From 88bc76545504a8284f6810d996c2a0d9706e6915 Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Mon, 29 Apr 2019 19:13:20 +0200
Subject: don't lose half the zbuffer range

---
 src/GPU3D_OpenGL43.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/GPU3D_OpenGL43.cpp b/src/GPU3D_OpenGL43.cpp
index 21a77c1..0197546 100644
--- a/src/GPU3D_OpenGL43.cpp
+++ b/src/GPU3D_OpenGL43.cpp
@@ -328,7 +328,7 @@ void main()
     vec4 fpos;
     fpos.x = ((float(vPosition.x) * 2.0) / 256.0) - 1.0;
     fpos.y = ((float(vPosition.y) * 2.0) / 192.0) - 1.0;
-    fpos.z = float(vPosition.z << zshift) / 16777216.0;
+    fpos.z = (float(vPosition.z << zshift) / 8388608.0) - 1.0;
     fpos.w = float(vPosition.w) / 65536.0f;
     fpos.xyz *= fpos.w;
 
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