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/**
* @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 "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
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