VTK
vtkOpenGLRenderer.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLRenderer.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 =========================================================================*/
23 #ifndef vtkOpenGLRenderer_h
24 #define vtkOpenGLRenderer_h
25 
26 #include "vtkRenderingOpenGL2Module.h" // For export macro
27 #include "vtkRenderer.h"
28 #include <vector> // STL Header
29 
31 class vtkRenderPass;
32 class vtkOpenGLTexture;
33 class vtkTextureObject;
35 class vtkShadowMapPass;
36 
37 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLRenderer : public vtkRenderer
38 {
39 public:
42  void PrintSelf(ostream& os, vtkIndent indent);
43 
47  void DeviceRender(void);
48 
53 
61 
62  void Clear(void);
63 
67  int UpdateLights(void);
68 
76 
82 
83 protected:
86 
90  void CheckCompilation(unsigned int fragmentShader);
91 
92  // Internal method to release graphics resources in any derived renderers.
94 
100  virtual int UpdateGeometry();
101 
102  // Picking functions to be implemented by sub-classes
103  virtual void DevicePickRender();
104  virtual void StartPick(unsigned int pickFromSize);
105  virtual void UpdatePickId();
106  virtual void DonePick();
107  virtual unsigned int GetPickedId();
108  virtual unsigned int GetNumPickedIds();
109  virtual int GetPickedIds(unsigned int atMost, unsigned int *callerBuffer);
110  virtual double GetPickedZ();
111 
112  // Ivars used in picking
113  class vtkGLPickInfo* PickInfo;
114 
115  double PickedZ;
116 
117  friend class vtkOpenGLProperty;
118  friend class vtkOpenGLTexture;
119  friend class vtkOpenGLImageSliceMapper;
120  friend class vtkOpenGLImageResliceMapper;
121 
126 
131 
136 
137  // Is rendering at translucent geometry stage using depth peeling and
138  // rendering a layer other than the first one? (Boolean value)
139  // If so, the uniform variables UseTexture and Texture can be set.
140  // (Used by vtkOpenGLProperty or vtkOpenGLTexture)
141  int DepthPeelingHigherLayer;
142 
143  friend class vtkRenderPass;
144 
147 
148 private:
149  vtkOpenGLRenderer(const vtkOpenGLRenderer&) VTK_DELETE_FUNCTION;
150  void operator=(const vtkOpenGLRenderer&) VTK_DELETE_FUNCTION;
151 };
152 
153 #endif
Implement an Order Independent Transparency render pass.
a simple class to control print indentation
Definition: vtkIndent.h:40
Perform FXAA antialiasing on the current framebuffer.
OpenGL mapper for image slice display.
OpenGL property.
OpenGL renderer.
virtual void ReleaseGraphicsResources(vtkWindow *w)
virtual void DeviceRenderOpaqueGeometry()
Overridden to support hidden line removal.
vtkShadowMapPass * ShadowMapPass
Shadows are delegated to an instance of vtkShadowMapPass.
void DeviceRender(void)
Concrete open gl render method.
virtual void DevicePickRender()
vtkDepthPeelingPass * DepthPeelingPass
Depth peeling is delegated to an instance of vtkDepthPeelingPass.
virtual int UpdateGeometry()
Ask all props to update and draw any opaque and translucent geometry.
virtual void UpdatePickId()
virtual int GetPickedIds(unsigned int atMost, unsigned int *callerBuffer)
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual double GetPickedZ()
Return the Z value for the last picked Prop.
virtual void DonePick()
void Clear(void)
Clear the image to the background color.
static vtkOpenGLRenderer * New()
vtkOpenGLFXAAFilter * FXAAFilter
FXAA is delegated to an instance of vtkOpenGLFXAAFilter.
virtual unsigned int GetNumPickedIds()
int UpdateLights(void)
Ask lights to load themselves into graphics pipeline.
bool HaveApplePrimitiveIdBug()
Indicate if this system is subject to the apple/amd bug of not having a working glPrimitiveId.
virtual unsigned int GetPickedId()
virtual void StartPick(unsigned int pickFromSize)
virtual void DeviceRenderTranslucentPolygonalGeometry()
Render translucent polygonal geometry.
void CheckCompilation(unsigned int fragmentShader)
Check the compilation status of some fragment shader source.
int GetDepthPeelingHigherLayer()
Is rendering at translucent geometry stage using depth peeling and rendering a layer other than the f...
OpenGL texture map.
Perform part of the rendering of a vtkRenderer.
Definition: vtkRenderPass.h:59
abstract specification for renderers
Definition: vtkRenderer.h:64
Implement a shadow mapping render pass.
abstracts an OpenGL texture object.
window superclass for vtkRenderWindow
Definition: vtkWindow.h:35