From fe14c547fe95bed94a8ddef33c876f6f88e3d4d3 Mon Sep 17 00:00:00 2001
From: Yuri D'Elia <wavexx@thregr.org>
Date: Sat, 19 Feb 2022 12:49:23 +0100
Subject: [PATCH] Show GLEW error string on glewInit() initialization errors

---
 src/slic3r/GUI/OpenGLManager.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/slic3r/GUI/OpenGLManager.cpp b/src/slic3r/GUI/OpenGLManager.cpp
index 6616cc20d..41a11cff6 100644
--- a/src/slic3r/GUI/OpenGLManager.cpp
+++ b/src/slic3r/GUI/OpenGLManager.cpp
@@ -233,8 +233,9 @@ OpenGLManager::~OpenGLManager()
 bool OpenGLManager::init_gl()
 {
     if (!m_gl_initialized) {
-        if (glewInit() != GLEW_OK) {
-            BOOST_LOG_TRIVIAL(error) << "Unable to init glew library";
+        GLenum err = glewInit();
+        if (err != GLEW_OK) {
+            BOOST_LOG_TRIVIAL(error) << "Unable to init glew library: " << glewGetErrorString(err);
             return false;
         }
         m_gl_initialized = true;