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136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkShader2Collection.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 vtkShader2Collection
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* @brief a list of Shader2 objects.
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*
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* vtkShader2Collection represents and provides methods to manipulate a
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* list of Shader2 objects. The list is unsorted and duplicate entries are not
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* prevented.
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*
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* @sa
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* vtkShader2 vtkCollection
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*/
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#ifndef vtkShader2Collection_h
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#define vtkShader2Collection_h
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#include "vtkRenderingOpenGLModule.h" // For export macro
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#include "vtkCollection.h"
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class vtkShader2;
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class VTKRENDERINGOPENGL_EXPORT vtkShader2Collection : public vtkCollection
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{
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public:
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static vtkShader2Collection *New();
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vtkTypeMacro(vtkShader2Collection,vtkCollection);
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void PrintSelf(ostream& os, vtkIndent indent);
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/**
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* Modified GetMTime because the collection time depends on the
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* content of the shaders.
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*/
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vtkMTimeType GetMTime();
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/**
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* Add a shader to the list.
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*/
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void AddItem(vtkShader2 *shader);
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/**
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* Get the next shader in the list.
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*/
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vtkShader2 *GetNextShader();
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/**
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* Get the last shader in the list.
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*/
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vtkShader2 *GetLastShader();
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/**
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* Reentrant safe way to get an object in a collection. Just pass the
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* same cookie back and forth.
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*/
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vtkShader2 *GetNextShader(vtkCollectionSimpleIterator &cookie);
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/**
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* Add the elements of `other' to the end of `this'.
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* \pre other_exists: other!=0
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* \pre not_self: other!=this
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* \post added: this->GetNumberOfItems()=old this->GetNumberOfItems()+other->GetNumberOfItems()
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*/
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void AddCollection(vtkShader2Collection *other);
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/**
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* Remove the elements of `other' from `this'. It assumes that `this' already
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* has all the elements of `other' added contiguously.
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* \pre other_exists: other!=0
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* \pre not_self: other!=this
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* \post removed: this->GetNumberOfItems()=old this->GetNumberOfItems()-other->GetNumberOfItems()
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*/
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void RemoveCollection(vtkShader2Collection *other);
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/**
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* Tells if at least one of the shaders is a vertex shader.
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* If yes, it means the vertex processing of the fixed-pipeline is bypassed.
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* If no, it means the vertex processing of the fixed-pipeline is used.
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*/
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bool HasVertexShaders();
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/**
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* Tells if at least one of the shaders is a tessellation control shader.
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*/
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bool HasTessellationControlShaders();
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/**
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* Tells if at least one of the shaders is a tessellation evaluation shader.
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*/
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bool HasTessellationEvaluationShaders();
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/**
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* Tells if at least one of the shaders is a geometry shader.
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*/
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bool HasGeometryShaders();
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/**
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* Tells if at least one of the shaders is a fragment shader.
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* If yes, it means the fragment processing of the fixed-pipeline is
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* bypassed.
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* If no, it means the fragment processing of the fixed-pipeline is used.
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*/
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bool HasFragmentShaders();
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/**
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* Release OpenGL resources (shader id of each item).
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*/
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void ReleaseGraphicsResources();
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protected:
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vtkShader2Collection();
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~vtkShader2Collection();
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bool HasShadersOfType(int);
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private:
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// hide the standard AddItem from the user and the compiler.
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void AddItem(vtkObject *o);
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vtkShader2Collection(const vtkShader2Collection&) VTK_DELETE_FUNCTION;
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void operator=(const vtkShader2Collection&) VTK_DELETE_FUNCTION;
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};
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#endif
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