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mutter-performance-source/NEWS
Emmanuele Bassi e581aa63d0 Release 0.8.2
2008-09-25 14:25:11 +00:00

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Clutter 0.8.2 (xx/09/2008)
===============================================================================
* List of changes between 0.8.0 and 0.8.2
o Add constructor-only properties for the :container and :actor
properties of ClutterChildMeta
o Resync the Clutter keysyms with X.org ones.
o Documentation fixes and improvements
o Allow defining ClutterColor as an object or an array inside
ClutterScript UI definitions
o Added the missing :perspective property to ClutterStage
o Fixed the upper and lower boundaries for ClutterUnit and
ClutterFixed properties
o Fix a bug that prevented disabling sorting on ClutterModel
o Fix a bug in clutter_timeline_list_markers()
o Queue a redraw when the clip is changed
o Optimize calls to push and pop the matrix when painting
o Add a variable to the pkgconfig file for extracting the
COGL backend, for configure-time checks
o Fix a typo in cogl_path_rel_curve_to()
o Fix showing the cursor after it being hidden once
o Add a function for obtaining Clutter's option group without
initializing Clutter
* List of bugs fixed since 0.8.0
o #856 - Teardown sequence is borked
o #945 - Clipping+fbo cloning bugs
o #1010 - ClutterLabel does not update the layout (again)
o #1020 - TFP resyncing on MapNotify/ConfigureNotify [Andy Wingo]
o #1033 - Manually parsing command line options prevents
initializing clutter
o #1034 - Picking doesn't work on Eee PC
o #1038 - Clutter 0.8 won't build due to redefined functions
o #1044 - cogl_get_viewport error
o #1047 - API documentation from release tarball is not
installed by "make install" [Mirco Müller]
o #1048 - SIGFPE in cogl_texture_set_region() with
nvidia [Gwenole Beauchesne]
o #1062 - clutter_actor_query_coords() replacement in
0.8 [Gwenole Beauchesne]
o #1069 - Warnings with ClutterScore
o #1071 - clutter_timeline_get_duration doesn't always work
o #1075 - Difficult to bind clutter_stage_new
o #1080 - clutter_stage_read_pixels has upside-down y coordinate
o #1082 - Texture bitmap is destroyed in wrong way
o #1085 - Cursor is in wrong position on ClutterEntry if set
x-align property
o #1090 - Label somtimes returns natural_width < min_width [Johan Bilien]
o #1091 - WM_MOUSEWHEEL (scroll-event) not handled
correctly [Roman Yazmin]
o #1099 - No ClutterScript API to get a list of IDs in a given
file [Noah Gibbs]
o #1100 - WM_SIZE not handled correctly, user_resize and
window_style correction
o #1103 - Two typos in clutter documentation
o #1121 - Setting anchor point doesn't work if set too early
o #1124 - Clutter causes an additional size request in each
allocation [Johan Bilien]
o #1125 - Save an extra pango_layout_get_size in many
cases [Johan Bilien]
o #1130 - CLUTTER_MOTION is not emitted when time goes
backwards. [Pierce Liu]
o #1137 - Setting the anchor point does not trigger a re-paint
o #1145 - Flicker on resize the window
o #1154 - clutter_timeout_pool_new() documentation doesn't say
how to free [Murray Cumming]
Clutter 0.8.0 (10/07/2008)
===============================================================================
* List of changes between 0.7.6 and 0.8.0
o Assume that non-power-of-two sized textures are always supported
if texture-from-pixmap support is present.
o Increase documentation coverage.
o Disable the XINPUT support by default.
o Improve the behaviour of clutter_actor_get_transformed_size().
o Fix a copy-and-paste bug which broke the vertex shaders.
* List of bugs fixed since 0.7.6
o #983 - cogl-bitmap-fallback.c compiler error/warning due to cast issue
o #985 - MSC math.h / M_PI issue
o #998 - clutter always captures X input events
o #1000 - clutter-x11 should define gtypes for its enumerations
o #1004 - Fix "edge-detect" shader
o #1007 - Fix TFP fallback mechanism
o #1008 - tfp still a bit borked
o #1010 - ClutterLabel does not update the layout
o #1011 - Fix TFP fallback mechanism (take 2)
o #1012 - clutter_stage_read_pixels() has incorrect alpha data
on some (most?) cards"
o #1013 - Per device grabs are not obeyed in pointer device propagation.
o #1015 - Cloning unparented actors with FBOs doesn't work with new
layout code
o #1016 - Changing window-redirect-automatic property after creating
ClutterX11TexturePixmap doesn't work
o #1019 - clutter-frame-source.h not included by clutter.h
o #1022 - extern inline functions in clutter-fixed.h
o #1033 - Manually parsing command line options prevents initializing
Clutter
Clutter 0.7.6 (27/06/2008)
===============================================================================
* List of changes between 0.7.4 and 0.7.6
o Removed the ClutterBackend::get_display_size() and wrappers.
o Verify that the vertex shaders are successfully compiled when binding
them.
o Increase safety of the ClutterGLXTexturePixmap
* List of bugs fixed since 0.7.4
o #993 - Underline colors are sometimes wrong
Clutter 0.7.4 (25/06/2008), "Killer Koi"
===============================================================================
* List of changes between 0.7.2 and 0.7.4
o Fix the ClutterEntry actor after the clip API changes in COGL.
o Update the shaders generated for GLES 2.0.
o Add the ability to add search paths and look up files from
ClutterScript. This allows defining directories to store the
images to be loaded by a ClutterTexture.
o Fix the GLES 1.1 support.
o Warn if no usable pointer device are available on X11 backends.
o Improve the request for the best pixel format on win32.
o Fix a regression when sizing the ClutterStage on backends that
only support fixed size stages; now setting any size will result
in Clutter ignoring the request, like it happened in Clutter 0.6.
o Add a method to ClutterBackend to retrieve the display size.
o Fix clutter_sinx() for angles > CFX_2PI - CFX_ONE.
* List of bugs fixed
o #833 - ClutterEntry should clip glyphs rather than itself
o #858 - Support for multiple devices (using XINPUT)
o #879 - sampler2DRect used by test-shader.c doen't work with non-rect textures
o #979 - Wrong call convension for SwapIntervalProc in win32 backend
o #987 - clutter-event.c c99 variable declaration
o #988 - cursor position wrong with multibyte invisible char
o #989 - Add a search path for clutter script assets
Clutter 0.7.2 (23/06/2008), "Kedoke"
===============================================================================
* List of changes between 0.7.0 and 0.7.2
o ClutterTexture has a new :keep-aspect-ratio property; when it is set
to TRUE the texture will return a preferred width maintaining the
aspect ratio with the given height and a preferred height maintaining
the aspect ratio with the given width. This allows to set the width or
the height and have the texture automatically request the height or the
width respectively while maintaining the aspect ratio of the original
image.
o Added XINPUT support on the X11 backends; this provides an initial
support for multiple input devices. The API is X11-specific, and
provides support for querying at run-time support for XINPUT, for
getting a list of input devices and for getting the type of each
input device.
o The 'fruity' backend also features multiple device support.
* List of bugs fixed
o #816 - clutter_actor_request_coords() should take a const box.
o #836 - Optimize clutter_label_query_coords()
o #905 - Paint cursor directly
o #918 - Group doesn't clip if it's children are clipped
o #953 - Actors are not hidden before unrealized or disposed
o #960 - PangoContext creation code should not be duplicated
o #970 - clutter_actor_get_paint_area confusion
o #971 - Minor ClutterActor cleanups
o #972 - Better parenting
o #973 - unreffing ClutterScore may segfault
o #981 - clutter_stage_read_pixels temprow fix
o #982 - __COGL_GET_CONTEXT MS compiler issue
o #984 - pango_clutter_render_layout() declared void
Clutter 0.7.0 (13/06/2008), "Booska"
===============================================================================
* List of changes between 0.6 and 0.7.0
o COGL, the underlying GL abstraction layer in Clutter, has been
completely rewritten from the ground up. Its no longer a conceptual
hack but a documented, fully featured library pretty much in its
own right. COGL abstracts over Open GL, Open GL ES 1.1 and now
OpenGL ES 2.0, providing a smart uniform API over these libraries
with various utility features such as texture tiling abstractions,
paths and primitive rendering, FBO, shaders, etc.
o Clutter now provides an experimental backend for the Apple(tm)
iPhone and iPod Touch families of products.
o The Windows platform is now natively supported instead of
relying on the SDL libraries. The win32 backend is still
experimental.
o The X11 based backends now feature support for Actors that wrap
external X drawables (i.e the texture-from-pixmap extension and
fallbacks)
o Clutter now seamlessly supports multiple stages on the backends
that allow this feature.
o The custom Pango renderer has been completely rewritten, now using
the more modern and maintained PangoCairo (instead of FT2), and avoids
nasty subclassing hacks, supports smooth fast scaling of text, has
many edge case issues fixed and it still is very efficient (using
a texture glyph cache). It is even a little bit faster.
o Better texture support, timeline improvements, ClutterLabel and
ClutterEntry improvements, and container child properties are among
the new features - too many to fit in the NEWS file.
* List of bug fixes
o #358 - "window resizing doesn't show scaled stage"
o #425 - "COGL enhancements"
o #439 - "timing related pong lockup due to timeline_rewind somtimes
being ignored by timeline_timeout_func"
o #450 - "ClutterScore API enhancements"
o #641 - "add markers to timelines"
o #666 - "Large font size leads to missing ""W"" and wrong ""J"" character"
o #713 - "texture from pixmap"
o #791 - "default actors to visible"
o #800 - "CLUTTER_ALPHA_EXP_INC overflows"
o #804 - "clutter_actor_get_opacity returns composited alpha"
o #810 - "100 % CPU load with clutter_main()"
o #815 - "Split up request
o #816 - "clutter_actor_request_coords() should take a const box."
o #822 - "Fix clutter_actor_lower()"
o #823 - "Clean-up GLism's in clutter-core (below cogl)"
o #824 - "ClutterEntry should handle its own key events"
o #825 - "Removes GLisms from clutter-main.c"
o #831 - "configure.ac missing osx flavour help"
o #834 - "add ability to set anchor in json"
o #836 - "Optimize clutter_label_query_coords()"
o #839 - "Crash if put cursor over topmost pixel"
o #840 - "Implement prepare-paint and finish-paint signals."
o #848 - "Events dispatch doesn't work in GLX Xephyr"
o #850 - "Impossible to set ClutterRectangle border opacity to a value
different from the surface opacity"
o #857 - "cogl_color doesn't work in PowerVR PC Viewer"
o #860 - "ClutterAlpha leaks"
o #864 - "Allow instantiating and subclassing of ClutterStage"
o #871 - "Two problems with closing stages"
o #873 - "clutter_x11/glx_texture_pixmap issues"
o #874 - "Clipping on GL ES"
o #875 - "Clutter Label Issues"
o #881 - "Timelines require precise system timing"
o #882 - "Allow child properties for containers implementing the
ClutterContainer interface"
o #884 - "Add clutter_alpha_set_closure"
o #889 - "Error when building clutter-ivan with eglx"
o #891 - "assertion failed when test-behave exits"
o #892 - "Incorrect results using rotation-[center|angle] properties"
o #894 - "Artifacts with the pango renderer"
o #900 - "clutter_actor_lower() and friends do not queue redraw"
o #906 - "Implement timing of the events"
o #908 - "Support transform from G_TYPE_INT to ClutterUnit"
o #909 - "OSX: missing NULL pointer handling"
o #910 - "OSX: missing memory pool"
o #911 - "OSX: add multistage support"
o #912 - "Invalid use of int* as parameter for glGetIntegerv"
o #913 - "cogl fails to build on OSX"
o #914 - "ClutterEntry is confused about characters vs. bytes"
o #915 - "clutter_entry_set_max_length(-1) misbehaves"
o #916 - "ClutterKeyEvent:unicode_value is ignored"
o #919 - "Replacement pango renderer"
o #927 - "Created ports for clutter
o #928 - "Reparenting a child that itself is a container doesn't work"
o #930 - "add support for quartz imagebackend"
o #931 - "suspicious size allocation for pixel data"
o #933 - ""X Error of failed request" when attempting to call
clutter_actor_request_coords()"
o #934 - "Update clutter-tutorial to build with clutter from svn trunk."
o #947 - "Destroying a stage is messy"
o #948 - "Remove texture rectangle support"
o #950 - "AltGr not handled"
o #951 - "Fix clutter_entry_init() in trunk"
o #952 - "Fix test-textures in trunk"
o #953 - "Actors are not hidden before unrealized or disposed"
o #955 - "ClutterLabel is missing fallback resolution handling"
o #959 - "Multiple minor improvements"
o #960 - "PangoContext creation code should not be duplicated"
o #961 - "Fails to build on OSX (query/request_coords is gone)"
o #964 - """unrealized"" signal of ClutterActor wrongly named"
Clutter 0.6.0 (18/02/2008)
==========================
* List of changes between 0.5.6 and 0.6.0
o New documentation sections inside the API reference, describing
the animation framework.
o New API in ClutterActor for computing the actor's vertices in
the plane of a given ancestor and accessors to query whether an
actor is scaled or rotated
* List of bug fixed
o #613 - Extend point transformation API
o #779 - Rounding error in ClutterBehaviourScale [Havoc Pennington]
o #787 - tiled textures are broken
o #796 - segmentation fault when setting label text
Clutter 0.5.6 (11/02/2008)
==========================
* List of changes between 0.5.4 and 0.5.6
o Reverted a last minute change in the depth sorting function of
ClutterGroup.
o Added the clutter_actor_move_anchor_point() family of functions,
which will set the anchor point at the given coordinates while
adjusting the actor postion so that the relative position of the
actor toward its parent remains the same.
o Provide a fallback for finding the Clutter alpha functions inside
a UI definition for ClutterScript in case g_module_open() fails.
o Add initial Frame Buffer Objects support in ClutterTexture; using
FBOs, where supported by the hardware and drivers, it's possible to
create a ClutterTexture from any actor.
* List of bugs fixed
o #386 - Stage is white unless a timeline is present
o #439 - timing related pong lockup due to timeline rewind...
o #440 - 1 pixel line flickering
o #442 - Shader support
o #451 - Improve font rendering quality (Pango)
o #452 - Textures are shown with distortion on Solaris/SPARC
o #526 - OSX backend
o #533 - Clutter stage is not shown under some conditions
o #540 - ClutterStage isn't always respecting requests to change size
o #549 - Backend offscreen API is broken
o #613 - Extend point transformation API
o #635 - Fix buffer overflow in clutter_texture_get_pixbuf() [Gwenole
Beauchesne]
o #643 - Superfluous "filter-quality" setting in texture_upload_data()?
[Gwenole Beauchesne]
o #689 - Rotating actor through layers does not handle opacity
correctly [Josh Stewart]
o #710 - Make "box-blur" test shader work in some way [Gwenole Beauchesne]
o #719 - X11 backend does not check window field in events [Havoc
Pennington]
o #724 - ClutterLabel reports wrong height when lines > 1
o #749 - "reactive" property does not change
o #751 - missing XSync in clutter-event-x11.c:xembed_set_info() [Havoc
Pennington]
o #756 - clutter_actor_get_abs_size returns bogus values
o #769 - OSX backend fails to build
o #770 - OSX: passing incompatible pointer type
Clutter 0.5.4 (25/01/2008)
==========================
* List of changes between 0.5.2 and 0.5.4
o A clutter-x11-<major>.<minor> pkg-config file is installed along
with the clutter-<major>.<minor> and clutter-<backend>-<major>.<minor>
ones, for libraries and applications depending on the X11-based
backends (GLX and EGLX).
o Textures are correctly unrealized before changing and freeing the
main GL context.
o It is now possible to block the automatic call to clutter_main_quit()
when closing the stage window using the frame controls by connecting
an handler for the ::event signal on the Clutter stage and checking
for the CLUTTER_DELETE event type and returning TRUE. This allows
the usage of other main loops with GLib reactors (like Python's twisted)
with Clutter without triggering assertions by closing the stage window.
* List of bugs fixed
o #564 - Add more precise clutter_qdivx() [Gwenole Beauchesne]
o #614 - ClutterActor API inconsistencies
o #640 - ClutterTexture unrealized with no GL context
o #654 - Under heavy load clutter sometimes drops the last frame of
a timeline [Johan Bilien]
o #672 - Event handling in osx backend is broken [Tommi Komulainen]
o #684 - Improve test-scale by also using anchor point [Jaap A. Haitsma]
o #695 - clutter-shader: Invalid format string for
gssize [Tommi Komulainen]
o #696 - cogl_get_proc_address requires GLX [Tommi Komulainen]
o #709 - clutter_effect_scale inconsistent with clutter_actor_set_scale
o #714 - clutter_event_copy for enter/leave event generates
extra unref [Neil Roberts]
o #715 - Type errors in test-shader
o #720 - BehaviourScale not working in python after recent
API change [Josh Stewart]
Clutter 0.5.2 (14/01/2008)
==========================
* List of changes between 0.5.0 and 0.5.2
o ClutterModelDefault has been renamed to ClutterListModel
o ClutterModel now has vector-based variants for append, prepend and
insert methods; these methods are useful for bindings
o Add units-based variant for clutter_actor_move_by()
* List of bugs fixed
o #694 - Handle GLhandleARB on OS X [Tommi Komulainen]
o #700 - Fix for clutter_effect_rotate() [Neil Roberts]
Clutter 0.5.0 (02/01/2008)
==========================
* List of changes between 0.4.2 and 0.5.0
o New event handling system: every actor with the CLUTTER_ACTOR_REACTIVE
flag set will receive events from the underlying backend; the event
propagation chain will be walked in two directions (from the actor to
the top-level container and back) with the ability to block it in
both phases.
o ClutterShader, an abstraction over the programmable OpenGL pipeline.
o ClutterScore, an object for controlling timelines; using a score
instance is possible to start multiple timelines at once, or start
a timeline after another has emitted the ::complete signal.
o ClutterScript, an object for parsing a scene from an external file or
a buffer; the scene is described using JSON (JavaScript Object Notation):
every object is defined using its class and properties, and container
objects can have their children defined as well. It is also possible
do describe top-level objects such as timelines and behaviours, and to
automatically connect signal handlers to signal names.
o ClutterTimelines duration can now be set in milliseconds using the
:duration property; the default framerate will be used to compute the
actual duration in frames. The default framerate will be set by the
backend, and can be overridden by the application.
o ClutterTimelines direction can now be set using the :direction
property; a timeline can be set to proceed forward or backward,
and the direction can also be change while the timeline is still
running.
o New, experimental OSX backend.
o Build environment for MS VisualStudio 2005.
o ClutterModel, a generic list-based model object that can be used to
implement actors following the Model-Viewer-Controller design pattern.
Clutter provides a default implementation of ClutterModel, called
ClutterModelDefault and using the GSequence data structure from GLib
to optimize insertion and look up.
o Add the ability to grab pointer and keyboard events: if an actor
is set to have a grab it'll be the only one receiving events until
it releases the grab.
o Add the ability for an actor to receive the key focus; an actor
with key focus will always receive the key events, even if it did
not acquire the keyboard grab.
o It is now possible to set the GL "fog" (also known as "depth cueing")
effect on the ClutterStage; if the fog is enabled, actors farther
away from the view point will fade into the stage background color.
o Each actor now has an "anchor point", a point defined in the actor's
coordinate space that will be used as the origin when scaling and
rotation transformations.
o Every pixel-based API has been doubled with a corresponding
ClutterUnits-based function (postfixed with a '-u'), for instance:
clutter_actor_set_position() - clutter_actor_set_positionu()
clutter_actor_set_size() - clutter_actor_set_sizeu()
clutter_actor_set_depth() - clutter_actor_set_depthu()
This allows sub-pixel precision and device independence.
o The ClutterLabel actor now tries very hard to provide a sane
default size, if no bounding box has been requested; this fixes
the :alignment property and allows the addition of the :justify
property.
o The SDL backend can now be compiled under win32 with MingW; this
backend is still marked as experimental.
o The OSX backend allows the compilation of Clutter under OS X; this
backend is experimental.
* List of bugs fixed
o #423 - All actors should emit events rather than just the stage
o #424 - Interface definition files
o #443 - ClutterModel implementation
o #480 - Uninitialized variable in
path_alpha_to_position() [Gwenole Beauchesne]
o #511 - clutter_stage_get_actor_at_pos problem
o #512 - clutter window moves when stage actor is scaled
o #518 - XEMBED not supported in eglx backend
o #519 - Should have an Atom cache initialized on start up
o #520 - Delete after multibyte unicode chars in
ClutterEntry [Tommi Komulainen]
o #522 - Array out of bounds indexing [Tommi Komulainen]
o #523 - cogl portability fixes [Tommi Komulainen]
o #524 - missing config.h includes [Tommi Komulainen]
o #525 - Redundant include in cogl/gl [Tommi Komulainen]
o #531 - Extraneous "new-frame" signal generated
o #532 - clutter_actor_set_scale_with_gravityx()
precision [Gwenole Beauchesne]
o #544 - clutter_color_to_hlsx is broken [Neil Roberts]
o #546 - ClutterStageState doesn't make sense
o #550 - Wanted: Set Actor's position based on center or other
edges/corners of quadrangle
o #557 - ClutterScript should support complex properties for third
party classes
o #558 - Unmerge UI definitions
o #566 - ClutterEntry does not scroll the text to the
right [Gwenole Beauchesne]
o #577 - Inconsistent naming of behaviour properties
o #580 - Fix call to cogl_enable() [Gwenole Beauchesne]
o #582 - api naming inconsistence between
clutter_behaviour_path_append_knots and
clutter_behaviour_bspline_append
o #584 - Typo on clutter_effect_rotate_x documentation page
o #592 - Fix build on trunk [Gwenole Beauchesne]
o #596 - ClutterTexture tileing logic is a little borked
o #597 - ClutterGroups not pickable
o #600 - fix ClutterLabel layout computing when no box has been set
o #604 - Color param for Label constructor should be
const [Jonathon Jongsma]
o #606 - enable depth test in GL
o #608 - Control motion events frequency
o #614 - ClutterActor API inconsistencies
o #616 - ClutterTexture doesn't respect width set from clutterscript
o #617 - ClutterEffect Improvements
o #618 - ClutterScript name/id confusion
o #619 - clutter_behavior_rotate angle properties should accept
negative values
o #628 - clutter_actor_rotate_x() is a setter, not a modifier
o #629 - There is no clutter_actor_get_position()
o #634 - clutter_behaviour_path_new() documentation unclear
o #637 - add depth cueing support to the stage
o #645 - Fix crash in clutter_label_new_full() [Gwenole Beauchesne]
o #647 - Cannot hide the stage
o #648 - Hidden fullscreen stage doesn't come back as fullscreen
o #652 - reference needed on actor being source of last motion_event
o #661 - clutter_actor_set_width() documentation is vague
o #662 - clutter_actor_set_opacity() documentation doesn't describe values
o #665 - ClutterBehaviourEllipse tilts are broken
o #670 - Fix clutter_container_lower_child() [Gwenole Beauchesne]
o #673 - ClutterActor "captured-events" signal documentation wrong
o #674 - ClutterActor::get_depth() and set_depth() vfuncs not
used [Murray Cumming]
o #675 - update subregions of cluttertextures
o #678 - ClutterLabel size allocation still bogus
Clutter 0.4.0 (07/08/2007)
========================
* List of changes between 0.3.1 and 0.4.0
o Many documentation additions and improvements.
o Display DPI now honours on backends its can be queried.
o Various big endian related fixes.
o ClutterBehaviourEllipse and ClutterBehaviourRotate API and
internals improvements.
o Add basic tslib support to eglnative backend (for touchscreen events)
o clutter_stage_get_actor_at_pos should now work on 16bpp displays.
o New ClutterEffect rotation calls.
o Allowing user resizing of the stage now optional.
(implemented by glx backend only currently)
o ClutterEntry UTF8 fixes and improved automatic initial sizing.
o Make ClutterActor GInitiallyUnowned.
o New ClutterBox API: each box has now a colour and a margin (distance
between the inner-border and the children); plus, each packed child
has a padding. Margins and paddings are expressed in ClutterUnits,
to ease the transition to the device independent units. You can use
clutter_box_set_default_padding() if you want the same padding for
each child.
* List of bug fixed
o #390 - clutter_stage_get_actor_at_pos broken on 16bpp displays.
o #398 - inconsistent type for return value of clutter_event_get_state
o #403 - Critical error when removing texture actor
o #404 - Solaris build error with OpenGL, missing
GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB and GL_TEXTURE_RECTANGLE_ARB
o #409 - depth mismatch between visual (32) and window (24)
o #407 - metadata-available signal #ifdef'ed out
o #413 - Clutter compile error with Sun Studio C compiler
o #426 - typo in sdl_backend
o #414 - ClutterEntry invisible if size not set
o #434 - clutter_color_from_pixel incorrectly interprets alpha value
o #435 - clutter_color_subtract does the opposite of its documentation
o #436 - clutter-behaviour-depth always perform "from deep to shallow"
Clutter 0.3.1 (06/07/2007)
========================
* List of changes between 0.3 and 0.3.1
o EGL. There are now 2 experimental EGL backends;
- 'eglx', the former EGL on X11 implementation (now renamed)
- 'eglnative', a new EGL 'native' backend which supporting non
X11 EGL implementations (i.e framebuffer).
o ClutterGroup now returns correct size when a child is removed.
o Missing redhand.png added to distro tarball (fixing tests that require
it)
o Fix picking in ClutterBox
o Rectangle border creation fixed.
o Fix overflow in Exponential Alpha funcs.
o Many API documentation fixes and improvements.
o ClutterEffect cleanups.
o ClutterEntry cleanups.
o Check for versioned XFixes library (GLX backend).
o More X error traps in GLX backend.
Clutter 0.3 (29/06/2007)
========================
* List of changes between 0.2.3 and 0.3
o Clutter now supports both switchable windowing system and GL backends.
Window systems supported include GLX, EGL and SDL.
GL support includes OpenGL 1.2+ and OpenGL ES 1.1. This is
provided by a small basic abstraction layer 'cogl.h'. Cogl is not
yet documented - usage external to Clutter is not yet advised.
Backends may provide specific command line options.
Notes;
GLX
---
The GLX backend is built by default and is currently the most
developed, supported and featured windowing system backend. Only
OpenGL is supported via GLX.
SDL
---
Clutter has experimental support for using SDL. Open GL is supported as
is OpenGL ES via Dogles (very experimental).
EGL
---
Clutter has experimental support for using EGL. Only Open GL ES
is supported by EGL.
EGL support assumes an EGL implementation running atop X Windows.
Open GL ES.
-----------
Clutter now has experimental support for Open GL ES.
Current known issues;
+ Unrealising a ClutterTexture will not move pixel data from video
into system memory but simply destroy it.
+ BGRA, YUV Texture data not currently supported.
(Use the clutter_feature API to probe for above at runtime)
Open Source ES implementations this has been tested against
include `Vincent' and `dgles'. Support for commerical
implementations may require modifications to the configure.ac
script.
vincent: http://ogl-es.sourceforge.net/
(Also see: http://svn.o-hand.com/repos/misc/trunk/ogles/ )
dgles: http://developer.hybrid.fi/dgles/index.html
o New ClutterEffect class provides a simplified (and thus less flexible)
API wrapping around behaviours, alphas and timelines.
o New Behaviours - bspline, ellipsis, rotation.
o New built in Alpha functions;
CLUTTER_ALPHA_SINE_INC
CLUTTER_ALPHA_SINE_DEC
CLUTTER_ALPHA_SINE_HALF
CLUTTER_ALPHA_SQUARE
CLUTTER_ALPHA_SMOOTHSTEP_INC
CLUTTER_ALPHA_SMOOTHSTEP_DEC
CLUTTER_ALPHA_EXP_INC
CLUTTER_ALPHA_EXP_DEC
o New Actors and interfaces
+ ClutterLayout, for writing extended layout support in actors
+ ClutterContainer, for generic container actors
+ ClutterBox, ClutterVBox and ClutterHBox layout actors.
+ ClutterEntry, text entry actor
o ClutterTexture now handles BGRA, YUV and premultiplied alpha data.
o All internal math now fixed point based.
o Clutter now has it own internal event queue.
o ClutterStage new features;
+ Title property for naming in window decorations.
+ Perspective setting - The stages perspective can now be modified.
o New Clutter_actor *project API calls allow for querying of tranformed
actor vertices and points.
o New Clutter Feature checks.
o Initial ClutterUnit implementation for device independant positioning.
* List of Bugs fixed
o Various issues with very poor performance and Intel drivers.
o #138 Fix typo in x rotation transform.
Clutter 0.2.3 (2007-04-11)
==========================
* List of changed between 0.2.2 and 0.2.3
o Fixes to tile based textures and again clutter_texture_get_pixbuf(). [Matthew]
o Implement Gravity for ClutterScaleBehaviour. [Matthew, Rob]
Clutter 0.2.2 (2007-03-22)
==========================
* List of changed between 0.2.1 and 0.2.2
o Addition of basic XEMBED support for clutter stage. [Matthew]
o Fixes to clutter_texture_get_pixbuf(). [Matthew]
o Export clutter_group_remove_all and add associated fixes. [Matthew]
Clutter 0.2.1 (2007-02-07)
==========================
* List of changed between 0.2.0 and 0.2.1
o Add even faster double to integer (and back) conversion
functions. [Tomas]
o Fix some errors in the fixed point sine waveform
function. [Tomas]
o Use fixed point math in the Pango renderer. [Tomas]
o Improve the GL version check. [Matthew]
o Add a square waveform function. [Emmanuele]
* List of bugs fixed
o #215 - macro CLUTTER_MARK() not disabled for non-debug builds
Clutter 0.2 (18-01-2007)
========================
* List of changes between 0.2 and 0.1
o Bindings, GStreamer and GTK+ dependencies moved out of tree:
now Clutter strictly depends on Xlibs, OpenGL and GdkPixbuf only.
o Actors now have an initial floating reference; this means you
don't have to explicitely unref them: every memory an actor
allocates will be freed when the group containing the actor will
be destroyed.
o Add basic run-time detection of GL features.
+ Use GL_TEXTURE_RECTANGLE_ARB if available.
+ Attempt to set up sync to vblank (set CLUTTER_VBLANK=none to disable)
o Add API for behaviours. A ClutterBehaviour is an object which
drives a set of actors using one or more properties depending
on the value of an "alpha" function.
+ Provide simple behaviours: ClutterBehaviourOpacity,
ClutterBehaviourPath and ClutterBehaviourScale.
+ Provide simple alpha functions for ramps and sine waveforms.
o Add fixed point API for embedded platforms with no FPU.
o Add support for command line switches to Clutter, like debug
flags and abort on warnings; also allow application to hook up
into the initialisation sequence to add their own command line
switches.
o Add Pango GL renderer for Clutter, and use it to render text
inside the ClutterLabel actor; this decrease texture memory
usage.
o Redo Clutter Label widget, using the new Pango renderer.
o Clutter Textures do not store local pixbuf copy (of texture).
o Redo group and actor scale/sizing API and functionality.
o Add memory management API for ClutterColor, and string parsing.
* List of bug fixed
o #199 - Little group handling fix?
o #198 - Detect NPOT support on more systems
o #197 - Tiled textures are broken
o #196 - Rebuild the examples when the library changes
o #156 - clutter_actor_set_position not using the absolute size
o #155 - Don't test for XInitThreads [Bastien Nocera]
o #154 - Key presses not working in super-oh example [Bastien Nocera]
o #152 - Misc fixes [Bastien Nocera]
o #143 - Faulty ref-counting in clutter_group_remove [Frederic Riss]
o #141 - Copy-pasto in clutter_media_set_volume [Frederic Riss]
o #101 - No package 'x11' found -- wrong configure [Tomasz Torcz]
o #98 - Enabling trails in super-oh crashes
Clutter 0.1 (22/06/2006)
========================
* First 'official' release, expect bugs aplenty.
* Contains:
o Hopefully enough functionality to build things.
o Basic gstreamer 0.10 video playback support.
o Fairly stable API, though in no way totally stable.
Expect CHANGES in future versions.
o Some simple examples ( also see OPT ).
o An experimental GTK-Clutter widget.
o Fairly complete Python bindings.
o Non complete but hopefully useful API documentation.
* If you want to help out see the TODO file.
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