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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