diff options
-rw-r--r-- | vcl/source/opengl/OpenGLContext.cxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vcl/source/opengl/OpenGLContext.cxx b/vcl/source/opengl/OpenGLContext.cxx index 6bb7c1036552..20d9acddfed2 100644 --- a/vcl/source/opengl/OpenGLContext.cxx +++ b/vcl/source/opengl/OpenGLContext.cxx @@ -390,7 +390,7 @@ bool OpenGLContext::ImplInit() #elif defined( ANDROID ) #elif defined( UNX ) - m_aGLWin.ctx = glXCreateContext(m_aGLWin.dpy, + m_aGLWin.ctx = m_aGLWin.dpy == 0 ? 0 : glXCreateContext(m_aGLWin.dpy, m_aGLWin.vi, 0, GL_TRUE); @@ -690,7 +690,7 @@ SystemWindowData OpenGLContext::generateWinData(Window* pParent) Display *dpy = reinterpret_cast<Display*>(sysData->pDisplay); - if( !glXQueryExtension( dpy, NULL, NULL ) ) + if( dpy == 0 || !glXQueryExtension( dpy, NULL, NULL ) ) return aWinData; XLIB_Window win = sysData->aWindow; |