1 files changed, 6 insertions, 1 deletions
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index b693245..bcb96fa 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -82,7 +82,7 @@
 #define GLX_SAMPLES_ARB         100001
 #endif
 
-#ifdef QT_OPENGL_ES
+#ifndef QT_NO_EGL
 #include <private/qeglcontext_p.h>
 #endif
 
@@ -354,6 +354,11 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
     QGLContext *ctx = new QGLContext(surfaceFormat, widget);
     ctx->create(qt_gl_share_widget()->context());
 
+#ifndef QT_NO_EGL
+    if (ctx->d_func()->eglContext->configAttrib(EGL_SWAP_BEHAVIOR) != EGL_BUFFER_PRESERVED)
+        setPartialUpdateSupport(false); // Force full-screen updates
+#endif
+
     widgetPrivate->extraData()->glContext = ctx;
 
     union { QGLContext **ctxPtr; void **voidPtr; };