From d8cc250280b37b169a0a781e409420f62552df3b Mon Sep 17 00:00:00 2001
From: Lucas Gandel <lucas.gandel@kitware.com>
Date: Thu, 18 Nov 2021 17:02:46 +0100
Subject: [PATCH] Add RenderFramebuffer FlipY test
---
Rendering/OpenGL2/Testing/Cxx/CMakeLists.txt | 1 +
.../Testing/Cxx/TestFlipRenderFramebuffer.cxx | 79 +++++++++++++++++++
.../TestFlipRenderFramebuffer.png.sha512 | 1 +
3 files changed, 81 insertions(+)
create mode 100644 Rendering/OpenGL2/Testing/Cxx/TestFlipRenderFramebuffer.cxx
create mode 100644 Rendering/OpenGL2/Testing/Data/Baseline/TestFlipRenderFramebuffer.png.sha512
diff --git a/Rendering/OpenGL2/Testing/Cxx/CMakeLists.txt b/Rendering/OpenGL2/Testing/Cxx/CMakeLists.txt
index 2ce57943f8e..57df1793f31 100644
--- a/Rendering/OpenGL2/Testing/Cxx/CMakeLists.txt
+++ b/Rendering/OpenGL2/Testing/Cxx/CMakeLists.txt
@@ -36,6 +36,7 @@ vtk_add_test_cxx(vtkRenderingOpenGL2CxxTests tests
TestFXAAFilter.cxx
TestFXAAPass.cxx
TestFXAAWithEDLPass.cxx
+ TestFlipRenderFramebuffer.cxx
TestFloor.cxx
TestFluidMapper.cxx
TestFramebufferHDR.cxx
diff --git a/Rendering/OpenGL2/Testing/Cxx/TestFlipRenderFramebuffer.cxx b/Rendering/OpenGL2/Testing/Cxx/TestFlipRenderFramebuffer.cxx
new file mode 100644
index 00000000000..ed07b9e8bd2
--- /dev/null
+++ b/Rendering/OpenGL2/Testing/Cxx/TestFlipRenderFramebuffer.cxx
@@ -0,0 +1,79 @@
+/*=========================================================================
+
+ Program: Visualization Toolkit
+
+ 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 "vtkActor.h"
+#include "vtkAxesActor.h"
+#include "vtkConeSource.h"
+#include "vtkNew.h"
+#include "vtkOpenGLPolyDataMapper.h"
+#include "vtkOpenGLRenderWindow.h"
+#include "vtkRegressionTestImage.h"
+#include "vtkRenderWindowInteractor.h"
+#include "vtkRenderer.h"
+#include "vtkTestUtilities.h"
+#include "vtkTextActor.h"
+#include "vtkTextProperty.h"
+
+//------------------------------------------------------------------------------
+int TestFlipRenderFramebuffer(int argc, char* argv[])
+{
+ vtkNew<vtkRenderWindow> renderWindow;
+ renderWindow->SetSize(600, 600);
+ vtkOpenGLRenderWindow::SafeDownCast(renderWindow)->FramebufferFlipYOn();
+
+ vtkNew<vtkRenderWindowInteractor> iren;
+ iren->SetRenderWindow(renderWindow.Get());
+
+ renderWindow->SetNumberOfLayers(2);
+
+ vtkNew<vtkRenderer> renderer;
+ renderWindow->AddRenderer(renderer);
+
+ vtkNew<vtkRenderer> overlay;
+ renderWindow->AddRenderer(overlay);
+ overlay->SetLayer(1);
+ overlay->SetViewport(0, 0, 0.4, 0.4);
+
+ // cone
+ vtkNew<vtkConeSource> source;
+ source->SetDirection(0, 1, 0);
+
+ vtkNew<vtkOpenGLPolyDataMapper> mapper;
+ mapper->SetInputConnection(source->GetOutputPort());
+
+ vtkNew<vtkActor> actor;
+ actor->SetMapper(mapper);
+ renderer->AddActor(actor);
+
+ // text actor
+ vtkNew<vtkTextActor> textActor;
+ textActor->SetInput("FlipY Tests");
+ textActor->GetTextProperty()->SetFontSize(30);
+ renderer->AddActor(textActor);
+
+ // axes actor overlay
+ vtkNew<vtkAxesActor> axes;
+ overlay->AddActor(axes);
+
+ renderer->ResetCamera();
+ renderWindow->Render();
+
+ int retVal = vtkRegressionTestImage(renderWindow.Get());
+ if (retVal == vtkRegressionTester::DO_INTERACTOR)
+ {
+ iren->Start();
+ }
+
+ return !retVal;
+}
diff --git a/Rendering/OpenGL2/Testing/Data/Baseline/TestFlipRenderFramebuffer.png.sha512 b/Rendering/OpenGL2/Testing/Data/Baseline/TestFlipRenderFramebuffer.png.sha512
new file mode 100644
index 00000000000..dee12ee15ed
--- /dev/null
+++ b/Rendering/OpenGL2/Testing/Data/Baseline/TestFlipRenderFramebuffer.png.sha512
@@ -0,0 +1 @@
+168ed08e12d1606b2dc5098e75a122c488edb6616799e7aa254cddc874845598c8036287b86122bf6c1ff877aa639057a458dff87b442582fdc6d978de70e553
--
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