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automatically detect duplicate constant and function definitions
between vendor and ARB extensions and the OpenGL core, and to remove
the suffixes of ARB extensions. This code has helped automate the
process of discovering extensions that were promoted into the OpenGL
core.
While this code has saved some manual effort, it has also caused
several problems:
1. It causes obsolete ARB extensions to be incorrectly moved into the
core OpenGL namespace. GL_ARB_texture_rectangle, GL_ARB_vertex_blend,
and GL_ARB_matrix_palette are examples of extensions that should not
have their ARB suffixes removed because they are dead-end extensions.
Definitions which are explicitly specified that they will change, such
as those in the EGL_KHR_sync extension, were also incorrectly moved
into the core namespace.
2. It has caused certain OpenGL ES-specific definitions to
accidentally be promoted into the core OpenGL namespace: for example,
the constants associated with the GL_OES_point_size_array extension,
which were incorrectly placed into the GL2ES1 interface.
3. It causes namespace collisions between certain ARB extensions that
are only accessible via their ARB entry points and core OpenGL
routines: specifically GL_ARB_vertex_program and GL_ARB_fragment
program. Based on tests on NVIDIA's drivers, when a developer wants to
use the earlier ARB_vertex_program and ARB_fragment_program semantics
rather than GLSL, it is mandatory to use the ARB entry points rather
than the core OpenGL entry points.
4. It is not easy to configure the behavior of this automatic merging,
nor easy to see how it would be extended to be configurable.
5. It does not address the problem of detecting which extensions are
common between desktop OpenGL and OpenGL ES. A different algorithm
would be needed to solve that problem.
6. It has a high degree of functional overlap to the IgnoreExtension
directive which has previously been used to ignore ARB extensions that
were promoted into the OpenGL core. There were already IgnoreExtension
directives in place for all of the OpenGL extensions subsumed in
OpenGL 1.1 through 1.3.
7. It has been the cause of several bugs and unexpected interactions
with the Ignore and ForceProcAddressGen directives.
After careful consideration, it appears that the problems with this
code outweigh the benefits and it has been removed. The run-time code
which attempts to find extension variants of core entry points has
been retained, however.
To reduce the amount of subsequent manual work, the following
additions have been made:
1. A generic SymbolFilter mechanism has been added to GlueGen, which
can be used to pre-process the entire set of constant and function
definitions at any time during glue code generation (although it is
recommended to do so at the beginning of processing, i.e., in
GlueEmitter.beginEmission()).
2. The RenameJavaMethod directive has been generalized to
RenameJavaSymbol, and can now work on constant definitions.
3. A ConstantDefinition class has been added.
4. A RenameExtensionIntoCore directive has been added to the GLEmitter
which will rename all constant definitions and entry points associated
with a particular OpenGL extension into the core namespace, i.e.,
stripping off any ARB or similar suffixes.
5. An AutoUnifyExtensions directive has been added which is disabled
by default but which will automatically ignore any OpenGL extension
which has been completely subsumed into the OpenGL core and, if not,
print out the first declaration in that extension which caused it to
fail to be ignored.
The extensions common between OpenGL ES and desktop OpenGL have now
largely been moved into the core namespace using the
RenameExtensionIntoCore directive. A couple of these extensions had
slight differences between desktop OpenGL and OpenGL ES; the common
declarations were renamed manually.
IgnoreExtension directives have been added for those ARB extensions
promoted into the OpenGL core up to OpenGL 2.1. A few extensions which
were either silently promoted into the core specification
(GL_EXT_paletted_texture) or are obsolete (GL_EXT_multisample,
GL_EXT_point_parameters) were also ignored. The GlueGen runtime code
which looks up extension versions of core APIs via GLExtensionNames
makes this possible without breaking compatibility on older machines
that do not support OpenGL 2.1 directly.
With these changes, the same effect as the automatic extension
unification mechanism has been achieved, with much more explainable
and controllable results. Before-and-after versions of all of the
public interfaces (GL, GL2ES1, GL2ES2, GLES1, GLES2, and GL2) have
been compared by hand to ensure that the results are as expected and
desired.
Bugs in BuildStaticGLInfo were fixed which were preventing the
extension associations in the OpenGL ES headers from being discovered.
getExtensions() was added to be able to enumerate the discovered
extensions. Most .cfg files were changed to parse both the desktop
OpenGL and the OpenGL ES headers using the GLHeaders directive so that
the extension associations are known for both sets of APIs.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@134 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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out by java.net user kschwebke
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@120 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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type for pointers returned in arrays: specifically, the return value
of glXChooseFBConfig. However, this fix contains an inherent memory
leak for certain C APIs because the original Buffer is not necessarily
available to be manually freed. Still, fixes remaining problems with
pbuffer support on X11 platforms.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@119 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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LongBuffer) is returned from a native method, which was occurring with
glXChooseFBConfig with the new Opaque directive of GLXFBConfig to long
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@118 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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canonicalization of names, which was exposed by trying to ignore
WGL_OML_sync_control. Made static uniqNameMap from JavaConfiguration
an instance variable and propagated this throughout the code.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@107 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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so it makes sense with 'ExtendedInterfaceSymbolsOnly'
- New config: ExtendedInterfaceSymbolsOnly
All symbols not in those Java base classes/interfaces are ignored!
- Rewrote/cleanup of the unified names, etc.
- Common UnifiedName logic, with specialisation GLUnifiedName
- UnifiedName behaves as a Set
- UnifiedName function mapping present at all times,
and the FunctionSymbol names are mapped to one entity.
- DropUniqExtensionNames is now considered within the general shouldIgnore*
- GLExtensionNames added: 3DFX
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@104 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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All enums and functions within the specified interface (or abstract class),
will not be emitted in the resulting interface.
This simplifies the GL profile config's a lot, as well reducing the footprint.
- Adding JavaParser 'com.sun.gluegen.jgram.JavaParser',
which collects enums and functions.
- New config feature 'UnsupportedExceptionType <exception name>',
which complements the 'RuntimeExceptionType <exception name>' feature.
UnsupportedExceptionType's are thrown in case a function is not available.
- Fix: BuildComposablePipeline
- Method names are now unique by:
- name, return type, modifiers and arguments
- Cleanup:
- mv: com.sun.gluegen.runtime.opengl.GLUnifiedName -> com.sun.gluegen.opengl.GLUnifiedName
- contains only the compile time portion of the former
- add: com.sun.gluegen.opengl.runtime.GLExtensionNames
- contains the extension name handling
- bulletproof GL function and GL enum recognition.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/branches/JOGL_2_SANDBOX@101 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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non-const arrays of compound types and the associated copies back to
Java, in support of constructs like eglChooseConfig. Generated code
has been compiled but not yet tested. Refactorings to allow generated
glue code using StructAccessors to work on Java ME / CDC / FP +
JSR-239 NIO, as well as Java SE. Bug fix to ForceProcAddressGen.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@77 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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Applied and expanded patch from user tck to fully qualify all
references to New I/O classes in generated code. Tested by removing
Import of java.nio.* from JOGL and JOAL; required modification of the
custom Java code for those packages, but otherwise working well.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@73 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@61 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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pointed out by users Dj3hut1 and kicklee on JOGL forum in the context
of glMultiDrawElements calls
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@35 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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depths in particular to fix AGLPbuffer case supplied by Justin Couch.
Tested with builds on Windows, Linux and Mac OS X and AGL test case.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@33 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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Incorporated patch from user cylab on javagaming.org forums to
generate @native tags in GL javadoc which are postprocessed using a
taglet:
http://www.javagaming.org/forums/index.php?topic=12629.0
Modified supplied patch to restrict the @native designation to only
the function name, and to understand OpenGL data type-related suffixes
(i.e., glVertex -> glVertex3f).
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@29 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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subclassing
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@21 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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keep track of server-side OpenGL objects, like textures and display
lists, created by the end user to preserve the illusion of independent
contexts even though they will all share textures and display lists
with the Java2D OpenGL context in order to access its FBO. Added
GLObjectTracker class to track creation and destruction of these
objects and to support cleanup when the last referring context has
been destroyed. Modified GLContextShareSet to create and install
GLObjectTrackers when necessary and GLContext to ref and unref tracker
appropriately. Changed GlueGen's JavaPrologue and JavaEpilogue
directives (and their documentation) to perform argument name
substitution. Wrote documentation section on argument name
substitution and specified behavior for primitive arrays (converts to
string "array_name, array_name_offset" in substitution). Rephrased
GlueGen's RangeCheck directives in terms of JavaPrologue directives
and deleted old specialized code. Fixed bug in handling of VBO support
in GLConfiguration when JavaPrologue was present for affected
functions. Added JavaPrologue and JavaEpilogue directives to all
existing OpenGL routines creating server-side objects (though it's
possible some were missed) to call GLObjectTracker when necessary.
Added RangeCheck directives for these routines as well. Worked around
bug in JOGL demos where shutdownDemo() was being called more than once.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@13 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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Restructured JOGL and JOAL build processes to separately invoke
GlueGen's main build.xml before using it to generate their code.
Refactored OS/CPU detection code into gluegen-cpptasks.xml build file
in GlueGen workspace, which is now imported by both the JOGL and JOAL
build processes. Unfortunately it seems to be somewhat difficult to
completely factor out the C compiler configuration into the GlueGen
workspace so this has been left for a later date. Added missed
ALProcAddressLookup file to JOAL workspace. Updated JOGL and JOAL
build documentation. More documentation for the GlueGen workspace is
forthcoming.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@3 a78bb65f-1512-4460-ba86-f6dc96a7bf27
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