implement pixel art upscaling filters scale[23]x. tidy up some code.

1 files changed, 2 insertions, 4 deletions

diff --git a/render.c b/render.c
index 6937c92..98dd0e9 100644
--- a/render.c
+++ b/render.c
@@ -38,12 +38,10 @@ static void
 pixel(Framebuf *fb, Point p, Color c)
 {
 	Color dc;
-	ulong *dst;
 
-	dst = fb->cb;
-	dc = srgb2linear(ul2col(dst[Dx(fb->r)*p.y + p.x]));
+	dc = srgb2linear(ul2col(getpixel(fb, p)));
 	c = lerp3(dc, c, c.a);	/* SoverD */
-	dst[Dx(fb->r)*p.y + p.x] = col2ul(linear2srgb(c));
+	putpixel(fb, p, col2ul(linear2srgb(c)));
 }
 
 static void