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Make it possible to disable partial update at runtime

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This makes it possible to disable the partial updates and the swap
buffers with damage at runtime.
This commit is contained in:
Bhushan Shah 2020-11-24 11:23:37 +05:30
parent 70393eec6f
commit 870679e46f
1 changed files with 6 additions and 1 deletions
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7
platformsupport/scenes/opengl/abstract_egl_backend.cpp
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@ -185,7 +185,12 @@ void AbstractEglBackend::initBufferAge()
setSupportsBufferAge(true);
}
setSupportsPartialUpdate(hasExtension(QByteArrayLiteral("EGL_KHR_partial_update")));
if (hasExtension(QByteArrayLiteral("EGL_KHR_partial_update"))) {
const QByteArray usePartialUpdate = qgetenv("KWIN_USE_PARTIAL_UPDATE");
if (usePartialUpdate != "0") {
setSupportsPartialUpdate(true);
}
}
setSupportsSwapBuffersWithDamage(hasExtension(QByteArrayLiteral("EGL_EXT_swap_buffers_with_damage")));
}