From: Chia-I Wu libGL is not a state tracker and cannot be
used with EGL (unless the EGL driver in use is egl_glx). To build
the OpenGL state tracker, one may append glx to
--with-state-trackers and manually build
-src/gallium/winsys/xlib/.
src/gallium/targets/libgl-xlib/.
The demos for OpenGL ES and OpenVG can be found in progs/es1/,
+
The demos for OpenGL ES and OpenVG can be found in progs/es1/,
progs/es2/ and progs/openvg/. You can use them to
test your build. For example,