From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Korsgaard Date: Tue, 26 May 2020 11:21:33 +0200 Subject: [Buildroot] [PATCH 1/1] package/mesa3d: reorder platforms to fix EGL In-Reply-To: <20200513014928.1878147-1-joseph.kogut@gmail.com> (Joseph Kogut's message of "Tue, 12 May 2020 18:49:28 -0700") References: <20200513014928.1878147-1-joseph.kogut@gmail.com> Message-ID: <87v9kjgig2.fsf@dell.be.48ers.dk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net >>>>> "Joseph" == Joseph Kogut writes: > Mesa chooses the first platform specified in -Dplatforms as the default > EGL native platform. [0] > Configure Options > -D platforms=... > List the platforms (window systems) to support. Its argument is > a comma separated string such as -D platforms=x11,drm. It > decides the platforms a driver may support. The first listed > platform is also used by the main library to decide the native > platform. > This has the effect of breaking EGL applications running on X11 and > possibly Wayland when the first platform specified isn't x11 or wayland, > and EGL_PLATFORM isn't set. > Reorder the specified platforms to use x11, wayland, and drm before > surfaceless, as this is the order chosen by other common distributions, > such as Arch Linux [1], Debian [2], and Fedora [3]. > Users preferring drm or surfaceless over x11 or wayland likely know how > to override the native EGL platform, and likely have x11 and wayland > disabled anyway. > [0] https://www.mesa3d.org/egl.html > [1] https://git.archlinux.org/svntogit/packages.git/tree/trunk/PKGBUILD?h=packages/mesa#n45 > [2] https://salsa.debian.org/xorg-team/lib/mesa/-/blob/fb8c1efb57ea8106525ed01c41218164f8be7f3b/debian/rules#L38 > [3] https://src.fedoraproject.org/rpms/mesa/blob/master/f/mesa.spec#_337 > Signed-off-by: Joseph Kogut > --- > This is a follow up to a previous email I sent the mailing list [0] about > broken EGL apps when using mesa3d with x11. > I discovered the cause of this issue is the ordering of platforms when > building mesa3d, making surfaceless the default native platform. > I suggested adding a config to specify the default native platform, but > after further review, I believe that simply reordering the enabled > platforms should be adequate. > [0] http://buildroot-busybox.2317881.n4.nabble.com/mesa3d-builds-with-ES2-report-no-ES2-enabled-EGL-configs-td255778.html Committed to 2020.02.x, thanks. -- Bye, Peter Korsgaard