1 files changed, 15 insertions, 0 deletions
diff --git a/src/plugins/platforms/ios/qiosintegration.mm b/src/plugins/platforms/ios/qiosintegration.mm
index 7cd4280f5e..b4050b8f62 100644
--- a/src/plugins/platforms/ios/qiosintegration.mm
+++ b/src/plugins/platforms/ios/qiosintegration.mm
@@ -77,6 +77,15 @@ QIOSIntegration::QIOSIntegration()
                "'applicationDidFinishLaunching' inside your UIApplication delegate.\n");
     }
 
+    // The backingstore needs a global share context in order to support composition in
+    // QPlatformBackingStore.
+    qApp->setAttribute(Qt::AA_ShareOpenGLContexts, true);
+    // And that context must match the format used for the backingstore's context.
+    QSurfaceFormat fmt;
+    fmt.setDepthBufferSize(16);
+    fmt.setStencilBufferSize(8);
+    QSurfaceFormat::setDefaultFormat(fmt);
+
     // Set current directory to app bundle folder
     QDir::setCurrent(QString::fromUtf8([[[NSBundle mainBundle] bundlePath] UTF8String]));
 
@@ -137,6 +146,8 @@ bool QIOSIntegration::hasCapability(Capability cap) const
         return false;
     case ApplicationState:
         return true;
+    case RasterGLSurface:
+        return true;
     default:
         return QPlatformIntegration::hasCapability(cap);
     }
@@ -208,6 +219,10 @@ QPlatformServices *QIOSIntegration::services() const
 QVariant QIOSIntegration::styleHint(StyleHint hint) const
 {
     switch (hint) {
+    case PasswordMaskDelay:
+        // this number is based on timing the native delay
+        // since there is no API to get it
+        return 2000;
     case ShowIsMaximized:
         return true;
     case SetFocusOnTouchRelease: