Accelerated canvas is slow on Mali-4 Linux |
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Issue descriptionChrome Version: 56 OS: Linux For a long time, accelerated canvas was disabled on Linux for stability reasons, and then enabled a few months back here: https://codereview.chromium.org/2254293002 With that CL, we found canvas performance dropped significantly (e.g. ~25% score drop on CanvasMark test) with Mali-4* GPUs.
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Feb 13 2017
Also flashes black frames randomly according to gfhuang@
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Feb 13 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/1ffa882da6a9795878cbdd6bba4542d0158298a9 commit 1ffa882da6a9795878cbdd6bba4542d0158298a9 Author: halliwell <halliwell@chromium.org> Date: Mon Feb 13 20:10:55 2017 Blacklist Mali-4* on Linux for accelerated 2d canvas Accelerated canvas is slow with this GPU on Linux. Blacklist for now. BUG=691601 CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel Review-Url: https://codereview.chromium.org/2697613002 Cr-Commit-Position: refs/heads/master@{#450060} [modify] https://crrev.com/1ffa882da6a9795878cbdd6bba4542d0158298a9/gpu/config/software_rendering_list_json.cc
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May 3 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/12e5f8a1b2d94ef823b88a01f5798a0cc8133a9b commit 12e5f8a1b2d94ef823b88a01f5798a0cc8133a9b Author: halliwell <halliwell@chromium.org> Date: Wed May 03 20:40:03 2017 Allow accelerated canvas on Mali Linux We blacklisted this before, but it seems at least on some systems, it's fast and works fine. We're going to ask any TVs having problems still to just use the command line switch to disable. BUG=691601 CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel Review-Url: https://codereview.chromium.org/2830403002 Cr-Commit-Position: refs/heads/master@{#469109} [modify] https://crrev.com/12e5f8a1b2d94ef823b88a01f5798a0cc8133a9b/gpu/config/software_rendering_list.json
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Aug 1
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Comment 1 by halliwell@chromium.org
, Feb 13 2017