From b37b7de27c316051991e1c929447e2237014268e Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Sun, 5 Jun 2016 22:35:37 +0900
Subject: [PATCH] Retinal display fix for glview.

---
 examples/glview/glview.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/glview/glview.cc b/examples/glview/glview.cc
index 3002815..55037e0 100644
--- a/examples/glview/glview.cc
+++ b/examples/glview/glview.cc
@@ -142,7 +142,9 @@ bool LinkShader(GLuint &prog, GLuint &vertShader, GLuint &fragShader) {
 
 void reshapeFunc(GLFWwindow *window, int w, int h) {
   (void)window;
-  glViewport(0, 0, w, h);
+  int fb_w, fb_h;
+  glfwGetFramebufferSize(window, &fb_w, &fb_h);
+  glViewport(0, 0, fb_w, fb_h);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
   gluPerspective(45.0, (float)w / (float)h, 0.1f, 1000.0f);