Hi,
that's pretty much exactly what the implementation of Scene3D does:
http://code.qt.io/cgit/qt/qt3d.git/tree/src/quick3d/imports/scene3d
Cheers,
Sean
On 14/12/2015 20:06, Harald Vistnes wrote:
Hi,
I'm trying to do offscreen rendering with Qt3D, but I have not figured
out how to do it yet. I have two use cases for this. One is to render
a single image in a console application, the other is to have a
desktop application with a 3D window and a button to save the current
view in a user specified resolution.
I'm guessing I should use a subclass of QOffscreenSurface instead of
QWindow as the surface, is that right? Or should I pass a custom
render target to the render target selector in the frame graph?
But how can I make Qt3D render a single frame, and how can I get the
rendered image back? In QOpenGLFrameBufferObject there are toImage()
functions, but there are no such functions in
Qt3DRender::QRenderTarget. Is there a way to do this, or have this
functionality not been implemented yet?
Any hints on how to proceed would be welcome.
Harald
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