Hi Uma, On 10 November 2017 at 08:37, Shankar, Uma <uma.shan...@intel.com> wrote: >>This is missing documentation on how plane colour management interacts with >>CRTC colour management. Is it a step before CRTC colour management is >>applied, or does it bypass CRTC colour management, or ... ? >> > > We can have color correction at 2 places in the Display hardware pipeline > 1. At plane level (before blending) > 2. At pipe level (after blending) > > Both can be used and function independently of each other. Typical use case > can be: > > 2 Layers planes/overlays with different color space and formats. These can be > converted to one > common color space using the plane level color correction, then blended > together. If needed > pipe color correction can be applied on the blended output (based on use case > and scenarios)
This is roughly what I'd expected, but I don't believe the same to be true of all hardware, and it would certainly need to be documented. Thanks for the explanation! Cheers, Daniel _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
