mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
152 lines
4.3 KiB
C++
152 lines
4.3 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt 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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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/rendering/CanvasRayTracer.h>
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#include <vtkm/cont/TryExecute.h>
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#include <vtkm/exec/ExecutionWholeArray.h>
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#include <vtkm/rendering/Canvas.h>
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#include <vtkm/rendering/Color.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/WorkletMapField.h>
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namespace vtkm {
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namespace rendering {
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namespace internal {
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class ClearBuffers : public vtkm::worklet::WorkletMapField
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{
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vtkm::rendering::Color ClearColor;
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public:
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VTKM_CONT
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ClearBuffers(const vtkm::rendering::Color &clearColor)
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: ClearColor(clearColor)
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{}
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typedef void ControlSignature(FieldOut<>, FieldOut<>);
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typedef void ExecutionSignature(_1, _2);
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VTKM_EXEC
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void operator()(vtkm::Vec<vtkm::Float32,4> &color,
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vtkm::Float32 &depth) const
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{
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color = this->ClearColor.Components;
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depth = 1.001f;
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}
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}; //class ClearBuffers
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struct ClearBuffersInvokeFunctor
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{
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typedef vtkm::rendering::Canvas::ColorBufferType ColorBufferType;
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typedef vtkm::rendering::Canvas::DepthBufferType DepthBufferType;
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ClearBuffers Worklet;
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ColorBufferType ColorBuffer;
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DepthBufferType DepthBuffer;
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VTKM_CONT
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ClearBuffersInvokeFunctor(const vtkm::rendering::Color &backgroundColor,
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const ColorBufferType &colorBuffer,
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const DepthBufferType &depthBuffer)
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: Worklet(backgroundColor),
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ColorBuffer(colorBuffer),
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DepthBuffer(depthBuffer)
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{ }
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template<typename Device>
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VTKM_CONT
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bool operator()(Device) const
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{
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VTKM_IS_DEVICE_ADAPTER_TAG(Device);
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vtkm::worklet::DispatcherMapField<ClearBuffers, Device>
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dispatcher(this->Worklet);
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dispatcher.Invoke( this->ColorBuffer, this->DepthBuffer);
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return true;
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}
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};
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} // namespace internal
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CanvasRayTracer::CanvasRayTracer(vtkm::Id width, vtkm::Id height)
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: Canvas(width, height)
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{ }
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CanvasRayTracer::~CanvasRayTracer()
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{ }
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void CanvasRayTracer::Initialize()
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{
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// Nothing to initialize
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}
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void CanvasRayTracer::Activate()
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{
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// Nothing to activate
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}
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void CanvasRayTracer::Finish()
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{
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// Nothing to finish
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}
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void CanvasRayTracer::Clear()
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{
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// TODO: Should the rendering library support policies or some other way to
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// configure with custom devices?
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vtkm::cont::TryExecute(
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internal::ClearBuffersInvokeFunctor(this->GetBackgroundColor(),
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this->GetColorBuffer(),
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this->GetDepthBuffer()));
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}
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vtkm::rendering::Canvas *CanvasRayTracer::NewCopy() const
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{
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return new vtkm::rendering::CanvasRayTracer(*this);
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}
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void CanvasRayTracer::AddLine(const vtkm::Vec<vtkm::Float64,2> &,
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const vtkm::Vec<vtkm::Float64,2> &,
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vtkm::Float32,
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const vtkm::rendering::Color &) const
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{
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// Not implemented
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}
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void CanvasRayTracer::AddColorBar(const vtkm::Bounds &,
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const vtkm::rendering::ColorTable &,
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bool ) const
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{
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// Not implemented
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}
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void CanvasRayTracer::AddText(const vtkm::Vec<vtkm::Float32,2> &,
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vtkm::Float32,
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vtkm::Float32,
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vtkm::Float32,
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const vtkm::Vec<vtkm::Float32,2> &,
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const vtkm::rendering::Color &,
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const std::string &) const
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{
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// Not implemented
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}
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}
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}
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