On Thu, 2004-08-19 at 14:37, Alex Deucher wrote: > On Thu, 19 Aug 2004 09:13:44 -0400, Robert S. Kerr <[EMAIL PROTECTED]> wrote: > > > > >Yep. In a small window the image shows right. In medium windows there are 2 > > >"zones". In a fullscreen window (1024x768) I can see 3 zones. > > >It's strange that nobody noticed it before. > > > > > > > > > > I've been experimenting with this problem a bit and I'm pretty sure at > > this point it relates to something in the horizontal scaling portions of > > the savage Xv stuff. I found a simple program > > (http://www.xfree86.org/~mvojkovi/suzi.tar.gz, makes an executable > > called rotyuv) that repeatably demonstrates the issue and allows me to > > explore it a bit more. > > > > Running it shows an image (redrawn constantly so it is a 'still' video) > > that you can stretch and resize and the program scales the image > > accordingly. You can stretch the image full screen vertically and no > > artifacts appear. However when you stretch it past 703 pixels wide on > > my machine it flips into the 2 zone mode. > > AH! nice work! I think I know exactly where the problem is. Take a > look at savage_video.c > > WHich driver are you working on? xorg cvs with my patch or DRI cvs? > > there are two possible spots. > 1. Look for the section that starts: > > /* > * Process horizontal scaling > * upscaling and downscaling smaller than 2:1 controled by MM8198 > * MM8190 controls downscaling mode larger than 2:1 > */ > > this is where the hoziontal scaling is done. > > 2. this block: > > /* Calculate horizontal scale factor. */ > if (S3_MOBILE_TWISTER_SERIES(psav->Chipset) > && psav->FPExpansion) { > drw_w = (((float)(drw_w * psav->XExp1)/(float)psav->XExp2)+1); > drw_h = (float)(drw_h * psav->YExp1)/(float)psav->YExp2+1; > dstBox->x1 = (float)(dstBox->x1 * psav->XExp1)/(float)psav->XExp2; > dstBox->y1 = (float)(dstBox->y1 * psav->YExp1)/(float)psav->YExp2; > > dstBox->x1 += psav->displayXoffset; > dstBox->y1 += psav->displayYoffset; > } > > This came from S3/VIA's code. I don't have a mobile twister so I > can't really test, however it seemed to work based on reports using > the DRI DDX. >
Well, after check out xorg cvs and testing. Now with savage dri on my mobile, seems the start window if just been draw on square on left-upper with 1/2 area of fullscreen and the rest of background all black. any idea of what I could try ? thanks, -- Sérgio M. B. ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_idP47&alloc_id808&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
