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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenGLRenderPass.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkOpenGLRenderPass.h"
#include "vtkInformation.h"
#include "vtkInformationObjectBaseVectorKey.h"
#include "vtkObjectFactory.h"
#include "vtkProp.h"
#include "vtkRenderState.h"
#include <cassert>
vtkInformationKeyMacro(vtkOpenGLRenderPass, RenderPasses, ObjectBaseVector)
//------------------------------------------------------------------------------
void vtkOpenGLRenderPass::PrintSelf(std::ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
bool vtkOpenGLRenderPass::ReplaceShaderValues(std::string &, std::string &,
std::string &,
vtkAbstractMapper *, vtkProp *)
{
return true;
}
//------------------------------------------------------------------------------
bool vtkOpenGLRenderPass::SetShaderParameters(vtkShaderProgram *,
vtkAbstractMapper *, vtkProp *)
{
return true;
}
//------------------------------------------------------------------------------
vtkMTimeType vtkOpenGLRenderPass::GetShaderStageMTime()
{
return 0;
}
//------------------------------------------------------------------------------
vtkOpenGLRenderPass::vtkOpenGLRenderPass()
{
}
//------------------------------------------------------------------------------
vtkOpenGLRenderPass::~vtkOpenGLRenderPass()
{
}
//------------------------------------------------------------------------------
void vtkOpenGLRenderPass::PreRender(const vtkRenderState *s)
{
assert("Render state valid." && s);
size_t numProps = s->GetPropArrayCount();
for (size_t i = 0; i < numProps; ++i)
{
vtkProp *prop = s->GetPropArray()[i];
vtkInformation *info = prop->GetPropertyKeys();
if (!info)
{
info = vtkInformation::New();
prop->SetPropertyKeys(info);
info->FastDelete();
}
info->Append(vtkOpenGLRenderPass::RenderPasses(), this);
}
}
//------------------------------------------------------------------------------
void vtkOpenGLRenderPass::PostRender(const vtkRenderState *s)
{
assert("Render state valid." && s);
size_t numProps = s->GetPropArrayCount();
for (size_t i = 0; i < numProps; ++i)
{
vtkProp *prop = s->GetPropArray()[i];
vtkInformation *info = prop->GetPropertyKeys();
if (info)
{
info->Remove(vtkOpenGLRenderPass::RenderPasses(), this);
if (info->Length(vtkOpenGLRenderPass::RenderPasses()) == 0)
{
info->Remove(vtkOpenGLRenderPass::RenderPasses());
}
}
}
}
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