/** * @file llfeaturemanager.h * @brief The feature manager is responsible for determining what features are turned on/off in the app. * * $LicenseInfo:firstyear=2003&license=viewergpl$ * * Copyright (c) 2003-2009, 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_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) { } ~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); protected: void loadGPUClass(); 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