From 60b28d846f90a82281493313d5169810a6c7e1bb Mon Sep 17 00:00:00 2001
From: Jaklyy <102590697+Jaklyy@users.noreply.github.com>
Date: Sat, 6 Apr 2024 17:55:03 -0400
Subject: [PATCH] make it more clear what's actually being done

---
 src/GPU3D_Soft.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/GPU3D_Soft.h b/src/GPU3D_Soft.h
index ddb3f7b2..a4342431 100644
--- a/src/GPU3D_Soft.h
+++ b/src/GPU3D_Soft.h
@@ -193,6 +193,8 @@ private:
                 }
                 else
                 {
+                    // unoptimized algorithm is: z0 + ((z1-z0 >> 1) / xdiff * x << 1);
+                    // or alternatively there's: z0 + (z1-z0) / (xdiff<<1) * (x<<1);
                     return zcounter += zincr;
                 }
             }