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80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkOpenGLImageAlgorithmHelper.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkOpenGLImageAlgorithmHelper
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* @brief Help image algorithms use the GPU
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*
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* Designed to make it easier to accelerate an image algorithm on the GPU
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*/
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#ifndef vtkOpenGLImageAlgorithmHelper_h
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#define vtkOpenGLImageAlgorithmHelper_h
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#include "vtkObject.h"
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#include "vtkRenderingOpenGL2Module.h" // For export macro
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#include "vtkOpenGLHelper.h" // used for ivars
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#include "vtkSmartPointer.h" // for ivar
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class vtkOpenGLRenderWindow;
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class vtkRenderWindow;
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class vtkImageData;
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class vtkDataArray;
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class vtkOpenGLImageAlgorithmCallback
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{
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public:
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virtual void InitializeShaderUniforms(vtkShaderProgram* /* program */) {}
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virtual void UpdateShaderUniforms(vtkShaderProgram* /* program */, int /* zExtent */) {}
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virtual ~vtkOpenGLImageAlgorithmCallback() {}
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vtkOpenGLImageAlgorithmCallback() {}
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private:
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vtkOpenGLImageAlgorithmCallback(const vtkOpenGLImageAlgorithmCallback&) = delete;
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void operator=(const vtkOpenGLImageAlgorithmCallback&) = delete;
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};
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class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageAlgorithmHelper : public vtkObject
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{
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public:
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static vtkOpenGLImageAlgorithmHelper* New();
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vtkTypeMacro(vtkOpenGLImageAlgorithmHelper, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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void Execute(vtkOpenGLImageAlgorithmCallback* cb, vtkImageData* inImage, vtkDataArray* inData,
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vtkImageData* outData, int outExt[6], const char* vertexCode, const char* fragmentCode,
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const char* geometryCode);
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/**
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* Set the render window to get the OpenGL resources from
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*/
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void SetRenderWindow(vtkRenderWindow* renWin);
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protected:
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vtkOpenGLImageAlgorithmHelper();
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~vtkOpenGLImageAlgorithmHelper() override;
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vtkSmartPointer<vtkOpenGLRenderWindow> RenderWindow;
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vtkOpenGLHelper Quad;
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private:
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vtkOpenGLImageAlgorithmHelper(const vtkOpenGLImageAlgorithmHelper&) = delete;
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void operator=(const vtkOpenGLImageAlgorithmHelper&) = delete;
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};
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#endif
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// VTK-HeaderTest-Exclude: vtkOpenGLImageAlgorithmHelper.h
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