Fix the fat rect bug in the threaded backend

Bug: skia:7813
Change-Id: I954232be1dccc63ce412ccde92c4f0e4617317b9
Reviewed-on: https://skia-review.googlesource.com/121641
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/gm/aaa.cpp b/gm/aaa.cpp
index 910ce19988..b2fc6337d9 100644
--- a/gm/aaa.cpp
+++ b/gm/aaa.cpp
@@ -44,6 +44,7 @@ protected:
 
         y += 200;
 
+        canvas->save();
         canvas->translate(0, y);
         canvas->rotate(1);
         canvas->drawRect({ 20, 20, 20.2f, 200 }, p);
@@ -78,6 +79,7 @@ protected:
 
         // skbug.com/7573
         y += 200;
+        canvas->save();
         canvas->translate(0, y);
         p.setAntiAlias(true);
         path.reset();
@@ -87,6 +89,15 @@ protected:
         path.lineTo(1.93990216f, 10.5837256f);
         canvas->drawPath(path, p);
         canvas->restore();
+
+        // skbug.com/7813
+        // t8888 splits the 800-high canvas into 3 pieces; the boundary is close to 266 and 534
+        path.reset();
+        path.moveTo(700, 266);
+        path.lineTo(710, 266);
+        path.lineTo(710, 534);
+        path.lineTo(700, 534);
+        canvas->drawPath(path, p);
     }
 
 private: