->r)*Dy(fb->r)); zfb = eallocmemimage(fb->r, fb->chan); curfb = fb; red = rgb(DRed); |