shithub: tinyrend

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got rid of unused code. implemented memsetd for double sized filling.

--- a/main.c

+++ b/main.c

@@ -69,6 +69,15 @@

 	*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 @@

 {

 	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 @@

 	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);