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If another GL context is bound to another surface on the GUI
thread, we can run into issues while cleaning up the SG nodes.
Task-number: QTBUG-34898
Change-Id: Ifa02b7cdbc7ab38b3a149a21452cc5071498a7d1
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
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Since we are sorting batches based on the zorder of the first element
it is crucial that we don't continue adding to batches once an overlap
with a compatible element is found.
Task-number: QTBUG-34864
Change-Id: Ic2194c5c17bba0bc9874a14e8a69c81bff75bd1c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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We pretransform vertices relative to their batch root and upload these
using single-precision floats. If the offsets are huge then the
floating point numbers start to get unstable and we get rendering
artifacts as a result. This typically happens for lists/tables with
huge models.
Task-number: QTBUG-34312
Change-Id: I2516f2b4fa93f44a1288659d05458fb1af0df943
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
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Change-Id: I5d975735b0975f284b8aee15541f208e3deb704f
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
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This API is primarily a hook which is needed by the Qt WebEngine to
set up sharing with the scene graph's OpenGL contexts.
Change-Id: I5bb03abd9ab99f502db8e413fe838a8b30365b8d
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>
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See the task for the full reasoning behind this patch.
The threaded renderloop has been refactored to have one window per
thread. This is mostly a simplification of the current code path where
for loops over multiple windows are turned into if (window).
The QSGContext has been split into two classes, QSGRenderContext
for which there is one per OpenGLContext.
The rest of the patch is name changes and a couple of cleanups
in the hopes of simplifying this change.
Task-number: QTBUG-33993
Change-Id: I31c81f9694d7da7474a72333169be38de62613c4
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
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