Implement multi-backend support

The Clutter backend split is opaque enough that should allow us to just
build all possible backends inside the same shared object, and select
the wanted backend at initialization time.

This requires some work in the build system, as well as the
initialization code, to remove duplicate functions that might cause
conflicts at build and link time. We also need to defer all the checks
of the internal state of the platform-specific API to run-time type
checks.
This commit is contained in:
Emmanuele Bassi 2011-09-21 18:05:03 +01:00
parent 9c102b7c51
commit a09bbffd92
25 changed files with 591 additions and 411 deletions

View File

@ -14,8 +14,6 @@ lib_LTLIBRARIES =
INCLUDES = \
-I$(top_srcdir) \
-I$(top_srcdir)/clutter \
-I$(top_srcdir)/clutter/$(CLUTTER_WINSYS) \
-I$(top_srcdir)/clutter/$(CLUTTER_WINSYS_BASE) \
-I$(top_srcdir)/clutter/deprecated \
-I$(top_srcdir)/clutter/cally \
-I$(top_builddir) \
@ -301,6 +299,13 @@ EXTRA_DIST += clutter-keysyms-update.pl
pc_files += clutter-$(CLUTTER_API_VERSION).pc
# in order to be compatible with Clutter < 1.10, when we shipped a single
# shared library whose name was determined by the single backend it
# supported, we need to install symbolic links so that existing applications
# using Clutter won't break in the Brave New World of multi-backend support
# in the same shared object.
compat_libs =
# backends source listings
#
# backend_source_c := source code
@ -370,6 +375,11 @@ x11_introspection = $(x11_source_c) $(x11_source_h)
clutterx11_includedir = $(clutter_includedir)/x11
clutterx11_include_HEADERS = $(x11_source_h)
clutter-x11-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-x11-$(CLUTTER_API_VERSION).pc
endif # SUPPORT_X11
# Shared cogl backend files
@ -387,20 +397,31 @@ cogl_source_h_priv = \
cogl_source_c_priv =
if USE_COGL
backend_source_h += $(cogl_source_h)
backend_source_c += $(cogl_source_c)
backend_source_h_priv += $(cogl_source_h_priv)
backend_source_c_priv += $(cogl_source_c_priv)
# pkg-config file for the cogl meta-backend
clutter-cogl-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-cogl-$(CLUTTER_API_VERSION).pc
endif
if SUPPORT_X11
# For compatability with the old GLX backend
# For compatibility with the old GLX backend
#
# Note: there wasn't actually anything GLX specific so we can add
# the compatability if clutter supports x11
backend_source_c += $(srcdir)/x11/clutter-glx-texture-pixmap.c
# the compatibility if clutter supports x11
glx_source_c = $(srcdir)/x11/clutter-glx-texture-pixmap.c
glx_source_h = $(srcdir)/x11/clutter-glx-texture-pixmap.h \
$(srcdir)/x11/clutter-glx.h
if SUPPORT_X11
backend_source_h += $(glx_source_h)
backend_source_c += $(glx_source_c)
clutterglx_includedir = $(clutter_includedir)/glx
clutterglx_include_HEADERS = $(glx_source_h)
@ -408,13 +429,9 @@ clutter-glx-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-glx-$(CLUTTER_API_VERSION).pc
endif
if SUPPORT_GLX
backend_source_h += $(cogl_source_h) $(glx_source_h)
backend_source_c += $(cogl_source_c) $(glx_source_c)
backend_source_h_priv += $(cogl_source_h_priv)
endif # SUPPORT_GLX
compat_libs += libclutter-glx-$(CLUTTER_API_VERSION).so.0
endif
# GDK backend rules
gdk_source_c = \
@ -439,12 +456,19 @@ gdk_source_h_priv = \
$(NULL)
if SUPPORT_GDK
backend_source_h += $(cogl_source_h) $(gdk_source_h)
backend_source_c += $(cogl_source_c) $(gdk_source_c)
backend_source_h_priv += $(cogl_source_h_priv) $(gdk_source_h_priv)
backend_source_h += $(gdk_source_h)
backend_source_c += $(gdk_source_c)
backend_source_h_priv += $(gdk_source_h_priv)
cluttergdk_includedir = $(clutter_includedir)/gdk
cluttergdk_include_HEADERS = $(gdk_source_h)
clutter-gdk-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-gdk-$(CLUTTER_API_VERSION).pc
gdk_introspection = $(gdk_source_c) $(gdk_source_h)
endif # SUPPORT_GDK
# Windows backend rules
@ -486,6 +510,11 @@ backend_source_h_priv += $(win32_source_h_priv)
clutterwin_includedir = $(clutter_includedir)/win32
clutterwin_include_HEADERS = $(win32_source_h)
clutter-win32-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-win32-$(CLUTTER_API_VERSION).pc
endif # SUPPORT_WIN32
EXTRA_DIST += \
@ -520,23 +549,32 @@ if USE_TSLIB
backend_source_c_priv += $(egl_tslib_c)
endif # SUPPORT_TSLIB
if SUPPORT_EVDEV
if USE_EVDEV
backend_source_c_priv += $(evdev_c_priv)
backend_source_h_priv += $(evdev_h_priv)
endif # SUPPORT_EVDEV
if SUPPORT_CEX100
backend_source_h += $(cex_h)
clutter-cex100-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-cex100-$(CLUTTER_API_VERSION).pc
compat_libs += libclutter-cex100-$(CLUTTER_API_VERSION).so.0
endif # SUPPORT_CEX100
if SUPPORT_EGL
backend_source_h += $(cogl_source_h) $(egl_source_h)
backend_source_c += $(cogl_source_c)
backend_source_h_priv += $(cogl_source_h_priv)
backend_source_c_priv += $(cogl_source_c_priv)
backend_source_h += $(egl_source_h)
clutteregl_includedir = $(clutter_includedir)/egl
clutteregl_include_HEADERS = $(egl_source_h)
clutter-egl-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-egl-$(CLUTTER_API_VERSION).pc
endif # SUPPORT_EGL
# OSX backend rules
@ -572,6 +610,11 @@ backend_source_c_priv += $(osx_source_c_priv)
clutterosx_includedir = $(clutter_includedir)/osx
clutterosx_include_HEADERS = $(osx_source_h)
clutter-osx-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-osx-$(CLUTTER_API_VERSION).pc
endif # SUPPORT_OSX
# Wayland backend rules
@ -593,6 +636,13 @@ backend_source_c += \
clutterwayland_includedir = $(clutter_includedir)/wayland
clutterwayland_include_HEADERS = $(wayland_source_h)
clutter-wayland-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-wayland-$(CLUTTER_API_VERSION).pc
compat_libs += libclutter-wayland-$(CLUTTER_API_VERSION).so.0
endif # SUPPORT_WAYLAND
# cally
@ -648,12 +698,6 @@ glib_enum_c = clutter-enum-types.c
glib_enum_headers = $(source_h) $(backend_source_h)
include $(top_srcdir)/build/autotools/Makefile.am.enums
# backend-specific pkg-config file
clutter-$(CLUTTER_WINSYS)-$(CLUTTER_API_VERSION).pc: clutter-$(CLUTTER_API_VERSION).pc
$(QUIET_GEN)cp -f $< $(@F)
pc_files += clutter-$(CLUTTER_WINSYS)-$(CLUTTER_API_VERSION).pc
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = $(pc_files)
DISTCLEANFILES += $(pc_files)
@ -666,17 +710,17 @@ nodist_clutter_include_HEADERS = \
clutter_deprecated_HEADERS = $(deprecated_h)
lib_LTLIBRARIES += libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
lib_LTLIBRARIES += libclutter-@CLUTTER_API_VERSION@.la
libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_LIBADD = \
libclutter_@CLUTTER_API_VERSION@_la_LIBADD = \
-lm \
$(CLUTTER_LIBS) \
$(CLUTTER_PROFILE_LIBS)
libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_DEPENDENCIES = \
libclutter_@CLUTTER_API_VERSION@_la_DEPENDENCIES = \
$(win32_resources)
libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_SOURCES = \
libclutter_@CLUTTER_API_VERSION@_la_SOURCES = \
$(backend_source_c) \
$(backend_source_h) \
$(backend_source_c_priv) \
@ -694,12 +738,12 @@ libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_SOURCES = \
$(cally_sources_private) \
$(NULL)
nodist_libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_SOURCES = \
nodist_libclutter_@CLUTTER_API_VERSION@_la_SOURCES = \
$(backend_source_built) \
$(built_source_c) \
$(built_source_h)
libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_LDFLAGS = \
libclutter_@CLUTTER_API_VERSION@_la_LDFLAGS = \
$(CLUTTER_LINK_FLAGS) \
$(CLUTTER_LT_LDFLAGS) \
$(GCOV_LDFLAGS) \
@ -709,15 +753,21 @@ libclutter_@CLUTTER_SONAME_INFIX@_@CLUTTER_API_VERSION@_la_LDFLAGS = \
$(win32_resources_ldflag) \
$(NULL)
install-exec-local:
for lib in "$(compat_libs)"; do \
rm -f $(DESTDIR)$(libdir)/$$lib ; \
ln -s libclutter-$(CLUTTER_API_VERSION).so.0.$(CLUTTER_LT_CURRENT).$(CLUTTER_LT_REVISION) $(DESTDIR)$(libdir)/$$lib ; \
done
# gobject-introspection rules
-include $(INTROSPECTION_MAKEFILE)
if HAVE_INTROSPECTION
Clutter-@CLUTTER_API_VERSION@.gir: libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la Makefile
Clutter-@CLUTTER_API_VERSION@.gir: libclutter-@CLUTTER_API_VERSION@.la Makefile
Clutter_@CLUTTER_API_VERSION_AM@_gir_NAMESPACE = Clutter
Clutter_@CLUTTER_API_VERSION_AM@_gir_VERSION = @CLUTTER_API_VERSION@
Clutter_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
Clutter_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_API_VERSION@.la
Clutter_@CLUTTER_API_VERSION_AM@_gir_FILES = \
$(clutter_include_HEADERS) \
$(clutter_deprecated_HEADERS) \
@ -738,7 +788,7 @@ Cally-@CLUTTER_API_VERSION@.gir: Makefile Clutter-@CLUTTER_API_VERSION@.gir
Cally_@CLUTTER_API_VERSION_AM@_gir_NAMESPACE = Cally
Cally_@CLUTTER_API_VERSION_AM@_gir_VERSION = @CLUTTER_API_VERSION@
Cally_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
Cally_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_API_VERSION@.la
Cally_@CLUTTER_API_VERSION_AM@_gir_FILES = $(cally_sources_h) $(cally_sources_c)
Cally_@CLUTTER_API_VERSION_AM@_gir_CFLAGS = $(INCLUDES) $(CLUTTER_CFLAGS) $(AM_CPPFLAGS) -UCLUTTER_DISABLE_DEPRECATED
Cally_@CLUTTER_API_VERSION_AM@_gir_SCANNERFLAGS = \
@ -760,13 +810,30 @@ ClutterX11_@CLUTTER_API_VERSION_AM@_gir_SCANNERFLAGS = \
--pkg-export=clutter-x11-@CLUTTER_API_VERSION@ \
--include-uninstalled=$(top_builddir)/clutter/Clutter-@CLUTTER_API_VERSION@.gir
ClutterX11_@CLUTTER_API_VERSION_AM@_gir_INCLUDES = xlib-2.0
ClutterX11_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
ClutterX11_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_API_VERSION@.la
ClutterX11_@CLUTTER_API_VERSION_AM@_gir_FILES = $(x11_introspection)
ClutterX11_@CLUTTER_API_VERSION_AM@_gir_CFLAGS = $(INCLUDES) $(CLUTTER_CFLAGS) $(AM_CPPFLAGS) -UCLUTTER_DISABLE_DEPRECATED
INTROSPECTION_GIRS += ClutterX11-@CLUTTER_API_VERSION@.gir
endif # SUPPORT_X11
if SUPPORT_GDK
ClutterGdk-@CLUTTER_API_VERSION@.gir: Makefile Clutter-@CLUTTER_API_VERSION@.gir
ClutterGdk_@CLUTTER_API_VERSION_AM@_gir_SCANNERFLAGS = \
--identifier-prefix=ClutterGdk \
--symbol-prefix=clutter_gdk \
--c-include='clutter/gdk/clutter-gdk.h' \
--pkg-export=clutter-gdk-@CLUTTER_API_VERSION@ \
--include-uninstalled=$(top_builddir)/clutter/Clutter-@CLUTTER_API_VERSION@.gir
ClutterGdk_@CLUTTER_API_VERSION_AM@_gir_INCLUDES = Gdk-3.0
ClutterGdk_@CLUTTER_API_VERSION_AM@_gir_LIBS = libclutter-@CLUTTER_API_VERSION@.la
ClutterGdk_@CLUTTER_API_VERSION_AM@_gir_FILES = $(gdk_introspection)
ClutterGdk_@CLUTTER_API_VERSION_AM@_gir_CFLAGS = $(INCLUDES) $(CLUTTER_CFLAGS) $(AM_CPPFLAGS) -UCLUTTER_DISABLE_DEPRECATED
INTROSPECTION_GIRS += ClutterGdk-@CLUTTER_API_VERSION@.gir
endif # SUPPORT_GDK
# INTROSPECTION_GIRDIR/INTROSPECTION_TYPELIBDIR aren't the right place to
# install anything - we need to install inside our prefix.
girdir = $(datadir)/gir-1.0

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@ -87,9 +87,6 @@ struct _ClutterBackendClass
void (* settings_changed) (ClutterBackend *backend);
};
/* vfuncs implemented by backend */
GType _clutter_backend_impl_get_type (void);
void _clutter_backend_redraw (ClutterBackend *backend,
ClutterStage *stage);
ClutterStageWindow *_clutter_backend_create_stage (ClutterBackend *backend,

View File

@ -100,6 +100,7 @@
#include "clutter-actor.h"
#include "clutter-backend-private.h"
#include "clutter-config.h"
#include "clutter-debug.h"
#include "clutter-device-manager-private.h"
#include "clutter-event.h"
@ -114,6 +115,25 @@
#include "clutter-stage-private.h"
#include "clutter-version.h" /* For flavour define */
#ifdef CLUTTER_WINDOWING_OSX
#include "osx/clutter-backend-osx.h"
#endif
#ifdef CLUTTER_WINDOWING_WIN32
#include "win32/clutter-backend-win32.h"
#endif
#ifdef CLUTTER_WINDOWING_GDK
#include "gdk/clutter-backend-gdk.h"
#endif
#ifdef CLUTTER_WINDOWING_X11
#include "x11/clutter-backend-x11.h"
#endif
#ifdef CLUTTER_WINDOWING_EGL
#include "egl/clutter-backend-eglnative.h"
#endif
#ifdef CLUTTER_WINDOWING_WAYLAND
#include "wayland/clutter-backend-wayland.h"
#endif
#include <cogl/cogl.h>
#include <cogl-pango/cogl-pango.h>
@ -1299,11 +1319,46 @@ clutter_context_get_default_unlocked (void)
if (G_UNLIKELY (ClutterCntx == NULL))
{
ClutterMainContext *ctx;
const char *backend;
ClutterCntx = ctx = g_new0 (ClutterMainContext, 1);
/* create the default backend */
ctx->backend = g_object_new (_clutter_backend_impl_get_type (), NULL);
backend = g_getenv ("CLUTTER_BACKEND");
#ifdef CLUTTER_WINDOWING_OSX
if (backend == NULL || strcmp (backend, "osx") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_OSX, NULL);
else
#endif
#ifdef CLUTTER_WINDOWING_WIN32
if (backend == NULL || strcmp (backend, "win32") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_WIN32, NULL);
else
#endif
#ifdef CLUTTER_WINDOWING_WAYLAND
if (backend == NULL || strcmp (backend, "wayland") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_WAYLAND, NULL);
else
#endif
#ifdef CLUTTER_WINDOWING_EGL
if (backend == NULL || strcmp (backend, "eglnative") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_EGLNATIVE, NULL);
else
#endif
#ifdef CLUTTER_WINDOWING_X11
if (backend == NULL || strcmp (backend, "x11") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_X11, NULL);
else
#endif
#ifdef CLUTTER_WINDOWING_GDK
if (backend == NULL || strcmp (backend, "gdk") == 0)
ctx->backend = g_object_new (CLUTTER_TYPE_BACKEND_GDK, NULL);
else
#endif
if (backend != NULL)
g_error ("Unsupported Clutter backend: '%s'", backend);
else
g_error ("No default Clutter backend found.");
ctx->is_initialized = FALSE;
ctx->motion_events_per_actor = TRUE;
@ -1320,6 +1375,10 @@ clutter_context_get_default_unlocked (void)
#endif
ctx->last_repaint_id = 1;
CLUTTER_NOTE (BACKEND, "Backend type: '%s' (requested: '%s')",
G_OBJECT_TYPE_NAME (ctx->backend),
backend != NULL ? backend : "<default>");
}
return ClutterCntx;

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@ -103,6 +103,12 @@ G_BEGIN_DECLS
* GL Windowing system used
*
* Since: 0.4
*
* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can be
* compiled with multiple windowing system backends. Use the various
* CLUTTER_WINDOWING_* macros to detect the windowing system that Clutter
* is being compiled against, and the type check macros for the
* #ClutterBackend for a run-time check.
*/
#define CLUTTER_FLAVOUR "@CLUTTER_FLAVOUR@"
@ -113,6 +119,9 @@ G_BEGIN_DECLS
* "gles" currently
*
* Since: 0.4
*
* Deprecated: 1.10: The macro evaluates to "deprecated" as Cogl can be
* compiled against multiple GL implementations.
*/
#define CLUTTER_COGL "@CLUTTER_COGL@"
@ -122,6 +131,11 @@ G_BEGIN_DECLS
* The default GObject type for the Clutter stage.
*
* Since: 0.8
*
* Deprecated: 1.10: The macro evaluates to "deprecated" as Clutter can
* be compiled against multiple windowing systems. You can use the
* CLUTTER_WINDOWING_* macros for compile-time checks, and the type
* check macros for run-time checks.
*/
#define CLUTTER_STAGE_TYPE @CLUTTER_STAGE_TYPE@

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@ -4,18 +4,19 @@ libdir=@libdir@
includedir=@includedir@
apiversion=@CLUTTER_API_VERSION@
winsys=@CLUTTER_WINSYS@
soname_infix=@CLUTTER_SONAME_INFIX@
cogl_driver=@COGL_DRIVER@
requires=@CLUTTER_REQUIRES@
backends=@CLUTTER_BACKENDS@
# only kept for backward compatibility
soname_infix=@CLUTTER_SONAME_INFIX@
winsys=@CLUTTER_WINSYS@
cogl=@COGL_DRIVER@
cogl_driver=@COGL_DRIVER@
backend=@CLUTTER_WINSYS@
Name: Clutter
Description: Clutter Core Library (${winsys}/${cogl_driver} backend)
Description: Clutter Core Library
Version: @VERSION@
Libs: -L${libdir} -lclutter-${soname_infix}-${apiversion}
Libs: -L${libdir} -lclutter-${apiversion}
Cflags: -I${includedir}/clutter-${apiversion}
Requires: ${requires}

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@ -46,7 +46,7 @@
#include "clutter-util.h"
#ifdef CLUTTER_WINDOWING_X11
/* needed for a small check in redraw() */
/* FIXME: needed for a small check in redraw(), needs to be moved */
#include "x11/clutter-stage-x11.h"
#endif
@ -353,24 +353,27 @@ clutter_stage_cogl_redraw (ClutterStageWindow *stage_window)
CLUTTER_TIMER_START (_clutter_uprof_context, painting_timer);
may_use_clipped_redraw = FALSE;
if (G_LIKELY (backend_cogl->can_blit_sub_buffer) &&
/* NB: a zero width redraw clip == full stage redraw */
stage_cogl->bounding_redraw_clip.width != 0 &&
/* some drivers struggle to get going and produce some junk
* frames when starting up... */
G_LIKELY (stage_cogl->frame_count > 3)
G_LIKELY (stage_cogl->frame_count > 3))
{
#if defined(CLUTTER_WINDOWING_X11)
/* FIXME - move this to a StageWindow vfunc */
/* While resizing a window clipped redraws are disabled to avoid
* artefacts. See clutter-event-x11.c:event_translate for a
* detailed explanation */
&& G_LIKELY (CLUTTER_STAGE_X11 (stage_cogl)->clipped_redraws_cool_off == 0)
if (CLUTTER_IS_STAGE_X11 (stage_cogl) &&
(CLUTTER_STAGE_X11 (stage_cogl)->clipped_redraws_cool_off == 0))
{
may_use_clipped_redraw = TRUE;
}
#endif
)
{
may_use_clipped_redraw = TRUE;
}
else
may_use_clipped_redraw = FALSE;
if (may_use_clipped_redraw &&
G_LIKELY (!(clutter_paint_debug_flags &

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@ -38,6 +38,7 @@
#include <errno.h>
#include "clutter-backend-eglnative.h"
/* This is a Cogl based backend */
#include "cogl/clutter-stage-cogl.h"
@ -53,18 +54,18 @@
#ifdef COGL_HAS_EGL_SUPPORT
#include "clutter-egl.h"
#endif
#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT
#ifdef CLUTTER_EGL_BACKEND_CEX100
#include "clutter-cex100.h"
#endif
static gchar *clutter_vblank = NULL;
/* FIXME: We should have CLUTTER_ define for this... */
#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT
#ifdef CLUTTER_EGL_BACKEND_CEX100
static gdl_plane_id_t gdl_plane = GDL_PLANE_ID_UPP_C;
static guint gdl_n_buffers = CLUTTER_CEX100_TRIPLE_BUFFERING;
#endif
static gboolean gdl_plane_set = FALSE;
static gboolean gdl_n_buffers_set = FALSE;
G_DEFINE_TYPE (ClutterBackendEglNative, _clutter_backend_egl_native, CLUTTER_TYPE_BACKEND_COGL);
static ClutterDeviceManager *
@ -91,6 +92,7 @@ clutter_backend_egl_native_init_events (ClutterBackend *backend)
#ifdef HAVE_TSLIB
_clutter_events_tslib_init (CLUTTER_BACKEND_EGL (backend));
#endif
#ifdef HAVE_EVDEV
_clutter_events_evdev_init (CLUTTER_BACKEND (backend));
#endif
@ -157,9 +159,8 @@ clutter_backend_egl_native_create_context (ClutterBackend *backend,
swap_chain = cogl_swap_chain_new ();
#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT
cogl_swap_chain_set_length (swap_chain, gdl_n_buffers);
#endif
if (gdl_n_buffers_set)
cogl_swap_chain_set_length (swap_chain, gdl_n_buffers);
onscreen_template = cogl_onscreen_template_new (swap_chain);
cogl_object_unref (swap_chain);
@ -176,9 +177,10 @@ clutter_backend_egl_native_create_context (ClutterBackend *backend,
backend->cogl_display = cogl_display_new (backend->cogl_renderer,
onscreen_template);
#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT
cogl_gdl_display_set_plane (backend->cogl_display, gdl_plane);
#endif
#ifdef CLUTTER_EGL_BACKEND_CEX100
if (gdl_plane_set)
cogl_gdl_display_set_plane (backend->cogl_display, gdl_plane);
#endif /* CLUTTER_EGL_BACKEND_CEX100 */
cogl_object_unref (backend->cogl_renderer);
cogl_object_unref (onscreen_template);
@ -235,28 +237,41 @@ _clutter_backend_egl_native_init (ClutterBackendEglNative *backend_egl_native)
#endif
}
GType
_clutter_backend_impl_get_type (void)
{
return _clutter_backend_egl_native_get_type ();
}
/* FIXME we should have a CLUTTER_ define for this */
#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT
/**
* clutter_cex100_set_plane:
* @plane: FIXME
*
* FIXME
*
* Since:
*/
void
clutter_cex100_set_plane (gdl_plane_id_t plane)
{
#ifdef CLUTTER_EGL_BACKEND_CEX100
g_return_if_fail (plane >= GDL_PLANE_ID_UPP_A && plane <= GDL_PLANE_ID_UPP_E);
gdl_plane = plane;
gdl_plane_set = TRUE;
#endif
}
/**
* clutter_cex100_set_plane:
* @mode: FIXME
*
* FIXME
*
* Since:
*/
void
clutter_cex100_set_buffering_mode (ClutterCex100BufferingMode mode)
{
#ifdef CLUTTER_EGL_BACKEND_CEX100
g_return_if_fail (mode == CLUTTER_CEX100_DOUBLE_BUFFERING ||
mode == CLUTTER_CEX100_TRIPLE_BUFFERING);
gdl_n_buffers = mode;
}
gdl_n_buffers_set = TRUE;
#endif
}

View File

@ -410,9 +410,15 @@ clutter_gdk_get_default_display (void)
{
ClutterBackend *backend = clutter_get_default_backend ();
if (!backend || !CLUTTER_IS_BACKEND_GDK (backend))
if (backend == NULL)
{
g_critical ("GDK backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return NULL;
}
if (!CLUTTER_IS_BACKEND_GDK (backend))
{
g_critical ("The Clutter backend is not a GDK backend");
return NULL;
}
@ -446,9 +452,3 @@ clutter_gdk_set_display (GdkDisplay *display)
_foreign_dpy = g_object_ref (display);
}
GType
_clutter_backend_impl_get_type (void)
{
return _clutter_backend_gdk_get_type ();
}

View File

@ -41,14 +41,15 @@
G_BEGIN_DECLS
void clutter_gdk_set_display (GdkDisplay *display);
GdkWindow *clutter_gdk_get_stage_window (ClutterStage *stage);
gboolean clutter_gdk_set_stage_foreign (ClutterStage *stage,
GdkWindow *window);
void clutter_gdk_set_display (GdkDisplay *display);
GdkFilterReturn clutter_gdk_handle_event (GdkEvent *event);
GdkWindow * clutter_gdk_get_stage_window (ClutterStage *stage);
gboolean clutter_gdk_set_stage_foreign (ClutterStage *stage,
GdkWindow *window);
ClutterStage *clutter_gdk_get_stage_from_window (GdkWindow *window);
GdkFilterReturn clutter_gdk_handle_event (GdkEvent *event);
ClutterStage * clutter_gdk_get_stage_from_window (GdkWindow *window);
G_END_DECLS

View File

@ -468,7 +468,7 @@ clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
*
* Since: 0.4
*/
GdkWindow*
GdkWindow *
clutter_gdk_get_stage_window (ClutterStage *stage)
{
ClutterStageWindow *impl;
@ -476,7 +476,11 @@ clutter_gdk_get_stage_window (ClutterStage *stage)
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), None);
impl = _clutter_stage_get_window (stage);
g_assert (CLUTTER_IS_STAGE_GDK (impl));
if (!CLUTTER_IS_STAGE_GDK (impl))
{
g_critical ("The Clutter backend is not a GDK backend");
return NULL;
}
return CLUTTER_STAGE_GDK (impl)->window;
}
@ -552,6 +556,12 @@ clutter_gdk_set_stage_foreign (ClutterStage *stage,
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
impl = _clutter_stage_get_window (stage);
if (!CLUTTER_IS_STAGE_GDK (impl))
{
g_critical ("The Clutter backend is not a GDK backend");
return FALSE;
}
stage_gdk = CLUTTER_STAGE_GDK (impl);
if (g_object_get_data (G_OBJECT (window), "clutter-stage-window") != NULL)

View File

@ -253,9 +253,3 @@ clutter_backend_osx_class_init (ClutterBackendOSXClass *klass)
backend_class->init_events = clutter_backend_osx_init_events;
backend_class->get_device_manager = clutter_backend_osx_get_device_manager;
}
GType
_clutter_backend_impl_get_type (void)
{
return clutter_backend_osx_get_type ();
}

View File

@ -650,12 +650,6 @@ _clutter_backend_wayland_init (ClutterBackendWayland *backend_wayland)
backend_wayland->drm_fd = -1;
}
GType
_clutter_backend_impl_get_type (void)
{
return _clutter_backend_wayland_get_type ();
}
EGLDisplay
clutter_wayland_get_egl_display (void)
{

View File

@ -376,12 +376,6 @@ clutter_backend_win32_init (ClutterBackendWin32 *backend_win32)
timeBeginPeriod (1);
}
GType
_clutter_backend_impl_get_type (void)
{
return clutter_backend_win32_get_type ();
}
BOOL WINAPI
DllMain (HINSTANCE hinst, DWORD reason, LPVOID reserved)
{

View File

@ -733,9 +733,13 @@ clutter_win32_set_stage_foreign (ClutterStage *stage,
g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE);
g_return_val_if_fail (hwnd != NULL, FALSE);
actor = CLUTTER_ACTOR (stage);
impl = _clutter_stage_get_window (stage);
if (!CLUTTER_IS_STAGE_WIN32 (impl))
{
g_critical ("The Clutter backend is not a Windows backend");
return FALSE;
}
stage_win32 = CLUTTER_STAGE_WIN32 (impl);
if (!GetClientRect (hwnd, &client_rect))
@ -758,6 +762,8 @@ clutter_win32_set_stage_foreign (ClutterStage *stage,
fwd.geom.width = client_rect.right - client_rect.left;
fwd.geom.height = client_rect.bottom - client_rect.top;
actor = CLUTTER_ACTOR (stage);
_clutter_actor_rerealize (actor,
set_foreign_window_callback,
&fwd);

View File

@ -875,9 +875,15 @@ clutter_x11_get_default_display (void)
{
ClutterBackend *backend = clutter_get_default_backend ();
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return NULL;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend");
return NULL;
}
@ -1006,9 +1012,15 @@ clutter_x11_get_default_screen (void)
{
ClutterBackend *backend = clutter_get_default_backend ();
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return 0;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend");
return 0;
}
@ -1029,9 +1041,15 @@ clutter_x11_get_root_window (void)
{
ClutterBackend *backend = clutter_get_default_backend ();
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return None;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend");
return None;
}
@ -1057,9 +1075,15 @@ clutter_x11_add_filter (ClutterX11FilterFunc func,
g_return_if_fail (func != NULL);
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend");
return;
}
@ -1095,9 +1119,15 @@ clutter_x11_remove_filter (ClutterX11FilterFunc func,
g_return_if_fail (func != NULL);
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend");
return;
}
@ -1163,9 +1193,15 @@ clutter_x11_has_xinput (void)
#if defined(HAVE_XINPUT) || defined(HAVE_XINPUT_2)
ClutterBackend *backend = clutter_get_default_backend ();
if (!backend || !CLUTTER_IS_BACKEND_X11 (backend))
if (backend == NULL)
{
g_critical ("X11 backend has not been initialised");
g_critical ("The Clutter backend has not been initialised");
return FALSE;
}
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend.");
return FALSE;
}
@ -1201,6 +1237,8 @@ clutter_x11_has_composite_extension (void)
}
dpy = clutter_x11_get_default_display();
if (dpy == NULL)
return FALSE;
if (XCompositeQueryExtension (dpy, &event, &error))
{
@ -1292,8 +1330,16 @@ XVisualInfo *
clutter_x11_get_visual_info (void)
{
ClutterBackendX11 *backend_x11;
ClutterBackend *backend;
backend_x11 = CLUTTER_BACKEND_X11 (clutter_get_default_backend ());
backend = clutter_get_default_backend ();
if (!CLUTTER_IS_BACKEND_X11 (backend))
{
g_critical ("The Clutter backend is not a X11 backend.");
return NULL;
}
backend_x11 = CLUTTER_BACKEND_X11 (backend);
return _clutter_backend_x11_get_visual_info (backend_x11);
}
@ -1348,9 +1394,3 @@ _clutter_x11_input_device_translate_screen_coord (ClutterInputDevice *device,
return TRUE;
}
GType
_clutter_backend_impl_get_type (void)
{
return _clutter_backend_x11_get_type ();
}

View File

@ -529,7 +529,6 @@ clutter_x11_texture_pixmap_class_init (ClutterX11TexturePixmapClass *klass)
GObjectClass *object_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
GParamSpec *pspec;
ClutterBackend *default_backend;
g_type_class_add_private (klass, sizeof (ClutterX11TexturePixmapPrivate));
@ -714,15 +713,6 @@ clutter_x11_texture_pixmap_class_init (ClutterX11TexturePixmapClass *klass)
g_signal_override_class_handler ("queue-damage-redraw",
CLUTTER_X11_TYPE_TEXTURE_PIXMAP,
G_CALLBACK (clutter_x11_texture_pixmap_real_queue_damage_redraw));
default_backend = clutter_get_default_backend ();
if (!CLUTTER_IS_BACKEND_X11 (default_backend))
{
g_critical ("ClutterX11TexturePixmap instantiated with a "
"non-X11 backend");
return;
}
}
static void
@ -954,13 +944,17 @@ clutter_x11_texture_pixmap_set_window (ClutterX11TexturePixmap *texture,
{
ClutterX11TexturePixmapPrivate *priv;
XWindowAttributes attr;
Display *dpy = clutter_x11_get_default_display ();
Display *dpy;
g_return_if_fail (CLUTTER_X11_IS_TEXTURE_PIXMAP (texture));
if (!clutter_x11_has_composite_extension ())
return;
dpy = clutter_x11_get_default_display ();
if (dpy == NULL)
return;
#if HAVE_XCOMPOSITE
priv = texture->priv;
@ -1058,7 +1052,7 @@ clutter_x11_texture_pixmap_sync_window_internal (ClutterX11TexturePixmap *textur
priv->window_height = height;
priv->override_redirect = override_redirect;
if (!clutter_x11_has_composite_extension())
if (!clutter_x11_has_composite_extension ())
{
/* FIXME: this should just be an error, this is unlikely to work worth anything */
clutter_x11_texture_pixmap_set_pixmap (texture, priv->window);
@ -1148,12 +1142,15 @@ clutter_x11_texture_pixmap_sync_window (ClutterX11TexturePixmap *texture)
if (priv->destroyed)
return;
if (priv->window)
if (priv->window != None)
{
XWindowAttributes attr;
Display *dpy = clutter_x11_get_default_display ();
XWindowAttributes attr;
Status status;
if (dpy == NULL)
return;
clutter_x11_trap_x_errors ();
status = XGetWindowAttributes (dpy, priv->window, &attr);

View File

@ -77,10 +77,18 @@ CLUTTER_LT_REV=lt_revision
CLUTTER_LT_AGE=lt_age
CLUTTER_LT_VERSION="$CLUTTER_LT_CURRENT:$CLUTTER_LT_REV:$CLUTTER_LT_AGE"
CLUTTER_LT_LDFLAGS="-version-info $CLUTTER_LT_VERSION"
AC_SUBST([CLUTTER_LT_CURRENT], [lt_current])
AC_SUBST([CLUTTER_LT_REVISION], [lt_revision])
AC_SUBST([CLUTTER_LT_VERSION], [$CLUTTER_LT_VERSION])
AC_PROG_SED
AC_CANONICAL_HOST
platform_win32=no
platform_quartz=no
platform_linux=no
AC_MSG_CHECKING([if building for some Win32 platform])
AS_CASE([$host],
[*-*-mingw*|*-*-cygwin*],
@ -89,15 +97,19 @@ AS_CASE([$host],
platform_win32=yes
],
[platform_win32=no]
[]
)
AC_MSG_RESULT([$platform_win32])
AM_CONDITIONAL(OS_WIN32, [test "$platform_win32" = "yes"])
AC_CHECK_HEADER([OpenGL/gl.h], [platform_quartz=yes], [platform_quartz=no])
AM_CONDITIONAL(OS_QUARTZ, [test "$platform_quartz" = "yes"])
AC_SUBST(CLUTTER_LT_VERSION)
AC_CHECK_HEADER([GL/glx.h], [platform_glx=yes], [platform_glx=no])
AC_CHECK_LIB([GL], [glXCreateContext], [platform_glx=yes], [platform_glx=no])
AM_CONDITIONAL(OS_GLX, [test "$platform_glx" = "yes"])
AC_SUBST(CLUTTER_LT_LDFLAGS)
dnl ========================================================================
@ -176,17 +188,10 @@ AS_IF([test "x$platform_win32" = "xyes"], [CLUTTER_FLAVOUR=win32],
FLAVOUR_LIBS=""
FLAVOUR_CFLAGS=""
CLUTTER_WINSYS_BASE=
CLUTTER_WINSYS_BASE_LIB=
CLUTTER_WINSYS=
CLUTTER_BACKENDS=""
experimental_backend=no
AC_ARG_WITH([flavour],
[AS_HELP_STRING([--with-flavour=@<:@glx/opengl-egl-xlib/wayland/eglx/eglnative/osx/win32/cex100@:>@],
[Select the Clutter window system backend])],
[CLUTTER_FLAVOUR=$with_flavour])
# base dependencies for core
CLUTTER_BASE_PC_FILES="cogl-1.0 >= $COGL_REQ_VERSION cairo-gobject >= $CAIRO_REQ_VERSION atk >= $ATK_REQ_VERSION pangocairo >= $PANGO_REQ_VERSION cogl-pango-1.0 json-glib-1.0 >= $JSON_GLIB_REQ_VERSION"
@ -195,208 +200,67 @@ BACKEND_PC_FILES=""
dnl === Clutter windowing system backend ======================================
AS_CASE([$CLUTTER_FLAVOUR],
AC_ARG_ENABLE([x11],
[AS_HELP_STRING([--enable-x11=@<:@yes/no@:>@], [Enable the X11 backend (default=no)])],
[],
[enable_x11=maybe])
AC_ARG_ENABLE([win32],
[AS_HELP_STRING([--enable-win32=@<:@yes/no@:>@], [Enable the Windows backend (default=no)])],
[],
[enable_win32=maybe])
AC_ARG_ENABLE([osx],
[AS_HELP_STRING([--enable-osx=@<:@yes/no@:>@], [Enable the OS X backend (default=no)])],
[],
[enable_osx=maybe])
AC_ARG_ENABLE([gdk],
[AS_HELP_STRING([--enable-gdk=@<:@yes/no@:>@], [Enable the GDK backend (default=no)])],
[],
[enable_gdk=no])
AC_ARG_ENABLE([wayland],
[AS_HELP_STRING([--enable-wayland=@<:@yes/no@:>@], [Enable the Wayland client backend (default=no)])],
[],
[enable_wayland=no])
AC_ARG_ENABLE([egl],
[AS_HELP_STRING([--enable-egl=@<:@yes/no@:>@], [Enable the EGL framebuffer backend (default=no)])]
[],
[enable_egl=no])
[glx],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_X11"
dnl Define default values
AS_IF([test "x$platform_glx" = "xyes"], [enable_x11=yes])
AS_IF([test "x$platform_win32" = "xyes"], [enable_win32=yes])
AS_IF([test "x$platform_quartz" = "xyes"], [enable_osx=yes])
SUPPORT_X11=1
SUPPORT_XLIB=1
SUPPORT_GLX=1
CLUTTER_WINSYS=x11
CLUTTER_WINSYS_BASE=cogl
CLUTTER_SONAME_INFIX=glx
# Mesa 7.3 added a GL pkg-config file, finally
PKG_CHECK_EXISTS([gl],
[BACKEND_PC_FILES="$BACKEND_PC_FILES gl"],
# if a pkg-config file isn't found just add -lGL
# and hope for the best.
[FLAVOUR_LIBS="$FLAVOUR_LIBS -lGL"])
# We might fall back to DRM for sync-to-vblank on GLX
PKG_CHECK_EXISTS([libdrm],
[
AC_DEFINE([HAVE_DRM], [1], [Have libdrm support])
BACKEND_PC_FILES="$BACKEND_PC_FILES libdrm"
],
[])
],
[gdk],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_GDK"
# We don't claim to support X11 (even though that's the preferred
# GDK backend), to avoid building all the ClutterX11 stuff
SUPPORT_GDK=1
CLUTTER_WINSYS=gdk
CLUTTER_WINSYS_BASE=cogl
CLUTTER_SONAME_INFIX=gdk
BACKEND_PC_FILES="$BACKEND_PC_FILES gdk-3.0"
PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
],
[opengl-egl-xlib],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_X11"
CLUTTER_EGL_BACKEND="generic"
SUPPORT_X11=1
SUPPORT_XLIB=1
SUPPORT_EGL=1
SUPPORT_EGL_PLATFORM_POWERVR_X11=1
CLUTTER_WINSYS=x11
CLUTTER_WINSYS_BASE=cogl
# I think this winsys can be API and ABI compatible with the
# glx flavour so we can also be cheeky and use the same soname
CLUTTER_SONAME_INFIX=glx
PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
PKG_CHECK_EXISTS([egl], [BACKEND_PC_FILES="$BACKEND_PC_FILES egl"], [])
],
[wayland],
[
experimental_backend="yes"
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_WAYLAND"
SUPPORT_WAYLAND=1
CLUTTER_WINSYS=wayland
CLUTTER_SONAME_INFIX=wayland
PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
PKG_CHECK_EXISTS([egl], [BACKEND_PC_FILES="$BACKEND_PC_FILES egl"], [])
PKG_CHECK_EXISTS([wayland-client xkbcommon],
[BACKEND_PC_FILES="$BACKEND_PC_FILES wayland-client xkbcommon"], [])
],
[eglx],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_X11"
CLUTTER_EGL_BACKEND="generic"
SUPPORT_X11=1
SUPPORT_XLIB=1
SUPPORT_EGL=1
SUPPORT_EGL_PLATFORM_POWERVR_X11=1
CLUTTER_WINSYS=x11
CLUTTER_WINSYS_BASE=cogl
CLUTTER_SONAME_INFIX=eglx
],
[eglnative],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_EGL"
CLUTTER_EGL_BACKEND="generic"
SUPPORT_EGL=1
SUPPORT_EGL_PLATFORM_POWERVR_NULL=1
PKG_CHECK_MODULES(TSLIB, [tslib-1.0], [have_tslib=yes], [have_tslib=no])
AS_IF([test "x$have_tslib" = "xyes"],
[AC_DEFINE([HAVE_TSLIB], [1], [Have tslib for touchscreen handling])]
)
# evdev
PKG_CHECK_MODULES(EVDEV, [gudev-1.0 xkbcommon],
[have_evdev=yes], [have_evdev=no])
AS_IF([test "x$have_evdev" = "xyes"],
[AC_DEFINE([HAVE_EVDEV], 1,
[Have evdev support for input handling])]
)
# Make sure we don't enable tslib and evdev at the same time, we
# don't support multiple event backends yet.
AS_IF([test "x$have_tslib" = "xyes" -a "x$have_evdev" = "xyes"],
[AC_MSG_ERROR([Cannot enable both tslib and evdev events])])
FLAVOUR_LIBS="$FLAVOUR_LIBS $TSLIB_LIBS $EVDEV_LIBS"
FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS $TSLIB_CFLAGS $EVDEV_CFLAGS"
CLUTTER_WINSYS=cogl
CLUTTER_SONAME_INFIX=eglnative
],
[cex100],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_EGL"
CLUTTER_EGL_BACKEND="cex100"
SUPPORT_EGL=1
SUPPORT_EGL_PLATFORM_GDL=1
# The cex100 is a small specialization of the EGL backend
CLUTTER_WINSYS=cogl
CLUTTER_SONAME_INFIX=cex100
found_gdl=no
AC_CHECK_HEADERS([libgdl.h], [found_gdl=yes])
AS_IF([test "x$found_gdl" = "xno"],
[AC_CHECK_HEADERS([CE4100/libgdl.h],
[
FLAVOUR_CFLAGS="-I/usr/include/CE4100"
found_gdl=yes
CLUTTER_CEX100_LIBGDL_PREFIX=CE4100/
])
])
AC_SUBST(CLUTTER_CEX100_LIBGDL_PREFIX)
AS_IF([test x"$found_gdl" = "xno"], [AC_MSG_ERROR([libgdl.h not found])])
# evdev
PKG_CHECK_MODULES(EVDEV, [gudev-1.0 xkbcommon],
[have_evdev=yes], [have_evdev=no])
AS_IF([test "x$have_evdev" = "xyes"],
[AC_DEFINE([HAVE_EVDEV], 1,
[Have evdev support for input handling])]
)
FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS $EVDEV_CFLAGS"
FLAVOUR_LIBS="$FLAVOUR_LIBS -lgdl $EVDEV_LIBS"
],
[osx],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_OSX"
AC_DEFINE([HAVE_CLUTTER_OSX], [1], [Have the OSX backend])
FLAVOUR_LIBS="$FLAVOUR_LIBS -framework Cocoa -framework OpenGL"
CLUTTER_WINSYS=osx
CLUTTER_SONAME_INFIX=osx
],
[win32],
[
CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_WIN32"
AC_DEFINE([HAVE_CLUTTER_WIN32], [1], [Have the Win32 backend])
FLAVOUR_LIBS="$FLAVOUR_LIBS -lopengl32 -lgdi32 -lwinmm"
FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS -D_WIN32_WINNT=0x0500"
AC_CHECK_TOOL(WINDRES, windres, no)
if test "$WINDRES" = no; then
AC_MSG_ERROR([*** windres is required])
fi
CLUTTER_WINSYS=win32
CLUTTER_SONAME_INFIX=win32
],
[AC_MSG_ERROR([Invalid backend for Clutter])]
)
AS_IF([test "x$SUPPORT_X11" = "x1"],
dnl Per-backend rules
AS_IF([test "x$enable_x11" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS x11"
SUPPORT_X11=1
SUPPORT_GLX=1
SUPPORT_COGL=1
# Mesa 7.3 added a GL pkg-config file, finally, but if a pkg-config
# file isn't found just add -lGL and hope for the best.
PKG_CHECK_EXISTS([gl],
[BACKEND_PC_FILES="$BACKEND_PC_FILES gl"],
[FLAVOUR_LIBS="$FLAVOUR_LIBS -lGL"])
# if Mesa has support for egl, we can use it as well
PKG_CHECK_EXISTS([egl],
[
BACKEND_PC_FILES="$BACKEND_PC_FILES egl"
SUPPORT_EGL=1
],
[])
# We might fall back to DRM for sync-to-vblank on GLX
PKG_CHECK_EXISTS([libdrm],
[
AC_DEFINE([HAVE_DRM], [1], [Have libdrm support])
BACKEND_PC_FILES="$BACKEND_PC_FILES libdrm"
],
[])
# we use fontconfig API and pango-fc when the fontconfig
# configuration changes
PKG_CHECK_EXISTS([pangoft2],
@ -405,45 +269,167 @@ AS_IF([test "x$SUPPORT_X11" = "x1"],
BACKEND_PC_FILES="$BACKEND_PC_FILES pangoft2"
],
[])
])
AS_IF([test "x$SUPPORT_GLX" = "x1"],
[
AC_DEFINE([HAVE_CLUTTER_GLX], [1], [Have the GLX backend])
])
AS_IF([test "x$SUPPORT_WAYLAND" = "x1"],
AS_IF([test "x$enable_gdk" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS gdk"
SUPPORT_GDK=1
SUPPORT_COGL=1
BACKEND_PC_FILES="$BACKEND_PC_FILES gdk-3.0"
PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
])
AS_IF([test "x$enable_wayland" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS wayland"
experimental_backend="yes"
SUPPORT_WAYLAND=1
PKG_CHECK_EXISTS([gl], [BACKEND_PC_FILES="$BACKEND_PC_FILES gl"], [])
PKG_CHECK_EXISTS([egl], [BACKEND_PC_FILES="$BACKEND_PC_FILES egl"], [])
PKG_CHECK_EXISTS([wayland-client xkbcommon],
[BACKEND_PC_FILES="$BACKEND_PC_FILES wayland-client xkbcommon"],
[])
AC_DEFINE([HAVE_CLUTTER_WAYLAND], [1], [Have the Wayland backend])
])
AS_IF([test "x$SUPPORT_EGL" = "x1"],
AS_IF([test "x$enable_egl" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS egl"
SUPPORT_EGL=1
SUPPORT_COGL=1
AC_ARG_WITH([tslib],
[AS_HELP_STRING([--with-tslib=@<:@yes/no@:>@], [Use TSLib for events])],
[],
[with_tslib=yes])
AC_ARG_WITH([evdev],
[AS_HELP_STRING([--with-evdev=@<:@yes/no@:>@], [Use evdev for events])],
[],
[with_evdev=yes])
AC_ARG_WITH([gdl],
[AS_HELP_STRING([--with-gdl=@<:@yes/no@:>@], [Use libgdl for CE3100/CE4100 support])],
[],
[with_gdl=no])
AS_IF([test "x$with_tslib" = "xyes"],
[
PKG_CHECK_MODULES(TSLIB, [tslib-1.0], [have_tslib=yes], [have_tslib=no])
AS_IF([test "x$have_tslib" = "xyes"],
[
AC_DEFINE([HAVE_TSLIB], [1], [Have tslib for touchscreen handling])
])
])
AS_IF([test "x$with_evdev" = "xyes"],
[
PKG_CHECK_MODULES(EVDEV, [gudev-1.0 xkbcommon], [have_evdev=yes], [have_evdev=no])
AS_IF([test "x$have_evdev" = "xyes"],
[
AC_DEFINE([HAVE_EVDEV], [1], [Have evdev support for input handling])
])
])
AS_IF([test "x$with_gdl" = "xyes"],
[
have_gdl=no
AC_CHECK_HEADERS([libgdl.h], [have_gdl=yes])
AS_IF([test "x$have_gdl" = "xno"],
[
AC_CHECK_HEADERS([CE4100/libgdl.h],
[
FLAVOUR_CFLAGS="-I/usr/include/CE4100"
have_gdl=yes
CLUTTER_CEX100_LIBGDL_PREFIX=CE4100/
])
])
AC_SUBST(CLUTTER_CEX100_LIBGDL_PREFIX)
AS_IF([test "x$have_gdl" = "xno"], [AC_MSG_ERROR([libgdl.h not found])])
FLAVOUR_LIBS="$FLAVOUR_LIBS -lgdl"
SUPPORT_EGL_PLATFORM_GDL=1
AC_DEFINE([CLUTTER_EGL_BACKEND_CEX100], [1], [Use CEX100 EGL backend])
])
# Make sure we don't enable tslib and evdev at the same time, we
# don't support multiple event backends yet.
AS_IF([test "x$have_tslib" = "xyes" -a "x$have_evdev" = "xyes"],
[
AC_MSG_ERROR([Cannot enable both tslib and evdev events])
])
FLAVOUR_LIBS="$FLAVOUR_LIBS $TSLIB_LIBS $EVDEV_LIBS"
FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS $TSLIB_CFLAGS $EVDEV_CFLAGS"
AC_DEFINE([CLUTTER_EGL_BACKEND_GENERIC], [1], [Use Generic EGL backend])
AC_DEFINE([HAVE_CLUTTER_EGL], [1], [Have the EGL backend])
])
AS_IF([test "x$CLUTTER_EGL_BACKEND" = "xgeneric"],
AC_DEFINE([CLUTTER_EGL_BACKEND_GENERIC], [1], [Use Generic EGL backend]))
AS_IF([test "x$enable_osx" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS osx"
AS_IF([test "x$CLUTTER_EGL_BACKEND" = "xcex100"],
AC_DEFINE([CLUTTER_EGL_BACKEND_CEX100], [1], [Use CEX100 EGL backend]))
AC_DEFINE([HAVE_CLUTTER_OSX], [1], [Have the OSX backend])
# winsys conditionals for use in automake files...
AM_CONDITIONAL(SUPPORT_GLX, [test "x$SUPPORT_GLX" = "x1"])
AM_CONDITIONAL(SUPPORT_X11, [test "x$SUPPORT_X11" = "x1"])
AM_CONDITIONAL(SUPPORT_XLIB, [test "x$SUPPORT_XLIB" = "x1"])
AM_CONDITIONAL(SUPPORT_GDK, [test "x$SUPPORT_GDK" = "x1"])
AM_CONDITIONAL(SUPPORT_EGL, [test "x$SUPPORT_EGL" = "x1"])
AM_CONDITIONAL(SUPPORT_OSX, [test "x$CLUTTER_WINSYS" = "xosx"])
AM_CONDITIONAL(SUPPORT_WIN32, [test "x$CLUTTER_WINSYS" = "xwin32"])
AM_CONDITIONAL(SUPPORT_CEX100, [test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"])
AM_CONDITIONAL(SUPPORT_WAYLAND, [test "x$CLUTTER_WINSYS" = "xwayland"])
AM_CONDITIONAL(SUPPORT_STUB, [test "x$CLUTTER_WINSYS" = "xwin32" -o \
"x$CLUTTER_WINSYS" = "xosx" -o \
"x$CLUTTER_WINSYS" = "xwayland"])
FLAVOUR_LIBS="$FLAVOUR_LIBS -framework Cocoa -framework OpenGL"
SUPPORT_OSX=1
])
AS_IF([test "x$enable_win32" = "xyes"],
[
CLUTTER_BACKENDS="$CLUTTER_BACKENDS win32"
AC_DEFINE([HAVE_CLUTTER_WIN32], [1], [Have the Win32 backend])
FLAVOUR_LIBS="$FLAVOUR_LIBS -lopengl32 -lgdi32 -lwinmm"
FLAVOUR_CFLAGS="$FLAVOUR_CFLAGS -D_WIN32_WINNT=0x0500"
AC_CHECK_TOOL(WINDRES, [windres], [AC_MSG_ERROR([*** windres is required])])
SUPPORT_WIN32=1
])
AS_IF([test "x$CLUTTER_BACKENDS" = "x"],
[
AC_MSG_ERROR([No backend enabled. You need to enable at least one backend.])
])
# conditionals for use in automake files...
AM_CONDITIONAL(SUPPORT_GLX, [test "x$SUPPORT_GLX" = "x1"])
AM_CONDITIONAL(SUPPORT_X11, [test "x$SUPPORT_X11" = "x1"])
AM_CONDITIONAL(SUPPORT_GDK, [test "x$SUPPORT_GDK" = "x1"])
AM_CONDITIONAL(SUPPORT_EGL, [test "x$SUPPORT_EGL" = "x1"])
AM_CONDITIONAL(SUPPORT_OSX, [test "x$SUPPORT_OSX" = "x1"])
AM_CONDITIONAL(SUPPORT_WIN32, [test "x$SUPPORT_WIN32" = "x1"])
AM_CONDITIONAL(SUPPORT_CEX100, [test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"])
AM_CONDITIONAL(SUPPORT_WAYLAND, [test "x$SUPPORT_WAYLAND" = "x1"])
AM_CONDITIONAL(SUPPORT_STUB, [test "x$SUPPORT_WIN32" = "x1" -o \
"x$SUPPORT_OSX" = "x1" -o \
"x$SUPPORT_WAYLAND" = "x1"])
AM_CONDITIONAL(USE_COGL, [test "x$SUPPORT_COGL" = "x1"])
AM_CONDITIONAL(USE_TSLIB, [test "x$have_tslib" = "xyes"])
AM_CONDITIONAL(SUPPORT_EVDEV, [test "x$have_evdev" = "xyes"])
AM_CONDITIONAL(USE_EVDEV, [test "x$have_evdev" = "xyes"])
AM_CONDITIONAL(USE_GLD, [test "x$have_gdl" = "xyes"])
dnl Instead of using AM_CFLAGS to ensure
dnl COGL_ENABLE_EXPERIMENTAL_2_0_API is defined while compiling clutter
@ -452,12 +438,16 @@ dnl other tools such as glib-mkenums and gir-scanner don't end up
dnl using the define also.
AC_DEFINE([COGL_ENABLE_EXPERIMENTAL_2_0_API], [1], [Can use Cogl 2.0 API internally])
dnl strip leading spaces
CLUTTER_BACKENDS=${CLUTTER_BACKENDS#* }
AC_SUBST(CLUTTER_BACKENDS)
dnl === Clutter configuration =================================================
CLUTTER_CONFIG_DEFINES=
# windowing systems
AS_IF([test "x$SUPPORT_XLIB" = "x1"],
AS_IF([test "x$SUPPORT_X11" = "x1"],
[CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
#define CLUTTER_WINDOWING_X11 1"])
AS_IF([test "x$SUPPORT_GDK" = "x1"],
@ -469,13 +459,13 @@ AS_IF([test "x$SUPPORT_GLX" = "x1"],
AS_IF([test "x$SUPPORT_EGL" = "x1"],
[CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
#define CLUTTER_WINDOWING_EGL 1"])
AS_IF([test "x$CLUTTER_WINSYS" = "xwayland"],
AS_IF([test "x$SUPPORT_WAYLAND" = "x1"],
[CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
#define CLUTTER_WINDOWING_WAYLAND 1"])
AS_IF([test "x$CLUTTER_WINSYS" = "xosx"],
AS_IF([test "x$SUPPORT_OSX" = "x1"],
[CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
#define CLUTTER_WINDOWING_OSX 1"])
AS_IF([test "x$CLUTTER_WINSYS" = "xwin32"],
AS_IF([test "x$SUPPORT_WIN32" = "x1"],
[CLUTTER_CONFIG_DEFINES="$CLUTTER_CONFIG_DEFINES
#define CLUTTER_WINDOWING_WIN32 1"])
AS_IF([test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"],
@ -484,22 +474,14 @@ AS_IF([test "x$SUPPORT_EGL_PLATFORM_GDL" = "x1"],
AC_SUBST([CLUTTER_CONFIG_DEFINES])
dnl === Clutter substitutions =================================================
# Eventually the idea of a winsys should be hidden from Clutter and moved
# into Cogl, but for now we have CLUTTER_WINSYS...
AC_SUBST([CLUTTER_WINSYS])
# The same goes for the winsys-base...
AC_SUBST([CLUTTER_WINSYS_BASE])
AC_SUBST(CLUTTER_STAGE_TYPE)
AC_SUBST(CLUTTER_SONAME_INFIX)
CLUTTER_WINSYS_LIB=libclutter-$CLUTTER_SONAME_INFIX-$CLUTTER_API_VERSION.la
AC_SUBST([CLUTTER_WINSYS_LIB])
dnl === Clutter substitutions kept for backwards compatibility ================
AC_SUBST([CLUTTER_FLAVOUR])
CLUTTER_COGL=undefined
AC_SUBST([CLUTTER_COGL])
AC_SUBST([CLUTTER_WINSYS], [deprecated])
AC_SUBST([CLUTTER_WINSYS_BASE], [deprecated])
AC_SUBST([CLUTTER_STAGE_TYPE], [deprecated])
AC_SUBST([CLUTTER_SONAME_INFIX], [deprecated])
AC_SUBST([CLUTTER_FLAVOUR], [deprecated])
AC_SUBST([CLUTTER_COGL], [deprecated])
AC_SUBST([COGL_DRIVER], [deprecated])
dnl === Image loading backend =================================================
IMAGE_PC_FILES=""
@ -508,7 +490,7 @@ dnl === X11 checks, only for X11-based backends ===============================
X11_PC_FILES=""
x11_tests=no
AS_IF([test "x$SUPPORT_XLIB" = "x1"],
AS_IF([test "x$SUPPORT_X11" = "x1"],
[
# base X11 includes and libraries
AC_MSG_CHECKING([for X11])
@ -689,7 +671,7 @@ AS_IF([test "x$SUPPORT_XLIB" = "x1"],
)
AM_CONDITIONAL([BUILD_XI2], [test "x$have_xinput2" = "xyes"])
AM_CONDITIONAL(X11_TESTS, [test "x$x11_tests" = "xyes"])
AM_CONDITIONAL([X11_TESTS], [test "x$x11_tests" = "xyes"])
dnl === Enable debug level ====================================================
@ -1012,8 +994,6 @@ echo " • Global:"
echo " Prefix: ${prefix}"
echo " Libdir: ${libdir}"
echo " Sysconfdir: ${sysconfdir}"
echo " Flavour: ${CLUTTER_WINSYS}"
echo " Target library: ${CLUTTER_WINSYS_LIB}"
# Compiler/Debug related flags
echo ""
@ -1038,21 +1018,29 @@ echo " Build conformance test suite: ${enable_conformance}"
# Clutter backend related flags
echo ""
echo " • Clutter Backend:"
echo " • Clutter Backends:"
if test "x$experimental_backend" = "xno"; then
echo " Windowing system: ${CLUTTER_WINSYS}"
echo " Windowing systems: ${CLUTTER_BACKENDS}"
else
echo " Windowing system: ${CLUTTER_WINSYS} (WARNING: Experimental)"
echo " Windowing systems: ${CLUTTER_BACKENDS} (WARNING: Experimental backends enabled)"
fi
if test "x$SUPPORT_XLIB" = "x1"; then
if test "x$SUPPORT_X11" = "x1"; then
echo ""
echo " Enable XComposite: ${have_xcomposite}"
echo " Enable XInput: ${have_xinput}"
echo " Enable Xge: ${have_xge}"
echo " Enable XI2: ${have_xinput2}"
echo " Enable XKB: ${have_xkb}"
echo " Enable X11 tests: ${x11_tests}"
echo " Build X11-specific tests: ${x11_tests}"
fi
if test "x$SUPPORT_EGL" = "x1"; then
echo ""
echo " Enable TSLib: ${have_tslib}"
echo " Enable evdev: ${have_evdev}"
echo " Enable GDL: ${have_gdl}"
fi
echo ""

View File

@ -57,7 +57,7 @@ INCLUDES = \
-I$(top_builddir)/clutter \
$(NULL)
LDADD = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
LDADD = $(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la
AM_CFLAGS = $(CLUTTER_CFLAGS) $(MAINTAINER_CFLAGS)

View File

@ -79,7 +79,7 @@ expand_content_files= \
# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
INCLUDES=-I$(top_srcdir) -I$(top_srcdir)/clutter -I$(top_srcdir)/clutter/cogl -I$(top_builddir) -I$(top_builddir)/clutter -I$(top_builddir)/clutter/cogl $(CLUTTER_CFLAGS)
GTKDOC_LIBS=$(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
GTKDOC_LIBS=$(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
# This includes the standard gtk-doc make rules, copied by gtkdocize.
include $(top_srcdir)/gtk-doc.make

View File

@ -162,7 +162,7 @@ expand_content_files= \
# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
INCLUDES=-I$(top_srcdir) -I$(top_srcdir)/clutter -I$(top_srcdir)/clutter/cogl -I$(top_builddir) -I$(top_builddir)/clutter -I$(top_builddir)/clutter/cogl $(CLUTTER_CFLAGS)
GTKDOC_LIBS=$(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
GTKDOC_LIBS=$(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
# This includes the standard gtk-doc make rules, copied by gtkdocize.
include $(top_srcdir)/gtk-doc.make

View File

@ -1,7 +1,7 @@
include $(top_srcdir)/build/autotools/Makefile.am.silent
common_ldadd = \
$(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
$(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la
common_sources = \
cally-examples-util.c \

View File

@ -165,7 +165,7 @@ test_conformance_CPPFLAGS = \
test_conformance_CFLAGS = -g $(CLUTTER_CFLAGS) $(MAINTAINER_CFLAGS)
test_conformance_LDADD = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
test_conformance_LDADD = $(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la $(CLUTTER_LIBS)
test_conformance_LDFLAGS = -export-dynamic

View File

@ -128,7 +128,7 @@ INCLUDES = \
-I$(top_builddir)/clutter \
-I$(top_builddir)/clutter/cogl
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la
noinst_PROGRAMS = test-interactive

View File

@ -1,6 +1,6 @@
include $(top_srcdir)/build/autotools/Makefile.am.silent
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la
noinst_PROGRAMS = \
test-text \

View File

@ -14,7 +14,7 @@ INCLUDES = \
-I$(top_srcdir)/clutter \
-I$(top_builddir)/clutter
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_API_VERSION@.la
LDADD = $(common_ldadd) $(CLUTTER_LIBS) -lm