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|
/**
* @file llmeshrepository.h
* @brief Client-side repository of mesh assets.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010-2013, 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_MESH_REPOSITORY_H
#define LL_MESH_REPOSITORY_H
#include "llassettype.h"
#include "llmodel.h"
#include "lluuid.h"
#include "llviewertexture.h"
#include "llvolume.h"
#include "lldeadmantimer.h"
#include "httpcommon.h"
#include "httprequest.h"
#include "httpoptions.h"
#include "httpheaders.h"
#include "httphandler.h"
#include "llthread.h"
#define LLCONVEXDECOMPINTER_STATIC 1
#include "llconvexdecomposition.h"
#include "lluploadfloaterobservers.h"
class LLVOVolume;
class LLMutex;
class LLCondition;
class LLMeshRepository;
typedef enum e_mesh_processing_result_enum
{
MESH_OK = 0,
MESH_NO_DATA = 1,
MESH_OUT_OF_MEMORY,
MESH_HTTP_REQUEST_FAILED,
MESH_PARSE_FAILURE,
MESH_INVALID,
MESH_UNKNOWN
} EMeshProcessingResult;
class LLMeshUploadData
{
public:
LLPointer<LLModel> mBaseModel;
LLPointer<LLModel> mModel[5];
LLUUID mUUID;
U32 mRetries;
std::string mRSVP;
std::string mAssetData;
LLSD mPostData;
LLMeshUploadData()
{
mRetries = 0;
}
};
class LLTextureUploadData
{
public:
LLViewerFetchedTexture* mTexture;
LLUUID mUUID;
std::string mRSVP;
std::string mLabel;
U32 mRetries;
std::string mAssetData;
LLSD mPostData;
LLTextureUploadData()
{
mRetries = 0;
}
LLTextureUploadData(LLViewerFetchedTexture* texture, std::string& label)
: mTexture(texture), mLabel(label)
{
mRetries = 0;
}
};
class LLPhysicsDecomp : public LLThread
{
public:
typedef std::map<std::string, LLSD> decomp_params;
class Request : public LLRefCount
{
public:
//input params
S32* mDecompID;
std::string mStage;
std::vector<LLVector3> mPositions;
std::vector<U16> mIndices;
decomp_params mParams;
//output state
std::string mStatusMessage;
std::vector<LLModel::PhysicsMesh> mHullMesh;
LLModel::convex_hull_decomposition mHull;
//status message callback, called from decomposition thread
virtual S32 statusCallback(const char* status, S32 p1, S32 p2) = 0;
//completed callback, called from the main thread
virtual void completed() = 0;
virtual void setStatusMessage(const std::string& msg);
bool isValid() const {return mPositions.size() > 2 && mIndices.size() > 2 ;}
protected:
//internal use
LLVector3 mBBox[2] ;
F32 mTriangleAreaThreshold ;
void assignData(LLModel* mdl) ;
void updateTriangleAreaThreshold() ;
bool isValidTriangle(U16 idx1, U16 idx2, U16 idx3) ;
};
LLCondition* mSignal;
LLMutex* mMutex;
bool mInited;
bool mQuitting;
bool mDone;
LLPhysicsDecomp();
~LLPhysicsDecomp();
void shutdown();
void submitRequest(Request* request);
static S32 llcdCallback(const char*, S32, S32);
void cancel();
void setMeshData(LLCDMeshData& mesh, bool vertex_based);
void doDecomposition();
void doDecompositionSingleHull();
virtual void run();
void completeCurrent();
void notifyCompleted();
std::map<std::string, S32> mStageID;
typedef std::queue<LLPointer<Request> > request_queue;
request_queue mRequestQ;
LLPointer<Request> mCurRequest;
std::queue<LLPointer<Request> > mCompletedQ;
};
class RequestStats
{
public:
RequestStats() : mRetries(0) {};
void updateTime();
bool canRetry() const;
bool isDelayed() const;
U32 getRetries() { return mRetries; }
private:
U32 mRetries;
LLFrameTimer mTimer;
};
class LLMeshRepoThread : public LLThread
{
public:
volatile static S32 sActiveHeaderRequests;
volatile static S32 sActiveLODRequests;
static U32 sMaxConcurrentRequests;
static S32 sRequestLowWater;
static S32 sRequestHighWater;
static S32 sRequestWaterLevel; // Stats-use only, may read outside of thread
LLMutex* mMutex;
LLMutex* mHeaderMutex;
LLCondition* mSignal;
//map of known mesh headers
typedef std::map<LLUUID, LLSD> mesh_header_map;
mesh_header_map mMeshHeader;
std::map<LLUUID, U32> mMeshHeaderSize;
class HeaderRequest : public RequestStats
{
public:
const LLVolumeParams mMeshParams;
HeaderRequest(const LLVolumeParams& mesh_params)
: RequestStats(), mMeshParams(mesh_params)
{
}
bool operator<(const HeaderRequest& rhs) const
{
return mMeshParams < rhs.mMeshParams;
}
};
class LODRequest : public RequestStats
{
public:
LLVolumeParams mMeshParams;
S32 mLOD;
F32 mScore;
LODRequest(const LLVolumeParams& mesh_params, S32 lod)
: RequestStats(), mMeshParams(mesh_params), mLOD(lod), mScore(0.f)
{
}
};
struct CompareScoreGreater
{
bool operator()(const LODRequest& lhs, const LODRequest& rhs)
{
return lhs.mScore > rhs.mScore; // greatest = first
}
};
class UUIDBasedRequest : public RequestStats
{
public:
LLUUID mId;
UUIDBasedRequest(const LLUUID& id)
: RequestStats(), mId(id)
{
}
bool operator<(const UUIDBasedRequest& rhs) const
{
return mId < rhs.mId;
}
};
class LoadedMesh
{
public:
LLPointer<LLVolume> mVolume;
LLVolumeParams mMeshParams;
S32 mLOD;
LoadedMesh(LLVolume* volume, const LLVolumeParams& mesh_params, S32 lod)
: mVolume(volume), mMeshParams(mesh_params), mLOD(lod)
{
}
};
//set of requested skin info
std::set<UUIDBasedRequest> mSkinRequests;
// list of completed skin info requests
std::list<LLMeshSkinInfo> mSkinInfoQ;
//set of requested decompositions
std::set<UUIDBasedRequest> mDecompositionRequests;
//set of requested physics shapes
std::set<UUIDBasedRequest> mPhysicsShapeRequests;
// list of completed Decomposition info requests
std::list<LLModel::Decomposition*> mDecompositionQ;
//queue of requested headers
std::queue<HeaderRequest> mHeaderReqQ;
//queue of requested LODs
std::queue<LODRequest> mLODReqQ;
//queue of unavailable LODs (either asset doesn't exist or asset doesn't have desired LOD)
std::queue<LODRequest> mUnavailableQ;
//queue of successfully loaded meshes
std::queue<LoadedMesh> mLoadedQ;
//map of pending header requests and currently desired LODs
typedef std::map<LLVolumeParams, std::vector<S32> > pending_lod_map;
pending_lod_map mPendingLOD;
// llcorehttp library interface objects.
LLCore::HttpStatus mHttpStatus;
LLCore::HttpRequest * mHttpRequest;
LLCore::HttpOptions::ptr_t mHttpOptions;
LLCore::HttpOptions::ptr_t mHttpLargeOptions;
LLCore::HttpHeaders::ptr_t mHttpHeaders;
LLCore::HttpRequest::policy_t mHttpPolicyClass;
LLCore::HttpRequest::policy_t mHttpLargePolicyClass;
LLCore::HttpRequest::priority_t mHttpPriority;
typedef std::set<LLCore::HttpHandler::ptr_t> http_request_set;
http_request_set mHttpRequestSet; // Outstanding HTTP requests
std::string mGetMeshCapability;
LLMeshRepoThread();
~LLMeshRepoThread();
virtual void run();
void lockAndLoadMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
void loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
bool fetchMeshHeader(const LLVolumeParams& mesh_params, bool can_retry = true);
bool fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod, bool can_retry = true);
EMeshProcessingResult headerReceived(const LLVolumeParams& mesh_params, U8* data, S32 data_size);
EMeshProcessingResult lodReceived(const LLVolumeParams& mesh_params, S32 lod, U8* data, S32 data_size);
bool skinInfoReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
bool decompositionReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
EMeshProcessingResult physicsShapeReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
LLSD& getMeshHeader(const LLUUID& mesh_id);
void notifyLoadedMeshes();
S32 getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
void loadMeshSkinInfo(const LLUUID& mesh_id);
void loadMeshDecomposition(const LLUUID& mesh_id);
void loadMeshPhysicsShape(const LLUUID& mesh_id);
//send request for skin info, returns true if header info exists
// (should hold onto mesh_id and try again later if header info does not exist)
bool fetchMeshSkinInfo(const LLUUID& mesh_id);
//send request for decomposition, returns true if header info exists
// (should hold onto mesh_id and try again later if header info does not exist)
bool fetchMeshDecomposition(const LLUUID& mesh_id);
//send request for PhysicsShape, returns true if header info exists
// (should hold onto mesh_id and try again later if header info does not exist)
bool fetchMeshPhysicsShape(const LLUUID& mesh_id);
static void incActiveLODRequests();
static void decActiveLODRequests();
static void incActiveHeaderRequests();
static void decActiveHeaderRequests();
// Set the caps strings and preferred version for constructing
// mesh fetch URLs.
//
// Mutex: must be holding mMutex when called
void setGetMeshCap(const std::string & get_mesh);
// Mutex: acquires mMutex
void constructUrl(LLUUID mesh_id, std::string * url);
private:
// Issue a GET request to a URL with 'Range' header using
// the correct policy class and other attributes. If an invalid
// handle is returned, the request failed and caller must retry
// or dispose of handler.
//
// Threads: Repo thread only
LLCore::HttpHandle getByteRange(const std::string & url,
size_t offset, size_t len,
const LLCore::HttpHandler::ptr_t &handler);
};
// Class whose instances represent a single upload-type request for
// meshes: one fee query or one actual upload attempt. Yes, it creates
// a unique thread for that single request. As it is 1:1, it can also
// trivially serve as the HttpHandler object for request completion
// notifications.
class LLMeshUploadThread : public LLThread, public LLCore::HttpHandler
{
private:
S32 mMeshUploadTimeOut ; //maximum time in seconds to execute an uploading request.
public:
class DecompRequest : public LLPhysicsDecomp::Request
{
public:
LLPointer<LLModel> mModel;
LLPointer<LLModel> mBaseModel;
LLMeshUploadThread* mThread;
DecompRequest(LLModel* mdl, LLModel* base_model, LLMeshUploadThread* thread);
S32 statusCallback(const char* status, S32 p1, S32 p2) { return 1; }
void completed();
};
LLPointer<DecompRequest> mFinalDecomp;
volatile bool mPhysicsComplete;
typedef std::map<LLPointer<LLModel>, std::vector<LLVector3> > hull_map;
hull_map mHullMap;
typedef std::vector<LLModelInstance> instance_list;
instance_list mInstanceList;
typedef std::map<LLPointer<LLModel>, instance_list> instance_map;
instance_map mInstance;
LLMutex* mMutex;
S32 mPendingUploads;
LLVector3 mOrigin;
bool mFinished;
bool mUploadTextures;
bool mUploadSkin;
bool mUploadJoints;
bool mLockScaleIfJointPosition;
volatile bool mDiscarded;
LLHost mHost;
std::string mWholeModelFeeCapability;
std::string mWholeModelUploadURL;
LLMeshUploadThread(instance_list& data, LLVector3& scale, bool upload_textures,
bool upload_skin, bool upload_joints, bool lock_scale_if_joint_position,
const std::string & upload_url, bool do_upload = true,
LLHandle<LLWholeModelFeeObserver> fee_observer = (LLHandle<LLWholeModelFeeObserver>()),
LLHandle<LLWholeModelUploadObserver> upload_observer = (LLHandle<LLWholeModelUploadObserver>()));
~LLMeshUploadThread();
bool finished() const { return mFinished; }
virtual void run();
void preStart();
void discard() ;
bool isDiscarded() const;
void generateHulls();
void doWholeModelUpload();
void requestWholeModelFee();
void wholeModelToLLSD(LLSD& dest, bool include_textures);
void decomposeMeshMatrix(LLMatrix4& transformation,
LLVector3& result_pos,
LLQuaternion& result_rot,
LLVector3& result_scale);
void setFeeObserverHandle(LLHandle<LLWholeModelFeeObserver> observer_handle) { mFeeObserverHandle = observer_handle; }
void setUploadObserverHandle(LLHandle<LLWholeModelUploadObserver> observer_handle) { mUploadObserverHandle = observer_handle; }
// Inherited from LLCore::HttpHandler
virtual void onCompleted(LLCore::HttpHandle handle, LLCore::HttpResponse * response);
LLViewerFetchedTexture* FindViewerTexture(const LLImportMaterial& material);
private:
LLHandle<LLWholeModelFeeObserver> mFeeObserverHandle;
LLHandle<LLWholeModelUploadObserver> mUploadObserverHandle;
bool mDoUpload; // if FALSE only model data will be requested, otherwise the model will be uploaded
LLSD mModelData;
// llcorehttp library interface objects.
LLCore::HttpStatus mHttpStatus;
LLCore::HttpRequest * mHttpRequest;
LLCore::HttpOptions::ptr_t mHttpOptions;
LLCore::HttpHeaders::ptr_t mHttpHeaders;
LLCore::HttpRequest::policy_t mHttpPolicyClass;
LLCore::HttpRequest::priority_t mHttpPriority;
};
// Params related to streaming cost, render cost, and scene complexity tracking.
class LLMeshCostData
{
public:
LLMeshCostData();
bool init(const LLSD& header);
// Size for given LOD
S32 getSizeByLOD(S32 lod);
// Sum of all LOD sizes.
S32 getSizeTotal();
// Estimated triangle counts for the given LOD.
F32 getEstTrisByLOD(S32 lod);
// Estimated triangle counts for the largest LOD. Typically this
// is also the "high" LOD, but not necessarily.
F32 getEstTrisMax();
// Triangle count as computed by original streaming cost
// formula. Triangles in each LOD are weighted based on how
// frequently they will be seen.
// This was called "unscaled_value" in the original getStreamingCost() functions.
F32 getRadiusWeightedTris(F32 radius);
// Triangle count used by triangle-based cost formula. Based on
// triangles in highest LOD plus potentially partial charges for
// lower LODs depending on complexity.
F32 getEstTrisForStreamingCost();
// Streaming cost. This should match the server-side calculation
// for the corresponding volume.
F32 getRadiusBasedStreamingCost(F32 radius);
// New streaming cost formula, currently only used for animated objects.
F32 getTriangleBasedStreamingCost();
private:
// From the "size" field of the mesh header. LOD 0=lowest, 3=highest.
std::vector<S32> mSizeByLOD;
// Estimated triangle counts derived from the LOD sizes. LOD 0=lowest, 3=highest.
std::vector<F32> mEstTrisByLOD;
};
class LLMeshRepository
{
public:
//metrics
static U32 sBytesReceived;
static U32 sMeshRequestCount; // Total request count, http or cached, all component types
static U32 sHTTPRequestCount; // Http GETs issued (not large)
static U32 sHTTPLargeRequestCount; // Http GETs issued for large requests
static U32 sHTTPRetryCount; // Total request retries whether successful or failed
static U32 sHTTPErrorCount; // Requests ending in error
static U32 sLODPending;
static U32 sLODProcessing;
static U32 sCacheBytesRead;
static U32 sCacheBytesWritten;
static U32 sCacheReads;
static U32 sCacheWrites;
static U32 sMaxLockHoldoffs; // Maximum sequential locking failures
static LLDeadmanTimer sQuiescentTimer; // Time-to-complete-mesh-downloads after significant events
// Estimated triangle count of the largest LOD
F32 getEstTrianglesMax(LLUUID mesh_id);
F32 getEstTrianglesStreamingCost(LLUUID mesh_id);
F32 getStreamingCostLegacy(LLUUID mesh_id, F32 radius, S32* bytes = NULL, S32* visible_bytes = NULL, S32 detail = -1, F32 *unscaled_value = NULL);
static F32 getStreamingCostLegacy(LLSD& header, F32 radius, S32* bytes = NULL, S32* visible_bytes = NULL, S32 detail = -1, F32 *unscaled_value = NULL);
bool getCostData(LLUUID mesh_id, LLMeshCostData& data);
bool getCostData(LLSD& header, LLMeshCostData& data);
LLMeshRepository();
void init();
void shutdown();
S32 update();
//mesh management functions
S32 loadMesh(LLVOVolume* volume, const LLVolumeParams& mesh_params, S32 detail = 0, S32 last_lod = -1);
void notifyLoadedMeshes();
void notifyMeshLoaded(const LLVolumeParams& mesh_params, LLVolume* volume);
void notifyMeshUnavailable(const LLVolumeParams& mesh_params, S32 lod);
void notifySkinInfoReceived(LLMeshSkinInfo& info);
void notifyDecompositionReceived(LLModel::Decomposition* info);
S32 getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
static S32 getActualMeshLOD(LLSD& header, S32 lod);
const LLMeshSkinInfo* getSkinInfo(const LLUUID& mesh_id, const LLVOVolume* requesting_obj);
LLModel::Decomposition* getDecomposition(const LLUUID& mesh_id);
void fetchPhysicsShape(const LLUUID& mesh_id);
bool hasPhysicsShape(const LLUUID& mesh_id);
void buildHull(const LLVolumeParams& params, S32 detail);
void buildPhysicsMesh(LLModel::Decomposition& decomp);
bool meshUploadEnabled();
bool meshRezEnabled();
LLSD& getMeshHeader(const LLUUID& mesh_id);
void uploadModel(std::vector<LLModelInstance>& data, LLVector3& scale, bool upload_textures,
bool upload_skin, bool upload_joints, bool lock_scale_if_joint_position,
std::string upload_url, bool do_upload = true,
LLHandle<LLWholeModelFeeObserver> fee_observer= (LLHandle<LLWholeModelFeeObserver>()),
LLHandle<LLWholeModelUploadObserver> upload_observer = (LLHandle<LLWholeModelUploadObserver>()));
S32 getMeshSize(const LLUUID& mesh_id, S32 lod);
// Quiescent timer management, main thread only.
static void metricsStart();
static void metricsStop();
static void metricsProgress(unsigned int count);
static void metricsUpdate();
typedef std::map<LLVolumeParams, std::set<LLUUID> > mesh_load_map;
mesh_load_map mLoadingMeshes[4];
typedef std::map<LLUUID, LLMeshSkinInfo> skin_map;
skin_map mSkinMap;
typedef std::map<LLUUID, LLModel::Decomposition*> decomposition_map;
decomposition_map mDecompositionMap;
LLMutex* mMeshMutex;
std::vector<LLMeshRepoThread::LODRequest> mPendingRequests;
//list of mesh ids awaiting skin info
typedef std::map<LLUUID, std::set<LLUUID> > skin_load_map;
skin_load_map mLoadingSkins;
//list of mesh ids that need to send skin info fetch requests
std::queue<LLUUID> mPendingSkinRequests;
//list of mesh ids awaiting decompositions
std::set<LLUUID> mLoadingDecompositions;
//list of mesh ids that need to send decomposition fetch requests
std::queue<LLUUID> mPendingDecompositionRequests;
//list of mesh ids awaiting physics shapes
std::set<LLUUID> mLoadingPhysicsShapes;
//list of mesh ids that need to send physics shape fetch requests
std::queue<LLUUID> mPendingPhysicsShapeRequests;
U32 mMeshThreadCount;
void cacheOutgoingMesh(LLMeshUploadData& data, LLSD& header);
LLMeshRepoThread* mThread;
std::vector<LLMeshUploadThread*> mUploads;
std::vector<LLMeshUploadThread*> mUploadWaitList;
LLPhysicsDecomp* mDecompThread;
class inventory_data
{
public:
LLSD mPostData;
LLSD mResponse;
inventory_data(const LLSD& data, const LLSD& content)
: mPostData(data), mResponse(content)
{
}
};
std::queue<inventory_data> mInventoryQ;
std::queue<LLSD> mUploadErrorQ;
void uploadError(LLSD& args);
void updateInventory(inventory_data data);
};
extern LLMeshRepository gMeshRepo;
const F32 ANIMATED_OBJECT_BASE_COST = 15.0f;
const F32 ANIMATED_OBJECT_COST_PER_KTRI = 1.5f;
#endif
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