diff options
Diffstat (limited to 'src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc')
| -rw-r--r-- | src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc b/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc index bcfdf311af..b0e45fadae 100644 --- a/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc +++ b/src/quick/doc/src/concepts/visualcanvas/adaptations.qdoc @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the documentation of the Qt Toolkit. ** @@ -11,8 +11,8 @@ ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Free Documentation License Usage ** Alternatively, this file may be used under the terms of the GNU Free @@ -20,7 +20,7 @@ ** Foundation and appearing in the file included in the packaging of ** this file. Please review the following information to ensure ** the GNU Free Documentation License version 1.3 requirements -** will be met: http://www.gnu.org/copyleft/fdl.html. +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -35,7 +35,7 @@ Originally Qt Quick always relied on OpenGL (OpenGL ES 2.0 or OpenGL 2.0) for pa 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 +\section1 Switching Between the Adaptation Used by the Application 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 @@ -138,6 +138,13 @@ rasterization and does not respond as well to transformations such as scaling as when using OpenGL. The quality is similar to choosing \l [QML] {Text::renderType} {Text.NativeRendering} with \l [QML] {Text} items. +\section2 Qt Multimedia VideoOutput +The VideoOutput item of the Qt Multimedia module is not supported with the software +adaptation. This is because VideoOutput uses the QVideoRendererControl item which +requires custom QSGGeometryNode behavior that is only present in the default OpenGL +adaptation. + + */ @@ -261,7 +268,7 @@ offscreen render targets will be created with the specified sample count and a quality of the maximum supported quality level. The backend automatically performs resolving into the non-multisample swapchain buffers after each frame. -\section2 Semi-transparent windows +\section2 Semi-transparent Windows When the alpha channel is enabled either via QQuickWindow::setDefaultAlphaBuffer() or by setting alphaBufferSize to a @@ -286,7 +293,7 @@ power-of-two images at the moment. Textures of other size will work too, but this involves a QImage-based scaling on the CPU first. Therefore avoid enabling mipmapping for NPOT images whenever possible. -\section2 Image formats +\section2 Image Formats When creating textures via the C++ scenegraph APIs like QQuickWindow::createTextureFromImage(), 32-bit formats will not involve any |