llimageworker.h
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- /**
- * @file llimageworker.h
- * @brief Object for managing images and their textures.
- *
- * $LicenseInfo:firstyear=2000&license=viewergpl$
- *
- * Copyright (c) 2000-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #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);
- 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