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Avoid using GLX pbuffers on fglrx

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Task-number: QTBUG-34427
Change-Id: Ief4fe2fe2ab099d4ec61b6bfb2272724dfb2a800
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
This commit is contained in:
Laszlo Agocs 2013-11-12 15:37:57 +01:00 committed by The Qt Project
parent 9f75292a60
commit f3f25b1469
1 changed files with 16 additions and 3 deletions
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19
src/plugins/platforms/xcb/qglxintegration.cpp
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@ -436,11 +436,23 @@ void QGLXContext::queryDummyContext()
if (oldContext)
oldSurface = oldContext->surface();
QOffscreenSurface surface;
surface.create();
QScopedPointer<QSurface> surface;
const char *vendor = glXGetClientString(glXGetCurrentDisplay(), GLX_VENDOR);
if (vendor && !strcmp(vendor, "ATI")) {
QWindow *window = new QWindow;
window->resize(64, 64);
window->setSurfaceType(QSurface::OpenGLSurface);
window->create();
surface.reset(window);
} else {
QOffscreenSurface *offSurface = new QOffscreenSurface;
offSurface->create();
surface.reset(offSurface);
}
QOpenGLContext context;
context.create();
context.makeCurrent(&surface);
context.makeCurrent(surface.data());
const char *renderer = (const char *) glGetString(GL_RENDERER);
@ -452,6 +464,7 @@ void QGLXContext::queryDummyContext()
}
}
context.doneCurrent();
if (oldContext && oldSurface)
oldContext->makeCurrent(oldSurface);
}