From 7ec6918847a22e3daf762c46995ba409bf48fb6a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jose.r.fonseca@gmail.com>
Date: Fri, 9 Dec 2011 16:52:26 +0000
Subject: [PATCH] Ignore zero area viewports.

---
 glretrace_main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/glretrace_main.cpp b/glretrace_main.cpp
index 7c836ba..89021f1 100644
--- a/glretrace_main.cpp
+++ b/glretrace_main.cpp
@@ -118,6 +118,11 @@ updateDrawable(int width, int height) {
         return;
     }
 
+    // Ignore zero area viewports
+    if (width == 0 || height == 0) {
+        return;
+    }
+
     // Check for bound framebuffer last, as this may have a performance impact.
     GLint draw_framebuffer = 0;
     glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &draw_framebuffer);
-- 
2.7.4