Add rounded rects and circles support to OpenGLRenderer.

Change-Id: I6cedf2b495d58de7c0437096809fa9e4518a1b8c
diff --git a/libs/hwui/ShapeCache.cpp b/libs/hwui/ShapeCache.cpp
new file mode 100644
index 0000000..ffa18e3
--- /dev/null
+++ b/libs/hwui/ShapeCache.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "OpenGLRenderer"
+
+#include "ShapeCache.h"
+
+namespace android {
+namespace uirenderer {
+
+RoundRectShapeCache::RoundRectShapeCache(): ShapeCache<RoundRectShapeCacheEntry>() {
+}
+
+PathTexture* RoundRectShapeCache::getRoundRect(float width, float height,
+        float rx, float ry, SkPaint* paint) {
+    RoundRectShapeCacheEntry entry(width, height, rx, ry, paint);
+    PathTexture* texture = get(entry);
+
+    if (!texture) {
+        SkPath path;
+        SkRect r;
+        r.set(0.0f, 0.0f, width, height);
+        path.addRoundRect(r, rx, ry, SkPath::kCW_Direction);
+
+        texture = addTexture(entry, &path, paint);
+    }
+
+    return texture;
+}
+
+CircleShapeCache::CircleShapeCache(): ShapeCache<CircleShapeCacheEntry>() {
+}
+
+PathTexture* CircleShapeCache::getCircle(float radius, SkPaint* paint) {
+    CircleShapeCacheEntry entry(radius, paint);
+    PathTexture* texture = get(entry);
+
+    if (!texture) {
+        SkPath path;
+        path.addCircle(radius, radius, radius, SkPath::kCW_Direction);
+
+        texture = addTexture(entry, &path, paint);
+    }
+
+    return texture;
+}
+
+}; // namespace uirenderer
+}; // namespace android