OgreShadowCameraSetupPSSM.h
Go to the documentation of this file.
1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2013 Torus Knot Software Ltd
8 Copyright (c) 2006 Matthias Fink, netAllied GmbH <matthias.fink@web.de>
9 
10 Permission is hereby granted, free of charge, to any person obtaining a copy
11 of this software and associated documentation files (the "Software"), to deal
12 in the Software without restriction, including without limitation the rights
13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 copies of the Software, and to permit persons to whom the Software is
15 furnished to do so, subject to the following conditions:
16 
17 The above copyright notice and this permission notice shall be included in
18 all copies or substantial portions of the Software.
19 
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 THE SOFTWARE.
27 -----------------------------------------------------------------------------
28 */
29 #ifndef __ShadowCameraSetupPSSM_H__
30 #define __ShadowCameraSetupPSSM_H__
31 
32 #include "OgrePrerequisites.h"
34 #include "OgreHeaderPrefix.h"
35 
36 namespace Ogre
37 {
38 
57  {
58  public:
61 
62  protected:
67 
68  mutable size_t mCurrentIteration;
69 
70  public:
74 
81  void calculateSplitPoints(uint splitCount, Real nearDist, Real farDist, Real lambda = 0.95);
82 
89  void setSplitPoints(const SplitPointList& newSplitPoints);
90 
94  void setOptimalAdjustFactor(size_t splitIndex, Real factor);
95 
99  void setSplitPadding(Real pad) { mSplitPadding = pad; }
100 
104  Real getSplitPadding() const { return mSplitPadding; }
106  uint getSplitCount() const { return mSplitCount; }
107 
109  virtual void getShadowCamera(const Ogre::SceneManager *sm, const Ogre::Camera *cam,
110  const Ogre::Viewport *vp, const Ogre::Light *light, Ogre::Camera *texCam, size_t iteration) const;
111 
113  inline const SplitPointList& getSplitPoints() const
114  { return mSplitPoints; }
115 
117  inline Real getOptimalAdjustFactor(size_t splitIndex) const
118  { return mOptimalAdjustFactors[splitIndex]; }
119 
122 
123  };
126 }
127 
128 #include "OgreHeaderSuffix.h"
129 
130 #endif
OgreHeaderSuffix.h
Ogre::PSSMShadowCameraSetup::getOptimalAdjustFactor
Real getOptimalAdjustFactor(size_t splitIndex) const
Returns the optimal adjust factor for a given split.
Definition: OgreShadowCameraSetupPSSM.h:117
Ogre
Definition: OgreAndroidLogListener.h:35
Ogre::PSSMShadowCameraSetup::getShadowCamera
virtual void getShadowCamera(const Ogre::SceneManager *sm, const Ogre::Camera *cam, const Ogre::Viewport *vp, const Ogre::Light *light, Ogre::Camera *texCam, size_t iteration) const
Returns a LiSPSM shadow camera with PSSM splits base on iteration.
Ogre::Camera
A viewpoint from which the scene will be rendered.
Definition: OgreCamera.h:87
OgreShadowCameraSetupLiSPSM.h
Ogre::PSSMShadowCameraSetup::mSplitPadding
Real mSplitPadding
Definition: OgreShadowCameraSetupPSSM.h:66
Ogre::PSSMShadowCameraSetup::setOptimalAdjustFactor
void setOptimalAdjustFactor(size_t splitIndex, Real factor)
Set the LiSPSM optimal adjust factor for a given split (call after configuring splits).
Ogre::Light
Representation of a dynamic light source in the scene.
Definition: OgreLight.h:74
Ogre::PSSMShadowCameraSetup
Parallel Split Shadow Map (PSSM) shadow camera setup.
Definition: OgreShadowCameraSetupPSSM.h:57
Ogre::PSSMShadowCameraSetup::~PSSMShadowCameraSetup
~PSSMShadowCameraSetup()
Ogre::PSSMShadowCameraSetup::setSplitPoints
void setSplitPoints(const SplitPointList &newSplitPoints)
Manually configure a new splitting scheme.
Ogre::LiSPSMShadowCameraSetup
Implements the Light Space Perspective Shadow Mapping Algorithm.
Definition: OgreShadowCameraSetupLiSPSM.h:99
Ogre::PSSMShadowCameraSetup::mSplitCount
uint mSplitCount
Definition: OgreShadowCameraSetupPSSM.h:63
Ogre::PSSMShadowCameraSetup::getSplitPoints
const SplitPointList & getSplitPoints() const
Returns the calculated split points.
Definition: OgreShadowCameraSetupPSSM.h:113
OgreHeaderPrefix.h
Ogre::SceneManager
Manages the organisation and rendering of a 'scene' i.e.
Definition: OgreSceneManager.h:144
Ogre::Viewport
An abstraction of a viewport, i.e.
Definition: OgreViewport.h:58
OgrePrerequisites.h
Ogre::PSSMShadowCameraSetup::getOptimalAdjustFactor
Real getOptimalAdjustFactor() const
Overridden, recommended internal use only since depends on current iteration.
_OgreExport
#define _OgreExport
Definition: OgrePlatform.h:257
Ogre::PSSMShadowCameraSetup::mCurrentIteration
size_t mCurrentIteration
Definition: OgreShadowCameraSetupPSSM.h:68
Ogre::PSSMShadowCameraSetup::setSplitPadding
void setSplitPadding(Real pad)
Set the padding factor to apply to the near & far distances when matching up splits to one another,...
Definition: OgreShadowCameraSetupPSSM.h:99
Ogre::uint
unsigned int uint
Definition: OgrePrerequisites.h:114
Ogre::PSSMShadowCameraSetup::PSSMShadowCameraSetup
PSSMShadowCameraSetup()
Constructor, defaults to 3 splits.
Ogre::PSSMShadowCameraSetup::getSplitCount
uint getSplitCount() const
Get the number of splits.
Definition: OgreShadowCameraSetupPSSM.h:106
Ogre::PSSMShadowCameraSetup::getSplitPadding
Real getSplitPadding() const
Get the padding factor to apply to the near & far distances when matching up splits to one another,...
Definition: OgreShadowCameraSetupPSSM.h:104
Ogre::PSSMShadowCameraSetup::calculateSplitPoints
void calculateSplitPoints(uint splitCount, Real nearDist, Real farDist, Real lambda=0.95)
Calculate a new splitting scheme.
Ogre::Real
float Real
Software floating point type.
Definition: OgrePrerequisites.h:70
Ogre::PSSMShadowCameraSetup::mOptimalAdjustFactors
OptimalAdjustFactorList mOptimalAdjustFactors
Definition: OgreShadowCameraSetupPSSM.h:65
Ogre::PSSMShadowCameraSetup::SplitPointList
vector< Real >::type SplitPointList
Definition: OgreShadowCameraSetupPSSM.h:59
Ogre::PSSMShadowCameraSetup::mSplitPoints
SplitPointList mSplitPoints
Definition: OgreShadowCameraSetupPSSM.h:64
Ogre::vector
Definition: OgrePrerequisites.h:492
Ogre::PSSMShadowCameraSetup::OptimalAdjustFactorList
vector< Real >::type OptimalAdjustFactorList
Definition: OgreShadowCameraSetupPSSM.h:60

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.