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7c01f70bdc
For cmd GL_PERFMON_RESULT_SIZE_AMD and GL_PERFMON_RESULT_AMD of glGetPerfMonitorCounterDataAMD(), the current implementation will return 0 if the result is not available on HW, but according to the sepc, if cmd is PERFMON_RESULT_SIZE_AMD, <data> will contain actual size of all counter results being sampled, instead of 0. And if cmd is PERFMON_RESULT_AMD, <data> will contain results. The spec doesn't require the application to wait for the result available on HW before executing cmd PERFMON_RESULT_SIZE_AMD and PERFMON_RESULT_AMD. So for cmd PERFMON_RESULT_SIZE_AMD, it should immediately return the correct result size for the counters enabled by glSelectPerfMonitorCountersAMD(), and for cmd PERFMON_RESULT_AMD, it should wait until the result is available on HW and then return the result. Without this fix, the Sample Usage in the spec will not work properly as it always gets size 0 when calling the cmd PERFMON_RESULT_SIZE_AMD V2: If SelectPerfMonitorCountersAMD is called on a monitor, then the result of querying for PERFMON_RESULT_SIZE will be 0. Signed-off-by: Trigger Huang <Trigger.Huang@amd.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31179> |
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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.