VTK
vtkDepthPeelingPass.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkDepthPeelingPass.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=========================================================================*/
44#ifndef vtkDepthPeelingPass_h
45#define vtkDepthPeelingPass_h
46
47#include "vtkRenderingOpenGL2Module.h" // For export macro
48#include "vtkOpenGLRenderPass.h"
49#include <vector> // STL Header
50
53class vtkOpenGLHelper;
54
55class VTKRENDERINGOPENGL2_EXPORT vtkDepthPeelingPass
56 : public vtkOpenGLRenderPass
57{
58public:
61 void PrintSelf(ostream& os, vtkIndent indent);
62
67 virtual void Render(const vtkRenderState *s);
68
75
77
83 vtkGetObjectMacro(TranslucentPass,vtkRenderPass);
84 virtual void SetTranslucentPass(vtkRenderPass *translucentPass);
86
88
97 vtkSetClampMacro(OcclusionRatio,double,0.0,0.5);
98 vtkGetMacro(OcclusionRatio,double);
100
102
107 vtkSetMacro(MaximumNumberOfPeels,int);
108 vtkGetMacro(MaximumNumberOfPeels,int);
110
119 // vtkOpenGLRenderPass virtuals:
120 virtual bool ReplaceShaderValues(std::string &vertexShader,
121 std::string &geometryShader,
122 std::string &fragmentShader,
123 vtkAbstractMapper *mapper,
124 vtkProp *prop);
126 vtkAbstractMapper *mapper, vtkProp *prop);
127
128 protected:
133
138
139 vtkRenderPass *TranslucentPass;
140 vtkTimeStamp CheckTime;
141 bool IsSupported;
142
144
147 int ViewportX;
148 int ViewportY;
149 int ViewportWidth;
150 int ViewportHeight;
152
162 double OcclusionRatio;
163
169 int MaximumNumberOfPeels;
170
171 // Is rendering at translucent geometry stage using depth peeling and
172 // rendering a layer other than the first one? (Boolean value)
173 // If so, the uniform variables UseTexture and Texture can be set.
174 // (Used by vtkOpenGLProperty or vtkOpenGLTexture)
175 int DepthPeelingHigherLayer;
176
179
185 std::vector<float> *DepthZData;
186
189
190 private:
191 vtkDepthPeelingPass(const vtkDepthPeelingPass&) VTK_DELETE_FUNCTION;
192 void operator=(const vtkDepthPeelingPass&) VTK_DELETE_FUNCTION;
193};
194
195#endif
abstract class specifies interface to map data
Implement an Order Independent Transparency render pass.
virtual void SetTranslucentPass(vtkRenderPass *translucentPass)
vtkDepthPeelingPass()
Default constructor.
void BlendFinalPeel(vtkOpenGLRenderWindow *renWin)
std::vector< float > * DepthZData
static vtkDepthPeelingPass * New()
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
vtkTextureObject * OpaqueZTexture
vtkOpenGLHelper * IntermediateBlendProgram
vtkTextureObject * CurrentRGBATexture
void ReleaseGraphicsResources(vtkWindow *w)
Release graphics resources and ask components to release their own resources.
vtkTextureObject * TranslucentRGBATexture
vtkTextureObject * OpaqueRGBATexture
virtual bool ReplaceShaderValues(std::string &vertexShader, std::string &geometryShader, std::string &fragmentShader, vtkAbstractMapper *mapper, vtkProp *prop)
Is rendering at translucent geometry stage using depth peeling and rendering a layer other than the f...
virtual ~vtkDepthPeelingPass()
Destructor.
virtual void Render(const vtkRenderState *s)
Perform rendering according to a render state s.
vtkTextureObject * TranslucentZTexture
void BlendIntermediatePeels(vtkOpenGLRenderWindow *renWin, bool)
virtual bool SetShaderParameters(vtkShaderProgram *program, vtkAbstractMapper *mapper, vtkProp *prop)
Update the uniforms of the shader program.
vtkOpenGLHelper * FinalBlendProgram
a simple class to control print indentation
Definition: vtkIndent.h:40
Abstract render pass with shader modifications.
OpenGL rendering window.
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:48
Perform part of the rendering of a vtkRenderer.
Definition: vtkRenderPass.h:59
Context in which a vtkRenderPass will render.
The ShaderProgram uses one or more Shader objects.
abstracts an OpenGL texture object.
record modification and/or execution time
Definition: vtkTimeStamp.h:36
window superclass for vtkRenderWindow
Definition: vtkWindow.h:35
@ string
Definition: vtkX3D.h:490
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.