~gerboland/qtubuntu/graphics-logging-category

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Convert UbuntuOpenGLContext to use QEGLPlatformContext, and allow clients to customize chosen GLConfig (LP: #1507817, #1549455)

added added

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$ qmlscene -platform ubuntumirclient Foo.qml

$ QT_QPA_PLATFORM=ubuntumirclient qmlscene Foo.qml

The QPA plugins expose the following environment variables:

QTUBUNTU_SWAPINTERVAL: Specifies the required swap interval as an

integer. 1 by default.

QTUBUNTU_MULTISAMPLE: Enables multisampling with using 4 samples

per fragment.

This QPA plugin exposes the following environment variables:

QT_QPA_EGLFS_SWAPINTERVAL: Specifies the required swap interval as an

integer. 1 by default.

QTUBUNTU_NO_THREADED_OPENGL: Disables QtQuick threaded OpenGL

rendering.

* ubuntumirclient.swapBuffers - Messages related to surface buffer swapping.

* ubuntumirclient - For all other messages.

The QT_QPA_EGLFS_DEBUG environment variable prints a little more information

from Qt's internals.

4. Building

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