315 lines
11 KiB
C++
315 lines
11 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_LAYER_BUFFER_H
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#define ANDROID_LAYER_BUFFER_H
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#include <stdint.h>
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#include <sys/types.h>
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#include "LayerBase.h"
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#include "TextureManager.h"
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#include "PostBufLock.h"
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struct copybit_device_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class Buffer;
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class Region;
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class OverlayRef;
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// ---------------------------------------------------------------------------
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/* Interface being called after Queuing buffer to overlay in case of
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* waitVsync=true, or after swap being called in case of waitVsync=false */
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class IOnQueueBuf{
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public:
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virtual void onQueueBuf() {}
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virtual void setDirtyQueueSignal() {}
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protected:
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virtual ~IOnQueueBuf(){}
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};
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class LayerBuffer : public LayerBaseClient, public IOnQueueBuf
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{
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class Source : public LightRefBase<Source>, public IOnQueueBuf {
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public:
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Source(LayerBuffer& layer);
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virtual ~Source();
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virtual void onDraw(const Region& clip) const;
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virtual status_t drawWithOverlay(const Region& clip,
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bool hdmiConnected, bool waitVsync = true) const;
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virtual status_t drawWithOverlayReconfigure(const Region& clip,
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bool hdmiConnected, bool waitVsync = true) const;
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virtual void onTransaction(uint32_t flags);
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virtual void onVisibilityResolved(const Transform& planeTransform);
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virtual void onvalidateVisibility(const Transform& globalTransform) { }
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virtual void postBuffer(ssize_t offset);
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virtual void unregisterBuffers(bool isReconfiguring = false);
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virtual void destroy() { }
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SurfaceFlinger* getFlinger() const { return mLayer.mFlinger.get(); }
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protected:
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LayerBuffer& mLayer;
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};
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public:
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LayerBuffer(SurfaceFlinger* flinger, DisplayID display,
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const sp<Client>& client);
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virtual ~LayerBuffer();
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virtual void onFirstRef();
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virtual bool needsBlending() const;
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virtual const char* getTypeId() const { return "LayerBuffer"; }
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virtual sp<LayerBaseClient::Surface> createSurface() const;
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virtual status_t ditch();
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virtual void onDraw(const Region& clip) const;
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virtual void drawForSreenShot() const;
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virtual status_t drawWithOverlay(const Region& clip,
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bool hdmiConnected, bool waitVsync = true) const;
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virtual uint32_t doTransaction(uint32_t flags);
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virtual void unlockPageFlip(const Transform& planeTransform, Region& outDirtyRegion);
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virtual void validateVisibility(const Transform& globalTransform);
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status_t registerBuffers(const ISurface::BufferHeap& buffers);
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void postBuffer(ssize_t offset);
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void reconfigureBuffers();
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void unregisterBuffers();
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bool isReconfiguring() const { return mIsReconfiguring; }
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sp<OverlayRef> createOverlay(uint32_t w, uint32_t h, int32_t format,
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int32_t orientation);
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sp<Source> getSource() const;
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sp<Source> clearSource();
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void setNeedsBlending(bool blending);
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Rect getTransformedBounds() const {
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return mTransformedBounds;
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}
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void serverDestroy();
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/* pass through to buffer source. See BufferSource for details */
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virtual void onQueueBuf();
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/* pass through to buffer source. See BufferSource for details */
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virtual void setDirtyQueueSignal();
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void setVisualParam(int8_t paramType, float paramValue);
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void setVisualParamType(int8_t paramType);
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void setVisualParamValue(float paramValue);
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int8_t getVisualParamType() const;
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float getVisualParamValue() const;
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private:
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int8_t mVisualParamType;
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float mVisualParamValue;
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struct NativeBuffer {
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copybit_image_t img;
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copybit_rect_t crop;
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int hor_stride;
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int ver_stride;
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};
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typedef enum { RECONFIG_BUFFER_GO, RECONFIG_BUFFER_BLOCK } reconfigBufState_t;
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void wait(Mutex & m, Condition& c, reconfigBufState_t& s);
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void resetReconfigStatus() const;
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static gralloc_module_t const* sGrallocModule;
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static gralloc_module_t const* getGrallocModule() {
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return sGrallocModule;
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}
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class Buffer : public LightRefBase<Buffer> {
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public:
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struct Offset{
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Offset(ssize_t offset) : mOffset(offset), mOrigin(POST_BUFFER) {}
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ssize_t mOffset;
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operator ssize_t() const { return mOffset; }
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enum { POST_BUFFER, EVENT_LOOP } mOrigin;
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};
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Buffer(const ISurface::BufferHeap& buffers,
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ssize_t offset, size_t bufferSize);
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inline status_t getStatus() const {
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return mBufferHeap.heap!=0 ? NO_ERROR : NO_INIT;
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}
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inline NativeBuffer& getBuffer() {
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return mNativeBuffer;
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}
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/* return the current offset */
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Offset& getCurrOffset() { return mCurrOffset; }
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const Offset& getCurrOffset() const { return mCurrOffset; }
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protected:
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friend class LightRefBase<Buffer>;
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Buffer& operator = (const Buffer& rhs);
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Buffer(const Buffer& rhs);
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~Buffer();
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private:
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ISurface::BufferHeap mBufferHeap;
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NativeBuffer mNativeBuffer;
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Offset mCurrOffset;
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};
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class BufferSource : public Source {
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public:
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BufferSource(LayerBuffer& layer, const ISurface::BufferHeap& buffers);
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virtual ~BufferSource();
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status_t getStatus() const { return mStatus; }
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sp<Buffer> getBuffer() const;
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void setBuffer(const sp<Buffer>& buffer);
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virtual void onDraw(const Region& clip) const;
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virtual status_t drawWithOverlay(const Region& clip,
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bool hdmiConnected, bool waitVsync = true) const;
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virtual status_t drawWithOverlayReconfigure(const Region& clip,
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bool hdmiConnected, bool waitVsync = true) const;
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virtual void postBuffer(ssize_t offset);
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virtual void unregisterBuffers(bool isReconfiguring = false);
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virtual void destroy() { }
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/* OnBufferQ is called from drawWithOverlay, or after egl swap,
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* when buffs are queued to Overlay.
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* Usecases: When waitVsync==true it means WAIT==true in
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* liboverlay and it is safe to invoke OnBufferQ immediately
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* after return from QueueBuf.
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* When waitVsync==false it means WAIT==false and we are going to have
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* that call invoked only after swap. */
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virtual void onQueueBuf();
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/*
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* Set dirty queue signal bit so when onQueueBuf is being called, it will
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* transit the machine state to GO (non blocking postBuf) */
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virtual void setDirtyQueueSignal() { mDirtyQueueBit = true; }
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private:
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status_t initTempBuffer() const;
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void clearTempBufferImage() const;
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mutable Mutex mBufferSourceLock;
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sp<Buffer> mBuffer;
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status_t mStatus;
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ISurface::BufferHeap mBufferHeap;
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size_t mBufferSize;
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mutable Texture mTexture;
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mutable NativeBuffer mTempBuffer;
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mutable TextureManager mTextureManager;
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mutable int mUseEGLImageDirectly;
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mutable int mNeedConversion;
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/* PostBuf Lock/Cond and state is being used in postBuffer function to
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* avoid video renderer (or any client of that LayerBuffer/ISurface) to
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* call postBuffer w/o LayerBuffer flow controlling the frequency of
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* that call. w/o controlling it, setBuffer override a used buffer
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* might create video artifacts.
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* */
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Mutex mPostBufLock;
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Condition mPostBufCond;
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PostBufPolicyBase::postBufState_t mPostBufState;
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// To avoid signaling twice in a raw with the same offset
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// FIXME mutable because DWO is const
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mutable ssize_t mPrevOffset;
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mutable bool mDirtyQueueBit;
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};
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class OverlaySource : public Source {
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public:
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OverlaySource(LayerBuffer& layer,
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sp<OverlayRef>* overlayRef,
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uint32_t w, uint32_t h, int32_t format, int32_t orientation);
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virtual ~OverlaySource();
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virtual void onDraw(const Region& clip) const;
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virtual void onTransaction(uint32_t flags);
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virtual void onVisibilityResolved(const Transform& planeTransform);
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virtual void onvalidateVisibility(const Transform& globalTransform);
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virtual void destroy();
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private:
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class OverlayChannel : public BnOverlay {
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wp<LayerBuffer> mLayer;
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virtual void destroy() {
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sp<LayerBuffer> layer(mLayer.promote());
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if (layer != 0) {
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layer->serverDestroy();
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}
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}
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public:
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OverlayChannel(const sp<LayerBuffer>& layer)
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: mLayer(layer) {
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}
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};
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friend class OverlayChannel;
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bool mVisibilityChanged;
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overlay_t* mOverlay;
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overlay_handle_t mOverlayHandle;
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overlay_control_device_t* mOverlayDevice;
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uint32_t mWidth;
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uint32_t mHeight;
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int32_t mFormat;
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int32_t mWidthStride;
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int32_t mHeightStride;
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int32_t mOrientation;
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int32_t mFlip;
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int32_t mHDMIEnabled;
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mutable Mutex mOverlaySourceLock;
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bool mInitialized;
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};
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class SurfaceLayerBuffer : public LayerBaseClient::Surface
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{
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public:
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SurfaceLayerBuffer(const sp<SurfaceFlinger>& flinger,
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const sp<LayerBuffer>& owner);
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virtual ~SurfaceLayerBuffer();
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virtual status_t registerBuffers(const ISurface::BufferHeap& buffers);
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virtual void postBuffer(ssize_t offset);
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virtual void reconfigureBuffers();
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virtual void unregisterBuffers();
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virtual sp<OverlayRef> createOverlay(
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uint32_t w, uint32_t h, int32_t format, int32_t orientation);
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private:
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sp<LayerBuffer> getOwner() const {
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return static_cast<LayerBuffer*>(Surface::getOwner().get());
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}
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};
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mutable Mutex mLock;
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mutable Mutex mReconfigMutex;
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Condition mReconfigCond;
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mutable reconfigBufState_t mReconfigStatus;
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sp<Source> mSource;
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sp<Surface> mSurface;
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bool mInvalidate;
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bool mNeedsBlending;
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mutable bool mIsReconfiguring;
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copybit_device_t* mBlitEngine;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_LAYER_BUFFER_H
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