OpenGLContext 2.0
Changelog:
2.0.0c1 -> 2.1.0a1
PyOpenGL 3.x compatibility
Support for Numpy
PyVRML97 project split back out into separate project
A few more tests/demos
Register and look up node-types explicitly using plug-in framework.
Register and look up context-types explicitly using plug-in framework.
Expose scripts for vrml_view and choosecontext.2.0.0b1 -> 2.0.0c1
Refactoring and code cleanup:
Major scripts moved to the bin subdirectory.
Contexts now have classmethods for their "main" functions.
Scripts to choose the default context class and font.
Application data directory now hidden on non-Win32 platforms
(.OpenGLContext instead of OpenGLContext).
Mechanism for specifying context attributes (size, depth,
buffer type, etceteras). See the
contextdefinition.ContextDefinition
Node-class for details.
Default getScenegraph implementation of getattr(self,'sg',None).
Force flush before swap buffers (attempt to compensate for
rendering artefacts on Linux).Non-standard MouseOver node for constructing buttons.
PyGame interactivity fixes
Work on making the PyGame interactions, particularly keyboard
repeats, act in the same way as the keyboard interactions under
wxPython and GLUT
wxTestingContext icons
wxPython testing context now has icons set for the frame so that
it isn't showing the (ugly) default windows icons.
A few more tests/demos
wx_with_controls.py -- demo of wxPython context + interacting
control outside the context
arbwindowpos.py -- ARB extension for pixel-level positioning of
bitmap position within the rendering window
Resources directory w/ OpenGLContext icons for easy import
Dispatcher module completely factored out into the SourceForge
pydispatcher project.
Switched registerCallback to using class-methods, switched demo
to using those methods to allow non-context-dependent registration
of mouse events.
Refactoring of mouse-based events, addition of code to allow
"captured" and "bubbling" events (parent recieves events
before/after children and can cancel further propagation).
Bug Fixes:
Try ImageTexture stub when PIL not available
Workaround for strange bug with wxPython where the main thread
appears as two different objects, depending on whether it's in
a callback or not.
Test for bugs in PyOpenGL's feedback mode operation
Additionally, some work has been done on the browser sub-package,
but it is still not finished to even prototype stages yet. It may,
however, be useful as a source of sample code to some people.2.0.0a4 -> 2.0.0b1
Optimization and accelerator modules:
The entire rendering pipeline has been noticeably sped up,
with a number of key performance bottlenecks rewritten
using C modules (which should compile on any Python+Numeric
setup).
Frustum Culling:
Bounding box calculation for common geometry types, including
caching and automatic updating of bounding boxes.
Frustum extraction from model view matrix.
Polygonal and Bitmap Text (TTF):
Use of (new) ttfquery package based on the fonttools package
allows scanning for system fonts (or fonts in a given directory)
and doing primitive face-name matching for those fonts. Uses
direct extraction of font outlines for polygonal text.
Context customization point for setup
Eliminated BitmapText node, use FontStyle.format ='bitmap'
instead.
All rendering methods and functions are now given a "mode"
argument, and generally pass that argument to the functions
they call to provide access to the current renderpass, context,
etc.
GLE-based extrusion geometry types added
Added object for managing initialized extensions for a given
context
Added some utility mechanisms for dealing with parametric
equations of planes expressed as 4-item arrays.
Switch to using Mip-mapped textures by default
Polygon tessellation code reworked and generalized (used
by the polygonal text engine, for instance).
Added (disabled) code to use display lists instead of array
geometry for rendering indexed face sets.
Broke out vertex and polygon classes from IFS module
wxPython context:
Added wants-chars style to work properly in panels
wxPython context should also be somewhat more stable,
particularly when used with Python 2.2.3. Workarounds for
Python 2.2.2 bugs are still in place, but they do not
guarantee that no errors will occur, merely reduce the
likelihood when using Python 2.2.2.
Added ability to provide an OpenGL attribList for wxContext.
Bug Fixes (too many to list everything):
Textures and display-lists in particular have significant
bug fixes checked in. Many of these were simply making
the objects context-specific. Also caught strange bug where
display list creation is returning 0 rather than raising
exceptions.
Textured transparent geometry (i.e. geometry whose textures
have Alpha channels) are now rendered during the transparent
rendering pass, rather than the opaque rendering pass.
Fix for unlit textured geometry not showing white as base colour.
TextureTransform logic bug eliminated (was occasionally leaving
the texture transform active).
The cache API is now easier to use, and hopefully will not
be triggering Python 2.2.2 errors anymore.
Python 2.3 compatibility revisions
Removed premature optimisation which was eliminating USE'd
transparent shapes even though the matrices were different.
Fix for build_normalPerVertex to properly build the normals
(produces true smoothing, rather than the rather strange
looking results of the previous version).2.0.0a3 -> 2.0.0a4
PROTOs:
Initial support for prototyped nodes added, which
allows for loading a wider swath of VRML content. No
support for EXTERNPROTO as-of-yet.
Refactored vrml.vrml97.prototypes into vrml.route and
vrml.vrml97.script modules
Events:
Partial rework of the mouse-events API to allow the
events to be handled during the event-cascade,
addition of support for event-cascade deferal of event
processing to eventhandler mix-in and Context classes.
Addition of support in the event base class for tracking
visited node/field combinations, calling of base-class
initializer from the sub-class initializer's.
ROUTEs are now active for fields
IS mappings now work for PROTO fields (sub-class of ROUTE)
Introduction of Event class in the vrml package, should
become the base-class for OpenGLContext.events.event
Cleanup of bugs in Shape, Switch and WGLFont where corner-
cases were not properly caught (e.g. no geometry, whichChoice
out-of-bounds, no text on a line)
IndexedFaceSet:
Reworked generation code extensively, now supports
colour-per-face and normal-per-face modes of VRML97
Added a few sanity checks as well.
PixelTexture node added.
Preliminary Cylinder and Cone implementations.
Stub implementations of LOD, Inline and Billboard nodes.
Fix for transparent-geometry rendering (depth-buffer-testing
enabled).
Consolidated vrml.node and vrml.vrml97.node into vrml.node
Moved fieldtypes to vrml package instead of VRML97 package
Made default testing-context preference-sequence wx, Pygame,
then GLUT
Made all Bindable types also act as Children, since they are
present in the scenegraph hierarchy.
Fix for parsing hexidecimal-encoded SFImage fields (as seen
in PixelTextures).
Work-around for Python 2.2.2 calling of receiver methods in
dispatcher.
Considerably more robust getField implementation in
protofunctions2.0.0a2 -> 2.0.0a3
Major Documentation updates (almost all doc-strings are
updated in all modules).
Loaders:
Fixed bug with local-file loading where a local-file combined
with the url ../ would give a result of: z:../ , we now create
a file-path url in cases where a local-file is loaded.
Moved vrml2pklgz script to loaders module.
Re-added "dump" method to VRML97 loader.
ViewPlatform:
Fix for the straighten method
Elimination of distance attribute
Switch to new-style classes
Loosening of the API for setPosition and setOrientation
Fix for bug in the "forward" method
Mix-in:
Eliminated trackball attribute and unProject method,
commented out the unused slider interface
Minor tweaks/optimisations to vectorutilities.
Nodes:
Changed Node.externalURL back to a simple attribute value
of the class (bug-fix)
Made SFNode and MFNode donate rootSceneGraph to children
without them when values are set.
Eliminated unused WeakMFNode field-type
Fixed bug in WeakField implementation (returned a weak
reference)
Added a bound field to CubeBackground.
Fixed inheritence for WeakSFNode, eliminated cube-background
work-around for rootSceneGraph tracking.
Texture/ImageTexture:
Refactored PIL texture conversions
Fixed typo/copying bug in Texture.__del__
Fix for image loading (default baseURI re-instated),
reduced levels on a number of log messages
Fix for cube-background render when last glColor set
the color to black.
Added fields Background to shadow those in CubeBackground
which prevent ImageTexture objects being linearised to
VRML97 where they shouldn't be.
Complete rework of the field.Field implementation to
eliminate the seperate "fieldtype" objects in favour
of making fieldtypes the actual type (class) of the
field. [ MAJOR CHANGE ]
Unused methods deleted from OverallPass
Fixed bug in the builtin( ) function, it would only properly
report for Nodes before, instead of working for both Nodes or
prototypes/classes.
Events:
Eliminated use of Start and Stop Timer Events as
parents for Pause and Resume events
InternalTime's now generate FractionalEvents in a few
more places.
Moved the examine manager to the events package
EventManger.registerCallback raises NotImplementedError
instead of SystemError if a sub-class doesn't implement
the method.
Minor cleanup in Event and EventHandler classes
Switch a few classes to being new-style classes.
Testing Code:
ambient_only made a sub-class of the vrml_view test
Removed obsolete glut stencil buffer test script2.0.0a1 -> 2.0.0a2
Made scenegraph.regDefName de-register references to the
object by it's previous defName if possible.
Added PROTO name declaration to BitmapText
Changed NurbsTrimmedSurface name to TrimmedSurface to
follow the nurbs-extension naming scheme
Added "standardPrototype" function to loaders.vrml97 to
allow for programmatic registry of standardPrototypes for
the loader
Documentation updates.
A few setup and manifest changes.
Added a texture-specific log to the debug/logs module.
Addition of "root" protofunction for getting the root
scenegraph for a node (doesn't currently support
automatically setting the root field for children, however)
Elimination of weakref dicts for implementating scenegraph,
uses protofunctions instead
Elimination of "DEF" and "PROTO" references in favour of
protofunctions.defName and protofunctions.protoName
Image and Texture Loading:
Initial support for loading textures across the network,
basically it's the original VRML97 loader with a bit of
refactoring to support both images and scenes.
Caching textures (only creating a single OpenGL texture
if there are multiple ImageTextures which use the same
PIL image)
PIL paletted texture -> RGB
PIL resize of non-power-of-two textures
IFS Tesellation -- commented out debugging code
when IFS runs out of vertex indices before it
runs out of other indices, just considers itself
done now (lets some malformed content load)
.cvsignore files added throughout
Added missing attribution for glprint test