Torque3D/Engine/source/shaderGen/featureMgr.h
2012-09-19 11:15:01 -04:00

89 lines
2.7 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _FEATUREMGR_H_
#define _FEATUREMGR_H_
#ifndef _TSINGLETON_H_
#include "core/util/tSingleton.h"
#endif
#ifndef _TVECTOR_H_
#include "core/util/tVector.h"
#endif
class FeatureType;
class ShaderFeature;
/// Used by the feature manager.
struct FeatureInfo
{
const FeatureType *type;
ShaderFeature *feature;
};
///
class FeatureMgr
{
protected:
bool mNeedsSort;
typedef Vector<FeatureInfo> FeatureInfoVector;
FeatureInfoVector mFeatures;
static S32 QSORT_CALLBACK _featureInfoCompare( const FeatureInfo *a, const FeatureInfo *b );
public:
FeatureMgr();
~FeatureMgr();
/// Returns the count of registered features.
U32 getFeatureCount() const { return mFeatures.size(); }
/// Returns the feature info at the index.
const FeatureInfo& getAt( U32 index );
///
ShaderFeature* getByType( const FeatureType &type );
// Allows other systems to add features. index is
// the enum in GFXMaterialFeatureData.
void registerFeature( const FeatureType &type,
ShaderFeature *feature );
// Unregister a feature.
void unregisterFeature( const FeatureType &type );
/// Removes all features.
void unregisterAll();
// For ManagedSingleton.
static const char* getSingletonName() { return "FeatureMgr"; }
};
// Helper for accessing the feature manager singleton.
#define FEATUREMGR ManagedSingleton<FeatureMgr>::instance()
#endif // FEATUREMGR