On Sat, 16 Sep 2006 07:21:09 GMT "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> babbled:
> > > > Much ado about gradients, but hopefully all this will make > > > it easier to work with grads in current edje and otherwise. > > > > > > Comments...? > > > > sounds good - one thing i did notice - gradient fills are a lot > > slower than images... :) i noticed when cross-fading wallpapers > > @ 1600x1200 with gradient bg's :) > > > I'll get back to you on the rest later... I've a fairly > busy wekend ahead and need to get some sleeeeeep :) Nearly done > with things - just a tiiiny bit more to do, and then merely check > every evas src file to see if something stands out..... > > But as far as grad rendering speed... They'll never be > as fast as image rendering, ever. Not with any kind of software > implementation. > The best you can do is to match it in certain special cases. > Every dst pixel needs to be composited with some src pixel, and > with grads the src pixel needs to be generated on the fly via > possibly several interp steps.. at least one step more than images. wel grads do have an advantage on modern cpu's - much less memory bandwidth- no need to read the src image pixels - as you can generate on the fly. :) they can be fast - it's just a matter of making the calculation as fast as possible :) > You can match it by special casing (aka more code) or by > caching results as images for redraws.. but every special case > that one can do for grads (eg. horz/vert grads etc), one can have > the same for images. On the 'plus' side, grads require a lot less > input data to generate large regions with varied geometrical shapes, > etc. sure :) mind you - i am comparing grads vs. images when being scaled and interpolated - the non-scaled image is smooth. the scaled image i think visually was a bit smoother than grads. anyway - it was just an observation for now :) > Nevertheless, yes grads can definately benefit from some > optimizations :) there we go - that's all i want to mention :) they aren't "close to optimal".... YET :) -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [EMAIL PROTECTED] 裸好多 Tokyo, Japan (東京 日本) ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
