http://art.muth.org/divergencefree.html renders incorrectly on Chromebit |
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Issue descriptionChrome Version: Chrome/63.0.3239.7 OS: ChromeOS on Chromebit What steps will reproduce the problem? (1) Run http://art.muth.org/divergencefree.html on Chromebit (2) Reload the page What is the expected result? Expect page to animate. What happens instead? Page doesn't animate. Based on discussion with the author of the page, it seems this is the same problem as Issue 658074 , where program binaries don't contain transform feedback varyings. Adding a driver bug workaround.
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Oct 27 2017
about:gpu from the device is attached.
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Oct 28 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/8219cd5474c893b9105825b2cf59971ad996997d commit 8219cd5474c893b9105825b2cf59971ad996997d Author: Kenneth Russell <kbr@chromium.org> Date: Sat Oct 28 00:06:43 2017 Disable program caching for transform feedback varyings on ChromeOS/Mali. Also cleaned up now-unnecessary comments at end of bug list JSON files. BUG=778871 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 Change-Id: I470b899505470b8894ae8628128fd2a4c4b97179 Reviewed-on: https://chromium-review.googlesource.com/741083 Commit-Queue: Kenneth Russell <kbr@chromium.org> Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> Reviewed-by: Zhenyao Mo <zmo@chromium.org> Cr-Commit-Position: refs/heads/master@{#512359} [modify] https://crrev.com/8219cd5474c893b9105825b2cf59971ad996997d/gpu/config/gpu_driver_bug_list.json [modify] https://crrev.com/8219cd5474c893b9105825b2cf59971ad996997d/gpu/config/software_rendering_list.json
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Oct 28 2017
Stéphane: let me assign this to you and downgrade it. If you have a chance to look at the Mali driver then perhaps we can fix this issue and maybe some others with transform feedback on this device. |
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Comment 1 by marc...@chromium.org
, Oct 27 2017