Deep copy SkPath parameter to PathCache task

bug:15440706
Change-Id: I2b5b25f620df838cb1155cc8502d86ad3644c212

2 files changed, 8 insertions, 5 deletions

diff --git a/libs/hwui/PathCache.cpp b/libs/hwui/PathCache.cpp
index 97eb583..ae48608 100644
--- a/libs/hwui/PathCache.cpp
+++ b/libs/hwui/PathCache.cpp
@@ -338,7 +338,7 @@ void PathCache::PathProcessor::onProcess(const sp<Task<SkBitmap*> >& task) {
 
     float left, top, offset;
     uint32_t width, height;
-    PathCache::computePathBounds(t->path, &t->paint, left, top, offset, width, height);
+    PathCache::computePathBounds(&t->path, &t->paint, left, top, offset, width, height);
 
     PathTexture* texture = t->texture;
     texture->left = left;
@@ -349,7 +349,7 @@ void PathCache::PathProcessor::onProcess(const sp<Task<SkBitmap*> >& task) {
 
     if (width <= mMaxTextureSize && height <= mMaxTextureSize) {
         SkBitmap* bitmap = new SkBitmap();
-        drawPath(t->path, &t->paint, *bitmap, left, top, offset, width, height);
+        drawPath(&t->path, &t->paint, *bitmap, left, top, offset, width, height);
         t->setResult(bitmap);
     } else {
         texture->width = 0;
diff --git a/libs/hwui/PathCache.h b/libs/hwui/PathCache.h
index eee138b..bc34188 100644
--- a/libs/hwui/PathCache.h
+++ b/libs/hwui/PathCache.h
@@ -272,15 +272,18 @@ private:
     class PathTask: public Task<SkBitmap*> {
     public:
         PathTask(const SkPath* path, const SkPaint* paint, PathTexture* texture):
-            path(path), paint(*paint), texture(texture) {
+            path(*path), paint(*paint), texture(texture) {
         }
 
         ~PathTask() {
             delete future()->get();
         }
 
-        const SkPath* path;
-        //copied, since input paint may not be immutable
+        // copied, since input path not refcounted / guaranteed to survive for duration of task
+        // TODO: avoid deep copy with refcounting
+        const SkPath path;
+
+        // copied, since input paint may not be immutable
         const SkPaint paint;
         PathTexture* texture;
     };