From 4c999f62fe6e0c78f6d1483995b001c902cbc0eb Mon Sep 17 00:00:00 2001
From: milek7 <me@milek7.pl>
Date: Sat, 9 Apr 2022 22:42:49 +0200
Subject: [PATCH] do not use alpha channel in pickbuffer rendering

---
 openglrenderer.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/openglrenderer.cpp b/openglrenderer.cpp
index b4f18a17..e30010ca 100644
--- a/openglrenderer.cpp
+++ b/openglrenderer.cpp
@@ -1159,10 +1159,12 @@ opengl_renderer::setup_drawing( bool const Alpha ) {
 
             break;
         }
-        case rendermode::shadows:
-        case rendermode::cabshadows:
         case rendermode::pickcontrols:
-        case rendermode::pickscenery: {
+        case rendermode::pickscenery:
+            ::glAlphaFunc( GL_ALWAYS, 0.0f );
+			[[ fallthrough ]];
+        case rendermode::shadows:
+        case rendermode::cabshadows: {
             ::glColor4fv( glm::value_ptr( colors::white ) );
             ::glDisable( GL_LIGHTING );
             ::glShadeModel( GL_FLAT );