From d8f71404ffd54af08bc84dbb04e60cb07e83a021 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Fri, 20 Sep 2024 21:44:07 +0000
Subject: implement clipped drawing. take branching out of the upscaler loop.

the rasterizers now produce a bbox of used fragments/pixels that
are unified at the end of every job/frame. we use that when
drawing so only the part that was rasterized gets sent to devdraw.
---
 util.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index e7a9544..babaaf4 100644
--- a/util.c
+++ b/util.c
@@ -8,6 +8,24 @@
 #include "graphics.h"
 #include "internal.h"
 
+Point
+minpt(Point a, Point b)
+{
+	return (Point){
+		min(a.x, b.x),
+		min(a.y, b.y)
+	};
+}
+
+Point
+maxpt(Point a, Point b)
+{
+	return (Point){
+		max(a.x, b.x),
+		max(a.y, b.y)
+	};
+}
+
 Point2
 modulapt2(Point2 a, Point2 b)
 {
-- 
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