Opengl 2.0-capable system
- #Opengl 2.0 capable system install#
- #Opengl 2.0 capable system drivers#
- #Opengl 2.0 capable system driver#
It is strongly recommended to use it also in custom builds, especially for Qt binaries that are deployed alongside applications. Note: As of Qt 5.5 this is the configuration used by the official, pre-built binary packages of Qt. To use this mode, pass -opengl dynamic to the configure script. In addition to the build time configuration, Qt supports choosing and loading the OpenGL implementation at runtime. To use an OpenGL ES 2.0 emulator instead of ANGLE, use the configure options: -opengl es2 -no-angle. To use OpenGL, pass the command line options -opengl desktop to the configure script.
#Opengl 2.0 capable system drivers#
If you installed additional OpenGL drivers from your hardware vendor, then you may want to consider using this version of OpenGL instead of ANGLE. To use a custom version of ANGLE, set the ANGLE_DIR environment variable to point to the ANGLE source tree before building Qt. Possible values are d3d11, d3d9 and warp.
![opengl 2.0-capable system opengl 2.0-capable system](https://www.researchgate.net/publication/319389775/figure/fig1/AS:779403063742485@1562835579443/OpenGL-fixed-function-graphics-pipeline-Source-Courtesy-of-Khronos-Group_Q320.jpg)
For these cases, the environment variable QT_ANGLE_PLATFORM (introduced in Qt 5.4) can be used to control the render backend. However, some graphics cards may not fully support it. ANGLE requires that the DirectX SDK is installed when building Qt.ĪNGLE chooses the render backend depending on availability. ANGLE implements the OpenGL ES 2.0 API on top of DirectX 11 or DirectX 9. Qt includes a version of the ANGLE project which is included from the Windows Qt installers.
#Opengl 2.0 capable system driver#
The default driver from Windows is OpenGL 1.1. To explicitly enable the use of ICU in Qt Core, pass -icu to configure:įor Qt Quick 2 to work, a graphics driver that provides OpenGL 2.1 or higher is required.
![opengl 2.0-capable system opengl 2.0-capable system](https://www.javelin-tech.com/blog/wp-content/uploads/2018/07/Pic-6.jpg)
Letting Qt Core utilize the ICU libraries however has following advantages: This reduces the size of a self-contained application package considerably. ICUįrom Qt 5.3 and onwards, configure does not link Qt Core against ICU libraries anymore by default. See Secure Sockets Layer (SSL) Classes for instructions on building Qt with SSL support. Support for Secure Sockets Layer (SSL) communication is provided by the OpenSSL Toolkit, which must be obtained separately.