From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Bultel Date: Tue, 09 Dec 2014 15:38:49 +0100 Subject: [Buildroot] questions about xdriver_xf86-video-imx-viv In-Reply-To: <1981204.idyJZvJsiF@aquila> References: <5486C8A5.3060006@free.fr> <1981204.idyJZvJsiF@aquila> Message-ID: <54870979.5060509@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Le 09/12/2014 14:28, J?r?me Pouiller a ?crit : > On Tuesday 09 December 2014 11:02:13 Thierry Bultel wrote: >> Jerome, >> >> I was also currently attempting to bring the work from yocto to >> buildroot. I do not have a working board, yet, since we are migrating >> our BSP from 3.0.35 to 3.10.17. Thus I am only preparing the >> integration, but cannot test at the moment. >> >> There is something I do not understand. >> With the previous version of xdriver_xf86-video-imx-viv , >> the build in the DRI directory was producing a libdri.so, which >> was loaded by xserver. >> >> For what I see, only $(@D)/EXA/src is built now. >> >> libdri.so is not needed anymore ? > DRI directory provided by Vivante is used to provide OpenGL API. At the > beginning I tried to make it works. > > Finally, comparing with Yocto, I found Yocto did not compile nor use DRI > provided by Vivante[1]. > > I remember I finally saw somewhere[2] OpenGL support was broken. It convinces > me to not work any more on this topic. > >> Also, when you say: " This driver should >> + also be able to provide Desktop OpenGL implementation but, this >> + feature seems broken for a while." >> >> does that mean that windowed 3D does not work, but that only full screen >> does ? > Thanks, we use OpenGLES so that should make it. I looking forward to seeing your patches accepted. Regards Thierry > Windowed 3D works if you use OpenGLES API. You can also use software > rendering (swrast) provided by mesa3d (this is solution provided by > Yocto), but I don't think we can consider this is a solution. > > > [1] See > meta-fsl-arm/recipes-graphics/xorg-driver/xf86-video-imxfb-vivante_3.10.17-1.0.1.bb > > [2] maybe there: > http://permalink.gmane.org/gmane.linux.embedded.yocto.meta-freescale/8260 >