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Reviewed-by: Sarah Smith
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Reviewed-by: Sarah Smith
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The QT_VG_SWAP_INTERVAL environment variable can be used to
specify a value for eglSwapInterval().
Task-number: QT-2409
Reviewed-by: trustme
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Rendering into a QImage as a window backing store isn't very efficient
and isn't needed by any of our current platforms. If a specific
graphics system needs it in the future, it can implement it directly.
Reviewed-by: trustme
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The EGL implementation used in S60/NGA for OpenVG does not
return a configuration with alpha masking unless it is
explicitly requested.
Reviewed-by: Julian de Bhal
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Reviewed-by: Sarah Smith
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QtOpenVG was doing a lot of housekeeping to avoid having to
switch EGL contexts if the same surface was used over and over.
This housekeeping really belongs in the QEgl layer so that
QtOpenGL could potentially use it as well.
This change also adds some overrides for makeCurrent(),
swapBuffers(), and destroySurface() that take an EGLSurface
directly. This is the first step in separating EGL surface
management from context management.
Reviewed-by: Sarah Smith
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The reference count was reducing down to zero during paint engine
cleanup when we weren't ready to destroy the context. Artificially
increase it to prevent the early context destroy.
Reviewed-by: Sarah Smith
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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OpenVG window surfaces were leaking because the QVGEGLWindowSurfaceDirect
destructor was previously not cleaning up the EGLSurface object.
Reviewed-by: trustme
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Reviewed-by: Trust Me
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This change also moves the EGL support classes from QtOpenGL to QtGui
so they can be shared between OpenGL and OpenVG.
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