From 3c7f4d22da8abdd46fe7b6b77d7f5232d9911ed0 Mon Sep 17 00:00:00 2001
From: Martin Opat <martinopat.opat@gmail.com>
Date: Mon, 30 Dec 2024 12:12:16 +0100
Subject: [PATCH] Updated readme.md

---
 README.md | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 15c50f1..45b5a9e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,22 @@
-# cuda-based-raytrace
\ No newline at end of file
+# cuda-based-raytrace
+
+## How to run
+If necessary clean previous build:
+```bash
+make clean
+```
+
+Then build (currently always debug build):
+```bash
+make all
+```
+
+Run:
+```bash
+./build/main
+```
+
+To open the resulting image you can use (Ubuntu):
+```bash
+xdg-open output.ppm
+```
\ No newline at end of file