Added support for antialiased canvas clipping

Updated native hwui implementation to pass in
optional anti-alias flag to canvas clipping operations.
Made the default behavior to enable canvas clipping

Bug: 69115461
Test: Added test to CtsUiRenderingTestCases
Change-Id: I996f4b56e161cdc9f1ec5eba9c30f94474520af5

1 files changed, 7 insertions, 4 deletions

diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index 23140724ef64..7c49a1d653b7 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -217,13 +217,16 @@ public:
         canvas->setMatrix(mMatrix);
         switch (mType) {
             case Type::Rect:
-                canvas->clipRect(mRRect.rect(), mOp);
+                // Don't anti-alias rectangular clips
+                canvas->clipRect(mRRect.rect(), mOp, false);
                 break;
             case Type::RRect:
-                canvas->clipRRect(mRRect, mOp);
+                // Ensure rounded rectangular clips are anti-aliased
+                canvas->clipRRect(mRRect, mOp, true);
                 break;
             case Type::Path:
-                canvas->clipPath(mPath.value(), mOp);
+                // Ensure path clips are anti-aliased
+                canvas->clipPath(mPath.value(), mOp, true);
                 break;
         }
     }
@@ -392,7 +395,7 @@ bool SkiaCanvas::clipRect(float left, float top, float right, float bottom, SkCl
 
 bool SkiaCanvas::clipPath(const SkPath* path, SkClipOp op) {
     this->recordClip(*path, op);
-    mCanvas->clipPath(*path, op);
+    mCanvas->clipPath(*path, op, true);
     return !mCanvas->isClipEmpty();
 }