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Fix the QOpenGL autotest's offscreen surface handling

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Be more robust.

Change-Id: I0e37612681140530c81cfd0082cca61f0f21958c
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
This commit is contained in:
Laszlo Agocs 2014-03-25 15:27:05 +01:00 committed by The Qt Project
parent eab7efd1ee
commit ad1c088a2a
1 changed files with 15 additions and 0 deletions
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15
tests/auto/gui/qopengl/tst_qopengl.cpp
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@ -157,7 +157,22 @@ static QSurface *createSurface(int surfaceClass)
window->create();
return window;
} else if (surfaceClass == int(QSurface::Offscreen)) {
// Create a window and get the format from that. For example, if an EGL
// implementation provides 565 and 888 configs for PBUFFER_BIT but only
// 888 for WINDOW_BIT, we may end up with a pbuffer surface that is
// incompatible with the context since it could choose the 565 while the
// window and the context uses a config with 888.
static QSurfaceFormat format;
if (format.redBufferSize() == -1) {
QWindow *window = new QWindow;
window->setSurfaceType(QWindow::OpenGLSurface);
window->setGeometry(0, 0, 10, 10);
window->create();
format = window->format();
delete window;
}
QOffscreenSurface *offscreenSurface = new QOffscreenSurface;
offscreenSurface->setFormat(format);
offscreenSurface->create();
return offscreenSurface;
}