Hi Thiago, On Monday 18 Mar 2013 15:55:25 Thiago Macieira wrote: > On segunda-feira, 18 de março de 2013 20.07.34, Simon St James wrote: > > Currently, performance is surprisingly good considering we are still using > > the "raster" graphics system where everything is plotted pixel by pixel by > > Qt and then flushed to the canvas after pixel format conversion. > > However, > > we suspect that we can get significant gains in rendering speed by writing > > a Qt graphics system that uses HTML5 Canvas drawing primitives. > > [snip] > > > So I was wondering whether using Qt's opengl graphics system is feasible? > > I > > heard it was "experimental" and "not pixel-perfect", but I've not heard > > any > > reports that that matched mine, which makes me wonder if I just got very > > unlucky > > The OpenGL graphics system in Qt 4 is considered a done experiment, leading > to the conclusion that an OpenGL graphics system is a very bad idea. The > code itself never left experimental state and is considered flawed. Do not > use it. > > The experiment itself was a success, since it concluded that we should do > something entirely different for performance using OpenGL. That's the Qt 5 / > Qt Quick 2 scene graph.
Sounds pretty decisive, then :) Thanks for the information! Si _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest