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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
commit | edbf3b6af777b721cd2a1ef461947e51e88241e1 (patch) | |
tree | f09427b843b192cccf8c3b5328cb81dddf6489fa /libs/surfaceflinger/LayerBuffer.h | |
parent | d5193d9394c5e58176d7bcdf50ef017f8a3b9e1e (diff) | |
download | frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.zip frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.tar.gz frameworks_native-edbf3b6af777b721cd2a1ef461947e51e88241e1.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'libs/surfaceflinger/LayerBuffer.h')
-rw-r--r-- | libs/surfaceflinger/LayerBuffer.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h new file mode 100644 index 0000000..2dc77f1 --- /dev/null +++ b/libs/surfaceflinger/LayerBuffer.h @@ -0,0 +1,216 @@ +/* + * 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_BUFFER_H +#define ANDROID_LAYER_BUFFER_H + +#include <stdint.h> +#include <sys/types.h> + +#include <utils/IMemory.h> +#include <private/ui/LayerState.h> +#include <EGL/eglnatives.h> + +#include "LayerBase.h" +#include "LayerBitmap.h" + +namespace android { + +// --------------------------------------------------------------------------- + +class MemoryDealer; +class Region; +class OverlayRef; + +class LayerBuffer : public LayerBaseClient +{ + class Source : public LightRefBase<Source> { + public: + Source(LayerBuffer& layer); + virtual ~Source(); + virtual void onDraw(const Region& clip) const; + virtual void onTransaction(uint32_t flags); + virtual void onVisibilityResolved(const Transform& planeTransform); + virtual void postBuffer(ssize_t offset); + virtual void unregisterBuffers(); + virtual bool transformed() const; + protected: + LayerBuffer& mLayer; + }; + + +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; } + + LayerBuffer(SurfaceFlinger* flinger, DisplayID display, + Client* client, int32_t i); + virtual ~LayerBuffer(); + + virtual bool needsBlending() const; + + virtual sp<LayerBaseClient::Surface> getSurface() const; + virtual void onDraw(const Region& clip) const; + virtual uint32_t doTransaction(uint32_t flags); + virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion); + virtual bool transformed() const; + + status_t registerBuffers(const ISurface::BufferHeap& buffers); + void postBuffer(ssize_t offset); + void unregisterBuffers(); + sp<OverlayRef> createOverlay(uint32_t w, uint32_t h, int32_t format); + + sp<Source> getSource() const; + sp<Source> clearSource(); + void setNeedsBlending(bool blending); + const Rect& getTransformedBounds() const { + return mTransformedBounds; + } + +private: + struct NativeBuffer { + copybit_image_t img; + copybit_rect_t crop; + }; + + class Buffer : public LightRefBase<Buffer> { + public: + Buffer(const ISurface::BufferHeap& buffers, ssize_t offset); + inline status_t getStatus() const { + return mBufferHeap.heap!=0 ? NO_ERROR : NO_INIT; + } + inline const NativeBuffer& getBuffer() const { + return mNativeBuffer; + } + protected: + friend class LightRefBase<Buffer>; + Buffer& operator = (const Buffer& rhs); + Buffer(const Buffer& rhs); + ~Buffer(); + private: + ISurface::BufferHeap mBufferHeap; + NativeBuffer mNativeBuffer; + }; + + class BufferSource : public Source { + public: + BufferSource(LayerBuffer& layer, const ISurface::BufferHeap& buffers); + virtual ~BufferSource(); + + status_t getStatus() const { return mStatus; } + sp<Buffer> getBuffer() const; + void setBuffer(const sp<Buffer>& buffer); + + virtual void onDraw(const Region& clip) const; + virtual void postBuffer(ssize_t offset); + virtual void unregisterBuffers(); + virtual bool transformed() const; + private: + mutable Mutex mLock; + sp<Buffer> mBuffer; + status_t mStatus; + ISurface::BufferHeap mBufferHeap; + size_t mBufferSize; + mutable sp<MemoryDealer> mTemporaryDealer; + mutable LayerBitmap mTempBitmap; + mutable GLuint mTextureName; + }; + + class OverlaySource : public Source { + public: + OverlaySource(LayerBuffer& layer, + sp<OverlayRef>* overlayRef, + uint32_t w, uint32_t h, int32_t format); + virtual ~OverlaySource(); + virtual void onTransaction(uint32_t flags); + virtual void onVisibilityResolved(const Transform& planeTransform); + private: + void serverDestroy(); + void destroyOverlay(); + class OverlayChannel : public BnOverlay { + mutable Mutex mLock; + sp<OverlaySource> mSource; + virtual void destroy() { + sp<OverlaySource> source; + { // scope for the lock; + Mutex::Autolock _l(mLock); + source = mSource; + mSource.clear(); + } + if (source != 0) { + source->serverDestroy(); + } + } + public: + OverlayChannel(const sp<OverlaySource>& source) + : mSource(source) { + } + }; + friend class OverlayChannel; + bool mVisibilityChanged; + + overlay_t* mOverlay; + overlay_handle_t mOverlayHandle; + overlay_control_device_t* mOverlayDevice; + uint32_t mWidth; + uint32_t mHeight; + int32_t mFormat; + int32_t mWidthStride; + int32_t mHeightStride; + mutable Mutex mLock; + }; + + + class SurfaceBuffer : public LayerBaseClient::Surface + { + public: + SurfaceBuffer(SurfaceID id, LayerBuffer* owner); + virtual ~SurfaceBuffer(); + virtual status_t onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags); + virtual status_t registerBuffers(const ISurface::BufferHeap& buffers); + virtual void postBuffer(ssize_t offset); + virtual void unregisterBuffers(); + virtual sp<OverlayRef> createOverlay( + uint32_t w, uint32_t h, int32_t format); + void disown(); + private: + LayerBuffer* getOwner() const { + Mutex::Autolock _l(mLock); + return mOwner; + } + mutable Mutex mLock; + LayerBuffer* mOwner; + }; + + friend class SurfaceFlinger; + sp<SurfaceBuffer> getClientSurface() const; + + mutable Mutex mLock; + sp<Source> mSource; + + bool mInvalidate; + bool mNeedsBlending; + mutable wp<SurfaceBuffer> mClientSurface; +}; + +// --------------------------------------------------------------------------- + +}; // namespace android + +#endif // ANDROID_LAYER_BUFFER_H |