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mutter/clutter/Makefile.am
Emmanuele Bassi 678f99677f Use a single master "clock" to drive timelines 
Currently, all timelines install a timeout inside the TimeoutPool
they share. Every time the main loop spins, all the timeouts are
updated. This, in turn, will usually lead to redraws being queued
on the stages.

This behaviour leads to the potential starvation of timelines and
to excessive redraws.

One lesson learned from the games developers is that the scenegraph
should be prepared in its entirety before the GL paint sequence is
initiated. This means making sure that every ::new-frame signal
handler is called before clutter_redraw() is invoked.

In order to do so a TimeoutPool is not enough: we need a master
clock. The clock will be responsible for advancing all the active
timelines created inside a scene, but only when the stage is
being redrawn.

The sequence is:

  + queue_redraw() is invoked on an actor and bubbles up
    to the stage

  + if no redraw() has already been scheduled, install an
    idle handler with a known priority

  + inside the idle handler:

    - advance the master clock, which will in turn advance
      every playing timeline by the amount of milliseconds
      elapsed since the last redraw; this will make every
      playing timeline emit the ::new-frame signal

    - queue a relayout

    - call the redraw() method of the backend

This way we trade multiple timeouts with a single frame source
that only runs if a timeline is playing and queues redraws on
the various stages.
2009-04-24 15:28:15 +01:00

317 lines
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Makefile
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NULL =
V = @
Q = $(V:1=)
QUIET_GEN = $(Q:@=@echo ' GEN '$@;)
SUBDIRS = cogl pango $(backendextra) $(clutterbackend)
if LOCAL_JSON_GLIB
SUBDIRS += json
clutter_json_include = -I$(top_srcdir)/clutter/json
clutter_json_dep = json/libclutter-json.la
clutter_json_libadd = $(top_builddir)/clutter/json/libclutter-json.la
endif
DIST_SUBDIRS = pango glx eglx eglnative cogl sdl json osx x11 win32 fruity
target = $(clutterbackend)
MARSHALFILES = clutter-marshal.c clutter-marshal.h
ENUMFILES = clutter-enum-types.c clutter-enum-types.h
STAMPFILES = stamp-clutter-marshal.h stamp-clutter-enum-types.h
INCLUDES = \
-I$(top_srcdir) \
-I$(top_srcdir)/clutter/cogl \
-I$(top_srcdir)/clutter/pango \
-I$(top_srcdir)/clutter \
$(clutter_json_include) \
-I$(top_builddir)/clutter \
-DCLUTTER_PREFIX=\""$(prefix)"\" \
-DCLUTTER_LIBDIR=\""$(libdir)"\" \
-DCLUTTER_DATADIR=\""$(datadir)"\" \
-DCLUTTER_COMPILATION=1 \
-DG_DISABLE_DEPRECATED \
-DG_LOG_DOMAIN=\"Clutter\" \
$(CLUTTER_CFLAGS) \
$(NULL)
AM_CFLAGS = $(GCC_FLAGS) $(CLUTTER_DEBUG_CFLAGS) $(MAINTAINER_CFLAGS)
LDADD = \
$(CLUTTER_LT_LDFLAGS) \
-export-dynamic \
-export-symbols-regex "^(clutter|cogl|json|pango).*" \
-rpath $(libdir) \
$(NULL)
BUILT_SOURCES = $(MARSHALFILES) $(ENUMFILES)
# please, keep this sorted alphabetically
source_h = \
$(srcdir)/clutter-actor.h \
$(srcdir)/clutter-alpha.h \
$(srcdir)/clutter-animatable.h \
$(srcdir)/clutter-animation.h \
$(srcdir)/clutter-backend.h \
$(srcdir)/clutter-behaviour.h \
$(srcdir)/clutter-behaviour-depth.h \
$(srcdir)/clutter-behaviour-ellipse.h \
$(srcdir)/clutter-behaviour-opacity.h \
$(srcdir)/clutter-behaviour-path.h \
$(srcdir)/clutter-behaviour-rotate.h \
$(srcdir)/clutter-behaviour-scale.h \
$(srcdir)/clutter-binding-pool.h \
$(srcdir)/clutter-cairo-texture.h \
$(srcdir)/clutter-child-meta.h \
$(srcdir)/clutter-clone.h \
$(srcdir)/clutter-color.h \
$(srcdir)/clutter-container.h \
$(srcdir)/clutter-deprecated.h \
$(srcdir)/clutter-event.h \
$(srcdir)/clutter-feature.h \
$(srcdir)/clutter-fixed.h \
$(srcdir)/clutter-frame-source.h \
$(srcdir)/clutter-group.h \
$(srcdir)/clutter-interval.h \
$(srcdir)/clutter-keysyms.h \
$(srcdir)/clutter-list-model.h \
$(srcdir)/clutter-main.h \
$(srcdir)/clutter-media.h \
$(srcdir)/clutter-model.h \
$(srcdir)/clutter-path.h \
$(srcdir)/clutter-rectangle.h \
$(srcdir)/clutter-score.h \
$(srcdir)/clutter-script.h \
$(srcdir)/clutter-scriptable.h \
$(srcdir)/clutter-shader.h \
$(srcdir)/clutter-shader-types.h \
$(srcdir)/clutter-stage.h \
$(srcdir)/clutter-stage-manager.h \
$(srcdir)/clutter-texture.h \
$(srcdir)/clutter-text.h \
$(srcdir)/clutter-timeline.h \
$(srcdir)/clutter-timeout-pool.h \
$(srcdir)/clutter-types.h \
$(srcdir)/clutter-units.h \
$(srcdir)/clutter-util.h \
$(top_builddir)/clutter/clutter-version.h \
$(NULL)
clutter-marshal.h: stamp-clutter-marshal.h
@true
stamp-clutter-marshal.h: clutter-marshal.list
$(QUIET_GEN)$(GLIB_GENMARSHAL) \
--prefix=clutter_marshal \
--header \
$(srcdir)/clutter-marshal.list > xgen-cmh \
&& (cmp -s xgen-cmh clutter-marshal.h || cp xgen-cmh clutter-marshal.h ) \
&& rm -f xgen-cmh \
&& echo timestamp > $(@F)
clutter-marshal.c: clutter-marshal.h Makefile
$(QUIET_GEN)( echo "#include \"clutter-marshal.h\"" ; \
$(GLIB_GENMARSHAL) \
--prefix=clutter_marshal \
--body \
$(srcdir)/clutter-marshal.list --body ) >> xgen-cmc \
&& cp xgen-cmc clutter-marshal.c \
&& rm -f xgen-cmc
clutter-enum-types.h: stamp-clutter-enum-types.h
@true
stamp-clutter-enum-types.h: $(source_h) Makefile
$(QUIET_GEN)( $(GLIB_MKENUMS) \
--template $(srcdir)/clutter-enum-types.h.in \
$(source_h) ) >> xgen-ceth && \
(cmp -s xgen-ceth clutter-enum-types.h || cp xgen-ceth clutter-enum-types.h) && \
rm -f xgen-ceth && \
echo timestamp > $(@F)
clutter-enum-types.c: clutter-enum-types.h
$(QUIET_GEN)( $(GLIB_MKENUMS) \
--template $(srcdir)/clutter-enum-types.c.in \
$(source_h) ) >> xgen-cetc && \
cp xgen-cetc clutter-enum-types.c && \
rm -f xgen-cetc
CLEANFILES = $(STAMPFILES)
# please, keep this sorted alphabetically
source_c = \
$(srcdir)/clutter-actor.c \
$(srcdir)/clutter-alpha.c \
$(srcdir)/clutter-animatable.c \
$(srcdir)/clutter-animation.c \
$(srcdir)/clutter-backend.c \
$(srcdir)/clutter-behaviour.c \
$(srcdir)/clutter-behaviour-depth.c \
$(srcdir)/clutter-behaviour-ellipse.c \
$(srcdir)/clutter-behaviour-opacity.c \
$(srcdir)/clutter-behaviour-path.c \
$(srcdir)/clutter-behaviour-rotate.c \
$(srcdir)/clutter-behaviour-scale.c \
$(srcdir)/clutter-bezier.c \
$(srcdir)/clutter-binding-pool.c \
$(srcdir)/clutter-cairo-texture.c \
$(srcdir)/clutter-child-meta.c \
$(srcdir)/clutter-clone.c \
$(srcdir)/clutter-color.c \
$(srcdir)/clutter-container.c \
clutter-enum-types.c \
$(srcdir)/clutter-event.c \
$(srcdir)/clutter-feature.c \
$(srcdir)/clutter-fixed.c \
$(srcdir)/clutter-frame-source.c \
$(srcdir)/clutter-group.c \
$(srcdir)/clutter-id-pool.c \
$(srcdir)/clutter-interval.c \
$(srcdir)/clutter-list-model.c \
$(srcdir)/clutter-main.c \
clutter-marshal.c \
$(srcdir)/clutter-master-clock.c \
$(srcdir)/clutter-media.c \
$(srcdir)/clutter-model.c \
$(srcdir)/clutter-path.c \
$(srcdir)/clutter-rectangle.c \
$(srcdir)/clutter-score.c \
$(srcdir)/clutter-script.c \
$(srcdir)/clutter-script-parser.c \
$(srcdir)/clutter-scriptable.c \
$(srcdir)/clutter-shader.c \
$(srcdir)/clutter-shader-types.c \
$(srcdir)/clutter-stage.c \
$(srcdir)/clutter-stage-manager.c \
$(srcdir)/clutter-stage-window.c \
$(srcdir)/clutter-texture.c \
$(srcdir)/clutter-text.c \
$(srcdir)/clutter-timeline.c \
$(srcdir)/clutter-timeout-interval.c \
$(srcdir)/clutter-timeout-pool.c \
$(srcdir)/clutter-units.c \
$(srcdir)/clutter-util.c \
$(NULL)
source_h_priv = \
$(srcdir)/clutter-bezier.h \
$(srcdir)/clutter-debug.h \
$(srcdir)/clutter-keysyms-table.h \
$(srcdir)/clutter-master-clock.h \
$(srcdir)/clutter-model-private.h \
$(srcdir)/clutter-private.h \
$(srcdir)/clutter-id-pool.h \
$(srcdir)/clutter-script-private.h \
$(srcdir)/clutter-stage-window.h \
$(srcdir)/clutter-timeout-interval.h \
$(NULL)
libclutter_@CLUTTER_FLAVOUR@_@CLUTTER_API_VERSION@_la_LIBADD = \
$(CLUTTER_LIBS) \
$(top_builddir)/clutter/pango/libcoglpango.la \
$(top_builddir)/clutter/$(CLUTTER_FLAVOUR)/libclutter-$(CLUTTER_FLAVOUR).la \
$(top_builddir)/clutter/cogl/$(CLUTTER_COGL)/libclutter-cogl.la \
$(clutter_json_libadd) \
$(backendextralib)
libclutter_@CLUTTER_FLAVOUR@_@CLUTTER_API_VERSION@_la_DEPENDENCIES = \
$(top_builddir)/clutter/pango/libcoglpango.la \
$(top_builddir)/clutter/$(CLUTTER_FLAVOUR)/libclutter-$(CLUTTER_FLAVOUR).la \
$(top_builddir)/clutter/cogl/$(CLUTTER_COGL)/libclutter-cogl.la \
$(clutter_json_dep) \
$(backendextralib)
libclutter_@CLUTTER_FLAVOUR@_@CLUTTER_API_VERSION@_la_SOURCES = \
$(source_c) \
$(source_h) \
$(source_h_priv)
libclutter_@CLUTTER_FLAVOUR@_@CLUTTER_API_VERSION@_la_LDFLAGS = $(LDADD)
lib_LTLIBRARIES = $(clutterbackendlib)
EXTRA_LTLIBRARIES = libclutter-@CLUTTER_FLAVOUR@-@CLUTTER_API_VERSION@.la
clutterdir = $(includedir)/clutter-$(CLUTTER_API_VERSION)/clutter
clutter_HEADERS = \
$(source_h) \
$(top_builddir)/clutter/clutter-json.h \
$(top_builddir)/clutter/clutter-enum-types.h \
$(top_builddir)/clutter/clutter-version.h \
$(top_srcdir)/clutter/clutter.h
if HAVE_INTROSPECTION
BUILT_GIRSOURCES =
if LOCAL_JSON_GLIB
json_gir_include_path=--add-include-path=json
endif
# We can't reference the list of COGL header files, since they are in a
# subdir Makefile.am, so just extract them from cogl.h instead. The doc comments
# for COGL are in the headers, so we don't need the source files.
Clutter-@CLUTTER_API_VERSION@.gir: $(INTROSPECTION_SCANNER) libclutter-@CLUTTER_FLAVOUR@-@CLUTTER_API_VERSION@.la
headers=`sed -n "s/#include <cogl\/\([^>]*\)>/\1/p" < $(top_srcdir)/clutter/cogl/cogl.h` ; \
cogl_headers="" ; \
for header in $$headers; do \
cogl_headers="$$cogl_headers $(top_srcdir)/clutter/cogl/$$header " ; \
done ; \
$(INTROSPECTION_SCANNER) -v --namespace Clutter --nsversion=@CLUTTER_API_VERSION@ \
$(INCLUDES) \
$(json_gir_include_path) \
--include=GL-1.0 \
--include=GObject-2.0 \
--include=Pango-1.0 \
--include=PangoCairo-1.0 \
--include=ClutterJson-@CLUTTER_API_VERSION@ \
--library=clutter-@CLUTTER_FLAVOUR@-@CLUTTER_API_VERSION@ \
--libtool="$(top_builddir)/doltlibtool" \
--pkg gobject-2.0 \
--pkg pango \
--pkg pangocairo \
--output $@ \
$(clutter_HEADERS) \
$$cogl_headers \
$(top_builddir)/clutter/cogl/cogl-defines-$(CLUTTER_COGL).h \
$(source_c)
BUILT_GIRSOURCES += Clutter-@CLUTTER_API_VERSION@.gir
if LOCAL_JSON_GLIB
# We build ClutterJson.gir in the json/ subdir, but it needs to reference the shared library
# that it's built into, so we delay compiling the gir into typelib until after we've built
# the shared library. To create the final ClutterJson.gir that we compiler and install, we
# transfer the shared-library="" line from Clutter.gir to ClutterJson.gir
ClutterJson-@CLUTTER_API_VERSION@.gir: Clutter-@CLUTTER_API_VERSION@.gir json/ClutterJson-@CLUTTER_API_VERSION@.gir
shlib=`sed -n 's/.*shared-library="\([^"]*\)".*/\1/p' < Clutter-@CLUTTER_API_VERSION@.gir` ; \
sed "s/shared-library=\"clutter-json\"/shared-library=\"$$shlib\"/"< json/ClutterJson-@CLUTTER_API_VERSION@.gir > $@
BUILT_GIRSOURCES += ClutterJson-@CLUTTER_API_VERSION@.gir
endif
# INTROSPECTION_GIRDIR/INTROSPECTION_TYPELIBDIR aren't the right place to install
# thing - we need to install inside our prefix.
girdir = $(datadir)/gir-1.0
gir_DATA = $(BUILT_GIRSOURCES)
typelibsdir = $(libdir)/girepository-1.0/
typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
%.typelib: %.gir $(INTROSPECTION_COMPILER)
$(QUIET_GEN)$(DEBUG) $(INTROSPECTION_COMPILER) --includedir=$(srcdir) --includedir=. $(INTROSPECTION_COMPILER_OPTS) $< -o $(@F)
CLEANFILES += $(BUILT_GIRSOURCES) $(typelibs_DATA)
endif
DISTCLEANFILES = \
$(ENUMFILES) \
$(MARSHALFILES) \
clutter-version.h \
$(NULL)
EXTRA_DIST = \
clutter-marshal.list \
clutter-version.h.in \
clutter-enum-types.h.in \
clutter-enum-types.c.in \
$(NULL)
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