How to disable DirectX in JUCE 8?

[reuk]

We’ve pushed some significant updates to the Direct2D backend that should improve performance when working with Images. This change will improve performance for projects that use setBufferedToImage, and effects like shadows and glows.

More details here:

Direct2D Causes Considerable Performance Drop

We’ve pushed some updates for Images that should help performance when working with D2D images. You can now call Image::setBackupEnabled (false) to disable flushing of the image to main memory after modifying it on the GPU, e.g. via a Graphics instance. The relevant change is here: As part of this change, we’ve updated StandardCachedComponentImage, DropShadowEffect, and GlowEffect to use this new behaviour, so projects that are using setBufferedToImage and/or component effects should see per…