616 lines
25 KiB
Plaintext
616 lines
25 KiB
Plaintext
Cogl 1.9.8 2012-03-05
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• List of changes since Cogl 1.9.6
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» Various Visual Studio build fixes
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» Correctly check for GL_EXT_packed_depth_stencil and support using
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GL_OES_packed_depth_stencil on GLES2
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» Correctly handle pre-multiplied alpha conversions when reading
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back texture data.
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» Added cogl_renderer_{get,set}_driver functions so the underlying
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driver can be chosen programmatically.
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» Revamped the conformance testing framework so that it
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automatically runs every test against GLES2 as well as GL and also
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against all of the pipeline backends and with npot textures
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disabled.
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» Add a conformance test for reading back an RGBA texture as
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alpha-only
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» Added support for converting between all of Cogl's supported pixel
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formats including pre-multiplied alpha conversions.
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» Added conformance tests for converting to and from all of the
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supported formats.
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» Added a public cogl_framebuffer_read_pixels_into_bitmap()
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function which will effective read into a CoglPixelBuffer.
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» CoglPixelBuffer was changed to no longer have associated width,
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height and format information and instead we will rely on
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CoglBitmap to track that informations. The relationship is
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analogous how CoglAttributes relate to CoglAttributeBuffers
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and means for example that a CoglPixelBuffer could now be used
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to hold multiple images.
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» Added public cogl_bitmap_get_{width,height,format,rowstride} api
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» Added a public accessor for the underlying pixel buffer of a
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CoglBitmap.
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» Added various missing cast macros for some buffer objects.
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» Ported the Clutter based test-pixel-buffer test to be standalone.
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• List of bugs fixed since Cogl 1.9.6
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https://bugzilla.gnome.org:
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#666184 - framebuffer: Enable a single depth and stencil buffer for GLES
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#670793 - Don't use cogl_get_draw_framebuffer when flushing pipeline state
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#671016 - INVALID_ENUM errors in gnome-shell
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Many thanks to:
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Neil Roberts
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Chun-wei Fan
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Daniel Korostil
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Martin Srebotnjak
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Matej Urbančič
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Matic Gradišer
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Мирослав Николић
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Cogl 1.9.6 2012-02-21
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• List of changes since Cogl 1.9.4
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» New conformance tests or tests ported from Clutter:
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test-offscreen
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test-primitive
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test-texture-3d
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» New public experimental functions:
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cogl_pipeline_get_layer_texture
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cogl_primitive_copy
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cogl_primitive_foreach_attribute
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cogl_primitive_get_indices
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cogl_pipeline_get_layer_{min,max}_filter
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» Added cogl_kms_renderer_get_kms_fd to get the KMS file descriptor.
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» Bug fixed in the KMS support where it would crash on cleanup if it
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couldn't save the CRTC state.
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» Bug fixed in the Wayland compositor support where it would leak
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EGLImages when creating a texture from a buffer
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» The swap_buffer callback in GLX is now delayed until
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cogl_poll_dispatch is called so that apps can handle it more
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predictably.
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» Fixes for bugs with pipelines that are trying to use a layer with
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a NULL texture.
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» New cogl_framebuffer_* API for drawing directly to the framebuffer
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without having to push the framebuffer. Ideally we want to move
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towards this style of API in future with no global stacks.
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» Most of the _EXP suffixes have been removed from the experimental
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API symbols in the hope that the gtk-doc unstable annotation will
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be enough to distinguish these.
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» Add a COGL_DEBUG=winsys option
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» CoglBuffer and CoglPrimitive now take an explicit CoglContext
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argument in their constructor. We want to move towards getting rid
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of the global context.
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» Updates to the MSVC build support.
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» Add cogl_pipeline_set_layer_null_texture(). This can be used for
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base pipelines instead of having to create a dummy texture.
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» Fix some bugs where Cogl was assuming there is a direct mapping
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between the pipeline layer number and the GL texture unit number.
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» In snippets, there are now always builtin sampler uniforms for
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every layer of the pipeline. This makes it easier to write GLSL
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that samples arbitrary units.
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» The texture lookup snippet hook now gets passed the sampler for
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the unit. The snippet can use this to sample the texture multiple
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times.
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» Some public constants for CoglPixelFormat have been removed
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(COGL_UNPREMULT_MASK, COGL_UNORDERED_MASK and
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COGL_PIXEL_FORMAT_{24,32}).
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» 30-bit pixel formats added.
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» COGL_DEBUG=wireframes now correctly renders primitives using
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vertex shader snippets.
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» cogl_framebuffer_swap_buffers and friends have been renamed to
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cogl_onscreen_swap_buffers.
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» If the experimental 2.0 API is requested, as far as possible the
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headers for the 1.0 API are no longer included. Define
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COGL_ENABLE_EXPERIMENTAL_API instead if you want to mix both APIs.
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• List of bugs fixed since Cogl 1.9.4
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https://bugzilla.gnome.org:
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#660188 - Color corruption with software rendering at 30-bit color depth
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#668385 - Missing G_END_DECLS in cogl-poll.h
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#668856 - Do not look for GLES2-only GLSL prototypes on GL
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#668913 - The journal for an offscreen doesn't get flushed when
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cogl_texture_get_data is called
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#669368 - Reading back texture fails with ‘Invalid operation’ + wrong image
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#669785 - Build fixes for COGL master (1.9.x)
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• Note the following conformance tests are currently failing with
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the GLES2 driver but they were also failing in 1.9.4:
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test_cogl_depth_test, test_cogl_sub_texture, test_cogl_texture_3d
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Many thanks to:
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Robert Bragg
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Chun-wei Fan
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Damien Leone
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Emmanuele Bassi
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Jasper St. Pierre
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Chao-Hsiung Liao
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Gheyret Kenji
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Ihar Hrachyshka
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Kasia Bondarava
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Kenneth Nielsen
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Kjartan Maraas
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Ryan Lortie
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Cogl 1.9.4 2012-01-16
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• List of changes since Cogl 1.9.2
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» Visual Studio 2008/2010 project files have landed and are being actively
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maintained by Chun-wei Fan <fanchunwei@src.gnome.org>
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» A basic KMS (Kernel Mode Setting) backend was added so we can run fullscreen
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Cogl applications without X11 on Linux.
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» EGL platforms can now be selected at runtime. Although we've had the ability
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select backends at runtime for a while, up until now all EGL platforms were
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part of one monolithic backend and were mutually exclusive so a platform
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had to be chosen at build time.
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» cogl_matrix_orthographic() was added as a replacement for cogl_matrix_ortho()
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since the OpenGL style of arguments for cogl_matrix_ortho() wasn't consistent
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with the rest of the Cogl API.
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» Experimental cogl_framebuffer_ apis were added for manipulating the
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per-framebuffer modelview matrix stack. The aim is for these to replace
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apis like cogl_rotate/translate/scale because those apis aren't explicitly
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related to a CoglContext which we'd like to avoid so we can remove the
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need for a global CoglContext.
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» Experimental cogl_framebuffer apis were added for manipulating the
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per-framebuffer clip stacks.
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» The internal _cogl_framebuffer_flush_state() function was optimized to do
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a better job of bailing out when no framebuffer state has changed, and
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when state has changed the cost should now scale by the number of changes
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made instead of scaling by the total range of framebuffer state that Cogl
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tracks.
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» Internally we finally removed _cogl_enable() which won't mean much to most
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people but makes the maintainers happy. This happened as part of a rework
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for how attribute state is flushed when drawing which fixed some problems
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with supporting custom attributes and should improve the performance of
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flushing attributes too.
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» We added an experimental CoglSnippets api aiming to greatly simplify how
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developers can incorporate snippets of GLSL code into the pipeline. This is
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a feature that has been on the drawing board for a long time so we're
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really happy that it's finally here.
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*** We'd really love to see people start to play with the snippets API and
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tell us how they get on. The plan is for this API to replace all need for
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developers to use the CoglProgram and CoglShader apis which are rather poor
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copies of the OpenGL APIs for using GLSL which don't map well to Cogl's
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design. ***
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» We've updated Cogl's client side Wayland support
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» We've updated Cogl's compositor side Wayland support, including updating the
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example cogland compositor.
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» We added an SDL window system backend for Cogl, which provides a simple,
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portable way to play with Cogl as a standalone graphics API with basic
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support for input events available from SDL. See examples/cogl-sdl-hello
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to see how that works.
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» We added mainloop integration support to Cogl. Since we want to have the
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ability to use poll() to block for events from some drivers we have introduced
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apis that all Cogl applications are required to use to integrate Cogl
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into their mainloop. For applications using a glib mainloop we've provided
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a GSource for convenience.
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• List of bugs fixed since Cogl 1.9.2
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https://bugzilla.gnome.org:
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#650020 - Visual C++ 2008/2010 Project files to compile Cogl and Cogl-Pango
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#665190 - The conformance test wrapper scripts don't return an exit code
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#665604 - Cogl needs to bind the framebuffer before calling eglSwapBuffers
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#665722 - Build Fixes for COGL master branch
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#665723 - Conformance tests failed (snippets, pipeline_uniforms)
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#667009 - Remove DRM vblank hack
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Many thanks to:
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Neil Roberts
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Chun-wei Fan
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Rob Bradford
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Daniel Mustieles
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Fran Diéguez
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Aurimas Černius
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Javier Jardón
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Jorge González
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Joshua Lock
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Seong-ho, Cho
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Tomeu Vizoso
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Yinghua Wang
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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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• List of changes since Cogl 1.7.8
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» Started porting Cogl conformance tests from Clutter to be standalone
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Cogl tests including tests for depth-state and backface culling.
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» Added a new color mask conformance test
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» We no longer implicitly define COGL_ENABLE_EXPERIMENTAL_2_0_API in the
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cogl-2.0-experimental.pc file cflags because the way pkgconfig works makes
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it hard to then consume libraries depending on cogl-2.0-experimental.pc
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with Clutter.
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» Made progress re-factoring cogl-pipeline.c to be more maintainable by
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starting to split the code up into more manageable pieces.
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» We now bind the locale dir for the Cogl domain during init
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» We now track backface culling state as part of CoglPipeline.
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• List of bugs fixed since Cogl 1.7.8
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https://bugzilla.gnome.org:
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#656442 - README points to wrong bug product
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#658092 - St ::hover transitions don't act as expected
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#658333 - Typo in cogl/cogl-display.h
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#658700 - Bind the locale domain so that gettext actually works
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#659029 - Clipping problem
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#659360 - Optimization in _cogl_winsys_onscreen_swap_region causes tearing
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Many thanks too:
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Neil Roberts
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Matej Urbančič
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Abdalrahim G. Fakhouri
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Adel Gadllah
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Andika Triwidada
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Arash Mousavi
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Bruce Cowan
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Chun-wei Fan
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Duarte Loreto
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Emmanuele Bassi
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I Felix
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Ihar Hrachyshka
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Ioannis Zamboukas
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Laura Balbastre
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Luca Ferretti
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Manoj Kumar Giri
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Muhammet Kara
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Rudolfs Mazurs
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Tiffany Antopolski
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Wolfgang Stöggl
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Wouter Bolsterlee
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Xandru Armesto
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Yinghua Wang
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Yuri Myasoedov
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Мирослав Николић
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Cogl 1.7.8 2011-09-05
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• List of changes since Cogl 1.7.6
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» Getters for the display and renderer associated with context
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» Getter for the number of supported texture units during fragment
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processing. (ClutterGst needs to know this for example to know if GLSL
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based YUV->RGB color space conversion can be used.)
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» Optimizations for the GLSL codegen for fragment processing so we can
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ignore redundant layers - if for example the "REPLACE" function is used
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for layer N then computing anything for previous layers is redundant. Also
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if texture combining needs to sample the same texture multiple times we
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now re-use the same sample instead of repeating it.
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» Optimize texture uploads to a texture atlas on GLES by avoiding lots of
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redundant format conversions.
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» Relax the requirement to need braces around blend factors when using the
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CoglBlendString syntax. Braces are only needed for factors involving a
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subtraction like "(1 - SRC_COLOR[A])"
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» Adds API for querying the format of a CoglFramebuffer
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• List of bugs fixed since Cogl 1.7.6
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https://bugzilla.gnome.org:
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#656426 - Improve the generated GLSL code
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#656441 - Build failure in examples
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#656587 - Outdated FSF Address in code files
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#657347 - Retrieve the number of texture image units
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#657840 - Atlas-ed bitmaps converted too many times
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#656809 - cogl 1.7.6 doesn't compile on Fedora 16/17
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Many thanks to:
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Damien Lespiau
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Neil Roberts
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Emmanuele Bassi
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Cogl 1.7.6 2011-08-12
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===============================================================================
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• List of changes since Cogl 1.7.4
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» Add an experimental cogl_matrix_look_at function
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» Fix flipping the y-coordinates for cogl_framebuffer_swap_region
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» Automatically allocate framebuffers on first use
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» Add experimental cogl_framebuffer_clear functions
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» Add a function to get the context given a framebuffer
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» Add support for a cogl.conf config file
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» Fix using TEXTURE_n as the source for a layer combine
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» Some fixes for the WGL backend
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» Add experimental API to upload a texture subregion from a CoglBuffer
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• List of bugs fixed since Cogl 1.7.4
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https://bugzilla.gnome.org:
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#655026 - cogl-pango should not link to systemwide libcogl during make
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install
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#655216 - egl: Guard the feature discovery of eglCreateImage()
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#655228 - Bugs in cogl-quaternion library functions
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cogl_quaternion_init_from_array and
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cogl_quaternion_get_rotation_axis.
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#655355 - Make Cogl master work on EGL/GDL again
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#655400 - cogl-pipeline-fragend-arbfp: Initialise template_pipeline
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#655412 - Don't use the 'NULL' GModule to resolve GL symbols
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#655510 - Access Violation (a.k.a Segfault) in cogl/driver/gl/cogl-gl.c
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#655556 - Memory leak in function cogl_polygon in cogl-primitives.c
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#655723 - egl-gdl: Silence a gcc warning
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#655724 - egl-gdl: Don't generate cogl-display.h
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#656303 - Improve cogl-pango's journal usage
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#655792 - android: Commit the build.xml file
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#655791 - android: Update the hello example to the latest glib-android
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API change
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Many thanks to:
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Robert Bragg
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Damien Lespiau
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Chun-wei Fan
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Alexandre Rostovtsev
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Kirk A. Baker
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Philip Withnall
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Florian Renaut
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Cogl 1.7.4 2011-07-20
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===============================================================================
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• List of changes since Cogl 1.7.2
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» Optimize pipeline unparent operation using embedded lists instead
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of using GList API.
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» Remove the old matrix operation code we had before pulling in the
|
||
mesa based code, and flatten all our matrix utilities back into one
|
||
maintainable file.
|
||
» Expose cogl_framebuffer_get_red/green/blue/alpha bits to query
|
||
the precision for a framebuffer's color channels.
|
||
» Numerous reference manual updates
|
||
» Fix some memory leaks in CoglPipeline that weren't captured in
|
||
bugzilla.
|
||
» Fix some EGL winsys issues that weren't captured in bugzilla.
|
||
» Switch to dynamically loading libGL, libGLESv2 or libGLES[v1]_CM
|
||
at runtime so it's possible to distribute a libcogl that can choose
|
||
to work with any of these at runtime. This can simplify packaging
|
||
on distros that have numerous packages that provide a platform
|
||
specific GL/GLES driver and certainly helps during the development
|
||
process when evaluating the pros-and-cons of different drivers for
|
||
a given platform.
|
||
» Clean up lots of inconsistencies with platform specific APIs, so
|
||
we follow the naming convention of cogl_<platform>_object_method.
|
||
» Remove cogl_set_default_context from experimental 2.0 api, since
|
||
we are aiming to remove the default context for 2.0
|
||
» Ensure the experimental 2.0 reference manual gets a unique
|
||
DOC_MODULE name so that distro's trying to package cogl don't end
|
||
up installing the 1.x and 2.0 manuals to the same location
|
||
» Add a program cache for the GLSL backend, a bit like we have for
|
||
the ARBfp backend. This can be a big boost in performance for some
|
||
apps depending on your platform.
|
||
» Adds dither_enable getter and setter API for CoglFramebuffer so
|
||
that Clutter doesn't need to use the GL API directly when picking.
|
||
We need to get to the point where Clutter doesn't need to link
|
||
against libGL directly so Clutter can take advantage of runtime
|
||
driver selection by Cogl.
|
||
» Use MESA_pack_invert extension in cogl_read_pixels to avoid
|
||
needing to manually flip pixel data read in bottom-up order to a
|
||
top-down order.
|
||
» Fix the hello example to actually clear the framebuffer at the
|
||
start of the frame instead of unintentionally relying on the driver
|
||
to have cleared the framebuffer.
|
||
|
||
• List of bugs fixed since Cogl 1.7.2
|
||
|
||
https://bugzilla.gnome.org:
|
||
|
||
#652514 - CoglPipeline could embed the list nodes for the
|
||
children directly in the CoglPipeline struct
|
||
#654440 - _cogl_winsys_context_init crash
|
||
#654718 - clutter 1.6.16 compile issues
|
||
#654593 - dlopening an unversionaed Shared Object is illegal.
|
||
|
||
Many thanks to:
|
||
Neil Roberts
|
||
Damien Lespiau
|
||
Emmanuele Bassi
|
||
Takeshi AIHANA
|
||
|
||
Cogl 1.7.2 2011-07-01
|
||
===============================================================================
|
||
|
||
• List of changes since Cogl 1.7.0
|
||
|
||
» Add an example program to draw a 3D crate
|
||
|
||
» Add experimental API to get and set the viewport on a framebuffer
|
||
without going through the implicit context.
|
||
|
||
» Add API to select the winsys backend without having to use an
|
||
environment variable.
|
||
|
||
» Various documentation fixes.
|
||
|
||
» Add winsys-specific typesafe APIs to replace the old
|
||
cogl_renderer_handle_native_event functions.
|
||
|
||
» Rename platform-specific APIs so that we consistently have
|
||
cogl_<platform>_symbol_name instead of cogl_symbol_name_<platform>.
|
||
|
||
» Fixed building against GLES.
|
||
|
||
• List of bugs fixed since Cogl 1.7.0
|
||
|
||
https://bugzilla.gnome.org:
|
||
|
||
#652672 - Typo fix in cogl-framebuffer
|
||
#653615 - cogl_release_status='snapshot' breaks linking on 64-bit
|
||
systems due to namespace conflict with ltoptions.m4
|
||
#653229 - pipeline: Don't regenerate shaders when not changing the
|
||
number of layers
|
||
#653231 - pipeline: Don't trigger a change when binding the invalid
|
||
texture target
|
||
|
||
Many thanks to:
|
||
Robert Bragg
|
||
Adam Jackson
|
||
Emmanuele Bassi
|
||
|
||
Cogl 1.7.0 2011-06-10
|
||
===============================================================================
|
||
|
||
• List of changes since Clutter 1.6
|
||
|
||
» Cogl split out into a standalone project!
|
||
|
||
» Added native winsys backends for GLX, WGL, EGL and Android (Quartz in
|
||
progress)
|
||
» Supported EGL platforms include: NULL, X11, GDL and Wayland
|
||
|
||
» Adds renderer,display,onscreen-template and swap-chain APIs for
|
||
writing standalone apps using the experimental 2.0 API
|
||
|
||
» Added convenience functions cogl_matrix_view_2d_in_frustum/perspective
|
||
for setting up a Clutter style view transform for a 2d coordinate system
|
||
inside a projective perspective.
|
||
|
||
» Added an experimental Quaternion API
|
||
|
||
» Added an experimental Euler API
|
||
|
||
» Re-worked the CoglPipeline depth testing state API
|
||
|
||
» Added EGL X11 texture-from-pixmap support.
|
||
|
||
» Added a tiny Wayland compositor (without input support) under
|
||
examples/
|
||
|
||
» Optimizations:
|
||
» Optimise paths that are just a rectangle
|
||
» Journal: Use a pool of vertex-arrays to avoid allocation costs.
|
||
|
||
• List of bugs fixed since Clutter 1.6
|
||
|
||
http://bugzilla.clutter-project.org:
|
||
#2538 - crash in gnome-shell
|
||
#2544 - Using vertex buffers causes memory corruption when you unref the CoglHandle
|
||
#2561 - Updates to COGL sources regarding non-standard code usage
|
||
#2588 - Assertion failure in _cogl_pipeline_set_layer_texture_target
|
||
#2594 - cogl-clip-state: Adapt to experimental cogl2 API.
|
||
#2620 - _cogl_offscreen_new_to_texture_full() leaks reference when failing
|
||
|
||
https://bugzilla.gnome.org:
|
||
#641197 - mouse events at pixel row zero are ignored
|
||
#650966 - CoglPipeline doesn't support any layers on fixed function hardware
|
||
#650979 - cogl-pipeline-fragend-fixed: Fix enabling texture targets
|
||
#651256 - configure fails for the poor sods who use dash as sh
|
||
|
||
Many thanks to:
|
||
|
||
Neil Roberts
|
||
Emmanuele Bassi
|
||
Damien Lespiau
|
||
James Athey
|
||
Jasper St. Pierre
|
||
Piotr Drąg
|