Remove the "If only executable code is distributed..." paragraph from
the license text. Everything now uses a normal MIT license.
The only code from Khronos that's included in libglvnd is the EGL/GL
header and XML files, which do not contain that paragraph.
Fixes https://gitlab.freedesktop.org/glvnd/libglvnd/-/issues/221
These use the symbol-check.py script from mesa, and should help to
ensure that glvnd doesn't start exposing/hiding new symbols. It's also
useful to double check that meson and autotools are doing the same
thing.
This preserves the names from Mesa's gl, glesv1_cm, glesv2, and egl pkgconfig
data, and for compatibility with that, gl.pc gives you libGL.
Also added glx.pc and opengl.pc for libglvnd's libGLX and libOpenGL libraries.
If newer applications want to explicitly depend on libGLX and the appropriate
rendering API they can ask for the new pkgconfig names.
Note that the version numbers in each file are the API versions that each
library exposes, not the libglvnd package version.
An added advantage to this is that it makes it really easy to build with
Python 3, the same way other Autotools projects support it:
$ export PYTHON=/usr/bin/python3
$ ./configure
Don't point nonst_HEADERS or EXTRA_DIST at entire directories. That causes
"make dist" to include files that it shouldn't, such as configured makefiles
and .pyc files.
Also added a few generated header files to noinst_HEADERS.
Add an AC_CHECK_FUNC call to check whether dlopen is available without any
additional libraries. Some systems provide dlopen as part of libc, in which
case we can't (and don't need to) link against libdl.so.
If libglvnd is installed onto a system that already has non-libglvnd versions
of any of the OpenGL libraries installed, then ldconfig can get confused about
which files to create symlinks to. At worst, you could end up with a mix of the
libglvnd libraries and leftover non-libglvnd libraries.
To avoid that, bump the version numbers in these filenames:
- libGL.so.1.0.0 -> libGL.so.1.7.0
- libGLESv1_CM.so.1.0.0 -> libGLESv1_CM.so.1.2.0
- libGLESv2.so.2.0.0 -> libGLESv2.so.2.1.0
- libEGL.so.1.0.0 -> libEGL.so.1.1.0
Fixes https://github.com/NVIDIA/libglvnd/issues/147
Changed the default vendor config paths to be based on the directory options
for configure. libEGL will now look under the sysconfigdir and datadir paths,
in a "glvnd/egl_vendor.d" subdirectory.
Added the "datadir" variable to the pkg-config file, so that other packages can
find the expected location of the JSON files.
Implemented the EGL_KHR_debug extension in libEGL.
Updated the error reporting throughout libEGL to call the debug callback.
This requires that all vendor libraries also support EGL_KHR_debug. The reason
is that the debug callback has to be called every time an EGL error is
generated, and vendor libraries are still responsible for keeping track of EGL
errors on their own.
libEGL should be able to cope with a vendor library that doens't support
EGL_KHR_debug, but if that vendor library is used, then the extension won't
work correctly.
The implementation is mostly based off of libGLX.
Unlike GLX, libEGL will load all vendor libraries up front. This is necessary
for dealing with eglGetPlatformDisplay, as well as many client extensions.
Dispatching EGL functions is generally simpler than GLX. All display extension
functions by definition can be dispatched based on an EGLDisplay handle, so
it doesn't need to provide lookup functions for contexts or surfaces, and
vendor libraries don't have to add any EGL objects to tracking.
Only OpenGL and OpenGL ES and a handful of client extensions are supported so
far.
