On 2018-01-09 10:21 PM, Keith Packard wrote: > 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.
Sounds like we only want patch 1 then? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
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