Release Cogl 1.14.0 (release)
- From: Neil Roberts <neil s roberts intel com>
- To: cogl lists freedesktop org, gnome-announce-list gnome org, clutter-announce clutter-project org
- Subject: Release Cogl 1.14.0 (release)
- Date: Mon, 25 Mar 2013 14:13:24 +0000
Good news, everyone!
A new stable Cogl release (1.14.0) is now available:
LATEST NEWS
-------------------------------------------------------------------------------
Cogl 1.14.0 2013-03-25
• List of changes since Cogl 1.13.4
» New snippet hook location for adding global definitions that can
be shared amongst other snippets.
» Fixed some cases where it's not possible to reference the builtin
cogl_sampler* uniforms from a snippet.
» Fixes for building on Visual Studio.
» Fixed a problem with the workaround for the viewport bug in Mesa
which could leave a broken scissor when switching between
different sized framebuffers.
» Fix some cases where the depth buffer wouldn't get cleared in
cogl_framebuffer_clear*.
» Fix for leaking pipelines and textures when a pipeline is copied
but all of its layer properties are replaced.
» Fix for interleaving snippets with different hook points.
» The Cogland example Wayland compositor has been updated to the
Wayland 1.0 API.
• Bugzilla bugs closed since 1.13.4:
#686770 - _cogl_bitmap_unbind: assertion failed: (bitmap->bound)
for gnome-shell on nexus 7
#694537 - Fails to compile if the EGL stack doesn't implement
KHR_create_context
#694657 - cogl-buffer: Stop warning spam running in sw rendering
Many thanks to:
Chun-wei Fan
Robert Bragg
Gheyret Kenji
Ján Kyselica
Bastien Nocera
Duarte Loreto
Milo Casagrande
Pavol Klačanský
Plamena Manolova
Tomeu Vizoso
FETCHING THE RELEASE
-------------------------------------------------------------------------------
Tarballs can be downloaded from:
http://download.gnome.org/sources/cogl/1.14/
SHA256 Checksum:
7ce7a9246af7fc208f961c2568bae0af8be32be7347b5b6560c65dee587561eb
cogl-1.14.0.tar.bz2
Additionally, a git clone of the source tree:
git clone git://git.gnome.org/cogl
will include a signed 1.14.0 tag which points to a commit named:
232d8dc67c620da57b14dd71cdd8f01ccbb28cae
which can be verified with:
git verify-tag 1.14.0
and can be checked out with a command such as:
git checkout -b build 1.14.0
DESCRIPTION
-------------------------------------------------------------------------------
Cogl is a small open source library for using 3D graphics hardware for
rendering. The API departs from the flat state machine style of OpenGL and is
designed to make it easy to write orthogonal components that can render without
stepping on each others toes.
As well as aiming for a nice API, we think having a single library as opposed
to an API specification like OpenGL has a few advantages too; like being
able to paper over the inconsistencies/bugs of different OpenGL
implementations in a centralized place, not to mention the myriad of OpenGL
extensions. It also means we are in a better position to provide utility
APIs that help software developers since they only need to be implemented
once and there is no risk of inconsistency between implementations.
Having other backends, besides OpenGL, such as drm, Gallium or D3D are
options we are interested in for the future.
REQUIREMENTS
-------------------------------------------------------------------------------
Cogl currently only requires:
• GLib ≥ 2.32.0
• OpenGL ≥ 1.3 (or 1.2 + multitexturing), or OpenGL ES 2.0 (or 1.1)
• GLX, AGL, WGL or an EGL implementation
Cogl also has optional dependencies:
• GDK-Pixbuf ≥ 2.0
- for image loading
• Cairo ≥ 1.10
- for debugging texture atlasing (debug builds only)
The optional Cogl Pango library requires:
• Cairo ≥ 1.10
• PangoCairo ≥ 1.20
On X11, Cogl depends on the following extensions
• XComposite ≥ 0.4
• XDamage
• XExt
• XFixes ≥ 3
For the Wayland backend, Cogl requires:
• Wayland ≥ 1.0.0
When running with OpenGL, Cogl requires at least version 1.3
or 1.2 with the multitexturing extension. However to build Cogl
you will need the latest GL headers which can be obtained from:
http://www.khronos.org
If you are building the API reference you will also need:
• GTK-Doc ≥ 1.13
If you are building the additional documentation you will also need:
• xsltproc
• jw (optional, for generating PDFs)
If you are building the Introspection data you will also need:
• GObject-Introspection ≥ 0.9.5
GObject-Introspection is available from:
git://git.gnome.org/gobject-introspection
If you want support for profiling Cogl you will also need:
• UProf ≥ 0.3
UProf is available from:
git://github.com/rib/UProf.git
DOCUMENTATION
-------------------------------------------------------------------------------
The 1.x stable API is documented here:
http://developer.gnome.org/cogl/stable/
The 1.x development API is documented here:
http://developer.gnome.org/cogl/1.14
The experimental 2.0 API is currently not hosted online but can be built
by passing the --enable-gtk-doc option to ./configure when building.
RELEASE NOTES
-------------------------------------------------------------------------------
- This Cogl release exports a 1.x API (For third-party Clutter
developers to write custom actors) and an experimental 2.0 API which
allows standalone application development.
- Internally Clutter depends on the Cogl 2.0 experimental API so we
maintain runtime compatibility between the 1.x API and experimental
2.0 APIs, which means developers can mix-and-match their use of the
APIs in the same process. API selection is done per-file by
including a line like: '#define COGL_ENABLE_EXPERIMENTAL_2_0_API'
before including cogl.h or clutter.h.
- We recommend using the 2.0 API if you don't mind updating your code
once in a while as this API evolves and stabilizes. We promise not
to break the 2.0 API during a 1.x stable cycle and hope that will
encourage people to experiment with it and give critical feedback!
For example after releasing 1.8, the 2.0 API will be stable for
1.8.1, 1.8.2, 1.8.3 etc, but may update for 1.9/1.10.
- Because we export the 1.x and 2.0 APIs from one libcogl.so the
library versioning, and thus ABI, can only be considered as stable
as our 2.0 API - i.e. during a stable release 1.x cycle.
- Please report bugs using the Cogl Bugzilla product, at:
http://bugzilla.gnome.org/enter_bug.cgi?product=cogl
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