From 981fea804c5fb03251eab00e79cb9bfae6e2bea9 Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sat, 18 Jan 2025 22:29:04 +0000
Subject: [PATCH] Add some info about config.h to README

---
 README | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README b/README
index 0f37449..b316d0e 100644
--- a/README
+++ b/README
@@ -10,3 +10,10 @@ double precision shaders.
 To build and run:
 
    ./build.sh && ./gpu-frac
+
+Since both GLSL and C use CPP directives, I parameterised the program
+a bunch and stuck a load of cool presets in config.h, which can be
+simply be uncommented and commented as is required.  All the #ifdefs
+make the code a bit harder to read but it's nice being able to twiddle
+numbers and change the visualisation without messing around editing
+and commenting out code.