#include <stdio.h>
-#include <stdlib.h>
-#include <QOpenGLContext>
+#include <QGL>
#include <QOffscreenSurface>
-#include <QWindow>
+#include <QOpenGLContext>
+#include <QSurfaceFormat>
+
+class QSurface;
+
+QGLWidget *global_share_widget = nullptr;
QSurface *create_surface(const QSurfaceFormat &format)
{
QOpenGLContext *create_context()
{
QOpenGLContext *context = new QOpenGLContext;
- context->setShareContext(QOpenGLContext::globalShareContext());
+ context->setShareContext(global_share_widget->context()->contextHandle());
context->create();
return context;
}