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| author |  Yuqian Li <liyuqian@google.com> | 2017-08-31 16:38:01 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-09-01 15:03:47 +0000 |
| commit | 867017de0cd9d2104a291ddd6d6eef808edd82b6 (patch) | |
| tree | 8ac0ad063914fd657db2211f36d06f559af8cb2f /src/core/SkScan_DAAPath.cpp | |
| parent | 9d4c9296648e11d91354cab5570cdf1b0b2f91bc (diff) | |
Use SkSTArenaAlloc to handle the stack memory of the delta list
Bug: skia:
Change-Id: I5c98220498c71ced4565f492335cef2a372d0765
Reviewed-on: https://skia-review.googlesource.com/41743
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
Diffstat (limited to 'src/core/SkScan_DAAPath.cpp')
| -rw-r--r-- | src/core/SkScan_DAAPath.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/core/SkScan_DAAPath.cpp b/src/core/SkScan_DAAPath.cpp index de24e49bcd..4681fa1b59 100644 --- a/src/core/SkScan_DAAPath.cpp +++ b/src/core/SkScan_DAAPath.cpp @@ -346,7 +346,12 @@ void SkScan::DAAFillPath(const SkPath& path, const SkRegion& origClip, SkBlitter deltaMask.convertCoverageToAlpha(isEvenOdd, isInverse, isConvex); blitter->blitMask(deltaMask.prepareSkMask(), clippedIR); } else { - SkCoverageDeltaAllocator alloc; +#ifdef GOOGLE3 + constexpr int STACK_SIZE = 8 << 10; // 8K stack size alloc; Google3 has 16K limit. +#else + constexpr int STACK_SIZE = 64 << 10; // 64k stack size to avoid heap allocation +#endif + SkSTArenaAlloc<STACK_SIZE> alloc; // avoid heap allocation with SkSTArenaAlloc SkCoverageDeltaList deltaList(&alloc, clippedIR.fTop, clippedIR.fBottom, forceRLE); gen_alpha_deltas(path, *clipRgn, deltaList, blitter, skipRect, clipRect == nullptr); blitter->blitCoverageDeltas(&deltaList, clipBounds, isEvenOdd, isInverse, isConvex); |