On Thu, Dec 11, 2014 at 4:46 AM, Germán Arias <germanan...@gmx.es> wrote:
> * Opal backend: > http://lists.gnu.org/archive/html/discuss-gnustep/2013-09/msg00173.html > * UIKit for GNUstep (Opal backend is necessary for this? Or better if we > use directly OpenGL ES?) I'll restate what my thoughts on this are. For UIKit, there are two approaches I personally would consider okay: ** Build a new implementation on top of Core Animation. Do not update AppKit to be Core Animation-capable. This one does not require finishing Opal backend, or writing code that would integrate CA into AppKit. Required is fixing/finalizing Core Animation and carefully structuring UIKit -- from scratch. ** Update AppKit to be Core Animation-capable. Reuse Chameleon as an implementation of UIKit on top of AppKit. This one requires: - getting -gui to render everything using Opal - fixing/finalizing Core Animation (as documented multiple times -- it should not redraw every frame if no animation happened, the code needs cleanup, etc) - adding NSView categories into the Core Animation library (to avoid actually making -gui depend on CA) - compile Chameleon and pray everything works - when it doesn't, fix issues, if needed submit a patch upstream, and go to previous step -- Ivan Vučica i...@vucica.net
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