From cd21b56c9dbb078828c86a5a073f13074b1645d2 Mon Sep 17 00:00:00 2001
From: Tasuku Suzuki <stasuku@gmail.com>
Date: Wed, 16 Apr 2014 12:50:24 +0900
Subject: [PATCH] remove context unmatched warning in QOpenGLTexture

destroy() or destructor complain when QOpenGLTexture is not created or
it is already destroyed.

Change-Id: I6b3135849e3ba2ce35678fcdbf1c9b6e588a063c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
---
 src/gui/opengl/qopengltexture.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gui/opengl/qopengltexture.cpp b/src/gui/opengl/qopengltexture.cpp
index 078274eabd..51d35cbd59 100644
--- a/src/gui/opengl/qopengltexture.cpp
+++ b/src/gui/opengl/qopengltexture.cpp
@@ -180,6 +180,10 @@ bool QOpenGLTexturePrivate::create()
 
 void QOpenGLTexturePrivate::destroy()
 {
+    if (!context) {
+        // not created or already destroyed
+        return;
+    }
     if (QOpenGLContext::currentContext() != context) {
         qWarning("Requires a valid current OpenGL context.\n"
                  "Texture has not been destroyed");