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