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Diffstat (limited to 'libs/surfaceflinger/Layer.h')
-rw-r--r-- | libs/surfaceflinger/Layer.h | 120 |
1 files changed, 120 insertions, 0 deletions
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 |