https://bugs.freedesktop.org/show_bug.cgi?id=84566
--- Comment #45 from Jason Ekstrand <ja...@jlekstrand.net> --- (In reply to Iago Toral from comment #44) > (In reply to Iago Toral from comment #43) > (...) > > 3) Luminance formats have special requirements. A conversion to Luminance > > from RGBA requires to do L=R+G+B for example. This is something that > > _mesa_format_convert cannot achieve at the moment, because neither > > pack/unpack functions nor _mesa_swizzle_and_convert do this kind of > > operation, so I wonder what is the right thing to do here. We could run > > another pass that computes these values after the conversion. We could do > > this inside _mesa_format_convert or in the client, after calling > > _mesa_format_convert I suppose there are no other options. The current code > > does another pass specifically for this, right before packing to the dst. > > And likewise, a conversion to RGBA from Luminance requires to do > R=L,G=0,B=0,A=1, but unpack functions and _mesa_swizzle_and_convert will do > R=L,G=L,B=L,A=1, so again we need another pass to correct this to the > expected result. That one should be easy. We can just have a fake internal format for RA. -- You are receiving this mail because: You are the QA Contact for the bug.
_______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
