On Sat, Jun 19, 2010 at 5:48 AM, Jonathan Morton <jonathan.mor...@movial.com> wrote: > On 17 June 2010 10:48, Huang, FrankR <frankr.hu...@amd.com> wrote: >> What I want to ask is that does driver need handle these all? I think it is >> a huge burden for the driver to judge. Why the server gave such parameters >> to driver? Maybe one of this special condition can make the driver rendering >> result fails, just as geode. And the most important thing is that, if the >> driver found it can not do that rendering, it is to late for put the >> rendering back to Xserver SW method. > > I suspect that EXA's designers didn't consider hardware quite as > simple as Geode when working out the API. > > In fact, I believe they were thinking of the Intel GMA core series, > which requires some setup before use, and is not normally considered a > high-performance solution, but is fairly flexible. Most PC-style > hardware is either of that type, or considerably more capable (such as > your X1200), or is considered too old to be worth implementing the > Composite function for (eg. original Matrox Mystique). > > An unfortunate fact of EXA is that you need to throughly understand > XRender's requirements when implementing the Composite function. This > is fairly poorly documented. >
Jonathan, What's missing exactly? Keith, you have any documentation on that aspect hanging around? Anyone familiar have anything/wanna take 5 minutes and write something up. I'll make sure it gets put on the wiki. Matt _______________________________________________ xorg-devel@lists.x.org: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
