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When --enable-shared-glapi is specified, libGL will share libglapi with
OpenGL ES instead of defining its own copy of glapi. This makes sure an
app will get only one copy of glapi in its address space.
The new option is disabled by default. When enabled, libGL and libglapi
must be built from the same source tree and distributed together. This
requirement comes from the fact that the dispatch offsets used by these
libraries are re-assigned whenever GLAPI XMLs are changed.
For GLX, indirect rendering for has_different_protocol() functions is
tricky. A has_different_protocol() function is assigned only one
dispatch offset, yet each entry point needs a different protocol opcode.
It cannot be supported by the shared glapi. The fix to this is to make
glXGetProcAddress handle such functions specially before calling
_glapi_get_proc_address.
Note that these files are automatically generated/re-generated
src/glx/indirect.c
src/glx/indirect.h
src/mapi/glapi/glapi_mapi_tmp.h
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Now that MESA_MINOR=10, we no longer need the extra '0' in the
version string.
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Check MESA_LLVM and link to LLVM as other targets do.
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If the GALLIUM_GALAHAD env var is 1 we'll wrap the regular driver with
the galahad validation driver.
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glxinfo and glxgears run on swrast and softpipe without undefined symbol
errors.
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Also added calls to the create function in target helpers and in
tr_drm.c the latter being a hack and should be replaced with the
wrap screen target helper. But at least this way we don't regress.
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Move glapi to src/mapi/{glapi,es1api,es2api}.
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Conflicts:
progs/egl/Makefile
progs/egl/Makefile is gone on master with the egl demos split into
subdirectories. Will require an additional commit.
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This reverts commit f87a5f6499f51f651c2a9f2d4682875b22926905.
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Finally we can inject layers for debug, trace and "other" with
relative ease between state-tracker and driver.
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Currently there are still at least two functions bundled up inside the
winsys concept:
a) that of a backend resource manager, sometimes capable of performing
present() operations,
b) the initialization code/routine for the whole driver stack.
The inclusion of (b) makes it difficult to share implementations of
(a) between different drivers. For instance, a clean xlib winsys
could be of use for software-rasterized VG, GLES, EGL, etc, stacks.
But that is only true as long as there is no dependency from the
winsys to higher level code, as would be the case when we include (b)
in this component.
This change creates a new gallium/targets subtree, specifically for
implementing the glue needed to build individual driver stacks, and
moves that code out of a single example winsys, namely xlib.
Other drivers continue to build unchanged, but hopefully can migrate
to this structure over time.
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