Install OpenGL with Visual Studio

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• Install Visual Studio

1. Download Microsoft Visual Studio Community 2015 from https://go. microsoft.com/fwlink/?LinkId=532606&clcid=0x409 and follow the installation steps. • Install Helper Libraries
2. Create a folder called OpenGLwrappers in the C: drive, so this folder is C:\OpenGLwrappers. This particular name and location is so that all our programs in ExperimenterSource run out of the box. If for some reason, e.g., not having access to the root drive, you can’t place OpenGLwrappers as asked, then place it where you can. You will have to change our project properties accordingly and we’ll say further on how to do this. The version numbers below of the libraries we ask you to download may not be the latest but they are the ones we have installed in our environment. There are sometimes niggling little things that differ with versions. To be sure, we have not yet heard of a problem in upgrading to a newer version that could not be fixed without too much trouble. Still, to avoid any issues at all while you are learning we suggest you install the exact versions below. Figure 1: Screenshot of square.cpp, in particular, the OpenGL window. 2
3. FreeGLUT:Downloadandunzipthefilehttp://files.transmissionzero. co.uk/software/development/GLUT/older/freeglut-MSVC-2.8.1-1. mp.zip and save the folder freeglut-MSVC-2.8.1-1.mp in OpenGLwrappers.
4. GLEW: Download and unzip the file https://sourceforge.net/ projects/glew/files/glew/1.10.0/glew-1.10.0-win32.zip/download and save the folder glew-1.10.0-win32 in OpenGLwrappers.
5. GLM: Download and unzip the file https://github.com/g-truc/ glm/releases/download/0.9.7.5/glm-0.9.7.5.zip and save the folder glm-0.9.7.5 in OpenGLwrappers.
6. Copy freeglut.dll from C:\OpenGLwrappers\ freeglut-MSVC-2.8.1-1.mp\freeglut\bin to C:\Windows\SysWOW64.
7. Copy glew32.dll from C:\OpenGLwrappers\glew-1.10.0-win32\ glew-1.10.0\bin\Release\Win32 to C:\Windows\SysWOW64.
8. Check if glu32.dll is already in C:\Windows\SysWOW64. Normally, it should be. If not, search resources on the web to reinstall it there. Now, if, in fact, you were able to place OpenGLwrappers in C:, then you should be all set run the book programs so go ahead and test your environment. If you weren’t, we’ll tell you what to do momentarily. • Test the Environment
9. DownloadthefilesExperimenter.pdfandExperimenterSource.zip from the book’s website http://www.sumantaguha.com. Unzip the latter file and place ExperimenterSource in the same folder as Experimenter.pdf.
10. Open Experimenter.pdf with (preferably) Adobe Reader. Go to Chapter 2 and click Windows Project just above Experiment 2.1 to bring up the Square project in MSVS.
11. On the MSVS tool bar click Build → Build Solution to compile the project, which should show 1 succeeded and 0 failed in the Output pane at the bottom.
12. On the tool bar click Debug → Start Debugging to run. This should bring up two windows: an all black C++ window and the OpenGL window with a black square drawn on a white background (Figure 1 is a screenshot of the latter window). Do you see these two windows? Great! You are all set. Of course, you can run the programs directly in ExperimenterSource without going through Experimenter.pdf. However, Experimenter.pdf has the programs in the same sequence that they appear in the book so the two work nicely together. Next, we’ll show you how to make your own OpenGL project as surely you will be wanting to soon enough. First, though, we recommend creating an OpenGL project template which can then be used for all your future projects.

• Create and Use an OpenGL Project Template

1. Open Visual Studio 2015 from the Start Menu to bring up the MSVS Start Page. Click New Project and in the popup dialog box select Visual C++ → Win32 Console Application (in the middle pane). For Name enter OpenGLProjectTemplate and for Location any convenient folder. Leave the boxes “Create directory for solution” and “Add to Source Control” unchecked. Click OK.
2. The Win32 Application Wizard comes up. Click Next. The radio button Console application should be selected; uncheck the boxes “Precompiled header” and “Security Development Lifecycle (SDL) checks” and check the box “Empty project”. Click Finish.
3. The MSVS page of OpenGLProjectTemplate comes up. On the tool bar click View → Solution Explorer to open the Solution Explorer pane. Right click Source Files → Add → New Item. Select Visual C++ → C++ File (.cpp), name the new file test.cpp and click Add to see test.cpp in a pane.
4. Open the file square.cpp in the folder ExperimenterSource\Chapter2\Square in a text editor and copy its contents into test.cpp. Ignore the multiple red lines in test.cpp for now.
5. On the tool bar of the MSVS page click Project → OpenGLPro- jectTemplate Properties to bring up the Property Pages. Select All Configurations from the dropdown menu to the right of “Configura- tion:”.
6. Expand Configuration Properties and click Configuration Properties → C/C++ → General → Additional Include Directories → ⟨Edit. . .⟩ (in the drop-down menu) to open the Additional Include Directories dialog box. Click the New Line icon successively to create a new line to add each of the following folders (order doesn’t matter; you can click the box with “. . .” at the right of the empty new line to navigate to the folder): If OpenGLwrappers isn’t in C:, then navigate to where it is. (a) C:\OpenGLwrappers\freeglut-MSVC-2.8.1-1.mp\freeglut\ include (b) C:\OpenGLwrappers\glew-1.10.0-win32\glew-1.10.0\ include (c) C:\OpenGLwrappers\glm-0.9.7.5\glm Click OK to confirm.
7. Click Configuration Properties → Linker → General → Additional Library Directories → ⟨Edit. . .⟩ (in the drop-down menu) to open the Additional Library Directories dialog box. Click the New Line icon successively to create a new line to add each of the following folders 3

(order doesn’t matter; you can click the box with “. . .” at the right of the empty new line to navigate to the folder): If OpenGLwrappers isn’t in C:, then navigate to where it is. (a) C:\OpenGLwrappers\freeglut-MSVC-2.8.1-1.mp\freeglut\ lib (b) C:\OpenGLwrappers\glew-1.10.0-win32\glew-1.10.0\ lib\Release\Win32 Click OK to confirm. 8. Click Configuration Properties → Linker → Input → Additional Dependencies → ⟨Edit...⟩ (in the drop-down menu) to open the Additional Dependencies dialog box. Manually enter the following file names one per line in the window at the top (order doesn’t matter): (a) glew32.lib (b) opengl32.lib Click OK to confirm. 9. Click OK to dismiss the Property Pages. All the red lines in the source file test.cpp should now be gone. Now, repeat steps (3) and (4) of Test the Environment. Again, you should see a black C++ 10. 11. 12. window and an OpenGL window as in Figure 1. Expand Source Files in the Solution Explorer pane, right click test.cpp and Remove → Delete as it’s no longer needed. On the MSVS toolbar click File → Save All. Next click File → Export Template. In the Export Template Wizard choose the Project template radio button and click Next. Name the template OpenGLProjectTemplate and check the box “Automatically import the template into Visual Studio” and uncheck the box “Display an explorer window on the output files folder”. Click Finish. The template OpenGLProjectTemplate has been created and you can, in fact, now delete the project OpenGLProjectTemplate from the folder you created it in. To use the template, open Visual Studio 2015 from the Start Menu to bring up the MSVS Start Page. Click New Project and select Visual C++. Scroll down the middle pane to find and select OpenGLProjectTemplate. Name the project and an appropriate folder for its location and click OK. The new project comes up. To check if the template is ok, repeat steps (3), (4) and (9) above with this project. It should now be clear how to run the book programs even if you weren’t able to place OpenGLwrappers in C:; particularly, bring up the project, open the Property Pages and edit the paths to the Additional Include Directories (refer step (6) above) and the Additional Libary Directories (refer step (7)) according 4 to where they are in your system.

OpenGL support: Check what level of OpenGL your graphics card supports by running an OpenGL extensions viewer (you can download one from http://www.realtech-vr.com/glview/download.php). If it doesn’t support OpenGL 4.3 then a book program may compile but not run as the system is unable to provide the OpenGL 4.3 rendering context asked by the command glutInitContextVersion(4, 3) in the main routine. What you might do in this case is replace glutInitContextVersion(4, 3) in main with glutInitContextVersion(3, 3), or even glutInitContextVersion(2, 1), instead. Of course, then, programs using later-generation calls will not run, but you should be fine early on in the book.