[plugins/qpa] Add explanatory comment
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@ -50,6 +50,8 @@ bool SharingPlatformContext::makeCurrent(QPlatformSurface *surface)
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{
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Window *window = static_cast<Window*>(surface);
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// QOpenGLContext::makeCurrent in Qt5.12 calls platfrom->setContext before setCurrentContext
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// but binding the content FBO looks up the format from the current context, so we need // to make sure sure Qt knows what the correct one is already
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QOpenGLContextPrivate::setCurrentContext(context());
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if (eglMakeCurrent(eglDisplay(), m_surface, m_surface, eglContext())) {
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window->bindContentFBO();
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