gtk: hook up to autotools build

configure.ac

@@ -234,6 +234,46 @@ AC_SUBST(GST_TOOLS_DIR)
 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
 
+AG_GST_PKG_CHECK_MODULES(GST_GL, gstreamer-gl-[$GST_API_VERSION], [$GST_REQ], no)
+
+dnl FIXME: if uninstalled setup we might not want to pick up an installed gst-gl?
+if test "x$HAVE_GST_GL" = "xyes"; then
+
+  AC_MSG_CHECKING([GStreamer OpenGL window systems ...])
+  GST_GL_WINSYS=`$PKG_CONFIG --variable=gl_winsys gstreamer-gl-1.0`
+  AC_MSG_RESULT([$GST_GL_WINSYS])
+  GST_GL_HAVE_WINDOW_X11=""
+  GST_GL_HAVE_WINDOW_WAYLAND=""
+  GST_GL_HAVE_WINDOW_ANDROID=""
+  GST_GL_HAVE_WINDOW_COCOA=""
+  GST_GL_HAVE_WINDOW_EAGL=""
+  case "$GST_GL_WINSYS" in  *x11*) GST_GL_HAVE_WINDOW_X11="1" ;; esac
+  case "$GST_GL_WINSYS" in  *wayland*) GST_GL_HAVE_WINDOW_WAYLAND="1" ;; esac
+  case "$GST_GL_WINSYS" in  *android*) GST_GL_HAVE_WINDOW_ANDROID="1" ;; esac
+  case "$GST_GL_WINSYS" in  *cocoa*) GST_GL_HAVE_WINDOW_COCOA="1" ;; esac
+  case "$GST_GL_WINSYS" in  *eagl*) GST_GL_HAVE_WINDOW_EAGL="1" ;; esac
+
+  AC_MSG_CHECKING([GStreamer OpenGL platforms ...])
+  GST_GL_PLATFORMS=`$PKG_CONFIG --variable=gl_platforms gstreamer-gl-1.0`
+  AC_MSG_RESULT([$GST_GL_PLATFORMS])
+  GST_GL_HAVE_PLATFORM_GLX=""
+  GST_GL_HAVE_PLATFORM_EGL=""
+  GST_GL_HAVE_PLATFORM_CGL=""
+  GST_GL_HAVE_PLATFORM_EAGL=""
+  case "$GST_GL_PLATFORMS" in  *glx*) GST_GL_HAVE_PLATFORM_GLX="1" ;; esac
+  case "$GST_GL_PLATFORMS" in  *egl*) GST_GL_HAVE_PLATFORM_EGL="1" ;; esac
+  case "$GST_GL_PLATFORMS" in  *cgl*) GST_GL_HAVE_PLATFORM_CGL="1" ;; esac
+  case "$GST_GL_PLATFORMS" in  *eagl*) GST_GL_HAVE_PLATFORM_EAGL="1" ;; esac
+
+  AC_MSG_CHECKING([GStreamer OpenGL apis ...])
+  GST_GL_APIS=`$PKG_CONFIG --variable=gl_apis gstreamer-gl-1.0`
+  AC_MSG_RESULT([$GST_GL_APIS])
+  GST_GL_HAVE_API_GLES2=""
+  GST_GL_HAVE_API_GL=""
+  case "$GST_GL_APIS" in  *gles2*) GST_GL_HAVE_API_GLES2="1" ;; esac
+  case "$GST_GL_APIS" in "gl"|"gl "*|*" gl"|*" gl "*) GST_GL_HAVE_API_GL="1" ;; esac
+fi
+
 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
 
 dnl Check for documentation xrefs
@@ -628,6 +668,42 @@ AG_GST_CHECK_FEATURE(GDK_PIXBUF, [GDK pixbuf], gdkpixbuf, [
   AG_GST_PKG_CHECK_MODULES(GDK_PIXBUF, gdk-pixbuf-2.0 >= 2.8.0)
 ])
 
+dnl *** gtk+ ***
+HAVE_GTK3_GL="no"
+translit(dnm, m, l) AM_CONDITIONAL(USE_GTK3, true)
+AG_GST_CHECK_FEATURE(GTK3, [Gtk+ elements], gtk, [
+  PKG_CHECK_MODULES(GTK3, gtk+-3.0, [
+    AC_DEFINE([HAVE_GTK3], 1, [Define if Gtk+ 3.0 is installed])
+    HAVE_GTK3="yes"
+  ], [
+    HAVE_GTK3="no"
+  ])
+  PKG_CHECK_MODULES(GTK3_GL, gtk+-3.0 >= 3.15.0, [
+    GDK_WINDOWING="no"
+    if test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_GLX" = "x1"; then
+      PKG_CHECK_MODULES(GTK3_X11, gtk+-x11-3.0, [
+        GTK3_CFLAGS="$GTK3_CFLAGS $GTK3_X11_CFLAGS"
+        GTK3_LIBS="$GTK3_LIBS $GTK3_X11_LIBS"
+        GDK_WINDOWING="yes"
+      ], [AC_MSG_NOTICE([Could not find Gtk X11 integration])])
+    fi
+    if test "x$GST_GL_HAVE_WINDOW_WAYLAND" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EGL" = "x1"; then
+      PKG_CHECK_MODULES(GTK3_WAYLAND, gtk+-wayland-3.0, [
+        GTK3_CFLAGS="$GTK3_CFLAGS $GTK3_WAYLAND_CFLAGS"
+        GTK3_LIBS="$GTK3_LIBS $GTK3_WAYLAND_LIBS"
+        GDK_WINDOWING="yes"
+      ], [AC_MSG_NOTICE([Could not find Gtk Wayland integration])])
+    fi
+    if test "x$GDK_WINDOWING" = "xyes" -a "x$HAVE_GST_GL" = "xyes"; then
+      AC_DEFINE([HAVE_GTK3_GL], 1, [Define if Gtk+ 3.0 GL is installed])
+      HAVE_GTK3_GL="yes"
+    fi
+  ], [
+      HAVE_GTK3_GL="no"
+  ])
+])
+AM_CONDITIONAL(USE_GTK3_GL, test "x$HAVE_GTK3_GL" = "xyes")
+
 dnl *** Jack ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_JACK, true)
 AG_GST_CHECK_FEATURE(JACK, Jack, jack, [
@@ -1073,6 +1149,7 @@ ext/cairo/Makefile
 ext/dv/Makefile
 ext/flac/Makefile
 ext/gdk_pixbuf/Makefile
+ext/gtk/Makefile
 ext/jack/Makefile
 ext/jpeg/Makefile
 ext/lame/Makefile
@@ -1104,6 +1181,7 @@ tests/examples/Makefile
 tests/examples/audiofx/Makefile
 tests/examples/cairo/Makefile
 tests/examples/equalizer/Makefile
+tests/examples/gtk/Makefile
 tests/examples/jack/Makefile
 tests/examples/level/Makefile
 tests/examples/rtp/Makefile

ext/Makefile.am

@@ -22,6 +22,13 @@ else
 GDK_PIXBUF_DIR =
 endif
 
+  
+if USE_GTK3
+GTK_DIR=gtk
+else
+GTK_DIR=
+endif
+ 
 if USE_JACK
 JACK_DIR=jack
 else
@@ -125,6 +132,7 @@ SUBDIRS = \
 	$(DV1394_DIR) \
 	$(FLAC_DIR) \
 	$(GDK_PIXBUF_DIR) \
+	$(GTK_DIR) \
 	$(JACK_DIR) \
 	$(JPEG_DIR) \
 	$(LAME_DIR) \
@@ -148,6 +156,7 @@ DIST_SUBDIRS = \
 	dv \
 	flac \
 	gdk_pixbuf \
+	gtk \
 	jack \
 	jpeg \
 	lame \

ext/gtk/Makefile.am

@@ -37,10 +37,8 @@ libgstgtk_la_SOURCES = $(sources)
 libgstgtk_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 
 if USE_GTK3_GL
-if USE_GL
 libgstgtk_la_SOURCES += gstgtkglsink.c gstgtkglsink.h gtkgstglwidget.c gtkgstglwidget.h
 libgstgtk_la_LIBADD += $(GST_GL_LIBS)
 endif
-endif
 
 plugin_LTLIBRARIES = libgstgtk.la

tests/examples/Makefile.am

@@ -1,3 +1,9 @@
+if USE_GTK3
+GTK_DIR=gtk
+else
+GTK_DIR=
+endif
+
 if USE_JACK
 JACK_DIR=jack
 else
@@ -10,10 +16,10 @@ else
 CAIRO_DIR=
 endif
 
-SUBDIRS = audiofx equalizer $(JACK_DIR) level \
+SUBDIRS = audiofx equalizer $(GTK_DIR) $(JACK_DIR) level \
 	rtp shapewipe spectrum v4l2 $(CAIRO_DIR)
 
-DIST_SUBDIRS = audiofx equalizer jack level \
+DIST_SUBDIRS = audiofx equalizer gtk jack level \
 	rtp shapewipe spectrum v4l2 cairo
 
 include $(top_srcdir)/common/parallel-subdirs.mak

tests/examples/gtk/.gitignore

@@ -0,0 +1,3 @@
+glliveshader
+gtkglsink
+gtksink

tests/examples/gtk/Makefile.am

@@ -8,7 +8,6 @@ gtksink_LDADD = $(GTK3_LIBS) \
 	$(GST_LIBS)
 
 if USE_GTK3_GL
-if USE_GL
 noinst_PROGRAMS += gtkglsink glliveshader
 
 gtkglsink_SOURCES = gtkglsink.c
@@ -23,7 +22,7 @@ gtkglsink_LDADD = \
 	$(GST_GL_LIBS) \
 	$(GST_LIBS) \
 	$(GTK3_LIBS) \
-	$(X11_LIBS)
+	$(X_LIBS)
 
 glliveshader_SOURCES = glliveshader.c
 glliveshader_CFLAGS = \
@@ -36,6 +35,5 @@ glliveshader_LDADD = \
 	$(GST_GL_LIBS) \
 	$(GST_LIBS) \
 	$(GTK3_LIBS) \
-	$(X11_LIBS)
-endif
+	$(X_LIBS)
 endif