Bookmark menu fails to paint if it has more than 8 items that requires eliding. |
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Issue descriptionOriginal bug: crbug.com/911272 This is regression when GPU rasterization is enabled. This happens when you add more than 8 items that is long enough to require shader based eliding. It paints correctly if I remove the shader here: https://cs.chromium.org/chromium/src/ui/gfx/render_text.cc?rcl=b847f9c1759f900bc7183a4fe2084f3c68f53ab2&l=1309
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Jan 7
This stopped reproducing on 73. Enabling SingleProcessMash (http://crrev.com/badd8a0) seems to make the issue go away. James, do you have any idea what could be different that changes how we render text items in the bookmark menu?
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Jan 7
I don't think we're doing anything different with text raster in SingleProcessMash. Bookmark menus open a new views::Widget, which will now have 2 aura::Windows instead of 1 due to use of DesktopNativeWidgetAura instead of NativeWidgetAura, but I don't think that should change text labels. msw, any ideas here?
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Jan 7
I don't know enough about our GPU integration to offer any worthwhile ideas. Perhaps SingleProcessMash changes something about GPU raster? The shader usage likely also triggers a GPU operation. Can someone post a picture of the defect? The original bug doesn't seem to have a working screen cap.
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Jan 7
Some entries (above "m71.47 - Google Docs") are transparent.
The first entry above "m71.47 - Google Docs" seems to be partially transparent, there is some text in bold ("- Point bugs logged/updated").
Hovering with the cursor on top of them will fix the issue.
This happened only after we enabled GPU rasterization.
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Jan 8
Skia unit tests pass on the device. No crashes were observed while drawing gms either. Here are the output of those gms. https://drive.google.com/file/d/1Y_3hn3i6PM8brYYN1KrMYzac4CQXh_HM/view?usp=sharing
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Jan 9
I compared the gm output to the images generated by my linux box. I don't see any egregious differences that might be related to the bug.
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Jan 9
AFAICT this is the mali t624, midgard 2nd gen...but we're having trouble finding any lower level GPU rendering issues thus far. |
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Comment 1 by osh...@chromium.org
, Dec 11