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The values of gl_constants.MaxAtomicBufferBindings and gl_program_constants.MaxAtomicBuffers are derived from pipe_shader_caps.max_hw_atomic_counter_buffers, which is synchronized with the host's GL_MAX_*_ATOMIC_COUNTER_BUFFERS. Based on the definition of struct virgl_context and other factors, the current virgl driver can only support a maximum of 32 atomic buffers. If no restrictions are imposed on pipe_shader_caps.max_hw_atomic_counter_buffers, an error like the following will occur in the vm when the host's GL_MAX_*_ATOMIC_COUNTER_BUFFERS exceeds 32. Thread 1 "glmark2-drm" received signal SIGABRT, Aborted. Download failed: Invalid argument. Continuing without source file ./nptl/./nptl/pthread_kill.c. __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44 warning: 44 ./nptl/pthread_kill.c: No such file or directory #0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44 #1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78 #2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89 #3 0x00007ffff784527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #4 0x00007ffff78288ff in __GI_abort () at ./stdlib/abort.c:79 #5 0x00007ffff782881b in __assert_fail_base (fmt=0x7ffff79d01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7ffff63f686a "start + count <= 32", file=file@entry=0x7ffff63f6854 "../src/util/ bitscan.h", line=line@entry=306, function=function@entry=0x7ffff6d4c020 <__PRETTY_FUNCTION__.16> "u_bit_cons ecutive") at ./assert/assert.c:96 #6 0x00007ffff783b517 in __assert_fail (assertion=assertion@entry=0x7ffff63f686a "start + count <= 32", file =file@entry=0x7ffff63f6854 "../src/util/bitscan.h", line=line@entry=306, function=function@entry=0x7ffff6d4c020 <__PRETTY_FUNCTION__.16> "u_bit_consecutive") at ./assert/assert.c:105 #7 0x00007ffff5250ef5 in u_bit_consecutive (count=48, start=0) at ../src/util/bitscan.h:306 #8 0x00007ffff5252337 in u_bit_consecutive (count=48, start=0) at ../src/gallium/auxiliary/util/u_inlines.h:75 #9 virgl_set_hw_atomic_buffers (ctx=<optimized out>, start_slot=0, count=48, buffers=0x7fffffffd9b0) at ../src/ gallium/drivers/virgl/virgl_context.c:1351 #10 0x00007ffff4a58faf in st_bind_hw_atomic_buffers (st=<optimized out>) at ../src/mesa/state_tracker/st_atom_ atomicbuf.c:168 #11 0x0000000000000000 in ?? () Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn> Reviewed-by: Corentin Noël <corentin.noel@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35730> |
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.