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disable DAA by default

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This turns DAA off by default in Skia and in our tools,
while leaving it able to be turned back on if we want.

(There's at least one bot that does already.)

This setup keeps our default builds matching the behavior
of Chromium, Flutter, Android, Google3, and should prevent
anyone from accidentally falling into it.

Change-Id: Ia85f3dbe69c46cec0dac6b07fb5feb6e8b65d237
Reviewed-on: https://skia-review.googlesource.com/c/189580
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
This commit is contained in:
Mike Klein 2019-02-05 10:56:39 -05:00 committed by Skia Commit-Bot
parent 5b4f2d5364
commit 830ab79b26
2 changed files with 2 additions and 8 deletions
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2
src/core/SkScan.cpp
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@ -13,7 +13,7 @@
std::atomic<bool> gSkUseAnalyticAA{true};
std::atomic<bool> gSkForceAnalyticAA{false};
std::atomic<bool> gSkUseDeltaAA{true};
std::atomic<bool> gSkUseDeltaAA{false};
std::atomic<bool> gSkForceDeltaAA{false};
static inline void blitrect(SkBlitter* blitter, const SkIRect& r) {

8
tools/flags/SkCommonFlags.cpp
View File

@ -93,14 +93,8 @@ DEFINE_bool(forceAnalyticAA, false, "Force analytic anti-aliasing even if the pa
"whether it's concave or convex, we consider a path complicated"
"if its number of points is comparable to its resolution.");
#if (defined(_MSC_VER) && !defined(__clang__))
constexpr bool kDefaultDeltaAA = false;
#else
constexpr bool kDefaultDeltaAA = true;
#endif
DEFINE_bool(deltaAA, kDefaultDeltaAA,
DEFINE_bool(deltaAA, false,
"If true, use delta anti-aliasing in suitable cases (it overrides forceAnalyticAA.");
DEFINE_bool(forceDeltaAA, false, "Force delta anti-aliasing for all paths.");
DEFINE_int32(backendTiles, 3, "Number of tiles in the experimental threaded backend.");