On Mon, 12 Dec 2005 03:31:32 -0500 Jose O Gonzalez <[EMAIL PROTECTED]> babbled:
> They'll remain in deep freeze til you let me know otherwise :) > > As far as the blend functions... > > From that one screenshot, it's unlikely that the dst-alpha > blend functions are causing what is seen, since the areas where > the src (icon and text) images are being drawn to, seem to be opague, > and there the dst-alpha blend funcs just do non-dst-alpha blending.. > Also, the corners aren't being touched by any src data, I presume, > and yet they are not transparent, etc.. But I can't say much more > from just that screenshot (I don't have the 'theme' or its images). trust me - it was dst alpha calls - i had other exmaples too to work with. i know what fn was causing troubles in one example - and the same logic was in all the dst alpha blend routines. > I thus took a bit of time to run some tests on the blend funcs. > Not exhaustive by any means, but a few... Blending to dst images > with alpha, with src images with/without alpha, and with alpha masks > plus colors with/without alpha, for both the c and mmx versions, and... > > I sure don't see any problems. > > But, you seem certain, and could well be right... i am very certain :) > > > > correct. found it. the destination alpha math definitely gets > > things > > > > wrong.. > > > > like forgetting in 2's compliment binary math on single 32bit > > values > > > > that > > > > values can overflow... into the next, etc. unlike mmx/'sse where > > the > > > > simd ops > > > > protect the values form eachother... > > If you can tell me exactly which functions... :) > > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. Do you grep through log files > for problems? Stop! Download the new AJAX search engine that makes > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click > _______________________________________________ > enlightenment-devel mailing list > enlightenment-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] 裸好多 Tokyo, Japan (東京 日本) ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
