diff options
| author | Kai Koehne <kai.koehne@qt.io> | 2017-01-18 09:30:47 +0100 |
|---|---|---|
| committer | Kai Koehne <kai.koehne@qt.io> | 2017-02-01 11:01:38 +0000 |
| commit | 5dd9c684e0a9a36a3cde047f77b5da93907e96be (patch) | |
| tree | 97eb880fa94597bd6f74f6417c5c170c0ddb83f0 /src | |
| parent | 1380d07b1e60d9a4efec4e15d510271ed210a61a (diff) | |
Doc: Improve introduction to Qt Quick SceneGraph Renderer
Mention that the new backends are introduced with Qt 5.8. Also
remove some details that rather belong in subsections, in particular
the mentioning that the Qt Quick API's originally were designed
for OpenGL. It is unclear what consequences this has for the user.
Limitations on backends should be rather spelled out in the
respective subsections.
Change-Id: I21239ea99b89b4c7771e3d79a38c6aa39007d0ea
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc b/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc index 9ce26e1bb8..c9ad9d8065 100644 --- a/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc +++ b/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc @@ -31,18 +31,14 @@ \section1 Scene Graph Adaptations in Qt Quick -Originally Qt Quick only had one available renderer for parsing the scene graph -and rendering the results to a render target. This renderer is now the default -OpenGL Renderer which supports rendering either using the OpenGL ES 2.0 or -OpenGL 2.0 (with framebuffer object extensions) APIs. The Qt Quick APIs have -originally been designed with the assumption that OpenGL is always available. -However, it is now possible to use other graphics API's to render Qt Quick -scenes using the scene graph APIs. +Originally Qt Quick always relied on OpenGL (OpenGL ES 2.0 or OpenGL 2.0) for parsing +the scene graph and rendering the results to a render target. From Qt 5.8 onwards +Qt Quick also supports rendering in software and with Direct3D 12. \section1 Switching between the adaptation used by the application -The default of the OpenGL, or - in Qt builds with disabled OpenGL support - the -software adaptation, can be overridden either by using an environment variable +The default rendering backend is still OpenGL, or - in Qt builds with disabled OpenGL support - +the software renderer. This can be overridden either by using an environment variable or a C++ API. The former consists of setting the \c{QT_QUICK_BACKEND} or the legacy \c{QMLSCENE_DEVICE} environment variable before launching applications. The latter is done by calling QQuickWindow::setSceneGraphBackend() early in the |