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vtkShadowMapBakerPass.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkShadowMapPass.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
46 #ifndef vtkShadowMapBakerPass_h
47 #define vtkShadowMapBakerPass_h
48 
49 #include "vtkRenderingOpenGLModule.h" // For export macro
50 #include "vtkRenderPass.h"
51 
54 class vtkCamera;
55 class vtkLight;
57 class vtkShadowMapBakerPassTextures; // internal
58 class vtkShadowMapBakerPassLightCameras; // internal
59 
60 class VTKRENDERINGOPENGL_EXPORT vtkShadowMapBakerPass : public vtkRenderPass
61 {
62 public:
63  static vtkShadowMapBakerPass *New();
65  void PrintSelf(ostream& os, vtkIndent indent);
66 
72  static vtkInformationIntegerKey *OCCLUDER();
73 
74  // If this key exists on the Propertykeys of a prop, the prop is viewed as a
75  // light/shadow receiver. This key is not mutually exclusive with the
76  // OCCLUDER() key.
77  static vtkInformationIntegerKey *RECEIVER();
78 
83  virtual void Render(const vtkRenderState *s);
84 
91 
93 
100  vtkGetObjectMacro(OpaquePass,vtkRenderPass);
101  virtual void SetOpaquePass(vtkRenderPass *opaquePass);
103 
105 
111  vtkGetObjectMacro(CompositeZPass,vtkRenderPass);
112  virtual void SetCompositeZPass(vtkRenderPass *compositeZPass);
114 
116 
121  vtkSetMacro(Resolution,unsigned int);
122  vtkGetMacro(Resolution,unsigned int);
124 
126 
136  vtkSetMacro(PolygonOffsetFactor,float);
137  vtkGetMacro(PolygonOffsetFactor,float);
139 
141 
153  vtkSetMacro(PolygonOffsetUnits,float);
154  vtkGetMacro(PolygonOffsetUnits,float);
156 
164  bool GetHasShadows();
165 
175  bool LightCreatesShadow(vtkLight *l);
176 
183  vtkShadowMapBakerPassTextures *GetShadowMaps();
184 
191  vtkShadowMapBakerPassLightCameras *GetLightCameras();
192 
201  bool GetNeedUpdate();
202 
203  // // Description:
204  // INTERNAL USE ONLY.
205  // Internally used by vtkShadowMapBakerPass and vtkShadowMapPass.
206  //
207  // Set NeedUpate to false. Called by vtkShadowMapPass.
208  void SetUpToDate();
209 
210  protected:
215 
219  virtual ~vtkShadowMapBakerPass();
220 
228  void PointNearFar(double *v,
229  double *pt,
230  double *dir,
231  double &mNear,
232  double &mFar,
233  bool initialized);
234 
241  void BoxNearFar(double *bb,
242  double *pt,
243  double *dir,
244  double &mNear,
245  double &mFar);
246 
252  void BuildCameraLight(vtkLight *light,
253  double *boundingBox,
254  vtkCamera *lcamera);
255 
260  void CheckSupport(vtkOpenGLRenderWindow *w);
261 
263 
265 
266  unsigned int Resolution;
267 
270 
272 
277 
280 
281 
284 
285 private:
286  vtkShadowMapBakerPass(const vtkShadowMapBakerPass&) VTK_DELETE_FUNCTION;
287  void operator=(const vtkShadowMapBakerPass&) VTK_DELETE_FUNCTION;
288 };
289 
290 #endif
vtkFrameBufferObject
internal class which encapsulates OpenGL frame buffer object. Not to be used directly.
Definition: vtkFrameBufferObject.h:46
vtkLight
a virtual light for 3D rendering
Definition: vtkLight.h:61
vtkRenderPass::ReleaseGraphicsResources
virtual void ReleaseGraphicsResources(vtkWindow *w)
Release graphics resources and ask components to release their own resources.
vtkShadowMapBakerPass::FrameBufferObject
vtkFrameBufferObject * FrameBufferObject
Graphics resources.
Definition: vtkShadowMapBakerPass.h:276
vtkShadowMapBakerPass::OpaquePass
vtkRenderPass * OpaquePass
Definition: vtkShadowMapBakerPass.h:262
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkTimeStamp
record modification and/or execution time
Definition: vtkTimeStamp.h:35
vtkRenderPass::Render
virtual void Render(const vtkRenderState *s)=0
Perform rendering according to a render state s.
vtkRenderPass::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
vtkX3D::dir
@ dir
Definition: vtkX3D.h:324
vtkShadowMapBakerPass::Resolution
unsigned int Resolution
Definition: vtkShadowMapBakerPass.h:266
vtkRenderPass.h
vtkShadowMapBakerPass::NeedUpdate
bool NeedUpdate
Definition: vtkShadowMapBakerPass.h:283
vtkWindow
window superclass for vtkRenderWindow
Definition: vtkWindow.h:34
vtkShadowMapBakerPass::LastRenderTime
vtkTimeStamp LastRenderTime
Definition: vtkShadowMapBakerPass.h:282
vtkShadowMapBakerPass::ShadowMaps
vtkShadowMapBakerPassTextures * ShadowMaps
Definition: vtkShadowMapBakerPass.h:278
vtkShadowMapBakerPass::PolygonOffsetUnits
float PolygonOffsetUnits
Definition: vtkShadowMapBakerPass.h:269
vtkInformationIntegerKey
Key for integer values in vtkInformation.
Definition: vtkInformationIntegerKey.h:34
vtkShadowMapBakerPass::LightCameras
vtkShadowMapBakerPassLightCameras * LightCameras
Definition: vtkShadowMapBakerPass.h:279
vtkShadowMapBakerPassLightCameras
Definition: vtkShadowMapPassInternal.h:32
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkCamera
a virtual camera for 3D rendering
Definition: vtkCamera.h:50
vtkShadowMapBakerPass::HasShadows
bool HasShadows
Definition: vtkShadowMapBakerPass.h:271
vtkShadowMapBakerPass::CompositeZPass
vtkRenderPass * CompositeZPass
Definition: vtkShadowMapBakerPass.h:264
vtkSetMacro
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkShadowMapBakerPass::PolygonOffsetFactor
float PolygonOffsetFactor
Definition: vtkShadowMapBakerPass.h:268
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition: vtkOpenGLRenderWindow.h:41
vtkRenderState
Context in which a vtkRenderPass will render.
Definition: vtkRenderState.h:40
vtkShadowMapBakerPass
Implement a builder of shadow map pass.
Definition: vtkShadowMapBakerPass.h:60
vtkRenderPass
Perform part of the rendering of a vtkRenderer.
Definition: vtkRenderPass.h:58
vtkShadowMapBakerPassTextures
Definition: vtkShadowMapPassInternal.h:26