1 /*=========================================================================
2
3 Program: Visualization Toolkit
4
5 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
6 All rights reserved.
7 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
8
9 This software is distributed WITHOUT ANY WARRANTY; without even
10 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 PURPOSE. See the above copyright notice for more information.
12
13 =========================================================================*/
14
15 #include "vtkActor.h"
16 #include "vtkCamera.h"
17 #include "vtkCellArray.h"
18 #include "vtkLightKit.h"
19 #include "vtkNew.h"
20 #include "vtkOpenGLRenderWindow.h"
21 #include "vtkPLYReader.h"
22 #include "vtkPointData.h"
23 #include "vtkPolyDataMapper.h"
24 #include "vtkPolyDataNormals.h"
25 #include "vtkProperty.h"
26 #include "vtkRenderer.h"
27 #include "vtkTimerLog.h"
28
29 #include "vtkRegressionTestImage.h"
30 #include "vtkTestUtilities.h"
31
32 #include "vtkRenderWindowInteractor.h"
33
34 #include "vtkOpenGLRenderWindow.h"
35
36 //------------------------------------------------------------------------------
TestVBOPLYMapper(int argc,char * argv[])37 int TestVBOPLYMapper(int argc, char* argv[])
38 {
39 bool timeit = false;
40 if (argc > 1 && argv[1] && !strcmp(argv[1], "-timeit"))
41 {
42 timeit = true;
43 }
44
45 vtkNew<vtkActor> actor;
46 vtkNew<vtkRenderer> renderer;
47 vtkNew<vtkPolyDataMapper> mapper;
48 renderer->SetBackground(0.0, 0.0, 0.0);
49 vtkNew<vtkRenderWindow> renderWindow;
50 renderWindow->SetSize(timeit ? 800 : 300, timeit ? 800 : 300);
51 renderWindow->AddRenderer(renderer);
52 renderer->AddActor(actor);
53 vtkNew<vtkRenderWindowInteractor> iren;
54 iren->SetRenderWindow(renderWindow);
55 vtkNew<vtkLightKit> lightKit;
56 lightKit->AddLightsToRenderer(renderer);
57
58 if (!renderWindow->SupportsOpenGL())
59 {
60 cerr << "The platform does not support OpenGL as required\n";
61 cerr << vtkOpenGLRenderWindow::SafeDownCast(renderWindow)->GetOpenGLSupportMessage();
62 cerr << renderWindow->ReportCapabilities();
63 return 1;
64 }
65
66 const char* fileName = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/dragon.ply");
67 vtkNew<vtkPLYReader> reader;
68 reader->SetFileName(fileName);
69 reader->Update();
70
71 delete[] fileName;
72
73 // vtkNew<vtkPolyDataNormals> norms;
74 // norms->SetInputConnection(reader->GetOutputPort());
75 // norms->Update();
76
77 mapper->SetInputConnection(reader->GetOutputPort());
78 // mapper->SetInputConnection(norms->GetOutputPort());
79 actor->SetMapper(mapper);
80 actor->GetProperty()->SetAmbientColor(0.2, 0.2, 1.0);
81 actor->GetProperty()->SetDiffuseColor(1.0, 0.65, 0.7);
82 actor->GetProperty()->SetSpecularColor(1.0, 1.0, 1.0);
83 actor->GetProperty()->SetSpecular(0.5);
84 actor->GetProperty()->SetDiffuse(0.7);
85 actor->GetProperty()->SetAmbient(0.5);
86 actor->GetProperty()->SetSpecularPower(20.0);
87 actor->GetProperty()->SetOpacity(1.0);
88 // actor->GetProperty()->SetRepresentationToWireframe();
89
90 renderWindow->SetMultiSamples(0);
91
92 vtkNew<vtkTimerLog> timer;
93 timer->StartTimer();
94 renderWindow->Render();
95 timer->StopTimer();
96 double firstRender = timer->GetElapsedTime();
97 cerr << "first render time: " << firstRender << endl;
98 int major, minor;
99 vtkOpenGLRenderWindow::SafeDownCast(renderWindow)->GetOpenGLVersion(major, minor);
100 cerr << "opengl version " << major << "." << minor << "\n";
101
102 timer->StartTimer();
103 int numRenders = timeit ? 600 : 8;
104 for (int i = 0; i < numRenders; ++i)
105 {
106 renderer->GetActiveCamera()->Azimuth(80.0 / numRenders);
107 renderer->GetActiveCamera()->Elevation(80.0 / numRenders);
108 renderWindow->Render();
109 }
110 timer->StopTimer();
111 double elapsed = timer->GetElapsedTime();
112 cerr << "interactive render time: " << elapsed / numRenders << endl;
113 unsigned int numTris = reader->GetOutput()->GetPolys()->GetNumberOfCells();
114 cerr << "number of triangles: " << numTris << endl;
115 cerr << "triangles per second: " << numTris * (numRenders / elapsed) << endl;
116
117 renderer->GetActiveCamera()->SetPosition(0, 0, 1);
118 renderer->GetActiveCamera()->SetFocalPoint(0, 0, 0);
119 renderer->GetActiveCamera()->SetViewUp(0, 1, 0);
120 renderer->ResetCamera();
121 renderWindow->Render();
122 renderWindow->Render();
123
124 int retVal = vtkRegressionTestImage(renderWindow);
125 if (retVal == vtkRegressionTester::DO_INTERACTOR)
126 {
127 iren->Start();
128 }
129
130 return !retVal;
131 }
132