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* simplify BlendTest.cppGravatar mtklein2015-11-17
| | | | | | | | | | | | | | - streamline the testing down to just byte multiplies (that's always where the blend algorithms vary) - add another approximate multiply (x*y+255)>>8 - add another variant of the perfect multiply, ((x*y+128)*257)>>16 I've realized ((x*y+128)*257)>>16 might be just as fast in SSE/NEON as our current (x*y+x)>>8 approximation. Good to be testing it here. BUG=skia: Review URL: https://codereview.chromium.org/1453043005
* Replace buggy_blend_modes GM with an exhaustive test.Gravatar mtklein2015-07-16
| | | | | | | | | | | | | | The new test is disabled by default, as it's quite slow. We can run it if we suspect problems by passing -x to DM. This test would have been failing before the bug fix, and now is passing. Assuming the Priv on the end means it's not considered public API... TBR=reed@google.com BUG=skia:4052 Review URL: https://codereview.chromium.org/1228333003
* BlendTest: implicit casts -> explicit castsGravatar commit-bot@chromium.org2014-02-26
| | | | | | | | | | | | | | BUG=skia: Committed: http://code.google.com/p/skia/source/detail?r=13595 R=reed@google.com, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/181503003 git-svn-id: http://skia.googlecode.com/svn/trunk@13602 2bbb7eff-a529-9590-31e7-b0007b416f81
* BlendTest: implicit casts -> explicit castsGravatar commit-bot@chromium.org2014-02-26
| | | | | | | | | | | BUG=skia: R=reed@google.com, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/181503003 git-svn-id: http://skia.googlecode.com/svn/trunk@13595 2bbb7eff-a529-9590-31e7-b0007b416f81
* Check in today's exhaustive blend experiments.Gravatar commit-bot@chromium.org2014-02-25
BUG=skia: R=reed@google.com, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/179733005 git-svn-id: http://skia.googlecode.com/svn/trunk@13588 2bbb7eff-a529-9590-31e7-b0007b416f81
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