phoenix-firestorm/indra/newview/lltexturefetch.h

447 lines
13 KiB
C++

/**
* @file lltexturefetch.h
* @brief Object for managing texture fetches.
*
* $LicenseInfo:firstyear=2000&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLTEXTUREFETCH_H
#define LL_LLTEXTUREFETCH_H
#include "lldir.h"
#include "llimage.h"
#include "lluuid.h"
#include "llworkerthread.h"
#include "llcurl.h"
#include "lltextureinfo.h"
#include "llapr.h"
#include "llimageworker.h"
//#include "lltexturecache.h"
class LLViewerTexture;
class LLTextureFetchWorker;
class HTTPGetResponder;
class LLImageDecodeThread;
class LLHost;
class LLViewerAssetStats;
class LLTextureFetchDebugger;
class LLTextureCache;
// Interface class
class LLTextureFetch : public LLWorkerThread
{
friend class LLTextureFetchWorker;
friend class HTTPGetResponder;
public:
LLTextureFetch(LLTextureCache* cache, LLImageDecodeThread* imagedecodethread, bool threaded, bool qa_mode);
~LLTextureFetch();
class TFRequest;
/*virtual*/ S32 update(F32 max_time_ms);
void shutDownTextureCacheThread() ; //called in the main thread after the TextureCacheThread shuts down.
void shutDownImageDecodeThread() ; //called in the main thread after the ImageDecodeThread shuts down.
bool createRequest(const std::string& url, const LLUUID& id, const LLHost& host, F32 priority,
S32 w, S32 h, S32 c, S32 discard, bool needs_aux, bool can_use_http);
void deleteRequest(const LLUUID& id, bool cancel);
void deleteAllRequests();
bool getRequestFinished(const LLUUID& id, S32& discard_level,
LLPointer<LLImageRaw>& raw, LLPointer<LLImageRaw>& aux);
bool updateRequestPriority(const LLUUID& id, F32 priority);
bool receiveImageHeader(const LLHost& host, const LLUUID& id, U8 codec, U16 packets, U32 totalbytes, U16 data_size, U8* data);
bool receiveImagePacket(const LLHost& host, const LLUUID& id, U16 packet_num, U16 data_size, U8* data);
void setTextureBandwidth(F32 bandwidth) { mTextureBandwidth = bandwidth; }
F32 getTextureBandwidth() { return mTextureBandwidth; }
// Debug
BOOL isFromLocalCache(const LLUUID& id);
S32 getFetchState(const LLUUID& id, F32& decode_progress_p, F32& requested_priority_p,
U32& fetch_priority_p, F32& fetch_dtime_p, F32& request_dtime_p, bool& can_use_http);
void dump();
S32 getNumRequests() ;
// Public for access by callbacks
S32 getPending();
void lockQueue() { mQueueMutex.lock(); }
void unlockQueue() { mQueueMutex.unlock(); }
LLTextureFetchWorker* getWorker(const LLUUID& id);
LLTextureFetchWorker* getWorkerAfterLock(const LLUUID& id);
LLTextureInfo* getTextureInfo() { return &mTextureInfo; }
// Commands available to other threads to control metrics gathering operations.
void commandSetRegion(U64 region_handle);
void commandSendMetrics(const std::string & caps_url,
const LLUUID & session_id,
const LLUUID & agent_id,
LLViewerAssetStats * main_stats);
void commandDataBreak();
LLCurlTextureRequest & getCurlRequest() { return *mCurlGetRequest; }
bool isQAMode() const { return mQAMode; }
// Curl POST counter maintenance
inline void incrCurlPOSTCount() { mCurlPOSTRequestCount++; }
inline void decrCurlPOSTCount() { mCurlPOSTRequestCount--; }
protected:
void addToNetworkQueue(LLTextureFetchWorker* worker);
void removeFromNetworkQueue(LLTextureFetchWorker* worker, bool cancel);
void addToHTTPQueue(const LLUUID& id);
void removeRequest(LLTextureFetchWorker* worker, bool cancel);
// Overrides from the LLThread tree
bool runCondition();
private:
void sendRequestListToSimulators();
/*virtual*/ void startThread(void);
/*virtual*/ void endThread(void);
/*virtual*/ void threadedUpdate(void);
void commonUpdate();
// Metrics command helpers
/**
* Enqueues a command request at the end of the command queue
* and wakes up the thread as needed.
*
* Takes ownership of the TFRequest object.
*
* Method locks the command queue.
*/
void cmdEnqueue(TFRequest *);
/**
* Returns the first TFRequest object in the command queue or
* NULL if none is present.
*
* Caller acquires ownership of the object and must dispose of it.
*
* Method locks the command queue.
*/
TFRequest * cmdDequeue();
/**
* Processes the first command in the queue disposing of the
* request on completion. Successive calls are needed to perform
* additional commands.
*
* Method locks the command queue.
*/
void cmdDoWork();
public:
LLUUID mDebugID;
S32 mDebugCount;
BOOL mDebugPause;
S32 mPacketCount;
S32 mBadPacketCount;
private:
LLMutex mQueueMutex; //to protect mRequestMap and mCommands only
LLMutex mNetworkQueueMutex; //to protect mNetworkQueue, mHTTPTextureQueue and mCancelQueue.
static LLStat sCacheHitRate;
static LLStat sCacheReadLatency;
LLTextureCache* mTextureCache;
LLImageDecodeThread* mImageDecodeThread;
LLCurlTextureRequest* mCurlGetRequest;
// Map of all requests by UUID
typedef std::map<LLUUID,LLTextureFetchWorker*> map_t;
map_t mRequestMap;
// Set of requests that require network data
typedef std::set<LLUUID> queue_t;
queue_t mNetworkQueue;
queue_t mHTTPTextureQueue;
typedef std::map<LLHost,std::set<LLUUID> > cancel_queue_t;
cancel_queue_t mCancelQueue;
F32 mTextureBandwidth;
F32 mMaxBandwidth;
LLTextureInfo mTextureInfo;
// Out-of-band cross-thread command queue. This command queue
// is logically tied to LLQueuedThread's list of
// QueuedRequest instances and so must be covered by the
// same locks.
typedef std::vector<TFRequest *> command_queue_t;
command_queue_t mCommands;
// If true, modifies some behaviors that help with QA tasks.
const bool mQAMode;
// Count of POST requests outstanding. We maintain the count
// indirectly in the CURL request responder's ctor and dtor and
// use it when determining whether or not to sleep the thread. Can't
// use the LLCurl module's request counter as it isn't thread compatible.
// *NOTE: Don't mix Atomic and static, apr_initialize must be called first.
LLAtomic32<S32> mCurlPOSTRequestCount;
public:
// A probabilistically-correct indicator that the current
// attempt to log metrics follows a break in the metrics stream
// reporting due to either startup or a problem POSTing data.
static volatile bool svMetricsDataBreak;
public:
//debug use
enum e_tex_source
{
FROM_ALL = 0,
FROM_HTTP_ONLY,
INVALID_SOURCE
};
private:
//debug use
LLTextureFetchDebugger* mFetchDebugger;
bool mFetcherLocked;
e_tex_source mFetchSource;
e_tex_source mOriginFetchSource;
public:
//debug use
LLTextureFetchDebugger* getFetchDebugger() { return mFetchDebugger;}
void lockFetcher(bool lock) { mFetcherLocked = lock;}
void setLoadSource(e_tex_source source) {mFetchSource = source;}
void resetLoadSource() {mFetchSource = mOriginFetchSource;}
bool canLoadFromCache() { return mFetchSource != FROM_HTTP_ONLY;}
};
//debug use
class LLViewerFetchedTexture;
class LLTextureFetchDebugger
{
friend class LLTextureFetch;
public:
LLTextureFetchDebugger(LLTextureFetch* fetcher, LLTextureCache* cache, LLImageDecodeThread* imagedecodethread) ;
~LLTextureFetchDebugger();
public:
enum e_debug_state
{
IDLE = 0,
START_DEBUG,
READ_CACHE,
WRITE_CACHE,
DECODING,
HTTP_FETCHING,
GL_TEX,
REFETCH_VIS_CACHE,
REFETCH_VIS_HTTP,
REFETCH_ALL_CACHE,
REFETCH_ALL_HTTP,
INVALID
};
private:
struct FetchEntry
{
enum e_curl_state
{
CURL_NOT_DONE = 0,
CURL_IN_PROGRESS,
CURL_DONE
};
LLUUID mID;
S32 mRequestedSize;
S32 mDecodedLevel;
S32 mFetchedSize;
S32 mDecodedSize;
BOOL mNeedsAux;
U32 mCacheHandle;
LLPointer<LLImageFormatted> mFormattedImage;
LLPointer<LLImageRaw> mRawImage;
e_curl_state mCurlState;
S32 mCurlReceivedSize;
S32 mHTTPFailCount;
FetchEntry() :
mDecodedLevel(-1),
mFetchedSize(0),
mDecodedSize(0)
{}
FetchEntry(LLUUID& id, S32 r_size, /*S32 f_discard, S32 c,*/ S32 level, S32 f_size, S32 d_size) :
mID(id),
mRequestedSize(r_size),
mDecodedLevel(level),
mFetchedSize(f_size),
mDecodedSize(d_size),
mNeedsAux(false),
mHTTPFailCount(0)
{}
};
std::vector<FetchEntry> mFetchingHistory;
e_debug_state mState;
F32 mCacheReadTime;
F32 mCacheWriteTime;
F32 mDecodingTime;
F32 mHTTPTime;
F32 mGLCreationTime;
F32 mTotalFetchingTime;
F32 mRefetchVisCacheTime;
F32 mRefetchVisHTTPTime;
F32 mRefetchAllCacheTime;
F32 mRefetchAllHTTPTime;
LLTimer mTimer;
LLTextureFetch* mFetcher;
LLTextureCache* mTextureCache;
LLImageDecodeThread* mImageDecodeThread;
LLCurlTextureRequest* mCurlGetRequest;
S32 mNumFetchedTextures;
S32 mNumCacheHits;
S32 mNumVisibleFetchedTextures;
S32 mNumVisibleFetchingRequests;
U32 mFetchedData;
U32 mDecodedData;
U32 mVisibleFetchedData;
U32 mVisibleDecodedData;
U32 mRenderedData;
U32 mRenderedDecodedData;
U32 mFetchedPixels;
U32 mRenderedPixels;
U32 mRefetchedVisData;
U32 mRefetchedVisPixels;
U32 mRefetchedAllData;
U32 mRefetchedAllPixels;
BOOL mFreezeHistory;
BOOL mStopDebug;
BOOL mClearHistory;
BOOL mRefetchNonVis;
std::string mHTTPUrl;
S32 mNbCurlRequests;
S32 mNbCurlCompleted;
std::map< LLPointer<LLViewerFetchedTexture>, std::vector<S32> > mRefetchList;
std::vector< LLPointer<LLViewerFetchedTexture> > mTempTexList;
S32 mTempIndex;
S32 mHistoryListIndex;
public:
bool update(F32 max_time); //called in the main thread once per frame
//fetching history
void clearHistory();
void addHistoryEntry(LLTextureFetchWorker* worker);
void setCurlGetRequest(LLCurlTextureRequest* request) { mCurlGetRequest = request;}
LLCurlTextureRequest* getCurlGetRequest() { return mCurlGetRequest;}
void startWork(e_debug_state state);
void setStopDebug() {mStopDebug = TRUE;}
void tryToStopDebug(); //stop everything
void callbackCacheRead(S32 id, bool success, LLImageFormatted* image,
S32 imagesize, BOOL islocal);
void callbackCacheWrite(S32 id, bool success);
void callbackDecoded(S32 id, bool success, LLImageRaw* raw, LLImageRaw* aux);
void callbackHTTP(S32 id, const LLChannelDescriptors& channels,
const LLIOPipe::buffer_ptr_t& buffer,
bool partial, bool success);
e_debug_state getState() {return mState;}
S32 getNumFetchedTextures() {return mNumFetchedTextures;}
S32 getNumFetchingRequests() {return mFetchingHistory.size();}
S32 getNumCacheHits() {return mNumCacheHits;}
S32 getNumVisibleFetchedTextures() {return mNumVisibleFetchedTextures;}
S32 getNumVisibleFetchingRequests() {return mNumVisibleFetchingRequests;}
U32 getFetchedData() {return mFetchedData;}
U32 getDecodedData() {return mDecodedData;}
U32 getVisibleFetchedData() {return mVisibleFetchedData;}
U32 getVisibleDecodedData() {return mVisibleDecodedData;}
U32 getRenderedData() {return mRenderedData;}
U32 getRenderedDecodedData() {return mRenderedDecodedData;}
U32 getFetchedPixels() {return mFetchedPixels;}
U32 getRenderedPixels() {return mRenderedPixels;}
U32 getRefetchedVisData() {return mRefetchedVisData;}
U32 getRefetchedVisPixels() {return mRefetchedVisPixels;}
U32 getRefetchedAllData() {return mRefetchedAllData;}
U32 getRefetchedAllPixels() {return mRefetchedAllPixels;}
F32 getCacheReadTime() {return mCacheReadTime;}
F32 getCacheWriteTime() {return mCacheWriteTime;}
F32 getDecodeTime() {return mDecodingTime;}
F32 getGLCreationTime() {return mGLCreationTime;}
F32 getHTTPTime() {return mHTTPTime;}
F32 getTotalFetchingTime() {return mTotalFetchingTime;}
F32 getRefetchVisCacheTime() {return mRefetchVisCacheTime;}
F32 getRefetchVisHTTPTime() {return mRefetchVisHTTPTime;}
F32 getRefetchAllCacheTime() {return mRefetchAllCacheTime;}
F32 getRefetchAllHTTPTime() {return mRefetchAllHTTPTime;}
private:
void init();
void clearTextures();//clear fetching results of all textures.
void clearCache();
void makeRefetchList();
void scanRefetchList();
void lockFetcher();
void unlockFetcher();
void lockCache();
void unlockCache();
void lockDecoder();
void unlockDecoder();
S32 fillCurlQueue();
void startDebug();
void debugCacheRead();
void debugCacheWrite();
void debugHTTP();
void debugDecoder();
void debugGLTextureCreation();
void debugRefetchVisibleFromCache();
void debugRefetchVisibleFromHTTP();
void debugRefetchAllFromCache();
void debugRefetchAllFromHTTP();
bool processStartDebug(F32 max_time);
bool processGLCreation(F32 max_time);
private:
static bool sDebuggerEnabled;
public:
static bool isEnabled() {return sDebuggerEnabled;}
};
#endif // LL_LLTEXTUREFETCH_H