Added WindowSurfaceFeature enum to QWindowSurface.

Now that we've added hasPreservedContents() it's cleaner to convert the
various features to feature flags, which is also more extensible in case
more flags are needed in the future.

Reviewed-by: Bjørn Erik Nilsen

2 files changed, 6 insertions, 3 deletions

diff --git a/src/openvg/qwindowsurface_vg.cpp b/src/openvg/qwindowsurface_vg.cpp
index 6f99de4..eedfea5 100644
--- a/src/openvg/qwindowsurface_vg.cpp
+++ b/src/openvg/qwindowsurface_vg.cpp
@@ -119,9 +119,12 @@ QPaintEngine *QVGWindowSurface::paintEngine() const
     return d_ptr->paintEngine();
 }
 
-bool QVGWindowSurface::hasStaticContentsSupport() const
+QWindowSurface::WindowSurfaceFeatures QVGWindowSurface::features() const
 {
-    d_ptr->supportsStaticContents();
+    WindowSurfaceFeatures features = PartialUpdates | PreservedContents;
+    if (d_ptr->supportsStaticContents())
+        features |= StaticContents;
+    return features;
 }
 
 int QVGWindowSurface::metric(PaintDeviceMetric met) const
diff --git a/src/openvg/qwindowsurface_vg_p.h b/src/openvg/qwindowsurface_vg_p.h
index 2d6b4f9..d63d077 100644
--- a/src/openvg/qwindowsurface_vg_p.h
+++ b/src/openvg/qwindowsurface_vg_p.h
@@ -78,7 +78,7 @@ public:
 
     QPaintEngine *paintEngine() const;
 
-    bool hasStaticContentsSupport() const;
+    WindowSurfaceFeatures features() const;
 
 protected:
     int metric(PaintDeviceMetric metric) const;