164 lines
4.4 KiB
C++
164 lines
4.4 KiB
C++
/**
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* @file llfeaturemanager.h
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* @brief The feature manager is responsible for determining what features are turned on/off in the app.
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*
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* $LicenseInfo:firstyear=2003&license=viewergpl$
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*
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* Copyright (c) 2003-2009, 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_LLFEATUREMANAGER_H
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#define LL_LLFEATUREMANAGER_H
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#include "stdtypes.h"
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#include "llstring.h"
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#include <map>
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typedef enum EGPUClass
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{
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GPU_CLASS_UNKNOWN = -1,
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GPU_CLASS_0 = 0,
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GPU_CLASS_1 = 1,
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GPU_CLASS_2 = 2,
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GPU_CLASS_3 = 3
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} EGPUClass;
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class LLFeatureInfo
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{
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public:
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LLFeatureInfo() : mValid(FALSE), mAvailable(FALSE), mRecommendedLevel(-1) {}
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LLFeatureInfo(const std::string& name, const BOOL available, const F32 level);
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BOOL isValid() const { return mValid; };
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public:
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BOOL mValid;
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std::string mName;
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BOOL mAvailable;
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F32 mRecommendedLevel;
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};
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class LLFeatureList
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{
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public:
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typedef std::map<std::string, LLFeatureInfo> feature_map_t;
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LLFeatureList(const std::string& name);
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virtual ~LLFeatureList();
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BOOL isFeatureAvailable(const std::string& name);
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void setFeatureAvailable(const std::string& name, const BOOL available);
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void setRecommendedLevel(const std::string& name, const F32 level);
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BOOL loadFeatureList(LLFILE *fp);
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BOOL maskList(LLFeatureList &mask);
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void addFeature(const std::string& name, const BOOL available, const F32 level);
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feature_map_t& getFeatures()
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{
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return mFeatures;
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}
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void dump();
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protected:
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std::string mName;
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feature_map_t mFeatures;
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};
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class LLFeatureManager : public LLFeatureList, public LLSingleton<LLFeatureManager>
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{
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public:
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LLFeatureManager()
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: LLFeatureList("default"),
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mInited(FALSE),
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mTableVersion(0),
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mSafe(FALSE),
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mGPUClass(GPU_CLASS_UNKNOWN),
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mGPUSupported(FALSE)
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{
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}
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~LLFeatureManager() {cleanupFeatureTables();}
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// initialize this by loading feature table and gpu table
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void init();
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void maskCurrentList(const std::string& name); // Mask the current feature list with the named list
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BOOL loadFeatureTables();
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EGPUClass getGPUClass() { return mGPUClass; }
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std::string& getGPUString() { return mGPUString; }
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BOOL isGPUSupported() { return mGPUSupported; }
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void cleanupFeatureTables();
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S32 getVersion() const { return mTableVersion; }
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void setSafe(const BOOL safe) { mSafe = safe; }
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BOOL isSafe() const { return mSafe; }
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LLFeatureList *findMask(const std::string& name);
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BOOL maskFeatures(const std::string& name);
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// set the graphics to low, medium, high, or ultra.
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// skipFeatures forces skipping of mostly hardware settings
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// that we don't want to change when we change graphics
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// settings
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void setGraphicsLevel(S32 level, bool skipFeatures);
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void applyBaseMasks();
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void applyRecommendedSettings();
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// apply the basic masks. Also, skip one saved
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// in the skip list if true
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void applyFeatures(bool skipFeatures);
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protected:
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void loadGPUClass();
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BOOL parseFeatureTable(std::string filename);
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void parseGPUTable(std::string filename);
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void initBaseMask();
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std::map<std::string, LLFeatureList *> mMaskList;
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std::set<std::string> mSkippedFeatures;
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BOOL mInited;
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S32 mTableVersion;
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BOOL mSafe; // Reinitialize everything to the "safe" mask
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EGPUClass mGPUClass;
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std::string mGPUString;
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BOOL mGPUSupported;
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};
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#endif // LL_LLFEATUREMANAGER_H
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