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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
1 month ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkClearZPass.cxx
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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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#include "vtkClearZPass.h"
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#include "vtkObjectFactory.h"
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#include <cassert>
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#include "vtkRenderState.h"
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#include "vtkRenderer.h"
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#include "vtkgl.h"
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vtkStandardNewMacro(vtkClearZPass);
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// ----------------------------------------------------------------------------
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vtkClearZPass::vtkClearZPass()
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{
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this->Depth=1.0;
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}
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// ----------------------------------------------------------------------------
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vtkClearZPass::~vtkClearZPass()
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{
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}
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// ----------------------------------------------------------------------------
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void vtkClearZPass::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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os << indent << "Depth:" << this->Depth << endl;
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}
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// ----------------------------------------------------------------------------
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// Description:
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// Perform rendering according to a render state \p s.
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// \pre s_exists: s!=0
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void vtkClearZPass::Render(const vtkRenderState *s)
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{
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assert("pre: s_exists" && s!=0);
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(void)s;
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this->NumberOfRenderedProps=0;
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glDepthMask(GL_TRUE);
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glClearDepth(this->Depth);
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glClear(GL_DEPTH_BUFFER_BIT);
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}
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