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The global destructor for the clean up hooks might be called before the
global destructor for QPixmap objects. We shouldn't leave pixmaps
around that is destroyed after the QApplication destructor is called.
Task-number: QTBUG-8681
Reviewed-by: Tom Cooksey
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Reviewed-By: Trond
Autotest: tst_QGL::qglContextDefaultBindTexture
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This fixes quite a lot of issues:
* QtOpenGL only registered qpixmap destruction hooks on X11 and
those only cleanup the EGL/GLX surface, not the texture object.
* The QPixmap destruction hooks were only being called from the
QPixmap destructor. However, this means when a QPixmap is assigned
to another QPixmap, the hooks don't get called.
Task-number: QTBUG-7647
Reviewed-By: Samuel
Reviewed-By: Trond
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Reviewed-by: Trust Me
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Trying to fix QTBUG-6563, getting crash from cut-n-paste slippage, now fixed.
Task-number: QTBUG-6563
Reviewed-by: Rhys Weatherley
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Definitely a compiler bug.
Reviewed-by: Kent Hansen
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The QImagePixmapCleanupHooks instance was never deleted. Fixed by making
it a Q_GLOBAL_STATIC.
Task-number: QTBUG-6116
Reviewed-by: Trond
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Better than having to befriend QPixmapData and setting is_cached
manually.
Reviewed-by: Tom Cooksey
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Reviewed-By: TrustMe
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Before the QExplicitlySharedDataPointer change, the ref-count was 0 when
calling the cleanup hooks from ~QPixmap. That enabled the hook to figure
out if the pixmap is being modified or deleted. As the ref count is now
1 when calling the cleanup hooks in ~QPixmap, we need to seperate the
hooks.
This change should make using textre-from-pixmap faster as the EGL/glX
surface wont get re-created everytime the pixmap is modified.
Reviewed-By: Gunnar
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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The new class alows more than one hook to be installed at a time and,
for QPixmaps, the hook is told which pixmap is getting deleted.
Reviewed-By: Samuel
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