Drop patches included in upstream and the EGL_MESA_screen_surface
extension fixes as the relevant code was removed.

Rebase other patches.

Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

There are platforms that default to EGL only configurations
in which case the GLX applications are not required
at all. Allow the user to control generation of these
demos as needed through a configure switch.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

sp and text demos rendering single frame. to display the
single frame rendered needed a eglSwapBuffer to diplay to window.
Hence added eglutPostRedisplay to display the frame.

Signed-off-by: Tom Hochstein <tom.hochstein@nxp.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

The mesa surface EGL_MESA_screen_surface was obsoleted
and then dropped from mesa some time ago. Drop demos
depending on this.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

Where Signed-off-by statements have been added they were sourced from the
original commit where the author claims creation.

Signed-off-by: Ross Burton <ross.burton@intel.com>

This patch fixes a deadlock that occurs between the main
thread and rendering threads of the sharedtex_mt demo.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

Set glu_enabled when pkg-config detects GLU.  This is needed so
that HAVE_GLU is properly set to enable the GLU based demos.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

This forces it to be built first since many of the demos
require it.  Resolves build failures such as the following
when certain demos are enabled (notably when PACKAGECONFIG
contains glut):

    make[2]: *** No rule to make target `../util/libutil.la', needed by `copypix'.  Stop.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

Modify mesa demo apps to respect the DEMOS_DATA_DIR
configuration parameter for locating data files.

Signed-off-by: Drew Moseley <drew_moseley@mentor.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>