prevent crash with non-vcl OpenGL contexts

Change-Id: Ia829b0f723c8ded1237e52d48f034da3c1ac249e

prevent crash with non-vcl OpenGL contexts
Change-Id: Ia829b0f723c8ded1237e52d48f034da3c1ac249e
7ce77fcf · Markus Mohrhard · 24560df3 · 7ce77fcf
Kaydet (Commit) 7ce77fcf authored Eyl 07, 2015 tarafından Markus Mohrhard
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OpenGLContext.cxx vcl/source/opengl/OpenGLContext.cxx +2 -1

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--- a/vcl/source/opengl/OpenGLContext.cxx
+++ b/vcl/source/opengl/OpenGLContext.cxx
@@ -1422,7 +1422,8 @@ void OpenGLContext::resetCurrent()
 #elif defined( IOS ) || defined( ANDROID ) || defined(LIBO_HEADLESS)
    // nothing
 #elif defined( UNX )
-    glXMakeCurrent(m_aGLWin.dpy, None, NULL);
+    if (m_aGLWin.dpy)
+        glXMakeCurrent(m_aGLWin.dpy, None, NULL);
 #endif
 }