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The current "create context/draw/destroy context" pattern presents
various problems. The first issue is that it defers memory management to
the caller of the create() or create_region() methods, which makes
bookkeeping of the cairo_t* harder for language bindings and third party
libraries. The second issue is that, while it's easier for
draw-and-forget texturs, this API is needlessly complicated for contents
that have to change programmatically - and it introduces constraints
like calling the drawing code explicitly after a surface resize (e.g.
inside an allocate() implementation).
By using a signal-based approach we can make the CairoTexture actor
behave like other actors, and like other libraries using Cairo as their
2D drawing API.
The semantics of the newly-introduced ::draw signal are the same as the
one used by GTK+:
- the signal is emitted on invalidation;
- the cairo_t* context is owned by the actor;
- it is safe to have multiple callbacks attached to the same
signal, to allow composition;
- the cairo_t* is already clipped to the invalidated area, so
that Cairo can discard geometry immediately before we upload
the texture data.
There are possible future improvements, like coalescing multiple
invalidations inside regions, and performing clipped draws during
the paint cycle; we could even perform clipped redraws if we know the
extent of the invalidated area.
134 lines
3.1 KiB
Makefile
134 lines
3.1 KiB
Makefile
include $(top_srcdir)/build/autotools/Makefile.am.silent
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UNIT_TESTS = \
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test-textures.c \
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test-texture-async.c \
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test-texture-material.c \
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test-events.c \
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test-scale.c \
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test-actors.c \
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test-actor-clone.c \
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test-behave.c \
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test-shader-effects.c \
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test-depth.c \
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test-threads.c \
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test-script.c \
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test-model.c \
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test-grab.c \
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test-fullscreen.c \
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test-shader.c \
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test-cogl-shader-arbfp.c \
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test-cogl-shader-glsl.c \
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test-animator.c \
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test-state.c \
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test-state-animator.c \
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test-unproject.c \
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test-fbo.c \
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test-multistage.c \
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test-cogl-primitives.c \
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test-cogl-tex-tile.c \
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test-cogl-tex-convert.c \
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test-cogl-tex-foreign.c \
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test-cogl-tex-getset.c \
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test-cogl-offscreen.c \
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test-cogl-tex-polygon.c \
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test-cogl-multitexture.c \
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test-stage-read-pixels.c \
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test-clip.c \
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test-paint-wrapper.c \
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test-texture-quality.c \
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test-layout.c \
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test-animation.c \
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test-easing.c \
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test-binding-pool.c \
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test-text.c \
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test-text-field.c \
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test-cairo-clock.c \
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test-cairo-flowers.c \
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test-cogl-vertex-buffer.c \
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test-bin-layout.c \
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test-flow-layout.c \
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test-box-layout.c \
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test-stage-sizing.c \
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test-drag.c \
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test-constraints.c \
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test-scrolling.c \
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test-swipe-action.c \
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test-cogl-point-sprites.c \
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test-table-layout.c \
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test-path-constraint.c \
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test-snap-constraint.c \
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test-state-script.c \
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test-drop.c
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if X11_TESTS
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UNIT_TESTS += test-pixmap.c test-devices.c
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endif
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if OS_WIN32
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SHEXT =
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else
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SHEXT = $(EXEEXT)
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endif
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# For convenience, this provides a way to easily run individual unit tests:
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wrappers: stamp-test-interactive
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@true
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stamp-test-interactive: Makefile test-interactive$(EXEEXT)
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@wrapper=$(abs_builddir)/wrapper.sh ; \
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chmod +x $$wrapper && \
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( echo "/stamp-test-interactive" ; \
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echo "/test-interactive" ; \
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echo "*.o" ; \
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echo ".gitignore" ) > .gitignore ; \
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for i in $(UNIT_TESTS); \
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do \
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test_bin=$${i%*.c} ; \
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echo " GEN $$test_bin" ; \
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( echo "#!/bin/sh" ; \
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echo "$$wrapper $$test_bin \$$@" \
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) > $$test_bin$(SHEXT) ; \
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chmod +x $$test_bin$(SHEXT) ; \
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echo "/$$test_bin$(SHEXT)" >> .gitignore ; \
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done \
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&& echo timestamp > $(@F)
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clean-wrappers:
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@for i in $(UNIT_TESTS); \
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do \
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test_bin=$${i%*.c} ; \
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echo " RM $$test_bin"; \
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rm -f $$test_bin$(SHEXT); \
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done \
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&& rm -f stamp-test-interactive
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.PHONY: wrappers clean-wrappers
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INCLUDES = \
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-I$(top_srcdir) \
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-I$(top_srcdir)/clutter \
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-I$(top_srcdir)/clutter/cogl \
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-I$(top_builddir)/clutter \
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-I$(top_builddir)/clutter/cogl
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common_ldadd = $(top_builddir)/clutter/libclutter-@CLUTTER_SONAME_INFIX@-@CLUTTER_API_VERSION@.la
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noinst_PROGRAMS = test-interactive
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test_interactive_SOURCES = test-main.c $(UNIT_TESTS)
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test_interactive_CFLAGS = $(CLUTTER_CFLAGS) $(MAINTAINER_CFLAGS)
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test_interactive_CPPFLAGS = \
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-DTESTS_DATADIR=\""$(abs_top_srcdir)/tests/data"\" \
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-DG_DISABLE_SINGLE_INCLUDES \
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-DCOGL_DISABLE_DEPRECATED \
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-DCLUTTER_DISABLE_DEPRECATED
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test_interactive_LDFLAGS = -export-dynamic
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test_interactive_LDADD = $(CLUTTER_LIBS) $(common_ldadd)
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EXTRA_DIST = wrapper.sh.in
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DISTCLEANFILES = wrapper.sh .gitignore
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BUILT_SOURCES = wrappers
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clean-local: clean-wrappers
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