Bug 144165 – Track a coverage rect through GraphicsLayerCA flushes, use it to mark backing store attached

• Component: New Bugs
• Status: RESOLVED FIXED

[Simon Fraser (smfr)]

Track a coverage rect through GraphicsLayerCA flushes, use it to mark backing store attached

[Simon Fraser (smfr)]

Created attachment 251580 [details]
Patch

[Simon Fraser (smfr)]

*** Bug 144163 has been marked as a duplicate of this bug. ***

[Dean Jackson]

Comment on attachment 251580 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=251580&action=review

> Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:1079
> +    FloatQuad coverageQuad(clipRect);
> +    state.setSecondaryQuad(&coverageQuad);

It's a bit weird that you have to make a local variable for this.

> Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:1217
> +            FloatQuad secondaryQuad(clipRectForSelf);
> +            state.setSecondaryQuad(&secondaryQuad);
> +        }

And this.

> Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:1245
> +        // FIXME: we need to take reflections into count when determining whether this layer intersects the coverage rect.

Typo: into account

> Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:1249
> +            maskLayer->m_uncommittedChanges |= coverageRectChanged;

you mean CoverageRectChanged not coverageRectChanged. I wonder if you could have tested for this.

[Build Bot]

Comment on attachment 251580 [details]
Patch

Attachment 251580 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.appspot.com/results/6491477047771136

New failing tests:
platform/mac-wk2/tiled-drawing/tile-coverage-after-scroll.html
platform/mac-wk2/tiled-drawing/visible-rect-content-inset.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-select-latched-select-with-handler.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-select-latched-mainframe-with-handler.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-div-latched-div-with-handler.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe.html
platform/mac-wk2/tiled-drawing/use-tiled-drawing.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-div-latched-mainframe-with-handler.html
platform/mac-wk2/tiled-drawing/tile-coverage-speculative.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-div-latched-div.html
platform/mac-wk2/tiled-drawing/tile-size-slow-zoomed.html
platform/mac-wk2/tiled-drawing/tiled-drawing-zoom-scrolled.html
platform/mac-wk2/tiled-drawing/tile-coverage-scroll-to-bottom.html
platform/mac-wk2/tiled-drawing/tiled-drawing-scroll-position-page-cache-restoration.html
platform/mac-wk2/tiled-drawing/scrolling/fixed/four-bars-zoomed.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-iframe-latched-iframe.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-select-latched-select.html
platform/mac-wk2/tiled-drawing/tile-coverage-after-scroll-speculative.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler.html
platform/mac-wk2/tiled-drawing/tile-coverage-slow-scrolling.html
platform/mac-wk2/tiled-drawing/simple-document-with-margin-tiles.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-iframe-latched-iframe-with-handler.html
platform/mac-wk2/tiled-drawing/scrolling/fast-scroll-div-latched-mainframe.html
platform/mac-wk2/tiled-drawing/tiled-drawing-zoom.html

[Build Bot]

Created attachment 251591 [details]
Archive of layout-test-results from ews106 for mac-mavericks-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews106  Port: mac-mavericks-wk2  Platform: Mac OS X 10.9.5

[Simon Fraser (smfr)]

https://trac.webkit.org/r183300

[Simon Fraser (smfr)]

Test fixes in https://trac.webkit.org/r183301