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From a1b59ca6b1781442f37ffc1b697635db126b3a22 Mon Sep 17 00:00:00 2001
From: Carlos Rafael Giani <dv@pseudoterminal.org>
Date: Thu, 19 Jul 2018 10:30:54 +0200
Subject: [PATCH] gl: Add switch for explicitely enabling/disabling GBM support
Upstream-Status: Submitted [https://bugzilla.gnome.org/show_bug.cgi?id=796833]
Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
---
m4/gst-gl.m4 | 30 ++++++++++++++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/m4/gst-gl.m4 b/m4/gst-gl.m4
index 1e9724094..aca5295cc 100644
--- a/m4/gst-gl.m4
+++ b/m4/gst-gl.m4
@@ -117,6 +117,15 @@ AC_ARG_ENABLE([dispmanx],
*) AC_MSG_ERROR([bad value ${enableval} for --enable-dispmanx]) ;;
esac],[NEED_DISPMANX=auto])
+AC_ARG_ENABLE([gbm],
+ [ --enable-gbm Enable Mesa3D GBM support (requires EGL) @<:@default=auto@:>@],
+ [case "${enableval}" in
+ yes) NEED_GBM=yes ;;
+ no) NEED_GBM=no ;;
+ auto) NEED_GBM=auto ;;
+ *) AC_MSG_ERROR([bad value ${enableval} for --enable-gbm]) ;;
+ esac],[NEED_GBM=auto])
+
AG_GST_PKG_CHECK_MODULES(X11_XCB, x11-xcb)
save_CPPFLAGS="$CPPFLAGS"
save_LIBS="$LIBS"
@@ -172,15 +181,32 @@ case $host in
AC_CHECK_LIB([EGL], [fbGetDisplay], [HAVE_VIV_FB_EGL=yes])
fi
- if test "x$HAVE_EGL" = "xyes"; then
+ if test "x$NEED_GBM" != "xno"; then
+ if test "x$HAVE_EGL" = "xyes"; then
PKG_CHECK_MODULES(DRM, libdrm >= 2.4.55, HAVE_DRM=yes, HAVE_DRM=no)
AC_SUBST(DRM_CFLAGS)
AC_SUBST(DRM_LIBS)
+ if test "x$NEED_GBM" = "xyes"; then
+ if test "x$HAVE_DRM" = "xno"; then
+ AC_MSG_ERROR([GBM support requested but libdrm is not available])
+ fi
+ if test "x$HAVE_GUDEV" = "xno"; then
+ AC_MSG_ERROR([GBM support requested but gudev is not available])
+ fi
+ fi
if test "x$HAVE_DRM" = "xyes" -a "x$HAVE_GUDEV" = "xyes"; then
PKG_CHECK_MODULES(GBM, gbm, HAVE_GBM_EGL=yes, HAVE_GBM_EGL=no)
+ if test "x$HAVE_GBM_EGL" = "xno" -a "x$NEED_GBM" = "xyes"; then
+ AC_MSG_ERROR([GBM support requested but gbm library is not available])
+ fi
AC_SUBST(GBM_CFLAGS)
AC_SUBST(GBM_LIBS)
- fi
+ fi
+ elif test "x$NEED_GBM" = "xyes"; then
+ AC_MSG_ERROR([GBM support requested but EGL is not available])
+ else
+ AC_MSG_NOTICE([GBM support requested but EGL is not available; not enabling GBM support])
+ fi
fi
dnl FIXME: Mali EGL depends on GLESv1 or GLESv2
--
2.17.1
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