Initial HW layer support in new reorderer/renderer

Shares vast majority of clipped savelayer code, with only minor
differences in lifecycle.

Doesn't yet handle fill region, resize, or window transform.

Change-Id: Iabdd71811590d2b937eb11e1b01ce556ade54a5a

1 files changed, 53 insertions, 0 deletions

diff --git a/libs/hwui/LayerUpdateQueue.h b/libs/hwui/LayerUpdateQueue.h
new file mode 100644
index 000000000000..be612d2a15e7
--- /dev/null
+++ b/libs/hwui/LayerUpdateQueue.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef ANDROID_HWUI_LAYER_UPDATE_QUEUE_H
+#define ANDROID_HWUI_LAYER_UPDATE_QUEUE_H
+
+#include "Rect.h"
+#include "utils/Macros.h"
+
+#include <vector>
+#include <unordered_map>
+
+namespace android {
+namespace uirenderer {
+
+class RenderNode;
+
+class LayerUpdateQueue {
+    PREVENT_COPY_AND_ASSIGN(LayerUpdateQueue);
+public:
+    struct Entry {
+        Entry(RenderNode* renderNode, const Rect& damage)
+                : renderNode(renderNode)
+                , damage(damage) {}
+        RenderNode* renderNode;
+        Rect damage;
+    };
+
+    LayerUpdateQueue() {}
+    void enqueueLayerWithDamage(RenderNode* renderNode, Rect dirty);
+    void clear();
+    const std::vector<Entry> entries() const { return mEntries; }
+private:
+    std::vector<Entry> mEntries;
+};
+
+}; // namespace uirenderer
+}; // namespace android
+
+#endif // ANDROID_HWUI_LAYER_UPDATE_QUEUE_H