From 73cc3c549fb60eb020522f710d589f85720229d5 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 14 Nov 2020 12:52:08 +0100
Subject: [PATCH] fixup: Panini is available in any PERS3 (including rug,
 excluding box)

---
 shaders.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shaders.cpp b/shaders.cpp
index 6ba1571c..92756d8b 100644
--- a/shaders.cpp
+++ b/shaders.cpp
@@ -350,7 +350,7 @@ shared_ptr<glhr::GLprogram> write_shader(flagtype shader_flags) {
     if(shader_flags & GF_LEVELS) vmain += "vPos = t;\n";  
     if(treset) vmain += "t[3] = 1.0;\n";
     
-    if(WDIM == 3 && panini_alpha) {
+    if(shader_flags & SF_PERS3) {
       vmain += "t = uPP * t;", vsh += "uniform mediump mat4 uPP;";
       /* panini */
       vmain += panini_shader();