/** * @file llimageworker.h * @brief Object for managing images and their textures. * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * 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_LLIMAGEWORKER_H #define LL_LLIMAGEWORKER_H #include "llimage.h" #include "llpointer.h" #include "llworkerthread.h" class LLImageDecodeThread : public LLQueuedThread { public: class Responder : public LLThreadSafeRefCount { protected: virtual ~Responder(); public: virtual void completed(bool success, LLImageRaw* raw, LLImageRaw* aux) = 0; }; class ImageRequest : public LLQueuedThread::QueuedRequest { protected: virtual ~ImageRequest(); // use deleteRequest() public: ImageRequest(handle_t handle, LLImageFormatted* image, U32 priority, S32 discard, BOOL needs_aux, LLImageDecodeThread::Responder* responder); /*virtual*/ bool processRequest(); /*virtual*/ void finishRequest(bool completed); // Used by unit tests to check the consitency of the request instance bool tut_isOK(); private: // input LLPointer<LLImageFormatted> mFormattedImage; S32 mDiscardLevel; BOOL mNeedsAux; // output LLPointer<LLImageRaw> mDecodedImageRaw; LLPointer<LLImageRaw> mDecodedImageAux; BOOL mDecodedRaw; BOOL mDecodedAux; LLPointer<LLImageDecodeThread::Responder> mResponder; }; public: LLImageDecodeThread(bool threaded = true); virtual ~LLImageDecodeThread(); handle_t decodeImage(LLImageFormatted* image, U32 priority, S32 discard, BOOL needs_aux, Responder* responder); S32 update(U32 max_time_ms); // Used by unit tests to check the consistency of the thread instance S32 tut_size(); private: struct creation_info { handle_t handle; LLPointer<LLImageFormatted> image; U32 priority; S32 discard; BOOL needs_aux; LLPointer<Responder> responder; creation_info(handle_t h, LLImageFormatted* i, U32 p, S32 d, BOOL aux, Responder* r) : handle(h), image(i), priority(p), discard(d), needs_aux(aux), responder(r) {} }; typedef std::list<creation_info> creation_list_t; creation_list_t mCreationList; LLMutex* mCreationMutex; }; #endif