BoxingViewportAdapter issue when using a RenderTarget2D

@Noxalus wrote:

Hello everyone

I'm currently trying to figure out why the BoxingViewportAdapter doesn't work as expected when I'm using a RenderTarget2D. The simple fact of calling GraphicsDevice.SetRenderTarget() will make the boxing viewport adapter have the same results than if I used the scaling viewport adapter, and I don't understand why

Here is a quick example, I've just updated the Demo.ViewportAdapters project to only use a BoxingViewportAdapter and to create and clear a RenderTarget2D (without using it anyway):

You can see that commenting the line 56, it works as expected whereas it shouldn't have any impact:

_graphics.GraphicsDevice.SetRenderTarget(_renderTarget);

Do you know what happens?

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