OpenGL Graphics Rendering API Overview
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OpenGL Graphics Rendering API Overview

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Questions and Answers

What is the prefix used for GLUT commands?

  • GL
  • glut (correct)
  • gl
  • GL_
  • How is the clearing color specified in OpenGL?

  • Using glClear function
  • With glClearColor function and RGBA components (correct)
  • Automatically by OpenGL
  • In RGB values between 0 and 255
  • What happens if you set the foreground color using glColor function in OpenGL?

  • The color cannot be changed again
  • It affects the background color
  • It changes for the current vertex only
  • It changes for all subsequent vertices until explicitly changed (correct)
  • Which command is used to clear the color buffer in OpenGL?

    <p>glClear</p> Signup and view all the answers

    What does the 'A' component signify in RGBA color specification?

    <p>Alpha value for transparency</p> Signup and view all the answers

    Which functions can be used to set the background and foreground colors in OpenGL?

    <p>glClearColor and glColor3f</p> Signup and view all the answers

    Which OpenGL library is responsible for providing important utilities like setting camera view and projection?

    <p>OpenGL Utility Library (GLU)</p> Signup and view all the answers

    What type of commands in OpenGL start with a prefix 'glu'?

    <p>Commands for important utilities</p> Signup and view all the answers

    Which header file in OpenGL automatically includes gl.h, glu.h, and glx.h?

    <p>glut.h</p> Signup and view all the answers

    What is the purpose of OpenGL Utilities Toolkit (GLUT) in OpenGL programming?

    <p>Interacting with the Operating System</p> Signup and view all the answers

    Which type of OpenGL library consists of commands prefixed with 'gl'?

    <p>OpenGL Utility Library (GLU)</p> Signup and view all the answers

    What type of primitives can be used to model objects in Core OpenGL (GL)?

    <p>Points, lines, and polygons</p> Signup and view all the answers

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