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| author | Gunnar Sletta <gunnar.sletta@digia.com> | 2013-11-25 10:33:20 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-11-25 11:52:01 +0100 |
| commit | 0bdb509e29a648d5920bc14c444619b1990ccc63 (patch) | |
| tree | 9ba5fadf475d9ce24c8341efb118f9647de3efe8 /src/quick/doc | |
| parent | f0d2857271a2e619d6ede54a6855326e9232fd12 (diff) | |
Performance note about QQuickWindow::setColor vs top-level Rectangle
Change-Id: I58d271b108734958b6e0cd55ff62417d5b649a63
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Diffstat (limited to 'src/quick/doc')
| -rw-r--r-- | src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc b/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc index 384e8209c1..16075f0db3 100644 --- a/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc +++ b/src/quick/doc/src/concepts/visualcanvas/scenegraph.qdoc @@ -724,6 +724,11 @@ with multiple windows. \li Some material flags prevent batching, the most limiting one being QSGMaterial::RequiresFullMatrix which prevents all batching. + \li Applications with a monochrome background should set it using + QQuickWindow::setColor() rather than using a top-level Rectangle item. + QQuickWindow::setColor() will be used in a call to \c glClear(), + which is potentially faster. + \endlist If an application performs poorly, make sure that rendering is |