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path: root/gm/blurcircles2.cpp
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* Replace a lot of 'static const' with 'constexpr' or 'const'.Gravatar mtklein2016-09-01
| | | | | | | | | | | | | | | | | | | | | | | 'static const' means, there must be at most one of these, and initialize it at compile time if possible or runtime if necessary. This leads to unexpected code execution, and TSAN* will complain about races on the guard variables. Generally 'constexpr' or 'const' are better choices. Neither can cause races: they're either intialized at compile time (constexpr) or intialized each time independently (const). This CL prefers constexpr where possible, and uses const where not. It even prefers constexpr over const where they don't make a difference... I want to have lots of examples of constexpr for people to see and mimic. The scoped-to-class static has nothing to do with any of this, and is not changed. * Not yet on the bots, which use an older TSAN. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2300623005 Review-Url: https://codereview.chromium.org/2300623005
* Make blurcircles2 run as a benchmark.Gravatar bsalomon2016-05-16
| | | | | | | | | In bench mode it does not draw the comparison paths (or line separators). It also randomly perturbs the blur and circle radii to avoid trivially hitting the same cache entries and each repetition. BUG=skia:5224 GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1985713002 Review-Url: https://codereview.chromium.org/1985713002
* Add blurcircles2 GMGravatar bsalomon2016-05-13
In GM mode this draws an array of circles with different radii and different blur radii. Below each circle an almost-circle path is drawn with the same blur filter for comparison. In Sample mode this draws a single circle and almost-circle with animating radius and blur radius. BUG=skia:5224 GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1974353003 Review-Url: https://codereview.chromium.org/1974353003