Qt Quick 3D
Qt Quick 3D provides a high-level API for creating 3D content and 3D user interfaces based on Qt Quick. Rather than using an external engine, which creates syncing issues and additional layers of abstraction, Qt Quick 3D provides extensions to the existing Qt Quick Scene Graph for spatial content and a renderer for that extended scene graph. When using the spatial scene graph, it's possible to mix Qt Quick 2D content with 3D content.
Using the Module
The QML types of the module are available through the
QtQuick3D import. To use the types, add the following import statement to your .qml file:
The following module imports provide additional functionality:
import QtQuick3D.AssetUtils import QtQuick3D.Helpers import QtQuick3D.Particles3D
Using a Qt module's C++ API requires linking against the module library, either directly or through other dependencies. Several build tools have dedicated support for this, including CMake and qmake.
Building with CMake
find_package() command to locate the needed module component in the
find_package(Qt6 REQUIRED COMPONENTS Quick3D) target_link_libraries(mytarget PRIVATE Qt6::Quick3D)
For more details, see the Build with CMake overview.
Building with qmake
To configure the module for building with qmake, add the module as a value of the
QT variable in the project's .pro file:
QT += quick3d
Building From Source
When building from source, ensure that the modules and tools from the qtdeclarative and qtshadertools repositories are built first, as it's not possible to use Qt Quick 3D without these. Having qtquicktimeline available is strongly recommended as well, since keyframe-based animations will not be available otherwise.
In addition, some of the examples rely on Qt Quick Controls.
Changes to Qt Quick 3D lists important changes in the module API and functionality that were done for the Qt 6 series of Qt.
Articles and Guides
- Qt Quick 3D Introduction Example
- Qt Quick 3D Introduction with glTF Assets
- Qt Quick 3D Graphics Requirements
- Qt Quick 3D Architecture
- Balsam Asset Import Tool
- Optimizing 3D Assets
- Physically-Based Rendering
- Using Image-Based Lighting
- Anti-Aliasing Best Practices
- Qt Quick 3D Scenes with 2D Content
- Programmable Materials, Effects, Geometry, and Texture data
- Build-time materials
- Skeletal Animation
- Morphing Animation
- Instanced Rendering
- Level of Detail
- Custom Material Editor
- Lightmaps and Global Illumination
- View3D with Multiple Viewports
- Lights and Shadows
- Dynamic Model Creation
- Principled Material
- Built-in effects and tonemapping
- Qt Quick Items within the 3D Scene
- Custom Materials
- Unshaded Custom Materials
- Writing Custom Post-Processing Effects
- Adding Custom Geometry from C++
- Adding Custom Texture Data from C++
- Using baked lightmaps
- All examples
- Qt Quick 3D QML Types
- Qt Quick 3D C++ Classes
- Qt Quick 3D Helpers QML Types
- Qt Quick 3D Asset Utility QML Types
- Qt Quick 3D Particles3D QML Types
Licenses and Attributions
Qt Quick 3D is available under the commercial license from The Qt Company. In addition, it is available under the GNU General Public License, version 3. See Qt Licensing for further details.
Furthermore, Qt Quick 3D potentially contains third party modules under the following permissive licenses:
Apache License 2.0
BSD 3-clause "New" or "Revised" Licensee
BSD 3-clause "New" or "Revised" License
© 2023 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.