コード例 #1
0
GtkWidget* OpenGLModule::registerGLWidget(GtkWidget* widget)
{
    if (++_realisedGLWidgets == 1)
    {
        _sharedContext = widget;
        gtk_widget_ref(_sharedContext);

        // Create a context
        gtkutil::GLWidget::makeCurrent(_sharedContext);
        assertNoErrors();

#ifdef DEBUG_GL_WIDGETS
        std::cout << "GLWidget: created shared context using ";

        if (gdk_gl_context_is_direct(
                    gtk_widget_get_gl_context(_sharedContext)
                ) == TRUE)
        {
            std::cout << "DIRECT rendering" << std::endl;
        }
        else
        {
            std::cout << "INDIRECT rendering" << std::endl;
        }
#endif

        contextValid = true;

        sharedContextCreated();
    }

    return _sharedContext;
}
コード例 #2
0
void OpenGLModule::registerGLCanvas(wxutil::GLWidget* widget)
{
	std::pair<wxGLWidgets::iterator, bool> result = _wxGLWidgets.insert(widget);

	if (result.second && _wxGLWidgets.size() == 1)
	{
		// First non-duplicated widget registered, take this as context holder
		_wxSharedContext = new wxGLContext(widget);

		// Create a context
		widget->SetCurrent(*_wxSharedContext);
        assertNoErrors();

		_wxContextValid = true;

		sharedContextCreated();
	}
}