4d932d5e2d
See http://redmine.imprudenceviewer.org/issues/590 and https://jira.secondlife.com/browse/SNOW-596
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/**
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* @file llimageworker.h
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* @brief Object for managing images and their textures.
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*
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* $LicenseInfo:firstyear=2000&license=viewergpl$
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*
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* Copyright (c) 2000-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLIMAGEWORKER_H
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#define LL_LLIMAGEWORKER_H
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#include "llimage.h"
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#include "llqueuedthread.h"
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class LLImageDecodeThread : public LLQueuedThread
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{
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public:
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class Responder : public LLThreadSafeRefCount
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{
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protected:
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virtual ~Responder();
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public:
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virtual void completed(bool success, LLImageRaw* raw, LLImageRaw* aux) = 0;
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};
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class ImageRequest : public LLQueuedThread::QueuedRequest
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{
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protected:
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virtual ~ImageRequest(); // use deleteRequest()
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public:
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ImageRequest(handle_t handle, LLImageFormatted* image,
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U32 priority, S32 discard, BOOL needs_aux,
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LLImageDecodeThread::Responder* responder);
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/*virtual*/ bool processRequest();
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/*virtual*/ void finishRequest(bool completed);
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// Used by unit tests to check the consitency of the request instance
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bool tut_isOK();
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private:
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// input
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LLPointer<LLImageFormatted> mFormattedImage;
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S32 mDiscardLevel;
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BOOL mNeedsAux;
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// output
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LLPointer<LLImageRaw> mDecodedImageRaw;
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LLPointer<LLImageRaw> mDecodedImageAux;
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BOOL mDecodedRaw;
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BOOL mDecodedAux;
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LLPointer<LLImageDecodeThread::Responder> mResponder;
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};
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public:
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LLImageDecodeThread(bool threaded = true);
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handle_t decodeImage(LLImageFormatted* image,
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U32 priority, S32 discard, BOOL needs_aux,
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Responder* responder);
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S32 update(U32 max_time_ms);
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// Used by unit tests to check the consistency of the thread instance
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S32 tut_size();
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private:
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struct creation_info
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{
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handle_t handle;
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LLPointer<LLImageFormatted> image;
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U32 priority;
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S32 discard;
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BOOL needs_aux;
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LLPointer<Responder> responder;
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creation_info(handle_t h, LLImageFormatted* i, U32 p, S32 d, BOOL aux, Responder* r)
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: handle(h), image(i), priority(p), discard(d), needs_aux(aux), responder(r)
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{}
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};
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typedef std::list<creation_info> creation_list_t;
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creation_list_t mCreationList;
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LLMutex mCreationMutex;
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};
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#endif
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