[webkit-reviews] review requested: [Bug 74352] [skia] Track a simple opaque area when painting via PlatformContextSkia and save in LayerTextureUpdater : [Attachment 121325] Patch

[bugzilla-daemon at webkit.org]

Dana Jansens <danakj at chromium.org> has asked  for review:
Bug 74352: [skia] Track a simple opaque area when painting via
PlatformContextSkia and save in LayerTextureUpdater
https://bugs.webkit.org/show_bug.cgi?id=74352

Attachment 121325: Patch
https://bugs.webkit.org/attachment.cgi?id=121325&action=review

------- Additional Comments from Dana Jansens <danakj at chromium.org>
More thorough first cut at detecting opaque-ness via PlatformContextSkia.

This patch takes strokes/lines into account (they may put alpha into pixels).
The unit test is beefed up to include lines, paths, ovals and image draws.