Hi Christian, I haven't taken that into account, but how will it any way affect my calculation. I have written the code taking inspiration from the way matrix_filter uses offsets.
Regards, Nayan. On Mon, Jun 27, 2016 at 6:55 PM, Christian König <deathsim...@vodafone.de> wrote: > Hi guys, > > Nayan have you taken into account that the pixel center is at 0.5 and not > 0.0? > > Regards, > Christian. > > > Am 26.06.2016 um 22:30 schrieb Andy Furniss: > >> Nayan Deshmukh wrote: >> >>> Hi Andy, >>> >>> On Sun, Jun 26, 2016 at 12:25 AM, Andy Furniss <adf.li...@gmail.com> >>> wrote: >>> >>> Nayan Deshmukh wrote: >>>> >>>> Hi Andy, >>>>> >>>>> Thanks for testing the patches. >>>>> >>>>> Please send me the videos and ratios with which there is corruption. >>>>> >>>>> >>>> >>>> >>>> https://drive.google.com/file/d/0BxP5-S1t9VEEaHZEM203RFpyNEE/view?usp=sharing >>>> >>>> This has no aspect encoded and displayed fullscreen on a 1920x1080 >>>> monitor shows vertical line artifacts over the first 2/3 of the image. >>>> >>>> When I say lines they are not lines as such just that the distortion >>>> on the pendulum shows as it passes over imaginary lines at fixed >>>> points on the screen. >>>> >>>> with mplayer -aspect 4/3 or 16/9 it doesn't. >>>> >>>> >>> I tested the videos and found out that the distortion is because of the >>> amount >>> of calculation done in the fragment shader. I tested the video with >>> vl_median_filter >>> and it showed no distortion however, with vl_matrix_filter( which >>> requires >>> more >>> calculations than vl_median_filter) it showed the same distortion. I'll >>> try >>> to make it >>> more efficient. But it still requires a lot of processing for a single >>> pixel as it uses >>> 15 neighbouring pixel. >>> >> >> Seems a bit strange, does the processing needed vary greatly with >> similar scale amounts? I have a powerful GPU and can force clocks >> high, but it makes no difference. >> >> Below is a png showing the artifacts I see on pendulum fullscreen >> are these what you see? >> >> If rather than full screen I stretch out the window to scale, there >> will be many sizes that don't produce those. >> >> >> https://drive.google.com/file/d/0BxP5-S1t9VEEd2hwNVp0ZXRSZTA/view?usp=sharing >> >> Also I don't see any offsets with the videos, may be I am missing >>> something. >>> If could tell me more about the offsets, I'll try to debug them. >>> >> >> >> https://drive.google.com/file/d/0BxP5-S1t9VEEUGZTbndOMzBNZnM/view?usp=sharing >> >> Is a default scale, if you download both pngs and use something to >> display them both at the same time and line up the windows one on >> top of the other then flip between them you can see although the >> windows are lined up the images contained are not. >> >> You can make your own screen/window shots with xwd and display them >> with xwud. For me using fluxbox as a desktop it's easy to line up >> windows as they snap a bit towards the edge of the screen YMMV. >> >> _______________________________________________ >> mesa-dev mailing list >> mesa-dev@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/mesa-dev >> > >
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