On Wed, Jul 01, 2020 at 10:13:48PM +0530, hanishkvc wrote: > v04-20200701IST2132, fbdetile > > Optimised Generic Detile logic to detile multiple tiles in parallel, > logically speaking. This reduces cross check overheads to some extent > and thus improves speed a bit. While in a hardware or multicore setup, > it can be used to parallelise the detiling operations in a true sense. > > Add a additional level of subtiling wrt Tile-Yf, which I had missed out > in the dirChangesList based tiling configuration, which is used by my > generic detiling logic. THe overhead due to this additional subtiling > is compensated by the speed gains due to parallel detiling. > > NOTE: This is a consolidated patch, it contains previous versions also > > v03-20200629IST2208 fbdetile > > Added a generic detiling logic, which can be easily configured to > detile many different tiling schemes. > > The same is inturn used to detile Intel Tile-Yf layout. > > v02-20200627IST2331 > > Unrolled Intel Legacy Tile-Y detiling logic. > > Also a consolidated patch file, instead of the previous development > flow based multiple patch files. > > v01-20200627IST1308 > > Implemented Intel Legacy Tile-X and Tile-Y detiling logic > > NOTES: > > This video filter allows framebuffers which are tiled to be detiled > using logic running on the cpu, into a linear layout. > > Currently it supports Intel Legacy Tile-X and Tile-Y layout detiling, > as well as the newer Intel Tile-Yf layouts. > > THis should help one to work with frames captured (say using kmsgrab) > on laptops having Intel GPU. This can be done live while capturing > itself, or it can be applied later as a seperate pass. > > Tile-X conversion logic has been explicitly cross checked, with Tile-X > based frames. However Tile-Y and Tile-Yf conv logics havent been tested > with Tile-Y | Tile-Yf based frames, but it should potentially get the > job done, based on my current understanding of these layout formats. A > minimal test has been done by seeing how a multicolor linear framebuffer > gets converted into a patterned layout, depending on the detile walk. > --- > Changelog | 1 + > doc/filters.texi | 74 +++++ > libavfilter/Makefile | 1 + > libavfilter/allfilters.c | 1 + > libavfilter/vf_fbdetile.c | 568 ++++++++++++++++++++++++++++++++++++++ > 5 files changed, 645 insertions(+) > create mode 100644 libavfilter/vf_fbdetile.c
This breaks build on non x86
src/libavfilter/vf_fbdetile.c:81:10: fatal error: x86intrin.h: No such file or
directory
#include <x86intrin.h>
^~~~~~~~~~~~~
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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