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ComputerWorcester Rendering zoolabmachines already on graphics card glInfo:yourto zoolabcards (e.g2010) .dllfilesfreeglut2.8.1, graphicscard InstallGLUT, freeglut2.8.1,.dllfilesStudio \include\directoryStudio .\lib\directory graphicscard InstallGLUT, .cppfile:shaderfiles:(e.gchange main( ) ) .cppIn Create GLUT, GettingC&#xGL/g;&#xlut.;&#xh000;#include &#xstdl;&#xib.h;#include &#xstdi;&#xo.h0;#include shaderstuffinfinitely GLUT, InialializeGLEW CreateGLUT Registercallback GLUT Inialializations glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); OpenGLvoid main(int argc, char** argv){//glutInit(&argc, argv); // initialize toolkitglutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(640, 480);glutInitWindowPosition(100, 150);glutCreateWindow(my first attempt);glewInit( );// 480100150my first attempt Sequentialprograms)N)infiniteWorldsprogram? OpenGL:toeventsuntil Left mouse click Keyboard h key OpenGL:mouse Mouse click myMouse EventCallback function GLUTCallbackforeventsto=hittingkeys GLUTCallbackskeletonwindowpressedpressedglutMainLoop( ):infinite void main(intargc, char** argv){ vertices)vertices vertices)3verticesverticesvertices Renderedvertices Program(on CPU) DrawpointsglDrawArraysCreatebuffersforvertices 1.GeneratecornersStoreverticesarray Movearrayverticesfrombuffer 1.3// generate 3 triangle vertices + store in arrayvoid generateGeometry( void ){points[0] = point2( -0.5, -0.5 ); (-0.5, -0.5)(0.5, -0.5)(0.0, 0.5) (x,y)locations(x,y,z)vectorE.gvec3 vector1;typedefvec2 point2;Declares (x, y, z) coordinates of a vector OpenGLvoid main(int argc, char** argv){glutInit(&argc, argv); // initialize toolkitglutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(640, 480);glutInitWindowPosition(100, 150);glutCreateWindow(my first attempt);glewInit( );// glutReshapeFunc(myReshape);glewInit( );generateGeometry( );glutMainLoop( );} // generate 3 triangle vertices + store in arrayvoid generateGeometry( void ){points[0] = point2( -0.5, -0.5 );} significantlyGLuintvao;glGenVertexArrays( 1, &vao); glBindVertexArray( vao); VAO GLuintbuffer;glGenBuffers(1, Number of Buffer Objects to return Data is array of values generated earlier to VBOapplication Data to be transferred to GPU memory (generated earlier) PutTogether:4.memoryvoid initGPUBuffers( void ){// Create a vertex array objectGLuint vao;glGenVertexArrays( 1, &vao );glBindVertexArray( vao );// Create and initialize a buffer objectGLuint buffer;glGenBuffers( 1, &buffer );glBindBuffer( GL_ARRAY_BUFFER, buffer );glBufferData( GL_ARRAY_BUFFER, sizeof(points), points, GL_STATIC_DRAW );} VAO OpenGLvoid main(int argc, char** argv){glutInit(&argc, argv); // initialize toolkitglutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutInitWindowSize(640, 480);glutInitWindowPosition(100, 150);glutCreateWindow(my first attempt);glewInit( );// glutReshapeFunc(myReshape);glewInit( );generateGeometry( );initGPUBuffers( );glutMainLoop( );} void initGPUBuffers( void ){// Create a vertex array objectglBindVertexArray( vao );// Create and initialize a buffer objectGLuint buffer;glGenBuffers( 1, &buffer );glBindBuffer( GL_ARRAY_BUFFER, buffer );sizeof(points), points, GL_STATIC_DRAW );} 5.void mydisplay(void){glClear(GL_COLOR_BUFFER_BIT); // clear screenglDrawArrays(GL_LINE_LOOP, 0, 3); // draw the pointsglFlush( ); // force rendering to show} Render buffered data as points Starting Number of ReferencesGraphics,6edition,232