From 49381d63e61c724b156b76068058df1c01a906c2 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Mon, 11 Jan 2010 01:23:01 +0800
Subject: st/egl_g3d: New EGL state tracker that uses Gallium.

This new (intermediate) EGL state tracker is the base work for EGL
drivers that uses Gallium.  It makes it easier to support new window
systems.

Currently, there is support only for X11.  This driver supports multiple
APIs (OpenVG, OpenGL, ...) and supports hardware acceleration through
winsys/drm.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
---
 configure.ac | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index b388723113..8a8919b137 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1191,6 +1191,35 @@ yes)
     ;;
 esac
 
+AC_ARG_WITH([egl-displays],
+    [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
+        [comma delimited native displays libEGL supports, e.g.
+        "x11" @<:@default=auto@:>@])],
+    [with_egl_displays="$withval"],
+    [with_egl_displays=yes])
+
+EGL_DISPLAYS=""
+case "$with_egl_displays" in
+yes)
+    if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
+        EGL_DISPLAYS="x11"
+    fi
+    ;;
+*)
+    if test "x$enable_egl" != xyes; then
+        AC_MSG_ERROR([cannot build egl state tracker without EGL library])
+    fi
+    # verify the requested driver directories exist
+    egl_displays=`IFS=', '; echo $with_egl_displays`
+    for dpy in $egl_displays; do
+        test -d "$srcdir/src/gallium/state_trackers/egl_g3d/$dpy" || \
+            AC_MSG_ERROR([EGL display '$dpy' does't exist])
+    done
+    EGL_DISPLAYS="$egl_displays"
+    ;;
+esac
+AC_SUBST([EGL_DISPLAYS])
+
 AC_ARG_WITH([xorg-driver-dir],
     [AS_HELP_STRING([--with-xorg-driver-dir=DIR],
                     [Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])],
-- 
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