Updates NEWS for the 1.9.2 release
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Robert Bragg
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NEWS
98
NEWS
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Cogl 1.9.2 2011-11-23
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• List of changes since Cogl 1.8.0
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» Fix a crash while generating ARBfp code with layers containing a
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NULL texture.
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» Improvements to the mingw-fetch-dependencies script to work
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without first needing to find a copy of config.guess.
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» Translation updates.
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» Ported more conformance tests from Clutter to be standalone Cogl tests.
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» Adds experimental support for EXT_discard_framebuffer extension which
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is important for good performance on PowerVR graphics hardware
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» Adds experimental API to enable clipping to the silhouette of an arbitrary
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2D CoglPrimitive
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» Make the CoglTexture2DSliced API directly available as experimental API
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» Adds a new feature checking API that's not limited to just 32 features
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and also must be passed a CoglContext pointer so it's clear at what point
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the features can start to be queried.
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» Adds an experimental CoglMetaTexture interface that gives one simple
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api for mapping meta-textures that aren't directly understood by the GPU
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(such as sliced textures, atlas textures, sub textures) into low level
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textures. This interface also gives us a single place to handle repeat
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mode fallbacks, supporting clamp-to-edge, repeat and mirrored repeat.
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» Make the CoglTextureRectangle API directly available as experimental API
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» Adds experimental support for multisampling, which is where the gpu
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calculates multiple samples per pixel and the final pixel is a weighted
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average of those samples. For example you can expect that multisampling
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with 4 samples per pixel would give similar quality to rendering at double
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the resolution and then scaling that image down with texture filtering, but
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the GPU can often do some tricks such that multisampling is faster than
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doing that manually (known as supersampling)
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» Make the CoglSubTexture API directly available as experimental API
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» Added an n_indices argument to cogl_primitive_set_indices to avoid needing
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to always call cogl_primitive_set_n_vertices() after using the api and
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to make it less error prone to use the api.
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» Ship a standalone cogl-xlib.h that must be included manually for any xlib
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specific api because the Xlib headers so many numerous badly namespaced
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symbols that it's not desireable to include them unless absolutely
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required.
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» Updated the Wayland support to work with the latest upstream interfaces.
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» Add experimental CoglPipeline API for controlling the backface culling.
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» Added a cogl_matrix_transpose() function
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» Add experimental support for setting uniforms on a CoglPipeline. This
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is in preparation for being able to associate snippets of GLSL that hook
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into specific parts of the pipeline. We plan to eventually deprecate
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CoglProgram but even in the meantime we would also recommend setting
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uniforms on the pipeline now instead of the program.
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» Adds experimental cogl_framebuffer_finish() api for explicitly synchonizing
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the GPU with the CPU.
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• List of bugs fixed since Cogl 1.8.0
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https://bugzilla.gnome.org:
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#656755 - Install the examples
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#658700 - Bind the locale domain so that gettext actually works
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#660184 - Running an X client causes a segfault when using software
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rendering
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#660387 - test-color-mask fails due to uninitialized texture data
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#660617 - Porting of clutter tests
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#660986 - memory leak in CoglPipeline::layers_cache
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#661019 - Indices don't seem to work
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#661174 - Remove inclusion of Xlib headers from Cogl headers
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#662184 - Pipeline shaders often fail to link on GLES2 because of different
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n_tex_coord_attribs
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#662542 - The ARBfp and GLSL pipeline backends sometimes don't flush
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uniforms
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#663578 - _COGL_RETURN_IF_FAIL sometimes doesn't use glib
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#663628 - Make the pipeline backface culling experimental public
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Many thanks too:
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Robert Bragg
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Neil Roberts
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Luca Bruno
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Chun-wei Fan
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Jorge González
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Rob Bradford
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Fran Diéguez
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Rico Tzschichholz
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Yaron Shahrabani
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krishnababu k
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Damien Leone
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Daniel Martinez Cucalon
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Daniel Mustieles
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Flemming Christensen
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Gabor Kelemen
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Gil Forcada
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Ivaylo Valkov
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Jasper St. Pierre
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Kjartan Maraas
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Matej Urbančič
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Muhammet Kara
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Nguyễn Thái Ngọc Duy
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Nilamdyuti Goswami
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Seong-ho, Cho
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Simos Xenitellis
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Zan Dobersek
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Cogl 1.8.0 2011-09-19
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Cogl 1.8.0 2011-09-19
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• List of changes since Cogl 1.7.8
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• List of changes since Cogl 1.7.8
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