Alex Goins <[email protected]> writes:

> RRCrtcGetScanoutSize() adds a significant amount of complexity compared to
> simply checking the rotation and swapping width and height, since it operates 
> by
> applying the transformation matrix crtc->transform to the mode.

There's also an implicit assumption that when a transform is applied,
there will be a shadow buffer and so the scanout buffer need not be
large enough to hold the whole image. I don't know if that's useful in
practice, but that is why there are two different paths here.

-- 
-keith

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