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| author |  robertphillips <robertphillips@google.com> | 2014-06-09 07:59:25 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2014-06-09 07:59:25 -0700 |
| commit | 4cbf8e3dce10ef0d06e5ef95ea88b084bbad2553 (patch) | |
| tree | e9c1d6a360236b3eea3d1cba83bd5f1d6cc30456 /src/gpu/GrRectanizer_skyline.cpp | |
| parent | b6b02526438d6839481fb40ccf610d28f7652397 (diff) | |
Add some comments to GrRectanizer_skyline
R=jvanverth@google.com
Author: robertphillips@google.com
Review URL: https://codereview.chromium.org/324693002
Diffstat (limited to 'src/gpu/GrRectanizer_skyline.cpp')
| -rwxr-xr-x | src/gpu/GrRectanizer_skyline.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gpu/GrRectanizer_skyline.cpp b/src/gpu/GrRectanizer_skyline.cpp index b759cb22ac..44da1c326a 100755 --- a/src/gpu/GrRectanizer_skyline.cpp +++ b/src/gpu/GrRectanizer_skyline.cpp @@ -81,8 +81,9 @@ void GrRectanizerSkyline::addSkylineLevel(int skylineIndex, int x, int y, int wi SkASSERT(newSegment.fX + newSegment.fWidth <= this->width()); SkASSERT(newSegment.fY <= this->height()); - // delete width of this skyline segment from following ones + // delete width of the new skyline segment from following ones for (int i = skylineIndex+1; i < fSkyline.count(); ++i) { + // The new segment subsumes all or part of fSkyline[i] SkASSERT(fSkyline[i-1].fX <= fSkyline[i].fX); if (fSkyline[i].fX < fSkyline[i-1].fX + fSkyline[i-1].fWidth) { @@ -92,9 +93,11 @@ void GrRectanizerSkyline::addSkylineLevel(int skylineIndex, int x, int y, int wi fSkyline[i].fWidth -= shrink; if (fSkyline[i].fWidth <= 0) { + // fully consumed fSkyline.remove(i); --i; } else { + // only partially consumed break; } } else { |