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/**
* @file llfeaturemanager.h
* @brief The feature manager is responsible for determining what features are turned on/off in the app.
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* 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,
GPU_CLASS_4 = 4,
GPU_CLASS_5 = 5
} 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),
mExpectedGLVersion(0.f),
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; }
F32 getExpectedGLVersion() { return mExpectedGLVersion; }
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;
F32 mExpectedGLVersion; //expected GL version according to gpu table
std::string mGPUString;
BOOL mGPUSupported;
};
#endif // LL_LLFEATUREMANAGER_H
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