Avoid performing the pathOp for clipped shadows if possible.
Bug: 64487466
Test: SystemUiJankTests#testRecentAppsFling
Change-Id: I2ca96bd6adba299cd31e12f005b2529c559740d2
diff --git a/libs/hwui/RenderNode.cpp b/libs/hwui/RenderNode.cpp
index 61b3876..36a7475 100644
--- a/libs/hwui/RenderNode.cpp
+++ b/libs/hwui/RenderNode.cpp
@@ -32,6 +32,7 @@
#include "protos/hwui.pb.h"
#include "protos/ProtoHelpers.h"
+#include <SkPathOps.h>
#include <algorithm>
#include <sstream>
#include <string>
@@ -555,5 +556,23 @@
}
}
+const SkPath* RenderNode::getClippedOutline(const SkRect& clipRect) const {
+ const SkPath* outlinePath = properties().getOutline().getPath();
+ const uint32_t outlineID = outlinePath->getGenerationID();
+
+ if (outlineID != mClippedOutlineCache.outlineID || clipRect != mClippedOutlineCache.clipRect) {
+ // update the cache keys
+ mClippedOutlineCache.outlineID = outlineID;
+ mClippedOutlineCache.clipRect = clipRect;
+
+ // update the cache value by recomputing a new path
+ SkPath clipPath;
+ clipPath.addRect(clipRect);
+ Op(*outlinePath, clipPath, kIntersect_SkPathOp, &mClippedOutlineCache.clippedOutline);
+
+ }
+ return &mClippedOutlineCache.clippedOutline;
+}
+
} /* namespace uirenderer */
} /* namespace android */