From 2d68aafc9f50d746ba1351c8c767a34e65abfc0f Mon Sep 17 00:00:00 2001
From: Jaswant Panchumarti <jaswant.panchumarti@kitware.com>
Date: Tue, 3 Dec 2024 17:54:00 -0500
Subject: [PATCH] Add unit test for vtkAxesActor in webgpu
- This unit test exercises rendering actors that
embed other actors.
---
Rendering/WebGPU/Testing/Cxx/CMakeLists.txt | 1 +
.../WebGPU/Testing/Cxx/TestAxesActor.cxx | 65 +++++++++++++++++++
.../Data/Baseline/TestAxesActor.png.sha512 | 1 +
3 files changed, 67 insertions(+)
create mode 100644 Rendering/WebGPU/Testing/Cxx/TestAxesActor.cxx
create mode 100644 Rendering/WebGPU/Testing/Data/Baseline/TestAxesActor.png.sha512
diff --git a/Rendering/WebGPU/Testing/Cxx/CMakeLists.txt b/Rendering/WebGPU/Testing/Cxx/CMakeLists.txt
index ad809bfeaf2..378ba559e96 100644
--- a/Rendering/WebGPU/Testing/Cxx/CMakeLists.txt
+++ b/Rendering/WebGPU/Testing/Cxx/CMakeLists.txt
@@ -14,6 +14,7 @@ endif ()
# (vtk/vtk#19322): Add baselines for these unit tests
vtk_add_test_cxx(vtkRenderingWebGPUCxxTests tests
TestActorFaceCullingProperty.cxx,NO_DATA
+ TestAxesActor.cxx,NO_DATA
TestCellScalarMappedColors.cxx,NO_DATA
TestCompositePolyDataMapper.cxx,NO_DATA
TestComputeDoublePipelineRenderBuffer.cxx,NO_DATA
diff --git a/Rendering/WebGPU/Testing/Cxx/TestAxesActor.cxx b/Rendering/WebGPU/Testing/Cxx/TestAxesActor.cxx
new file mode 100644
index 00000000000..8467ec41c30
--- /dev/null
+++ b/Rendering/WebGPU/Testing/Cxx/TestAxesActor.cxx
@@ -0,0 +1,65 @@
+// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include "vtkActor.h"
+#include "vtkAxesActor.h"
+#include "vtkCamera.h"
+#include "vtkConeSource.h"
+#include "vtkNew.h"
+#include "vtkOrientationMarkerWidget.h"
+#include "vtkPolyDataMapper.h"
+#include "vtkProperty.h"
+#include "vtkRegressionTestImage.h"
+#include "vtkRenderWindow.h"
+#include "vtkRenderWindowInteractor.h"
+#include "vtkRenderer.h"
+
+//------------------------------------------------------------------------------
+int TestAxesActor(int argc, char* argv[])
+{
+ vtkNew<vtkRenderer> renderer;
+ renderer->SetBackground(0.1, 0.1, 0.1);
+
+ vtkNew<vtkRenderWindow> renderWindow;
+ renderWindow->SetSize(800, 800);
+ renderWindow->AddRenderer(renderer);
+
+ vtkNew<vtkRenderWindowInteractor> iren;
+ iren->SetRenderWindow(renderWindow);
+
+ vtkNew<vtkConeSource> cone;
+ // map elevation output to graphics primitives.
+ vtkNew<vtkPolyDataMapper> mapper;
+ // mapper->SetLookupTable(lut);
+ mapper->SetInputConnection(cone->GetOutputPort());
+ vtkNew<vtkActor> actor;
+ actor->SetMapper(mapper);
+ renderer->AddActor(actor);
+
+ vtkNew<vtkAxesActor> axes;
+ axes->SetShaftTypeToCylinder();
+ axes->SetNormalizedTipLength(0.4, 0.4, 0.4);
+ // FIXME: the vtkCaptionActor2D does not render text with webgpu. An override for
+ // vtkPolyDataMapper2D must be implemented in webgpu.
+ // https://gitlab.kitware.com/vtk/vtk/-/issues/19551
+ axes->SetAxisLabels(false);
+ vtkNew<vtkOrientationMarkerWidget> om;
+ om->SetOrientationMarker(axes);
+ om->SetInteractor(iren);
+ om->EnabledOn();
+ om->InteractiveOn();
+
+ renderer->ResetCamera();
+ renderer->GetActiveCamera()->Azimuth(45);
+ renderer->GetActiveCamera()->Elevation(45);
+ renderer->GetActiveCamera()->OrthogonalizeViewUp();
+ renderWindow->Render();
+
+ int retVal = vtkRegressionTestImageThreshold(renderWindow, 0.05);
+ if (retVal == vtkRegressionTester::DO_INTERACTOR)
+ {
+ iren->Start();
+ }
+
+ return !retVal;
+}
diff --git a/Rendering/WebGPU/Testing/Data/Baseline/TestAxesActor.png.sha512 b/Rendering/WebGPU/Testing/Data/Baseline/TestAxesActor.png.sha512
new file mode 100644
index 00000000000..27b819d0c37
--- /dev/null
+++ b/Rendering/WebGPU/Testing/Data/Baseline/TestAxesActor.png.sha512
@@ -0,0 +1 @@
+886465c51a5139ff595b17bbde3a13fd90fe355aaeeae771ac075a97e6ffc424787870464929ead886dc9beac5a9361a5f49644112c5b10bafd076a0e82a4432
--
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