sg: Remove unused clearMode code

This is not used since Qt 6.0. The clearMode value stored
in the renderer base class is effectively the same always
and is not used for anything.

Change-Id: I472a79ff363a7bcdcb8bd1d4ec5973b2a0483273
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

1 files changed, 0 insertions, 6 deletions

diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 0ee809e7f4..2420bb5eae 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -574,13 +574,7 @@ void QQuickWindowPrivate::syncSceneGraph()
 
     animationController->afterNodeSync();
 
-    // Copy the current state of clearing from window into renderer.
     renderer->setClearColor(clearColor);
-    // Cannot skip clearing the color buffer in Qt 6 anymore.
-    const QSGAbstractRenderer::ClearMode mode = QSGAbstractRenderer::ClearColorBuffer
-                                                | QSGAbstractRenderer::ClearStencilBuffer
-                                                | QSGAbstractRenderer::ClearDepthBuffer;
-    renderer->setClearMode(mode);
 
     renderer->setVisualizationMode(visualizationMode);