From: John Tsiombikas <nuclear@member.fsf.org>
Date: Wed, 21 Feb 2018 04:01:17 +0000 (+0200)
Subject: switching polytest between zsorting and BSP for performance testing
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=commitdiff_plain;h=7a0391a0519a4eb3438c8313841af01da5fa55ca

switching polytest between zsorting and BSP for performance testing
with 'b'
---

diff --git a/src/polytest.c b/src/polytest.c
index afe2006..bbc1c0b 100644
--- a/src/polytest.c
+++ b/src/polytest.c
@@ -16,6 +16,7 @@ static void destroy(void);
 static void start(long trans_time);
 static void draw(void);
 static void draw_lowres_raster(void);
+static void keypress(int key);
 static int gen_texture(struct pimage *img, int xsz, int ysz);
 
 static struct screen scr = {
@@ -24,7 +25,7 @@ static struct screen scr = {
 	destroy,
 	start, 0,
 	draw,
-	0
+	keypress
 };
 
 static float cam_theta, cam_phi = 25;
@@ -202,6 +203,16 @@ static void draw_lowres_raster(void)
 	}
 }
 
+static void keypress(int key)
+{
+	switch(key) {
+	case 'b':
+		use_bsp = !use_bsp;
+		printf("drawing with %s\n", use_bsp ? "BSP tree" : "z-sorting");
+		break;
+	}
+}
+
 static int gen_texture(struct pimage *img, int xsz, int ysz)
 {
 	int i, j;