auto import from //depot/cupcake/@135843
diff --git a/libs/surfaceflinger/Layer.h b/libs/surfaceflinger/Layer.h
new file mode 100644
index 0000000..2867f2b
--- /dev/null
+++ b/libs/surfaceflinger/Layer.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2007 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_LAYER_H
+#define ANDROID_LAYER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <ui/PixelFormat.h>
+
+#include <private/ui/SharedState.h>
+#include <private/ui/LayerState.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+#include "LayerBitmap.h"
+#include "LayerBase.h"
+#include "Transform.h"
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class Client;
+class LayerBitmap;
+class MemoryDealer;
+class FreezeLock;
+
+// ---------------------------------------------------------------------------
+
+class Layer : public LayerBaseClient
+{
+public:
+ static const uint32_t typeInfo;
+ static const char* const typeID;
+ virtual char const* getTypeID() const { return typeID; }
+ virtual uint32_t getTypeInfo() const { return typeInfo; }
+
+ Layer(SurfaceFlinger* flinger, DisplayID display,
+ Client* c, int32_t i);
+
+ virtual ~Layer();
+
+ inline PixelFormat pixelFormat() const {
+ return frontBuffer().pixelFormat();
+ }
+
+ status_t setBuffers( Client* client,
+ uint32_t w, uint32_t h,
+ PixelFormat format, uint32_t flags=0);
+
+ virtual void onDraw(const Region& clip) const;
+ virtual void initStates(uint32_t w, uint32_t h, uint32_t flags);
+ virtual void setSizeChanged(uint32_t w, uint32_t h);
+ virtual uint32_t doTransaction(uint32_t transactionFlags);
+ virtual Point getPhysicalSize() const;
+ virtual void lockPageFlip(bool& recomputeVisibleRegions);
+ virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
+ virtual void finishPageFlip();
+ virtual bool needsBlending() const { return mNeedsBlending; }
+ virtual bool isSecure() const { return mSecure; }
+ virtual GLuint getTextureName() const { return mTextureName; }
+ virtual sp<Surface> getSurface() const;
+
+ const LayerBitmap& getBuffer(int i) const { return mBuffers[i]; }
+ LayerBitmap& getBuffer(int i) { return mBuffers[i]; }
+
+ // only for debugging
+ const sp<FreezeLock>& getFreezeLock() const { return mFreezeLock; }
+
+private:
+ inline const LayerBitmap&
+ frontBuffer() const { return getBuffer(mFrontBufferIndex); }
+ inline LayerBitmap&
+ frontBuffer() { return getBuffer(mFrontBufferIndex); }
+ inline const LayerBitmap&
+ backBuffer() const { return getBuffer(1-mFrontBufferIndex); }
+ inline LayerBitmap&
+ backBuffer() { return getBuffer(1-mFrontBufferIndex); }
+
+ void reloadTexture(const Region& dirty);
+
+ status_t resize(int32_t index, uint32_t w, uint32_t h, const char* what);
+ Region post(uint32_t* oldState, bool& recomputeVisibleRegions);
+ status_t reallocateBuffer(int32_t index, uint32_t w, uint32_t h);
+
+ sp<Surface> mSurface;
+
+ bool mSecure;
+ LayerBitmap mBuffers[2];
+ int32_t mFrontBufferIndex;
+ bool mNeedsBlending;
+ bool mResizeTransactionDone;
+ Region mPostedDirtyRegion;
+ sp<FreezeLock> mFreezeLock;
+
+ GLuint mTextureName;
+ GLuint mTextureWidth;
+ GLuint mTextureHeight;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_LAYER_H