From 1a849c8b1cacb94bcde7a14da1f64726be7926ae Mon Sep 17 00:00:00 2001
From: Luke Benstead <kazade@gmail.com>
Date: Mon, 19 Apr 2021 21:08:09 +0100
Subject: [PATCH] Minor optimisation

---
 GL/draw.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/GL/draw.c b/GL/draw.c
index 7cb184e..b55c0a7 100644
--- a/GL/draw.c
+++ b/GL/draw.c
@@ -922,8 +922,10 @@ GL_FORCE_INLINE void divide(SubmissionTarget* target) {
         float f = MATH_Fast_Invert(vertex->w);
         vertex->xyz[0] *= f;
         vertex->xyz[1] *= f;
-        vertex->xyz[2] *= f;
-        vertex->xyz[2] = MAX(1.0f - (vertex->xyz[2] * 0.5f + 0.5f), PVR_MIN_Z);
+        vertex->xyz[2] = MAX(
+            1.0f - fmaf(vertex->xyz[2] * f, 0.5f, 0.5f),
+            PVR_MIN_Z
+        );
         ++vertex;
     }
 }