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Reviewed-by: Trust Me
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The previous code might have failed if the desired extension name
was a prefix of another name: "EGL_foo" member of "EGL_foo_bar".
This change introduces a more precise check.
Task-number: QTBUG-6454
Reviewed-by: Sarah Smith
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When mixing GL and VG in the same thread, some devices require
that eglBindAPI() be called before eglMakeCurrent() when switching
between context types. The EGL spec indicates that this shouldn't
be required unless the context parameter is EGL_NO_CONTEXT, but it
isn't a big deal to work around slightly non-compliant devices.
Reviewed-by: Tom Cooksey
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Context sharing was enabled on EGL systems, but QGLContext::isSharing()
was still returning false because the flag in QGLContextPrivate
was not updated.
Reviewed-by: Sarah Smith
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Reviewed-By: Rhys Weatherley
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Allow higher layers in QtOpenGL and QtOpenVG to set the EGLConfig
and EGLContext manually if they have some other way to determine
what the values should be (e.g. constructing a special config for a
specific platform). Also add a QEglProperties argument to
createContext() to allow fine-tuning of the context parameters.
Reviewed-by: Sarah Smith
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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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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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This is private API
Reviewed-By: Trustme
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Reviewed-by: Trust Me
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According to the spec, if we pass a 0 out pointer,
EGL should tell us how many configurations are available.
However, we pass a 0 out pointer, but say that it's 256 elements big,
it confuses some implementations. Fix that by passing a 0 out pointer
and saying that it has space for 0 elements. Now we correctly get the
amount of available configs.
Reviewed-by: Rhys Weatherley <rhys.weatherley@nokia.com>
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Reviewed-By: Rhys Weatherley
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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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